Electric hoist with dustproof function
By installing a dustproof box on the electric hoist, the ring brush part and fan are used to remove dust and debris from the cable, the rope wear problem is solved, the dustproof and cooling effect is achieved, and the service life of the electric hoist is extended.
Patent Information
- Application Number
- CN202422153757.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-03
AI Technical Summary
During the use of existing electric hoists, debris and dust attached to the rope are stored inside, causing serious wear on the rope surface and affecting its service life.
Install a dustproof box, equipped with dust removal parts and centrifugal fans, remove dust and debris from the cable surface through the annular brush part, cooperate with the fan blower and dustproof net to intercept the dust, and use the rolling ball to reduce friction and introduce external air to cool down.
Effectively prevent dust and debris from entering the electric hoist, reduce rope wear, extend service life, and have a cooling effect.
Smart Images

Figure CN223133983U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric hoist equipment, in particular to an electric hoist with a dust-proof function. Background Technique
[0002] An electric hoist is a special lifting device installed on overhead cranes and gantry cranes. The electric hoist has the characteristics of small volume, light self-weight, simple operation, and convenient use. It is used in industrial and mining enterprises, warehousing, docks and other places. The electric hoist is structurally compact. The electric hoist with the motor axis perpendicular to the drum axis adopts a worm gear transmission device, and its disadvantages are large length dimension, large width dimension, clumsy structure, low mechanical efficiency, and difficult processing, etc. The hydraulic system is double-controlled, and the overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electrical control department adopts low-voltage control, which increases the safety of the control system. In the prior art, debris and dust attached to the rope are taken into the interior after long-term use of the electric hoist, resulting in serious wear on the surface of the rope, affecting the service life of the rope, and lacking the function of removing debris and dust on the surface of the rope.
[0003] For example, an electric hoist disclosed in the authorized patent document with the application number CN201821540599.8 is difficult to fall off; convenient to rotate; includes an electric hoist body, and a hook and a suspension rope are arranged at the output end of the electric hoist body; it also includes a first gear, a second gear, a front connecting rod, a rear connecting rod, a rotating shaft, an upper fixing block, a lower fixing block, an upper baffle, a lower baffle, an upper snap ring, a lower snap ring, an upper bolt and a lower bolt. The front connecting rod and the rear connecting rod are respectively provided with a fifth fixing hole and a sixth fixing hole. Opposite tooth-shaped mechanisms are arranged on the outer side walls of the first gear and the second gear. The central regions of the first gear and the second gear are respectively provided with a seventh fixing hole and an eighth fixing hole; it also includes a pulley, a front fixing plate, a rear fixing plate, an upper pin and a lower pin. An annular groove is arranged on the outer side wall of the pulley, and a first through hole is arranged in the central region of the pulley. The upper half regions of the front fixing plate and the rear fixing plate are respectively provided with a second through hole and a third through hole.
[0004] The above-mentioned patent has the problem that debris and dust attached to the rope are taken into the interior after long-term use of the electric hoist, resulting in serious wear on the surface of the rope. Therefore, we need to provide an electric hoist with a dust-proof function. Content of the Utility Model
[0005] The purpose of the present utility model is to provide an electric hoist with a dust-proof function. The electric hoist is initially protected from dust by installing a dust-proof box. Inside the dust-proof box, the electric hoist body starts to drive the cable to move. The first motor is started to drive the gear to rotate, and the gear meshes with the toothed ring body, thereby driving the mounting ring to rotate in the groove body. The annular brush part on the inner wall of the mounting ring clears the dust and debris on the surface of the cable. At the same time, two fan devices are cooperated to assist in blowing air to blow off the dust on the cable. Since the surface of the cable contacts the rolling balls, a number of rolling balls are driven to rotate, which has an effect of protecting the cable and reducing friction. And two centrifugal fans are started to introduce external air into the dust-proof box to remove the dust inside the dust-proof box. A dust-proof net is installed at the air inlet of the centrifugal fan for intercepting dust, and it can also cool the electric hoist body inside the dust-proof box, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above purpose, the present utility model provides the following technical solutions: An electric hoist with a dust-proof function, including:
[0007] A dust-proof box with a round hole;
[0008] And an electric hoist body arranged inside the dust-proof box;
[0009] A dust removal member arranged at the bottom of the dust-proof box for cleaning the cable;
[0010] The dust removal member includes a mounting seat fixedly installed at the bottom of the dust-proof box. A groove body is opened inside the mounting seat. An installation ring is rotatably installed inside the groove body. An annular brush part for removing dust from the surface of the cable is arranged on the inner wall of the installation ring. A driving member for rotating the installation ring is arranged inside the mounting seat.
[0011] Preferably, the driving member includes a first motor installed at the bottom of the mounting seat. The output end of the first motor penetrates through the groove body and is installed with a gear. A toothed ring is fixedly installed on the surface of the installation ring. The surface of the gear meshes with the toothed ring.
[0012] Preferably, limiting rings are fixedly installed at both the top and the bottom of the installation ring. Limiting grooves for the rotation of the limiting rings are opened at both the top and the bottom of the inner wall of the mounting seat.
[0013] Preferably, fan devices are fixedly installed at both the top and the bottom of the mounting seat.
[0014] Preferably, two centrifugal fans are communicated with the back surface of the dust-proof box. Protective net parts are arranged at the air inlet ends of the two centrifugal fans. Brackets are fixedly installed at the bottoms of the two centrifugal fans. One side of each of the two brackets is fixedly installed on the surface of the dust-proof box.
[0015] Preferably, a fixing ring is provided at the round hole at the bottom of the dust-proof box, and a number of rolling balls are rotatably installed on the inner wall of the fixing ring.
[0016] Preferably, a metal guardrail is hinged to the front of the dust-proof box.
[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0018] The present utility model installs a dust-proof box to provide preliminary dust-proof protection for the electric hoist. The dust-removing member is used to remove dust and clean the cable on the electric hoist body, and scrape off the dust and debris attached to the cable, thereby preventing dust and sundries from being wound in, reducing the wear of the cable, and greatly extending the service life of the electric hoist body. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0020] Figure 2 is a three-dimensional rear view of the structure of the present utility model;
[0021] Figure 3 is a three-dimensional view of the driving member of the present utility model;
[0022] Figure 4 is a three-dimensional exploded view of the partial structure of the present utility model.
[0023] In the figure: 1, dust-proof box; 2, electric hoist body; 3, dust-removing member; 31, mounting seat; 32, groove body; 33, annular brush part; 34, mounting ring; 30, driving member; 301, first motor; 302, gear; 303, toothed ring; 4, limiting ring; 5, limiting groove; 6, fan; 7, centrifugal fan; 8, guard net part; 9, bracket; 10, fixing ring; 11, rolling ball; 12, metal guardrail. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0025] Please refer to Figures 1-4 , the present utility model provides a technical solution: an electric hoist with a dust-proof function, including:
[0026] a dust-proof box 1 with a round hole;
[0027] and an electric hoist body 2 arranged inside the dust-proof box 1;
[0028] A dust removal member 3 provided at the bottom of the dust-proof box 1 for cleaning the cable;
[0029] The dust removal member 3 includes a mounting seat 31 fixedly installed at the bottom of the dust-proof box 1. A groove 32 is formed inside the mounting seat 31. An installation ring 34 is rotatably installed inside the groove 32. An annular brush portion 33 for removing dust on the surface of the cable is provided on the inner wall of the installation ring 34. A driving member 30 for rotating the installation ring 34 is provided inside the mounting seat 31.
[0030] The driving member 30 includes a first motor 301 installed at the bottom of the mounting seat 31. The output end of the first motor 301 penetrates through the groove 32 and is installed with a gear 302. A toothed ring 303 is fixedly installed on the surface of the installation ring 34. The surface of the gear 302 meshes with the toothed ring 303;
[0031] In this embodiment, the dust-proof box 1 is installed to provide preliminary dust-proof protection for the electric hoist. The electric hoist body 2 in the dust-proof box 1 starts to drive the cable to move. The first motor 301 is started to drive the gear 302 to rotate. The gear 302 meshes with the toothed ring 303 body, thereby driving the installation ring 34 to rotate in the groove 32. The annular brush portion 33 on the inner wall of the installation ring 34 removes dust and debris on the surface of the cable. At the same time, two fan devices 6 are cooperated to assist in blowing air to blow off the dust on the cable. Since the surface of the cable contacts the rolling balls 11, a number of rolling balls 11 are driven to rotate, which plays a role in protecting the cable and reducing friction. And two centrifugal fans 7 are started to introduce external air into the dust-proof box 1 to remove the dust in the dust-proof box 1. A dust-proof net is installed at the air inlet of the centrifugal fan 7 for intercepting dust, and it can also cool the electric hoist body 2 in the dust-proof box 1.
[0032] Limit rings 4 are fixedly installed at both the top and bottom of the installation ring 34. Limit grooves 5 for the limit rings 4 to rotate are formed at both the top and bottom of the inner wall of the mounting seat 31;
[0033] Specifically, the rotation of the installation ring 34 will drive the limit rings 4 at its top and bottom to rotate in the limit grooves 5, so as to limit the rotation of the installation ring 34.
[0034] Fan devices 6 are fixedly installed at both the top and bottom of the mounting seat 31;
[0035] Furthermore, two fan devices 6 are cooperated to assist in blowing air to blow off the dust on the cable.
[0036] Two centrifugal fans 7 are communicated with the back surface of the dust-proof box 1. Protective net portions 8 are provided at the air inlet ends of the two centrifugal fans 7. Brackets 9 are fixedly installed at the bottoms of the two centrifugal fans 7. One side of each of the two brackets 9 is fixedly installed on the surface of the dust-proof box 1;
[0037] Among them, two centrifugal fans 7 are started to introduce external air into the dust-proof box 1 to remove the dust in the dust-proof box 1. A dust-proof net is installed at the air inlet of the centrifugal fan 7 for intercepting dust, and it can also cool the electric hoist body 2 in the dust-proof box 1.
[0038] A fixing ring 10 is arranged at the round hole at the bottom of the dust-proof box 1, and a number of rolling balls 11 are rotatably installed on the inner wall of the fixing ring 10;
[0039] Specifically, since the surface of the cable is in contact with the rolling balls 11, a number of rolling balls 11 are driven to rotate, which has the effect of protecting the cable and reducing friction.
[0040] To facilitate the maintenance of the electric hoist body 2 in the dust-proof box 1, a metal guardrail 12 is hinged to the front of the dust-proof box 1.
[0041] This device installs a dust-proof box 1 to provide preliminary dust-proof protection for the electric hoist. The electric hoist body 2 in the dust-proof box 1 is started to drive the cable to move. The first motor 301 is started to drive the gear 302 to rotate. The gear 302 meshes with the toothed ring 303 body, thereby driving the mounting ring 34 to rotate in the groove body 32. The annular brush part 33 on the inner wall of the mounting ring 34 removes the dust and debris on the surface of the cable. At the same time, two fan devices 6 are cooperated to assist in blowing air to blow off the dust on the cable. Since the surface of the cable is in contact with the rolling balls 11, a number of rolling balls 11 are driven to rotate, which has the effect of protecting the cable and reducing friction. In addition, two centrifugal fans 7 are started to introduce external air into the dust-proof box 1 to remove the dust in the dust-proof box 1. A dust-proof net is installed at the air inlet of the centrifugal fan 7 for intercepting dust, and it can also cool the electric hoist body 2 in the dust-proof box 1.
[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electric hoist with a dust-proof function, characterized in that, Including: A dust-proof box (1) with a round hole; And an electric hoist body (2) arranged inside the dust-proof box (1); A dust removal member (3) arranged at the bottom of the dust-proof box (1) for cleaning the cable; The dust removal member (3) includes a mounting seat (31) fixedly installed at the bottom of the dust-proof box (1). A groove body (32) is formed inside the mounting seat (31). An installation ring (34) is rotatably installed inside the groove body (32). An annular brush part (33) for removing dust from the surface of the cable is arranged on the inner wall of the installation ring (34). A driving member (30) for rotating the installation ring (34) is arranged inside the mounting seat (31).
2. The electric hoist with a dust-proof function according to claim 1, wherein: The driving member (30) includes a first motor (301) installed at the bottom of the mounting seat (31). The output end of the first motor (301) penetrates through the groove body (32) and is installed with a gear (302). A toothed ring (303) is fixedly installed on the surface of the installation ring (34). The surface of the gear (302) meshes with the toothed ring (303).
3. The electric hoist with a dust-proof function according to claim 2, characterized in that: Limit rings (4) are fixedly installed at both the top and bottom of the installation ring (34). Limit grooves (5) for the rotation of the limit rings (4) are formed at both the top and bottom of the inner wall of the mounting seat (31).
4. A electric hoist with dust-proof function according to claim 1, characterized in that: Fan devices (6) are fixedly installed at both the top and bottom of the mounting seat (31).
5. The electric hoist with a dust-proof function according to claim 1, wherein: Two centrifugal fans (7) are communicated with the back surface of the dust-proof box (1). Protective net parts (8) are arranged at the air inlet ends of the two centrifugal fans (7). Brackets (9) are fixedly installed at the bottoms of the two centrifugal fans (7). One side of each of the two brackets (9) is fixedly installed on the surface of the dust-proof box (1).
6. The electric hoist with a dust-proof function according to claim 1, characterized in that: A fixing ring (10) is arranged at the round hole at the bottom of the dust-proof box (1). A number of rolling balls (11) are rotatably installed on the inner wall of the fixing ring (10).
7. An electric hoist with a dust-proof function according to claim 1, characterized in that: A metal guardrail (12) is hinged to the front surface of the dust-proof box (1).
Citation Information
Patent Citations
Electric hoist
CN208776240U