A gearless traction-driven freight elevator

Abstract

The utility model relates to the technical field of elevators, and provides a gearless traction-driven freight elevator, including a power assembly, wherein the power assembly includes a connecting plate, a bracket, a top plate, and a traction structure, wherein the corner positions of the top of the connecting plate are fixed with brackets, the top of the brackets are fixed with top plates, and the traction structure is fixed on one side of the top of the connecting plate. The utility model is provided with a guide structure, and when the elevator body is lifted, the guide block moves up and down on the outside of the guide rod, which plays a role of limiting the elevator body, and avoids the elevator body from being offset when moving up and down. Guide blocks and guide rods are provided on both sides of the elevator body, which can increase the stability and balance of the elevator body during lifting, realize the function of the device having stable guidance, and improve the safety of the gearless traction-driven freight elevator when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a gearless traction-driven freight elevator. Background Art

[0002] Compared with the traditional gear drive system, the gearless traction drive system generates less noise and runs more smoothly during operation, which has a positive impact on improving the comfort of elevator riding. Therefore, it is necessary to design a gearless traction drive freight elevator.

[0003] To this end, the patent with publication number CN111573483A discloses a dual-traction-wheel-driven freight elevator, including a car device, a counterweight device, and a traction system with a traction machine, wherein the traction machine includes a traction motor and two traction wheels controlled by the traction motor in a synchronous manner, and the traction system also includes two sets of traction ropes, two sets of car return rope wheels are fixed on the upper part of the car device, and two sets of counterweight return rope wheels are arranged on the upper part of the counterweight device. After each set of traction ropes passes around the corresponding traction wheels, the two ends of each set of traction ropes pass around the corresponding car return rope wheels and the corresponding counterweight return rope wheels, and are respectively fixedly connected to the rope head frame at the top of the shaft. The present invention provides a dual-traction-wheel-driven freight elevator, two traction wheels, and two sets of symmetrical traction systems. The traction force is increased, and it is suitable for large-tonnage elevators; it is convenient to realize that the upper and lower center lines of the car device and the counterweight device correspond to each other, and the space arrangement is more reasonable;

[0004] The above-mentioned dual traction sheave driven freight elevator has a more reasonable space arrangement when in use, but has only multiple sets of guide rails on one side of the car, resulting in poor stability. Therefore, it is necessary to design a gearless traction driven freight elevator with guide structures on both sides of the car. Utility Model Content

[0005] The utility model aims to provide a gearless traction-driven freight elevator, so as to solve the defect that the existing double-traction-wheel-driven freight elevator has multiple guide rails only on one side of the car and has poor stability.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a gearless traction-driven freight elevator, comprising a power assembly;

[0007] The power assembly includes a connecting plate, a bracket, a top plate and a traction structure. The corner positions of the top of the connecting plate are all fixed with brackets, the top of the brackets are all fixed with top plates, and the traction structure is fixed on one side of the top of the connecting plate;

[0008] A counterweight assembly is fixed to one side of the bottom end of the connecting plate;

[0009] An elevator body is arranged below the connecting plate, and guide structures are arranged on both sides of the elevator body. The guide structures include a protective cover, a guide block and a guide rod. The protective cover is arranged on both sides of the elevator body, and guide rods are evenly arranged on one side of the protective cover close to the elevator body, and guide blocks are evenly arranged on the outside of the guide rods.

[0010] Preferably, the traction structure includes a traction rope, a fixed pulley, a fixed plate, a rotating shaft, a driving shaft and a driving motor. The fixed plate is evenly fixed to one side of the top end of the connecting plate, a driving shaft is arranged between adjacent fixed plates, rotating shafts are fixed to the outer walls at both ends of the driving shaft, a traction rope is arranged on the outer side of the rotating shaft, the fixed pulley is evenly fixed to one side of the bottom end of the top plate, and a driving motor is installed on the outer wall of the fixed plate at one end of the driving shaft.

[0011] Preferably, the traction rope is fixedly connected to the top end of the elevator body through a fixed pulley, and one end of the drive shaft extends to the outside of the fixed plate and is fixedly connected to the output end of the drive motor.

[0012] Preferably, the counterweight assembly includes a limit plate, a counterweight block, a slot and a block, the limit plate is evenly fixed on one side of the bottom end of the connecting plate, the limit plate is provided with a slot on one side close to the elevator body, the slot is evenly provided with blocks, and the counterweight block is provided on one side of the limit plate close to the elevator body.

[0013] Preferably, the limiting plates are symmetrically distributed on both sides of the connecting plate, and the clamping block and the limiting plates form a sliding structure through a clamping groove.

[0014] Preferably, one side of the clamping block is fixedly connected to one side of the counterweight block, and the clamping blocks are symmetrically distributed at both ends of the counterweight block.

[0015] Preferably, the guide block is slidably connected to the guide rod, and one side of the guide block is fixedly connected to the outer side wall of the elevator body.

[0016] The utility model provides a gearless traction-driven freight elevator, which has the following advantages:

[0017] By providing a guide structure, when the elevator body is lifted or lowered, the guide block moves up and down on the outside of the guide rod, which plays a role of limiting the elevator body, avoiding the elevator body from deflecting when it moves up and down. Guide blocks and guide rods are provided on both sides of the elevator body, which can increase the stability and balance of the elevator body during lifting and lowering, realize the function of the device having stable guidance, and improve the safety of the gearless traction drive freight elevator when in use;

[0018] By providing a traction structure and starting the drive motor, the rotation of the drive motor will drive the drive shaft to rotate, the rotation of the drive shaft will drive the rotating shaft to rotate, the rotating shaft will drive the traction rope to rotate, and the traction rope will drive the elevator body to rise and fall through the fixed pulley to change the height of the elevator body, thereby realizing the function of the device as a traction-driven freight elevator, and improving the applicability of the gearless traction-driven freight elevator when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 4 It is a side view structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. Power assembly; 101. Connecting plate; 102. Bracket; 103. Top plate; 104. Traction structure; 1041. Traction rope; 1042. Fixed pulley; 1043. Fixed plate; 1044. Rotating shaft; 1045. Driving shaft; 1046. Driving motor; 2. Counterweight assembly; 201. Limiting plate; 202. Counterweight block; 203. Slot; 204. Block; 3. Elevator body; 4. Guide structure; 401. Protective cover; 402. Guide block; 403. Guide rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 The utility model provides a gearless traction-driven freight elevator, comprising a power assembly 1.

[0027] Reference Figure 1-Figure 4The power assembly 1 includes a connecting plate 101, a bracket 102, a top plate 103 and a traction structure 104. The brackets 102 are fixed at the corner positions of the top of the connecting plate 101, the top plates 103 are fixed at the top of the brackets 102, and the traction structure 104 is fixed to one side of the top of the connecting plate 101. The traction structure 104 includes a traction rope 1041, a fixed pulley 1042, a fixed plate 1043, a rotating shaft 1044, a driving shaft 1045 and a driving motor 1046. The fixed plate 1043 is evenly fixed to one side of the top of the connecting plate 101, a driving shaft 1045 is arranged between adjacent fixed plates 1043, a rotating shaft 1044 is fixed to the outer wall of both ends of the driving shaft 1045, a traction rope 1041 is arranged on the outer side of the rotating shaft 1044, and a fixed pulley 1042 is evenly fixed to one side of the bottom of the top plate 103, a driving motor 1046 is installed on the outer wall of the fixed plate 1043 at one end of the driving shaft 1045, and a traction rope 1041 is arranged on the outer side of the rotating shaft 1044. 041 is fixedly connected to the top of the elevator body 3 through a fixed pulley 1042, one end of the drive shaft 1045 extends to the outside of the fixed plate 1043 and is fixedly connected to the output end of the drive motor 1046, and a counterweight assembly 2 is fixed to one side of the bottom end of the connecting plate 101. The counterweight assembly 2 includes a limit plate 201, a counterweight block 202, a slot 203 and a block 204. The limit plate 201 is evenly fixed to one side of the bottom end of the connecting plate 101, and the inside of the limit plate 201 is close to the electric A slot 203 is provided on one side of the elevator body 3, and blocks 204 are evenly arranged inside the slot 203. The counterweight block 202 is arranged on the side of the limit plate 201 close to the elevator body 3. The limit plate 201 is symmetrically distributed on both sides of the connecting plate 101. The block 204 and the limit plate 201 form a sliding structure through the slot 203. One side of the block 204 is fixedly connected to one side of the counterweight block 202. The blocks 204 are symmetrically distributed at both ends of the counterweight block 202.

[0028] An external power supply is used to start the drive motor 1046. The rotation of the drive motor 1046 will drive the drive shaft 1045 to rotate. The rotation of the drive shaft 1045 will drive the rotating shaft 1044 to rotate. The rotating shaft 1044 will drive the traction rope 1041 to rotate. The traction rope 1041 will drive the elevator body 3 to rise and fall through the fixed pulley 1042, thereby changing the height of the elevator body 3.

[0029] Reference Figure 1-Figure 5 An elevator body 3 is arranged below the connecting plate 101, and guide structures 4 are arranged on both sides of the elevator body 3. The guide structures 4 include a protective cover 401, a guide block 402 and a guide rod 403. The protective cover 401 is arranged on both sides of the elevator body 3, and the guide rods 403 are evenly arranged on one side of the protective cover 401 close to the elevator body 3. Guide blocks 402 are evenly arranged on the outside of the guide rods 403. The guide blocks 402 and the guide rods 403 are slidably connected, and one side of the guide block 402 is fixedly connected to the outer wall of the elevator body 3.

[0030] When the elevator body 3 is lifted or lowered, the guide block 402 moves up and down on the outside of the guide rod 403, which limits the elevator body 3 and prevents the elevator body 3 from deviating when moving up and down. Guide blocks 402 and guide rods 403 are provided on both sides of the elevator body 3, which can increase the stability and balance of the elevator body 3 during lifting or lowering.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gearless traction-driven freight elevator, comprising a power assembly (1); Features: The power assembly (1) comprises a connecting plate (101), a bracket (102), a top plate (103) and a traction structure (104); the bracket (102) is fixed at the corner position of the top of the connecting plate (101); the top of the bracket (102) is fixed with the top plate (103); and the traction structure (104) is fixed on one side of the top of the connecting plate (101); A counterweight assembly (2) is fixed to one side of the bottom end of the connecting plate (101); An elevator body (3) is arranged below the connecting plate (101), and guide structures (4) are arranged on both sides of the elevator body (3), and the guide structures (4) include a protective cover (401), a guide block (402) and a guide rod (403). The protective cover (401) is arranged on both sides of the elevator body (3), and the guide rods (403) are evenly arranged on one side of the protective cover (401) close to the elevator body (3), and the guide blocks (402) are evenly arranged on the outer side of the guide rod (403).

2. A gearless traction-driven freight elevator according to claim 1, characterized in that: The traction structure (104) comprises a traction rope (1041), a fixed pulley (1042), a fixed plate (1043), a rotating shaft (1044), a driving shaft (1045) and a driving motor (1046); the fixed plate (1043) is evenly fixed to one side of the top end of the connecting plate (101); a driving shaft (1045) is arranged between adjacent fixed plates (1043); rotating shafts (1044) are fixed to the outer side walls of both ends of the driving shaft (1045); a traction rope (1041) is arranged on the outer side of the rotating shaft (1044); the fixed pulley (1042) is evenly fixed to one side of the bottom end of the top plate (103); and a driving motor (1046) is installed on the outer side wall of the fixed plate (1043) at one end of the driving shaft (1045).

3. A gearless traction-driven freight elevator according to claim 2, characterized in that: The traction rope (1041) is fixedly connected to the top of the elevator body (3) via a fixed pulley (1042), and one end of the drive shaft (1045) extends to the outside of the fixed plate (1043) and is fixedly connected to the output end of the drive motor (1046).

4. A gearless traction-driven freight elevator according to claim 1, characterized in that: The counterweight assembly (2) comprises a limit plate (201), a counterweight block (202), a slot (203) and a slot block (204); the limit plate (201) is evenly fixed to one side of the bottom end of the connecting plate (101); a slot (203) is provided inside the limit plate (201) on a side close to the elevator body (3); the slot (203) is evenly provided inside the slot (203); and the counterweight block (202) is provided on a side of the limit plate (201) close to the elevator body (3).

5. A gearless traction-driven freight elevator according to claim 4, characterized in that: The limiting plates (201) are symmetrically distributed on both sides of the connecting plate (101), and the clamping blocks (204) and the limiting plates (201) form a sliding structure via the clamping grooves (203).

6. A gearless traction-driven freight elevator according to claim 4, characterized in that: One side of the clamping block (204) is fixedly connected to one side of the counterweight block (202), and the clamping blocks (204) are symmetrically distributed at both ends of the counterweight block (202).

7. The gearless traction-driven freight elevator according to claim 1, characterized in that: The guide block (402) and the guide rod (403) are slidably connected, and one side of the guide block (402) is fixedly connected to the outer side wall of the elevator body (3).

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