CN212687386U

CN212687386U - Novel crane with good safety performance

Info

Publication number: CN212687386U
Application number: CN202021327766.8U
Authority: CN
Inventors: 李慧
Original assignee: Fengcheng Ruixing Carbon Products Co ltd
Current assignee: Fengcheng Ruixing Carbon Products Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-12
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a novel hoist that security performance is good, including set casing and driving motor, the inside fixed mounting of set casing has the deformation piece, and one side fixed mounting of deformation piece has first rack, and the top of first gear meshes mutually has the driving gear, and one side of driving gear meshes mutually has driven gear, and driven gear's top meshes mutually has the second rack, and one side fixed mounting that the fishplate bar is close to the set casing has the lug, and one side fixed mounting that the connecting plate top is close to the set casing has the bracing piece. Through setting up third runner, deformation piece, first rack, driving gear, telescopic link and buffer spring, when the heavy object that this hoist was hoisted is overweight, trigger alarm device, through setting up the alarm device that second rack, driven gear, expanding spring, connecting plate, connecting rod, lug and alarm are constituteed, the effectual driving motor that has protected to avoid the heavy object to drop from the sky at the handling in-process, bring serious potential safety hazard to constructor, construction facility.

Description

Novel crane with good safety performance

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to novel hoist that security performance is good.

Background

The crane is a common large-scale device in factories and construction sites, is used for lifting heavy construction materials such as reinforcing steel bars and plates, and is an essential device in factories and construction sites. The crane winds and releases the steel wire rope through the motor on the cross beam, so that heavy objects are hoisted.

When the existing crane is used, the crane is damaged and accidents are caused when the weight of a loaded heavy object exceeds the bearing limit of the crane, the influence on a motor is particularly prominent, the motor can be directly failed or even burnt, the heavy object falls off from the air in the hoisting process, and serious potential safety hazards are brought to constructors and construction facilities.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel hoist that security performance is good to propose current hoist in solving above-mentioned background art in the use, can lead to the damage of hoist and cause the accident when the heavy object weight that bears exceeds the hoist and bear the limit, to the especially outstanding of influence of motor, thereby cause direct inefficacy, even burn out that lead to the motor, and lead to the heavy object to drop from aerial in the handling process, brought the problem of serious potential safety hazard to constructor, construction facilities.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel hoist that security performance is good, includes set casing and driving motor, the inside fixed mounting of set casing has the deformation piece, one side fixed mounting of deformation piece has first rack, first sliding sleeve has been cup jointed to the outside of first rack, the top of first rack meshes mutually has the driving gear, one side of driving gear meshes mutually has driven gear, driven gear's top meshes mutually has the second rack, the second sliding sleeve has been cup jointed to the outside of second rack, one side fixed mounting that the deformation piece was kept away from to the second rack has the connecting plate, one side fixed mounting that the connecting plate is close to the set casing has the lug, one side fixed mounting that the connecting plate top is close to the set casing has the bracing piece.

Preferably, the driving end of the driving motor is fixedly provided with a first rotating wheel, the inside of the first rotating wheel is fixedly provided with a sling, one side of the inner wall of the fixed shell is fixedly provided with a second rotating wheel, one side of the deformation sheet far away from the first rack is fixedly provided with a third rotating wheel, and the sling is wound outside the second rotating wheel and the third rotating wheel.

Preferably, one side of the deformation sheet, which is far away from the third rotating wheel, is fixedly provided with a telescopic rod, and a buffer spring is sleeved outside the telescopic rod.

Preferably, one side of the first sliding sleeve, which is far away from the deformation sheet, is fixedly connected with the inner wall of the fixed shell, and the second sliding sleeve is fixedly installed inside the fixed shell.

Preferably, the second rack and one end of the support rod, which are positioned outside the fixed shell, are sleeved with a telescopic spring.

Preferably, the fixed shell is fixedly provided with an alarm at the outside, and the fixed shell is fixedly provided with an alarm lamp at the outside.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up third runner, deformation piece, first rack, driving gear, telescopic link and buffer spring, at the in-process that uses, when the heavy object that this hoist was hung is overweight, the sling drove deformation piece and stimulates right, and the telescopic link extension simultaneously, buffer spring is tensile, and deformation piece makes first rack to removing, and first rack slides in the inside of first sliding sleeve, makes the driving gear rotate to trigger alarm device.

2. Through setting up the second rack, driven gear, expanding spring, the connecting plate, the connecting rod, the alarm device that lug and alarm are constituteed, in the use, when the heavy object that this hoist was hung up is overweight, driven gear rotates, make the second rack that meshes mutually with it remove to the right side, thereby make the lug touching alarm of connecting plate one side, make the alarm lamp light, the warning staff, stop the driving motor and function, the effectual driving motor that has protected, and avoid the heavy object to drop from the sky at the handling in-process, to constructor, construction facilities brings serious potential safety hazard.

Drawings

Fig. 1 is a schematic sectional structural view of the fixing shell of the present invention;

FIG. 2 is a schematic view of a partial side structure of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure a of the present invention.

In the figure: 1. a stationary case; 2. a drive motor; 3. a first runner; 4. a sling; 5. a second runner; 6. a deformable sheet; 7. a third rotating wheel; 8. a telescopic rod; 9. a buffer spring; 10. a first rack; 11. a first sliding sleeve; 12. a driving gear; 13. a driven gear; 14. a second sliding sleeve; 15. a second rack; 16. a connecting plate; 17. a bump; 18. a support bar; 19. an alarm; 20. a tension spring; 21. an alarm lamp.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel hoist that security performance is good, including set casing 1 and driving motor 2, the inside fixed mounting of set casing 1 has the deformation piece 6, one side fixed mounting of deformation piece 6 has first rack 10, first sliding sleeve 11 has been cup jointed to the outside of first rack 10, the top of first rack 10 meshes mutually has driving gear 12, one side of driving gear 12 meshes mutually has driven gear 13, driven gear 13's top meshes mutually has second rack 15, second sliding sleeve 14 has been cup jointed to the outside of second rack 15, one side fixed mounting that deformation piece 6 was kept away from to second rack 15 has connecting plate 16, one side fixed mounting that connecting plate 16 is close to set casing 1 has lug 17, one side fixed mounting that connecting plate 16 top is close to set casing 1 has bracing piece 18.

In this embodiment, by providing the third rotating wheel 7, the deformation sheet 6, the first rack 10 and the driving gear 12, when the heavy object lifted by the crane is overweight, the sling 4 drives the deformation sheet 6 to be pulled rightwards, the deformation sheet 6 enables the first rack 10 to move rightwards, the driving gear 12 rotates, the driving gear 12 drives the driven gear 13 meshed with the driving gear 12, so that the lug 17 on one side of the connecting plate 16 touches the alarm 19, the alarm lamp 21 lights up, the warning worker stops the driving motor 2, the driving motor 2 is effectively protected, and the heavy object is prevented from falling from the air in the lifting process.

Specifically, the driving end of the driving motor 2 is fixedly provided with a first rotating wheel 3, the inside of the first rotating wheel 3 is fixedly provided with a sling 4, one side of the inner wall of the fixed shell 1 is fixedly provided with a second rotating wheel 5, one side of the deformation sheet 6 far away from the first rack 10 is fixedly provided with a third rotating wheel 7, and the sling 4 is wound outside the second rotating wheel 5 and the third rotating wheel 7.

In the embodiment, the first rotating wheel 3 is driven to rotate by the driving motor 2, so that the sling 4 is collected and released to work, and the sling 4 is wound outside the second rotating wheel 5 and the third rotating wheel 7, so that the collection and release of the sling 4 are facilitated.

Specifically, one side of the deformation sheet 6, which is far away from the third rotating wheel 7, is fixedly provided with a telescopic rod 8, and a buffer spring 9 is sleeved outside the telescopic rod 8.

In this embodiment, when the deformation sheet 6 moves rightwards, the telescopic rod 8 is driven to move rightwards, and the buffer spring 9 stretches to generate a pulling force in the opposite direction to the deformation sheet 6, so as to form a buffer force.

Specifically, one side of the first sliding sleeve 11, which is far away from the deformation sheet 6, is fixedly connected with the inner wall of the fixed shell 1, and the second sliding sleeve 14 is fixedly installed inside the fixed shell 1.

In this embodiment, the first sliding sleeve 11 and the second sliding sleeve 14 are used for supporting the first rack 10 and the second rack 15, respectively, so as to facilitate the sliding of the first rack 10 and the second rack 15.

Specifically, the end of the second rack 15 and the end of the support bar 18 located outside the fixed shell 1 are sleeved with a telescopic spring 20.

In this embodiment, when the second rack 15 and the support bar 18 slide to the right, the extension spring 20 is pressed by force to generate a damping force.

Specifically, an alarm 19 is fixedly mounted on the outside of the stationary housing 1, and an alarm lamp 21 is fixedly mounted on the outside of the stationary housing 1.

In this embodiment, the projection 17 is used to trigger the alarm 19, and the alarm 19 lights the alarm lamp 21 to warn the operator.

The utility model discloses a theory of operation and use flow: when the heavy object lifted by the crane is overweight, the weight born by the sling 4 is overlarge, the sling 4 is stressed to horizontally pull the third rotating wheel 7 rightwards, so as to drive the deformation sheet 6 and pull rightwards, meanwhile, the telescopic rod 8 is extended, the buffer spring 9 is stretched, the deformation sheet 6 pulls the first rack 10 to slide rightwards, the first rack 10 slides in the first sliding sleeve 11, the driving gear 12 meshed with the first rack 10 rotates, the driving gear 12 rotates the driven gear 13 meshed with the driving gear, the driven gear 13 drives the second rack 15 to slide rightwards in the second sliding sleeve 14, the second rack 15 drives the supporting rod 18 connected through the connecting plate 16 to slide rightwards, the telescopic spring 20 is compressed, the lug 17 touches the alarm 19, the alarm lamp 21 is lightened, and the warning staff stops the operation of the driving motor 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel hoist that security performance is good, includes set casing (1) and driving motor (2), its characterized in that: a deformation sheet (6) is fixedly arranged in the fixed shell (1), a first rack (10) is fixedly arranged on one side of the deformation sheet (6), a first sliding sleeve (11) is sleeved outside the first rack (10), a driving gear (12) is meshed with the top of the first rack (10), one side of the driving gear (12) is meshed with a driven gear (13), the top of the driven gear (13) is meshed with a second rack (15), a second sliding sleeve (14) is sleeved outside the second rack (15), a connecting plate (16) is fixedly installed on one side of the second rack (15) far away from the deformation sheet (6), a convex block (17) is fixedly arranged on one side of the connecting plate (16) close to the fixed shell (1), and a support rod (18) is fixedly arranged on one side of the top of the connecting plate (16) close to the fixed shell (1).

2. The novel crane with good safety performance as claimed in claim 1, is characterized in that: the drive end fixed mounting of driving motor (2) has first runner (3), the inside fixed mounting of first runner (3) has hoist cable (4), one side fixed mounting of set casing (1) inner wall has second runner (5), one side fixed mounting that first rack (10) were kept away from in morphism piece (6) has third runner (7), hoist cable (4) twine in the outside of second runner (5) and third runner (7).

3. The novel crane with good safety performance as claimed in claim 1, is characterized in that: one side of the deformation sheet (6) far away from the third rotating wheel (7) is fixedly provided with a telescopic rod (8), and a buffer spring (9) is sleeved outside the telescopic rod (8).

4. The novel crane with good safety performance as claimed in claim 1, is characterized in that: one side of the first sliding sleeve (11) far away from the deformation sheet (6) is fixedly connected with the inner wall of the fixed shell (1), and the second sliding sleeve (14) is fixedly arranged in the fixed shell (1).

5. The novel crane with good safety performance as claimed in claim 1, is characterized in that: and one ends of the second rack (15) and the support rod (18) which are positioned outside the fixed shell (1) are sleeved with a telescopic spring (20).

6. The novel crane with good safety performance as claimed in claim 1, is characterized in that: the outside fixed mounting of set casing (1) has alarm (19), the outside fixed mounting of set casing (1) has alarm lamp (21).