Anti-falling safety device for hoisting heavy object

Abstract

The utility model discloses an anti-falling safety device for hoisting a heavy object, which belongs to the technical field of high-altitude operation safety devices and comprises a support, a mounting seat is arranged at the bottom of the support, a support plate is arranged at the top of the support, a rotating frame is arranged in the support plate, and a shaft sleeve is arranged at the bottom of the rotating frame. A falling protector is arranged on one side of the rotating frame, a moving assembly is arranged on the top of the rotating frame, an anti-disengaging assembly is arranged at the bottom of the falling protector, and due to the arrangement of the anti-disengaging assembly, a lower hook of the falling protector is not prone to disengaging when connected with a heavy object, and the safety of the device is improved; according to the device, the fixing frame is arranged, so that the device can be more flexible and higher in practicability during use, by arranging the moving assembly, the position of the falling protector can be efficiently adjusted when the position of the falling protector needs to be adjusted, the applicability of the device is improved, and meanwhile the connecting strength of the falling protector and the fixing frame is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high altitude operation safety device technical field, concretely relates to a kind of anti-falling safety device for heavy hoisting. BACKGROUND

[0002] The anti-falling safety device for heavy hoisting can effectively prevent the heavy from falling during hoisting, ensuring the safety of personnel and equipment. This device, through its unique design and working principle, ensures safety in hoisting operations, thereby avoiding potential accidents and losses.

[0003] Chinese patent application No. 201420704978.1 discloses a well derrick worker high-altitude operation safety device, which includes a support, a rotating frame, and a fall arrestor. The rotating frame is fixedly installed on the support, and the fall arrestor is hoisted on the rotating frame. The upper end of the support is provided with a support plate, which is connected to the rotating frame in the middle and connected to the support at the lower end. An axle sleeve is arranged at the connection. The rotating frame is an L-shaped rotating frame, and the front section of the horizontal part of the rotating frame is provided with a hoisting hole. An upper hook is installed on the hoisting hole, and the upper hook is connected to the fall arrestor. The lower end of the fall arrestor is connected to a lower hook. The fall arrestor is a differential type fall arrestor that can safely bear the load of the well derrick worker. The rotating device allows the well derrick worker to walk freely on the second floor without dead angles. The installed anti-falling device and the alarm system greatly enhance safety.

[0004] The above-mentioned patent has the following problems when in use:

[0005] 1. The installation position of the fall arrestor of the device is fixed, and the lower hook may be disconnected due to changes in the connection angle when connecting and fixing the heavy object, which is not safe and is not conducive to promotion.

[0006] 2. The device can adjust the direction of the fall arrestor through the rotating frame, but it cannot adjust the position of the fall arrestor. When the hoisting position changes, the device has poor applicability. UTILITY MODEL CONTENTS

[0007] To solve the problems raised in the background art, the utility model provides an anti-falling safety device for heavy hoisting, which has the characteristics of firm connection and easy disconnection, and the position of the fall arrestor can be adjusted according to requirements.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-falling safety device for heavy hoisting, including a support, an installation seat is arranged at the bottom of the support, a support plate is arranged at the top of the support, a rotating frame is arranged inside the support plate, an axle sleeve is arranged at the bottom of the rotating frame, a fall arrestor is arranged on one side of the rotating frame, a moving assembly is arranged at the top of the rotating frame, and an anti-disconnection assembly is arranged at the bottom of the fall arrestor.

[0009] Preferably, the anti-falling device comprises a limiting frame, a connecting disc, a rotating shaft, a hook, a rubber block, a bolt assembly, an anti-falling plate and a torsional spring, wherein the bottom of the anti-falling device is provided with the limiting frame, the bottom of the limiting frame is provided with the connecting disc, the inside of the connecting disc is provided with the rotating shaft, the bottom of the connecting disc is provided with the hook, the inner wall of the hook is provided with the rubber block, one side of the hook is provided with the anti-falling plate, the top of the anti-falling plate is provided with the torsional spring, and the connecting place of the anti-falling plate and the hook is provided with the bolt assembly.

[0010] Preferably, the bolt assembly comprises a pin rod, a pin groove, a rubber sheet and a pin seat, wherein the surface of the anti-falling plate is provided with the pin groove, the inside of the pin groove is provided with the pin rod, the bottom of the pin groove is provided with the rubber sheet, and the bottom of the rubber sheet is provided with the pin seat.

[0011] Preferably, the moving assembly comprises a fixed frame, a connecting block, a fixed shaft, a fixed plate, a connecting plate, a threaded cylinder, a screw rod and a driving motor, wherein the top of the rotating frame is provided with the fixed frame, the inside of the fixed frame is provided with the driving motor, the output end of the driving motor is provided with the screw rod, the surface of the screw rod is provided with the threaded cylinder, one side surface of the threaded cylinder is provided with the connecting block, the inside of the connecting block is provided with the fixed shaft, the two sides of the fixed shaft are provided with the fixed plate, and the bottom of the fixed plate is provided with the connecting plate.

[0012] Preferably, the top surface of the threaded cylinder is provided with a limiting block.

[0013] Preferably, the bottom of the driving motor is provided with a fixed base.

[0014] Compared with the prior art, the device has the advantages that:

[0015] 1、The anti-falling device is provided with the anti-falling assembly, so that the hook of the device can not be easily unhooked when connecting the weight, the use efficiency of the hook is not affected, the safety of the device is improved, the device can be more flexible during use, and the practicality is higher.

[0016] 2、The moving assembly is arranged, so that the position of the anti-falling device can be efficiently adjusted when the position of the anti-falling device needs to be adjusted, the applicability of the device is improved, the connection strength of the anti-falling device and the fixed frame is also enhanced, and the service life of the device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the device;

[0018] Figure 2 It is a whole structure schematic view of the anti-falling assembly of the device;

[0019] Figure 3 It is a whole structure schematic view of the bolt assembly of the device;

[0020] Figure 4 Figure 2 is a sectional view of the mobile assembly of the utility model.

[0021] In the figure: 1, support; 2, anti-drop assembly; 21, limit frame; 22, connecting disc; 23, rotating shaft; 24, hook; 25, rubber block; 26, bolt assembly; 261, pin rod; 262, pin groove; 263, rubber sheet; 264, pin seat; 27, anti-drop plate; 28, torsional spring; 3, fall arrestor; 4, mobile assembly; 41, fixed frame; 42, connecting block; 43, fixed shaft; 44, fixed plate; 45, connecting plate; 46, threaded cylinder; 47, screw rod; 48, drive motor; 5, rotating frame; 6, support plate; 7, shaft sleeve; 8, mounting seat. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-4 The utility model provides the following technical scheme: a kind of anti-falling safety device for heavy lifting, including support 1, the bottom of support 1 is provided with mounting seat 8, the top of support 1 is provided with support plate 6, the inside of support plate 6 is provided with rotating frame 5, the bottom of rotating frame 5 is provided with shaft sleeve 7, one side of rotating frame 5 is provided with fall arrestor 3, the top of rotating frame 5 is provided with mobile assembly 4, the bottom of fall arrestor 3 is provided with anti-drop assembly 2.

[0025] Specifically, anti-drop assembly 2 includes limit frame 21, connecting disc 22, rotating shaft 23, hook 24, rubber block 25, bolt assembly 26, anti-drop plate 27 and torsional spring 28, wherein, the bottom of fall arrestor 3 is provided with limit frame 21, the bottom of limit frame 21 is provided with connecting disc 22, the inside of connecting disc 22 is provided with rotating shaft 23, the bottom of connecting disc 22 is provided with hook 24, the inner wall of hook 24 is provided with rubber block 25, one side of hook 24 is provided with anti-drop plate 27, the top of anti-drop plate 27 is provided with torsional spring 28, bolt assembly 26 is arranged at the connecting place of anti-drop plate 27 and hook 24.

[0026] By adopting the above technical scheme, when the anti-falling assembly 2 is used, the hook 24 is released from limiting the anti-falling plate 27 by the pin assembly 26, at this time the weight is connected with the hook 24, the anti-falling plate 27 is pushed, the torsional spring 28 is compressed under force, the anti-falling plate 27 is reset under the action of the torsional spring 28 after the connection is completed, then the hook 24 limits the anti-falling plate 27 by the pin assembly 26, thereby avoiding the problem that the hook 24 is unhooked due to angle problems when the anti-falling device 3 is connected to the weight to prevent the weight from falling accidentally, thereby avoiding the occurrence of safety accidents, improving the practicability of the hanging device, and avoiding the problem that the angle cannot be flexibly adjusted when the device is connected by rotating the shaft 23 inside the connecting disc 22, the rubber block 25 is arranged to further reduce the abrasion of the hook 24 during connection, and the practicability of the device is improved.

[0027] Specifically, the pin assembly 26 includes a pin rod 261, a pin groove 262, a rubber sheet 263, and a pin seat 264, wherein the surface of the anti-falling plate 27 is provided with the pin groove 262, the inside of the pin groove 262 is provided with the pin rod 261, the bottom of the pin groove 262 is provided with the rubber sheet 263, and the bottom of the rubber sheet 263 is provided with the pin seat 264.

[0028] By adopting the above technical scheme, when the pin assembly 26 is used, the pin rod 261 is pulled away from the pin seat 264, thereby canceling the limiting of the pin seat 264 by the pin rod 261, at this time the anti-falling plate 27 can be separated from the hook 24, and the hook 24 can be connected with the weight, thereby improving the safety performance and preventing unhooking.

[0029] In use, when the anti-falling assembly 2 is used, the hook 24 is released from limiting the anti-falling plate 27 by the pin assembly 26, at this time the weight is connected with the hook 24, the anti-falling plate 27 is pushed, the torsional spring 28 is compressed under force, the anti-falling plate 27 is reset under the action of the torsional spring 28 after the connection is completed, then the hook 24 limits the anti-falling plate 27 by the pin assembly 26, thereby avoiding the problem that the hook 24 is unhooked due to angle problems when the anti-falling device 3 is connected to the weight to prevent the weight from falling accidentally, thereby avoiding the occurrence of safety accidents, improving the practicability of the device, and avoiding the problem that the angle cannot be flexibly adjusted when the device is connected by rotating the shaft 23 inside the connecting disc 22, the rubber block 25 is arranged to further reduce the abrasion of the hook 24 during connection, and the practicability of the device is improved, when the pin assembly 26 is used, the pin rod 261 is pulled away from the pin seat 264, thereby canceling the limiting of the pin seat 264 by the pin rod 261, at this time the anti-falling plate 27 can be separated from the hook 24, and the hook 24 can be connected with the weight, thereby improving the safety performance and preventing unhooking.

[0030] Embodiment 2

[0031] The difference between this embodiment and embodiment 1 is that specifically, the moving assembly 4 comprises a fixed frame 41, a connecting block 42, a fixed shaft 43, a fixed plate 44, a connecting plate 45, a threaded cylinder 46, a screw rod 47 and a driving motor 48, wherein the top of the rotating frame 5 is provided with the fixed frame 41, the inside of the fixed frame 41 is provided with the driving motor 48, the output end of the driving motor 48 is provided with the screw rod 47, the surface of the screw rod 47 is provided with the threaded cylinder 46, one side surface of the threaded cylinder 46 is provided with the connecting block 42, the inside of the connecting block 42 is provided with the fixed shaft 43, both sides of the fixed shaft 43 are provided with the fixed plate 44, and the bottom of the fixed plate 44 is provided with the connecting plate 45.

[0032] By adopting the above technical scheme, when the moving assembly 4 is used, the screw rod 47 is driven to rotate by the driving motor 48, and then the threaded cylinder 46 drives the connecting block 42 to move synchronously, so that the device can be adjusted according to different hoisting positions, the convenience is improved, the working efficiency is higher, the strength of the component connection is further improved through the connection of the fixed plate 44 and the fixed shaft 43, the top connection of the fall protector 3 will not fall off, and the practicability of the device is improved.

[0033] Specifically, the top surface of the threaded cylinder 46 is provided with a limiting block.

[0034] By adopting the above technical scheme, when the screw rod 47 drives the threaded cylinder 46 to move, the limiting block can effectively prevent the threaded cylinder 46 from separating from the inside of the fixed frame 41, and the stability of the component is improved.

[0035] Specifically, the bottom of the driving motor 48 is provided with a fixed base.

[0036] By adopting the above technical scheme, when the rotating frame 5 rotates, the driving motor 48 will not be offset in position under the action of the fixed base, and the use stability is improved.

[0037] When the moving assembly 4 is used, the screw rod 47 is driven to rotate by the driving motor 48, and then the threaded cylinder 46 drives the connecting block 42 to move synchronously, so that the device can be adjusted according to different hoisting positions, the convenience is improved, the working efficiency is higher, the strength of the component connection is further improved through the connection of the fixed plate 44 and the fixed shaft 43, the top connection of the fall protector 3 will not fall off, and the practicability of the device is improved, when the screw rod 47 drives the threaded cylinder 46 to move, the limiting block can effectively prevent the threaded cylinder 46 from separating from the inside of the fixed frame 41, and the stability of the component is improved, when the rotating frame 5 rotates, the driving motor 48 will not be offset in position under the action of the fixed base, and the use stability is improved.

[0038] The structure and use principle of the anti-falling device 3 and the rotating frame 5 have been disclosed in a well rig worker high-altitude operation safety device with Chinese patent application No.

[0039] The working principle and use process of the utility model: the utility model adjusts the well rig worker high-altitude operation safety device, when using the anti-off component 2, the anti-off plate 27 is limited by the hook 24 through the bolt component 26, at this time, the weight is connected with the hook 24, the anti-off plate 27 is pushed, the torsional spring 28 is compressed under force, the anti-off plate 27 is reset under the action of the torsional spring 28 after completing the connection, then the hook 24 is limited to the anti-off plate 27 through the bolt component 26, and the problem that the hook 24 is unhooked due to angle problem when the anti-falling device 3 is connected to the weight to prevent the weight from falling accidentally is avoided, and the occurrence of safety accidents is avoided, the practicability of the hanging device is improved, the shaft 23 is rotated inside the connecting disc 22, the problem that the angle of the device cannot be flexibly adjusted when being connected is avoided, the rubber block 25 is set, and the abrasion of the hook 24 caused when being connected is further reduced, the practicability of the device is improved, when using the bolt component 26, the pin rod 261 is separated from the pin seat 264 by pulling the pin rod 261, and the pin rod 261 cancels the limitation of the pin seat 264, at this time, the anti-off plate 27 can be separated from the hook 24, the hook 24 can be connected with the weight, the safety performance is improved, and unhooking is prevented, the utility model adjusts the well rig worker high-altitude operation safety device, when using the moving component 4, the connecting block 42 is driven to move synchronously by the driving motor 48 and the screw rod 47, the device can be adjusted in position according to different hoisting positions, the convenience is improved, the working efficiency is higher, the fixed plate 44 is connected with the fixed shaft 43, the strength of the component connection is further strengthened, the top connection of the anti-falling device 3 cannot be separated, and the practicability of the device is improved, when the screw rod 47 is rotated to drive the threaded cylinder 46 to move, the limiting block can effectively prevent the threaded cylinder 46 from separating from the inside of the fixed frame 41, and the stability of the component is improved, when the rotating frame 5 rotates, the driving motor 48 does not deviate from the position under the action of the fixed base, and the use stability is improved.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A falling protection device for hoisting heavy objects, comprising a support (1), the bottom of the support (1) is provided with a mounting seat (8), the top of the support (1) is provided with a support plate (6), the inside of the support plate (6) is provided with a rotating frame (5), the bottom of the rotating frame (5) is provided with a shaft sleeve (7), one side of the rotating frame (5) is provided with a fall arrester (3), characterized in that: The top of the rotating frame (5) is provided with a moving assembly (4), and the bottom of the anti-falling device (3) is provided with an anti-falling assembly (2).

2. A fall arrest safety device for hoisting heavy objects as claimed in claim 1 wherein: The anti-falling assembly (2) comprises a limiting frame (21), a connecting disc (22), a rotating shaft (23), a hook (24), a rubber block (25), a bolt assembly (26), an anti-falling plate (27) and a torsional spring (28), wherein the bottom of the anti-falling device (3) is provided with the limiting frame (21), the bottom of the limiting frame (21) is provided with the connecting disc (22), the inside of the connecting disc (22) is provided with the rotating shaft (23), the bottom of the connecting disc (22) is provided with the hook (24), the inner wall of the hook (24) is provided with the rubber block (25), one side of the hook (24) is provided with the anti-falling plate (27), the top of the anti-falling plate (27) is provided with the torsional spring (28), and the connecting position of the anti-falling plate (27) and the hook (24) is provided with the bolt assembly (26).

3. A fall arrest safety device for hoisting heavy objects as claimed in claim 2 wherein: The bolt assembly (26) comprises a pin rod (261), a pin groove (262), a rubber sheet (263) and a pin seat (264), wherein the surface of the anti-falling plate (27) is provided with the pin groove (262), the inside of the pin groove (262) is provided with the pin rod (261), the bottom of the pin groove (262) is provided with the rubber sheet (263), and the bottom of the rubber sheet (263) is provided with the pin seat (264).

4. A fall arrest safety device for hoisting heavy objects as claimed in claim 1, wherein: The moving assembly (4) comprises a fixed frame (41), a connecting block (42), a fixed shaft (43), a fixed plate (44), a connecting plate (45), a threaded cylinder (46), a screw rod (47) and a driving motor (48), wherein the top of the rotating frame (5) is provided with the fixed frame (41), the inside of the fixed frame (41) is provided with the driving motor (48), the output end of the driving motor (48) is provided with the screw rod (47), the surface of the screw rod (47) is provided with the threaded cylinder (46), one side surface of the threaded cylinder (46) is provided with the connecting block (42), the inside of the connecting block (42) is provided with the fixed shaft (43), both sides of the fixed shaft (43) are provided with the fixed plate (44), and the bottom of the fixed plate (44) is provided with the connecting plate (45).

5. A fall arrest safety device for hoisting heavy objects as claimed in claim 4 wherein: The top surface of the threaded cylinder (46) is provided with a limiting block.

6. A fall arrest safety device for hoisting heavy objects as claimed in claim 4 wherein: The bottom of the driving motor (48) is provided with a fixed base.

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