Reciprocating type lifting device
By designing a reciprocating lifting device with a lifting rope, lifting plate, clamping mounting sleeve and lever force-applying components, the problem of rapid descent of the car when the chain breaks is solved, and a safe brake is achieved to protect the safety of people and goods.
Patent Information
- Application Number
- CN202422995837.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-05
AI Technical Summary
When the chain of an existing reciprocating elevator breaks, the car will drop rapidly, threatening the safety of people and goods inside.
A reciprocating lifting device is designed, which adopts a lifting rope, a lifting plate, a clamping mounting sleeve, an ejection spring and a lever force component. When the lifting rope breaks, the lifting plate is ejected, and the ejection spring and the lever force component are used to increase the friction force to stop the car.
When the suspension rope breaks, the car is stopped by increasing friction to ensure the safety of people and goods inside and avoid rapid descent.
Smart Images
Figure CN223397263U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevators, in particular to a reciprocating elevator. Background Art
[0002] A reciprocating elevator, also called a hoist or elevator, is a type of lifting equipment that moves materials back and forth. It primarily consists of a motor, chain, elevator car, and guide rails. The elevator car reciprocates vertically along the guide rails, lifting and lowering materials. This simple, stable, and reliable structure ensures reliable operation.
[0003] Existing reciprocating elevators typically use chains to pull the car up and down. When the chain breaks, the top of the car loses traction and, under the influence of gravity, rapidly descends along the guide rails, posing a serious threat to the safety of people and cargo inside the car. Therefore, we propose a reciprocating elevator device to address the aforementioned issues. Utility Model Content
[0004] The purpose of the present utility model is to provide a reciprocating lifting device to solve the problem proposed in the above background technology that the existing reciprocating hoist usually uses a chain to pull the car up and down. When the chain breaks, the top of the car loses traction and will drop rapidly along the guide rail under the action of gravity. In this process, it will pose a serious threat to the safety of people and goods inside the car.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A reciprocating lifting device comprises a mounting frame, a motor winding component is provided on the top of the mounting frame, a car is provided inside the mounting frame, a suspension rope is provided on the motor winding component, a lifting plate is provided on the top of the car, a plurality of clamping mounting sleeves are symmetrically provided on both sides of the two ends of the top of the car, a plurality of ejection springs are symmetrically provided on both sides of the two ends of the top of the lifting plate, a plurality of lever force components are symmetrically provided on both sides of the two ends of the bottom of the lifting plate, and a clamping block component is provided on one end of the plurality of lever force components close to the clamping mounting sleeve;
[0007] The clamping block component includes an arc-shaped mounting block, a lever connecting block is provided on the outside of the arc-shaped mounting block, an arc-shaped friction block is provided inside the arc-shaped mounting block, a tightening waist-shaped groove is provided on the inside of the lever connecting block, the bottom thickness of the arc-shaped friction block is greater than the top thickness, and the side projection of the arc-shaped friction block is a right-angled trapezoid.
[0008] Furthermore, the mounting frame includes a mounting top plate, a plurality of guide rods are evenly spaced at the bottom of the mounting top plate, a mounting bottom plate is provided at the bottom of the plurality of guide rods, the guide rods are fixedly connected to the mounting top plate, and the mounting bottom plate is fixedly connected to the guide rods.
[0009] Furthermore, the motor winding component includes two roller mounting seats, winding rollers are provided inside the two roller mounting seats, the roller mounting seats are fixedly connected to the mounting top plate, one end of the winding roller is provided with a motor passing through the roller mounting seat, and the two ends of the winding roller are respectively rotatably connected to the two roller mounting seats, the motor is fixedly connected to the roller mounting seat, and the transmission shaft of the motor is fixedly connected to the winding roller, the car includes a sliding plate, a plurality of sliding rods are symmetrically provided on both sides of the two ends of the top of the sliding plate, a car body is provided at the bottom of the sliding plate, the outer side of the sliding plate is slidably connected to a plurality of guide rods, the bottoms of the plurality of sliding rods are fixedly connected to the sliding plate, and the top of the car body is fixedly connected to the sliding plate.
[0010] Furthermore, the inner side of the lifting plate is slidably connected to multiple sliding rods, multiple clamping mounting sleeves are fixedly connected to the top of the sliding plate, and the clamping mounting sleeves are arranged on the side of the sliding rod away from the lever force component, multiple ejection spring tops are fixedly connected to the top of the sliding rod, and the bottom of the ejection spring is fixedly connected to the lifting plate.
[0011] Furthermore, one end of the lifting rope is fixedly connected to the winding roller, and the other end of the lifting rope is fixedly connected to the top of the lifting plate. The lever force-adding component includes a lever mounting seat, a force-adding lever is provided on the top of the lever mounting seat, and the bottom of the lever mounting seat is fixedly connected to the top of the sliding plate. A lower pressure seat is provided on the top of one end of the force-adding lever, and the force-adding lever is rotatably connected to the lever mounting seat. A lower pressure waist-shaped groove is provided at one end of the force-adding lever close to the lower pressure seat, and the length of the force arm at one end of the lower pressure seat of the force-adding lever is longer than the length of the force arm away from the other end. The top of the lower pressure seat is fixedly connected to the bottom of the lifting plate, and the lower pressure seat is slidably connected to the force-adding lever through the lower pressure waist-shaped groove.
[0012] Furthermore, the arc-shaped mounting block is slidingly connected to the inside of the clamping mounting sleeve, the lever connecting block is fixedly connected to the arc-shaped mounting block, the lever connecting block is slidingly connected to the other end of the force lever through the tightening waist-shaped groove, and the arc-shaped friction block is fixedly connected to the inner side of the arc-shaped mounting block.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The utility model comprises a mounting frame, a car is arranged inside the mounting frame, a suspension rope is arranged on the motor winding component, a lifting plate is arranged on the top of the car, a plurality of clamping mounting sleeves are symmetrically arranged on both sides of the top of the car, a plurality of ejection springs are symmetrically arranged on both sides of the top of the lifting plate, a plurality of lever force components are symmetrically arranged on both sides of the bottom of the lifting plate, and a clamping block component is arranged near one end of the clamping mounting sleeve. During this process, the lifting plate is lifted and lowered by the suspension rope. When the suspension rope breaks, the lifting plate loses its top traction, the ejection spring pushes the lifting plate downward, and then presses the lever force component, so that the plurality of clamping block components clamp the mounting frame, thereby increasing friction and stopping the car to ensure the safety of people and goods inside.
[0015] 2. The present invention employs a clamping block assembly comprising an arcuate mounting block, a lever connecting block disposed on the outside of the arcuate mounting block, an arcuate friction block disposed within the arcuate mounting block, and a tightening waist-shaped groove disposed within the lever connecting block. The arcuate friction block is thicker at the bottom than at the top, and its side projection is a right-angled trapezoid. The trapezoidal shape of the arcuate friction block allows the inner side of the arcuate friction block to rub against the guide rod, resulting in wear and tear, which increases the contact area and, in turn, the friction force, facilitating the braking of the car. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the installation structure of the motor winding component of the utility model;
[0018] Figure 3 This is a schematic diagram of the installation structure of the lever force-adding component of the utility model;
[0019] Figure 4 This is a schematic diagram of the installation structure of the clamping block component of the utility model;
[0020] Figure numerals: 1. Mounting frame; 101. Mounting top plate; 102. Guide rod; 103. Mounting bottom plate; 2. Motor winding component; 201. Roller mounting seat; 202. Winding roller; 203. Motor; 3. Car; 301. Sliding plate; 302. Sliding rod; 303. Car body; 4. Suspension rope; 5. Lifting plate; 6. Clamping mounting sleeve; 7. Ejection spring; 8. Lever force component; 801. Lever mounting seat; 802. Force lever; 803. Pressing seat; 804. Pressing waist-shaped groove; 9. Clamping block component; 901. Arc-shaped mounting block; 902. Lever connecting block; 903. Arc-shaped friction block; 904. Tightening waist-shaped groove. 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] See also Figure 1-Figure 4 The utility model provides a technical solution: a reciprocating lifting device, including a mounting frame 1, a motor winding component 2 is provided on the top of the mounting frame 1, a car 3 is provided inside the mounting frame 1, a suspension rope 4 is provided on the motor winding component 2, a lifting plate 5 is provided on the top of the car 3, a plurality of clamping mounting sleeves 6 are symmetrically provided on both sides of the top ends of the car 3, a plurality of ejection springs 7 are symmetrically provided on both sides of the top ends of the lifting plate 5, a plurality of lever force components 8 are symmetrically provided on both sides of the bottom ends of the lifting plate 5, and a clamping block component 9 is provided on one end of the plurality of lever force components 8 close to the clamping mounting sleeve 6;
[0023] The clamping block component 9 includes an arc-shaped mounting block 901, a lever connecting block 902 is provided on the outside of the arc-shaped mounting block 901, an arc-shaped friction block 903 is provided inside the arc-shaped mounting block 901, and a tightening waist-shaped groove 904 is provided on the inside of the lever connecting block 902. The bottom thickness of the arc-shaped friction block 903 is greater than the top thickness, and the side projection of the arc-shaped friction block 903 is a right-angled trapezoid.
[0024] The mounting frame 1 includes a mounting top plate 101, a plurality of guide rods 102 are evenly spaced at the bottom of the mounting top plate 101, a mounting bottom plate 103 is disposed at the bottom of the plurality of guide rods 102, the guide rods 102 are fixedly connected to the mounting top plate 101, and the mounting bottom plate 103 is fixedly connected to the guide rods 102. In this embodiment, by providing a plurality of guide rods 102, the stable lifting and lowering of the elevator car 3 is facilitated, ensuring the safety of the people and goods inside.
[0025] The motor winding component 2 includes two roller mounting seats 201, each of which is provided with a winding roller 202. The roller mounting seats 201 are fixedly connected to the mounting top plate 101. One end of the winding roller 202 passes through the roller mounting seat 201 and is provided with a motor 203. The two ends of the winding roller 202 are respectively rotatably connected to the two roller mounting seats 201. The motor 203 is fixedly connected to the roller mounting seat 201. The drive shaft of the motor 203 is fixedly connected to the winding roller 202. The car 3 includes a sliding plate 301. A plurality of sliding rods 302 are symmetrically provided on both sides of the top ends of the sliding plate 301. A car body 303 is provided at the bottom of the sliding plate 301. The outer side of the sliding plate 301 is slidably connected to the plurality of guide rods 102. The bottoms of the plurality of sliding rods 302 are fixedly connected to the sliding plate 301, and the top of the car body 303 is fixedly connected to the sliding plate 301. In this embodiment, the motor 203 drives the winding roller 202 to rotate, thereby driving the hoisting rope 4 to pull the car 3 up and down.
[0026] The inner side of the lifting plate 5 is slidably connected to multiple slide bars 302. Multiple clamping sleeves 6 are fixedly connected to the top of the sliding plate 301, and the clamping sleeves 6 are located on the side of the sliding bar 302 away from the lever force component 8. The tops of multiple ejection springs 7 are fixedly connected to the tops of the sliding bars 302, and the bottoms of the ejection springs 7 are fixedly connected to the lifting plate 5. In this embodiment, the provision of multiple ejection springs 7 allows the lifting plate 5 to be pushed downward after the suspension rope 4 breaks, thereby ejecting the clamping blocks 9 at both ends of the lever force component 8 to clamp the guide rod 102, thereby stopping the car 3.
[0027] One end of the lifting rope 4 is fixedly connected to the winding roller 202, and the other end of the lifting rope 4 is fixedly connected to the top of the lifting plate 5. The lever force-adding component 8 includes a lever mounting seat 801, a force-adding lever 802 is provided on the top of the lever mounting seat 801, and the bottom of the lever mounting seat 801 is fixedly connected to the top of the sliding plate 301. A lower pressure seat 803 is provided on the top of one end of the force-adding lever 802. The force-adding lever 802 is rotatably connected to the lever mounting seat 801, and a lower pressure waist-shaped groove 804 is provided on one end of the force-adding lever 802 close to the lower pressure seat 803. The length of the force arm at one end of the lower pressure seat 803 of the force-adding lever 802 is longer than the length of the force arm away from the other end. The top of the lower pressure seat 803 is fixedly connected to the bottom of the lifting plate 5, and the lower pressure seat 803 is slidingly connected to the force-adding lever 802 through the lower pressure waist-shaped groove 804. In this example, by providing the downward pressing waist groove 804, it is convenient for the downward pressing seat 803 to drive the force lever 802 to press downward, thereby ejecting the clamping block component 9 and stopping the car 3.
[0028] The arcuate mounting block 901 is slidably connected to the interior of the clamping mounting sleeve 6, the lever connecting block 902 is fixedly connected to the arcuate mounting block 901, and the lever connecting block 902 is slidably connected to the other end of the boosting lever 802 via a tightening waist-shaped groove 904. The arcuate friction block 903 is fixedly connected to the inner side of the arcuate mounting block 901. In this embodiment, the provision of the tightening waist-shaped groove 904 facilitates the boosting lever 802 to push out the arcuate friction block 903, thereby increasing friction and stopping the car 3.
[0029] Working principle: The motor 203 drives the winding roller 202, which in turn drives the lifting rope 4, pulling the lifting plate 5 to lift the bottom car 3. During this process, the ejection spring 7 is subjected to pressure at both ends and shrinks inward. When the lifting rope 4 breaks, the lifting plate 5 loses top traction, and the ejection spring 7 loses pressure at both ends, and pushes the lifting plate 5 downward to slide along multiple slide rods 302, thereby driving the lower pressure seat 803 through the lower pressure waist-shaped groove 804, pressing the force lever 802 downward, and the force lever 802 rotates around the lever mounting seat 801, and ejects the arc friction block 903 inside the arc mounting block 901 through the ejection waist-shaped groove. The arc friction block 903 fits tightly with the guide rod 102, causing friction, and stopping the rapidly descending car 3, thereby protecting the people and goods inside.
[0030] 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 lifting device, characterized in that: The invention comprises a mounting frame (1), a motor winding component (2) is arranged on the top of the mounting frame (1), a car (3) is arranged inside the mounting frame (1), a suspension rope (4) is arranged on the motor winding component (2), a lifting plate (5) is arranged on the top of the car (3), a plurality of clamping mounting sleeves (6) are symmetrically arranged on both sides of the top of the car (3), a plurality of ejection springs (7) are symmetrically arranged on both sides of the top of the lifting plate (5), a plurality of lever force components (8) are symmetrically arranged on both sides of the bottom of the lifting plate (5), and a clamping block component (9) is arranged near one end of the clamping mounting sleeve (6); The clamping block component (9) includes an arc-shaped mounting block (901), a lever connecting block (902) is arranged on the outside of the arc-shaped mounting block (901), an arc-shaped friction block (903) is arranged inside the arc-shaped mounting block (901), a tightening waist-shaped groove (904) is arranged on the inside of the lever connecting block (902), the bottom thickness of the arc-shaped friction block (903) is greater than the top thickness, and the side projection of the arc-shaped friction block (903) is a right-angled trapezoid.
2. A reciprocating lifting device according to claim 1, characterized in that: The mounting frame (1) comprises a mounting top plate (101), a plurality of guide rods (102) are evenly spaced at the bottom of the mounting top plate (101), a mounting bottom plate (103) is provided at the bottom of the plurality of guide rods (102), the guide rods (102) are fixedly connected to the mounting top plate (101), and the mounting bottom plate (103) is fixedly connected to the guide rods (102).
3. A reciprocating lifting device according to claim 2, characterized in that: The motor winding component (2) includes two roller mounting seats (201), a winding roller (202) is provided inside the two roller mounting seats (201), the roller mounting seats (201) are fixedly connected to the mounting top plate (101), one end of the winding roller (202) passes through the roller mounting seat (201) and is provided with a motor (203), both ends of the winding roller (202) are respectively rotatably connected to the two roller mounting seats (201), the motor (203) is fixedly connected to the roller mounting seat (201), and the motor (203) is fixedly connected to the roller mounting seat (201). 3) is fixedly connected to the winding roller (202), the car (3) includes a sliding plate (301), a plurality of sliding rods (302) are symmetrically arranged on both sides of the top of the sliding plate (301), a car body (303) is arranged at the bottom of the sliding plate (301), the outer side of the sliding plate (301) is slidably connected to the plurality of guide rods (102), the bottoms of the plurality of sliding rods (302) are fixedly connected to the sliding plate (301), and the top of the car body (303) is fixedly connected to the sliding plate (301).
4. A reciprocating lifting device according to claim 3, characterized in that: The inner side of the lifting plate (5) is slidably connected to a plurality of slide bars (302), a plurality of clamping mounting sleeves (6) are fixedly connected to the top of the sliding plate (301), and the clamping mounting sleeves (6) are arranged on a side of the sliding bar (302) away from the lever force component (8), the tops of a plurality of ejection springs (7) are fixedly connected to the top of the sliding bar (302), and the bottoms of the ejection springs (7) are fixedly connected to the lifting plate (5).
5. A reciprocating lifting device according to claim 4, characterized in that: One end of the lifting rope (4) is fixedly connected to the winding roller (202), and the other end of the lifting rope (4) is fixedly connected to the top of the lifting plate (5). The lever force-adding component (8) includes a lever mounting seat (801), a force-adding lever (802) is provided on the top of the lever mounting seat (801), and the bottom of the lever mounting seat (801) is fixedly connected to the top of the sliding plate (301). A lower pressure seat (803) is provided on the top of one end of the force-adding lever (802). The lever (802) is rotatably connected to the lever mounting seat (801); a downward pressing waist-shaped groove (804) is provided at one end of the force-adding lever (802) close to the downward pressing seat (803); the length of the force arm at one end of the force-adding lever (802) downward pressing seat (803) is longer than the length of the force arm away from the other end; the top of the downward pressing seat (803) is fixedly connected to the bottom of the lifting plate (5); the downward pressing seat (803) is slidably connected to the force-adding lever (802) through the downward pressing waist-shaped groove (804).
6. The reciprocating lifting device according to claim 5, characterized in that: The arc-shaped mounting block (901) is slidably connected to the inside of the clamping mounting sleeve (6); the lever connecting block (902) is fixedly connected to the arc-shaped mounting block (901); the lever connecting block (902) is slidably connected to the other end of the force-applying lever (802) through the tightening waist-shaped groove (904); and the arc-shaped friction block (903) is fixedly connected to the inner side of the arc-shaped mounting block (901).