CN214828599U - Novel manual chain hoist device - Google Patents

Abstract

The utility model discloses a novel manual chain type hoist device, which relates to the technical field of hoisting machinery, and comprises a hoist main body, a chain disc and a protection mechanism, wherein the middle part of the chain disc is fixedly connected with a power shaft, the outer side of the chain disc is provided with a limit position, the protection mechanism consists of a protection cover, fan blades and a dustproof plate, the bottom of the limit frame is fixedly connected with a limit device, the limit device consists of a fixed plate, a buffer spring and a butt plate, through the arrangement of the protection mechanism, when in use, the protection cover and the dustproof plate can prevent rain and dust, the fan blades can clear away the dust inside when the power shaft rotates, the sound absorption groove can greatly reduce noise, the purpose of prolonging the service life of the device is achieved, and through the arrangement of the limit device, the damage of the hoist main body is prevented, the service life of the device is prolonged.

Description

Novel manual chain hoist device

Technical Field

The utility model relates to a hoisting machinery technical field specifically is a novel manual chain calabash device.

Background

The hand chain hoist is a hoisting tool using a welding chain as a flexible bearing part. A lever block is a manual hoisting tool which is simple to use and convenient to carry. The lever block can be used for lifting, drawing, descending, calibrating and the like. The lifting capacity generally does not exceed 50T. The device is widely applied to equipment installation, object hoisting, part drawing and the like in the industries of shipbuilding, electric power, transportation, building, mine, post and telecommunications and the like.

The prior manual chain hoist has the following problems: one, because the chain calabash generally sets up externally, often receives to blow by the wind and drench, so lead to rustting or getting into the dust between chain dish and the hand chain easily for a long time, lead to difficult or can not stimulate the hand chain, two, the hand chain takes place great sound when the transmission, produces great noise pollution, and the promotion lifting hook does not have stop gear and alarm mechanism mostly, directly strikes the below of chain calabash main part easily, makes the chain calabash main part impaired.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel manual chain calabash device has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel manual chain type hoist device comprises a hoist main body, a chain disc and a protection mechanism, wherein a top lifting hook is arranged above the hoist main body, a lifting hook is arranged below the hoist main body, a power shaft is fixedly connected with the middle part of the chain disc, the power shaft is in transmission connection with the hoist main body, the interior of the chain disc is provided with a manual chain, the outer side of the chain disc is provided with a limiting frame, one end of the limiting frame is fixedly connected with a fixed sleeve which is sleeved outside the power shaft, the protection mechanism is arranged on the outer side of the chain disc and consists of a protection cover, fan blades and a dust guard, the bottom of the limiting frame is fixedly connected with a limiting device, the limiting device consists of a fixed plate, a buffer spring and a butting plate, one side of the bottom surface of the fixing plate is provided with a piezoelectric ceramic piece, and the outer side wall of the fixing plate is fixedly connected with an alarm lamp.

Optionally, the last fixed surface of calabash main part is connected with the fixed station, the top lifting hook is connected with the last fixed surface of fixed station, the inside of calabash main part is provided with the driver, the driver passes through the driving chain and is connected with the lifting hook, the inside of top lifting hook and lifting hook all is provided with the protection buckle.

Optionally, the inner wall of the chain disc is provided with a chain groove, the chain groove is in chain transmission connection with a manual chain, the bottom of the limiting frame is provided with a groove, and the manual chain is arranged inside the groove.

Optionally, the protection casing sets up the outside at the chain dish, sound absorption groove has been seted up to the interior roof of protection casing, the ventilation groove has been seted up to one side of protection casing, the dust guard sets up the inside in ventilation groove, the flabellum sets up the one side at the dust guard.

Optionally, the end of the power shaft penetrates through the chain disc, the fan blades are fixedly connected with the end of the power shaft, and the length of the fan blades is smaller than the radius of the chain disc.

Optionally, the last fixed surface of fixed plate is connected with the connecting rod, the one end of connecting rod and the bottom fixed connection of spacing, buffer spring's one end and the fixed connection of fixed plate, buffer spring's the other end and the last fixed surface of butt joint board are connected, stop device sets up the below at the calabash main part, piezoceramics piece and warning light are connected by conduction.

(III) advantageous effects

The utility model provides a novel manual chain calabash device possesses following beneficial effect:

1. this neotype manual chain calabash device, through protection machanism's setting, can be rain-proof and dustproof through protection casing and dust guard when using, the flabellum can clear away the dust of inside when the power shaft rotates, inhales the sound groove and can reduce the noise by a wide margin, makes this neotype manual chain calabash device possess the effect that protective capacities is strong and the noise removal, has reached the purpose that improves the device life.

2. This neotype manual chain hoist device, through stop device's setting, can cushion through buffer spring, prevent to promote the direct butt of lifting hook to the calabash main part for the calabash main part is impaired, the setting of rethread piezoceramics piece and warning light, when piezoceramics piece received the extrusion, piezoceramics piece production current for the warning light lights, has played the effect of alarm suggestion, has reached and has prevented that the calabash main part is impaired, improves the device life's purpose.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1 according to the present invention

Fig. 4 is a three-dimensional view of the chain wheel and the limiting device of the present invention.

In the figure: 1. a gourd main body; 2. a chain plate; 3. a top hook; 4. lifting a lifting hook; 5. a power shaft; 6. a manual chain; 7. a limiting frame; 8. fixing the sleeve; 9. a protective cover; 10. a fan blade; 11. a dust-proof plate; 12. a fixing plate; 13. a buffer spring; 14. a butt joint plate; 15. piezoelectric ceramic plates; 16. an alarm light; 17. a fixed table; 18. a protective buckle; 19. a sound absorbing groove; 20. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a novel manual chain type hoist device comprises a hoist main body 1, a chain disc 2 and a protection mechanism, wherein a top lifting hook 3 is arranged above the hoist main body 1, a lifting hook 4 is arranged below the hoist main body 1, a fixed table 17 is fixedly connected to the upper surface of the hoist main body 1, the top lifting hook 3 is fixedly connected with the upper surface of the fixed table 17, a driver is arranged inside the hoist main body 1 and is connected with the lifting hook 4 through a transmission chain, protection buckles 18 are arranged inside the top lifting hook 3 and the lifting hook 4, a power shaft 5 is fixedly connected to the middle of the chain disc 2, the power shaft 5 is in transmission connection with the hoist main body 1, a manual chain 6 is arranged inside the chain disc 2, a limiting frame 7 is arranged outside the chain disc 2, a chain groove is formed in the inner wall of the chain disc 2 and is in transmission connection with the manual chain 6, a groove is formed in the bottom of the limiting frame 7, the manual chain 6 is arranged inside the groove, one end of the limiting frame 7 is fixedly connected with a fixed sleeve 8, the fixed sleeve 8 is sleeved outside the power shaft 5, a protection mechanism is arranged outside the chain disc 2 and consists of a protection cover 9, fan blades 10 and a dustproof plate 11, the protection cover 9 is arranged outside the chain disc 2, the inner top wall of the protection cover 9 is provided with a sound absorption groove 19, one side of the protection cover 9 is provided with a ventilation groove, the dustproof plate 11 is arranged inside the ventilation groove, the fan blades 10 are arranged on one side of the dustproof plate 11, the end head of the power shaft 5 penetrates through the chain disc 2, the fan blades 10 are fixedly connected with the end head of the power shaft 5, the length of the fan blades 10 is smaller than the radius of the chain disc 2, the bottom of the limiting frame 7 is fixedly connected with a limiting device, the limiting device consists of a fixed plate 12, a buffer spring 13 and a butt joint plate 14, one side of the bottom surface of the fixed plate 12 is provided with a piezoelectric ceramic plate 15, the outer side wall of the fixed plate 12 is fixedly connected with an alarm lamp 16, the upper surface of fixed plate 12 is fixedly connected with connecting rod 20, the bottom fixed connection of one end and spacing 7 of connecting rod 20, the fixed connection of one end and fixed plate 12 of buffer spring 13, the upper surface fixed connection of the other end and butt joint board 14 of buffer spring 13, stop device sets up in the below of calabash main part 1, piezoceramics piece 15 and warning light 16 conductive connection.

When the lifting appliance is used, firstly, the top lifting hook 3 is hung at a specified position, then a heavy object is hung on the lifting hook 4, then the manual chain 6 is pulled, the manual chain 6 drives the chain disc 2 to rotate, the rotation of the chain disc 2 drives the power shaft 5 to rotate, power is transmitted to the transmission chain through a driver in the hoist main body 1 to drive the lifting hook 4 to ascend, the power shaft 5 drives the fan blade 10 at the end head to rotate when rotating, the interior of the protective cover 9 is blown off to prevent excessive dust from affecting the transmission of the manual chain 6, when the top lifting hook 3 is abutted to the abutting plate 14, the abutting plate 14 extrudes the buffer spring 13 due to the arrangement of the buffer spring 13, the buffer spring 13 is compressed, the abutting plate 14 can be abutted to the piezoelectric ceramic plate 15 below the fixed plate 12, so that the piezoelectric ceramic plate 15 is subjected to current generated in pressure, and the alarm lamp 16 is lightened, and giving an alarm prompt, stopping pulling the manual chain 6 at the moment, and pulling the manual chain 6 reversely after the lifting hook 4 is put down.

The utility model discloses a theory of operation and beneficial effect: the novel manual chain type hoist device can prevent rain and dust through the protective cover 9 and the dust guard 11 when in use through the arrangement of the protective mechanism, the fan blade 10 can clear away the dust inside when the power shaft 5 rotates, the sound absorption groove 19 can greatly reduce the noise, so that the novel manual chain type hoist device has the effects of strong protective capability and noise removal, the purpose of prolonging the service life of the device is achieved, the device can buffer through the buffer spring 13 through the arrangement of the limiting device, the lifting hook 4 is prevented from being directly abutted to the hoist main body 1, the hoist main body 1 is damaged, the piezoelectric ceramic piece 15 and the alarm lamp 16 are arranged, when the piezoelectric ceramic piece 15 is extruded, the piezoelectric ceramic piece 15 generates current, the alarm lamp 16 lights, the alarm prompting effect is achieved, and the damage of the hoist main body 1 is prevented, the service life of the device is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel manual chain calabash device, includes calabash main part (1), chain dish (2) and protection machanism, its characterized in that: the top of calabash main part (1) is provided with top lifting hook (3), the below of calabash main part (1) is equipped with promotion lifting hook (4), the middle part fixedly connected with power shaft (5) of chain dish (2), power shaft (5) are connected with calabash main part (1) transmission, the inside of chain dish (2) is provided with hand chain (6), the outside of chain dish (2) is provided with spacing (7), the one end fixedly connected with fixing sleeve (8) of spacing (7), fixing sleeve (8) cup joint the outside at power shaft (5), protection machanism sets up the outside at chain dish (2), protection machanism comprises protection casing (9), flabellum (10) and dust guard (11), the bottom fixedly connected with stop device of spacing (7), stop device comprises fixed plate (12), buffer spring (13) and butt board (14), one side of the bottom surface of the fixing plate (12) is provided with a piezoelectric ceramic plate (15), and the outer side wall of the fixing plate (12) is fixedly connected with an alarm lamp (16).

2. The new type of manual chain block device of claim 1, wherein: the last fixed surface of calabash main part (1) is connected with fixed station (17), top lifting hook (3) are connected with the last fixed surface of fixed station (17), the inside of calabash main part (1) is provided with the driver, the driver is connected with promotion lifting hook (4) through the driving chain, top lifting hook (3) all are provided with protection buckle (18) with the inside that promotes lifting hook (4).

3. The new type of manual chain block device of claim 1, wherein: the inner wall of the chain disc (2) is provided with a chain groove, the chain groove is in transmission connection with a manual chain (6), the bottom of the limiting frame (7) is provided with a groove, and the manual chain (6) is arranged inside the groove.

4. The new type of manual chain block device of claim 1, wherein: protection casing (9) set up the outside at chain dish (2), sound absorption groove (19) have been seted up to the interior roof of protection casing (9), the ventilation groove has been seted up to one side of protection casing (9), dust guard (11) set up the inside in ventilation groove, flabellum (10) set up the one side at dust guard (11).

5. A new type of manual chain block device according to claim 1 or 4, characterized in that: the end of the power shaft (5) penetrates through the chain disc (2), the fan blades (10) are fixedly connected with the end of the power shaft (5), and the length of the fan blades (10) is smaller than the radius of the chain disc (2).

6. The new type of manual chain block device of claim 1, wherein: the last fixed surface of fixed plate (12) is connected with connecting rod (20), the bottom fixed connection of the one end of connecting rod (20) and spacing (7), the one end of buffer spring (13) and the fixed connection of fixed plate (12), the other end of buffer spring (13) and the last fixed surface of butt joint board (14) are connected, stop device sets up the below at calabash main part (1), piezoceramics piece (15) and warning light (16) conducting connection.

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