CN218145198U

CN218145198U - Elevator maintenance personnel anti-falling device

Info

Publication number: CN218145198U
Application number: CN202222149673.6U
Authority: CN
Inventors: 李红林; 龚玲; 徐锐; 刘威
Original assignee: Wuhan Yangcheng Technology Co ltd
Current assignee: Wuhan Yangcheng Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-27
Anticipated expiration: 2032-08-15

Abstract

The utility model provides an elevator maintenance personnel anti-falling device. Elevator dimension guarantor personnel anti-falling device includes box, case lid, micro motor, braces, restraint mechanism and haulage rope, and fixed surface is connected with the case lid before the box, and fixed surface is connected with micro motor before the case lid, and the micro motor output shaft passes inside the case lid extends to the box, and fixed surface is connected with the braces behind the box, and the box top is equipped with restraint mechanism, and restraint mechanism and box fixed connection have the haulage rope on the subassembly on the restraint mechanism. The utility model discloses, through addding the box, box internally mounted has the reel, and box externally mounted has restraint mechanism, fixes the one end of safety belt on the reel and surplus safety belt is convoluteed on the reel, and the safety belt other end stretches out from the pull mouth on the box and is S and walks around the different subassemblies on the restraint mechanism in proper order, can effectively control the length that the safety belt pulled out from the box through restraint mechanism.

Description

Elevator maintenance personnel anti-falling device

Technical Field

The utility model relates to an elevator dimension protects technical field, especially relates to an elevator dimension protects personnel anti-falling device.

Background

The elevator is very popular in our daily life and begins to play more and more important role gradually, for guaranteeing the safe operation of elevator, elevator maintenance needs to be frequent very much, more frequent elevator maintenance as long as get into the elevator well to the power unit at elevator car top inspect maintain can, but need maintenance personnel to get into the inside deep place of elevartor shaft at every interval, maintain and inspect every floor of elevator stopping point, because high altitude construction, need certain safety equipment in order to guarantee maintenance personnel's safety.

The existing anti-falling device is inconvenient for an operator to actively adjust the length of the safety belt in use and is inconvenient in use.

Therefore, it is necessary to provide a new anti-falling device for elevator maintenance personnel to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an elevator dimension personnel anti-falling device.

The utility model provides an elevator maintenance personnel anti-falling device includes: box, case lid, micro motor, braces, restraint mechanism and haulage rope, the box front surface is equipped with the case lid, case lid and box fixed connection, and case lid front surface fixed connection has micro motor, and the micro motor output shaft passes inside the case lid extends to the box, and box rear surface fixed connection has the braces, and the box top is equipped with restraint mechanism, and restraint mechanism and box fixed connection have the haulage rope on the subassembly on the restraint mechanism.

Preferably, the box is of a circular cavity structure, the top of the side face of the box is provided with a drawing opening, the center of the bottom inside the box is rotatably connected with a winding drum, and the output shaft of the micro motor is fixedly connected with one end of the winding drum.

Preferably, restraint mechanism includes support, roof and injects the mechanism, and the support has two sets ofly, and two sets of supports are Y type structure symmetric distribution, are equipped with the roof above two sets of supports, and both ends are connected with two sets of supports an organic whole respectively about the roof, and balanced mouth has been seted up to roof upper surface center department.

Preferably, the left end and the right end of the front side face and the rear side face of the top plate are respectively provided with a retaining ring, the retaining rings are fixedly connected with the top plate, a limiting mechanism is arranged between the two groups of supports, and the limiting mechanism is fixedly connected with the two groups of supports respectively.

Preferably, the limiting mechanism comprises a fixing plate, shaft rods, supporting rods and a lantern ring, two groups of limiting grooves are formed in the front surface of the fixing plate, the fixing plate is two groups, five groups of shaft rods are symmetrically arranged on the two groups of fixing plates, and two ends of the three groups of shaft rods are rotatably connected with the two groups of fixing plates respectively.

Preferably, the fixed plate top is equipped with the bracing piece, and a plurality of groups recesses have been seted up to the fixed plate upper surface, and the recess is inside to be equipped with extension spring, extension spring one end and fixed plate fixed connection, the extension spring other end and bracing piece fixed connection, and bracing piece lower surface an organic whole is connected with two sets of lantern rings.

Preferably, the middle of each of the three sets of shaft levers rotationally connected with the fixing plate is provided with another two sets of shaft levers, two ends of each of the two sets of shaft levers are respectively sleeved in the sleeve rings and rotationally connected with the support rod, and the outer portions of all the shaft levers are sleeved with the shaft sleeves which are fixedly connected with the shaft levers.

Preferably, two ends of the upper surface of the support rod are respectively fixed on the support rod through rivets, and the other ends of all the traction ropes respectively penetrate through corresponding buckles to be fixedly connected to one end of the pull rod.

Compared with the prior art, the utility model provides an elevator dimension personnel anti-falling device has following beneficial effect:

through addding the box, install the braces on the box, box internally mounted has the reel, box externally mounted has restraint mechanism, fix the one end of safety belt on the reel and surplus safety belt is convoluteed on the reel, the safety belt other end stretches out to be S from the pull mouth on the box and walks around the different subassemblies on the restraint mechanism in proper order, length that the safety belt can effectively be controlled from the pull of box through restraint mechanism, make the safety belt adjust length as required, facilitate the use, install micro motor on the case lid simultaneously, micro motor can drive the reel and rotate, realize that the reel drives the function of the automatic rolling of safety belt, thereby realize the function that the control safety belt shortens, the length of the inconvenient operating personnel initiative regulation safety belt of current anti-falling device in use has effectively been solved, inconvenient problem in the use.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an anti-falling device for elevator maintenance personnel provided by the present invention;

FIG. 2 is a schematic structural view of the interior of the middle box body of the present invention;

FIG. 3 is a schematic structural view of a restraint mechanism of the present invention;

fig. 4 is a schematic view of the structure splitting of the middle limiting mechanism of the present invention.

The reference numbers in the figures: 1. a box body; 2. a box cover; 3. a micro motor; 4. a harness; 5. a restraint mechanism; 6. a pull rod; 7. a hauling rope; 8. drawing the opening; 9. a reel; 10. a support; 11. a top plate; 12. a balancing port; 13. a retaining ring; 14. a limiting mechanism; 15. a fixing plate; 16. defining a slot; 17. an extension spring; 18. a support bar; 19. a collar; 20. a shaft lever; 21. and a shaft sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an elevator maintenance personnel fall protection device provided by the present invention; FIG. 2 is a schematic view of the structure inside the middle box body of the present invention; FIG. 3 is a schematic structural view of a restraint mechanism of the present invention; fig. 4 is a schematic view of the structure splitting of the limiting mechanism of the present invention.

In the specific implementation process, as shown in fig. 1 and fig. 2, the safety belt protection device comprises a box body 1, a box cover 2, a micro motor 3, straps 4, a restraint mechanism 5 and a traction rope 7, wherein the box cover 2 is arranged on the front surface of the box body 1, the box cover 2 is fixedly connected with the box body 1, the micro motor 3 is fixedly connected with the front surface of the box cover 2, an output shaft of the micro motor 3 penetrates through the box cover 2 and extends to the inside of the box body 1, the straps 4 are fixedly connected with the rear surface of the box body 1, the restraint mechanism 5 is arranged above the box body 1 and is fixedly connected with the box body 1, the traction rope 7 is tied on a subassembly on the upper portion of the restraint mechanism 5, a worker can back the box body 1 through the straps 4 without hindering the use of two hands of the worker, the box body 1 is of a circular cavity structure, a drawing opening 8 is formed in the top of the side surface of the box body 1, a winding drum 9 is rotatably connected at the center of the bottom inside of the box body 1, the micro motor 3 is fixedly connected with one end of the winding drum 9, one end of the safety belt can be fixedly connected with the winding drum 9, the remaining portion of the winding drum 9, and the other end of the safety belt is wound on the winding drum 9, and the other end of the safety belt extends to the outside of the box body 1 through the drawing opening 8 and is connected with the restraint mechanism 5.

Referring to fig. 3, the restraint mechanism 5 includes a support 10, a top plate 11 and a limiting mechanism 14, the support 10 has two sets, the two sets of supports 10 are symmetrically distributed in a Y-shaped structure, the top plate 11 is arranged above the two sets of supports 10, the left end and the right end of the top plate 11 are respectively connected with the two sets of supports 10 integrally, a balance port 12 is formed in the center of the upper surface of the top plate 11, the safety belt passes through the restraint mechanism 5 and then comes out from the balance port 12, the safety belt is guaranteed to be located in the middle of the device, and the stress direction of the device and the stress direction of gravity are on the same straight line, so that the balance of the device is guaranteed.

The support 10 is installed on the box body 1 through a fixing bolt, the support 10 needs to bear large force as the support of the constraint mechanism 5, the left end and the right end of the front side face and the right end of the back side face of the top plate 11 are respectively provided with a retaining ring 13, the retaining rings 13 are fixedly connected with the top plate 11, a limiting mechanism 14 is arranged between the two groups of supports 10, the limiting mechanism 14 is respectively and fixedly connected with the two groups of supports 10, the retaining rings 13 are mainly used for guiding the stress direction of the traction ropes 7, so that the two groups of support rods 18 can be stressed uniformly, the limiting mechanism 14 comprises a fixing plate 15, shaft rods 20, the support rods 18 and a sleeve ring 19, two groups of limiting grooves 16 are formed in the front surface of the fixing plate 15, the fixing plate 15 is provided with two groups, the two groups of fixing plates 15 are symmetrically arranged, five groups of shaft rods 20 are arranged between the two groups of fixing plates 15, two ends of the three groups of shaft rods 20 are respectively and rotatably connected with the two groups of fixing plates 15, when the five groups of shaft rods 20 are not located on the same horizontal plane, the two adjacent groups of shaft sleeves 21 are staggered and do not contact, and the shaft rods 20 can rotate normally.

Referring to fig. 3 and 4, a supporting rod 18 is disposed above the fixing plate 15, a plurality of sets of grooves are disposed on the upper surface of the fixing plate 15, an extension spring 17 is disposed inside each groove, one end of the extension spring 17 is fixedly connected with the fixing plate 15, the other end of the extension spring 17 is fixedly connected with the supporting rod 18, two sets of lantern rings 19 are integrally connected to the lower surface of the supporting rod 18, the supporting rod 18 and the fixing plate 15 are tightly attached to each other by the extension spring 17 in a natural state, at this time, two sets of shaft rods 20 connected to the supporting rod 18 and three sets of shaft rods 20 connected to the fixing plate 15 are located on the same horizontal line, and the shaft sleeves 21 on the shaft rods 20 are mutually squeezed to have a large friction force, so that the shaft rods 20 cannot easily rotate, and the safety belt penetrates through the box body 1 from the drawing opening 8 in a wavy manner, sequentially penetrates through the five sets of adjacent shaft sleeves 21 and then penetrates through the balancing opening 12, and is finally tied to a fixing device in an elevator shaft.

Wherein, be equipped with another two sets of axostylus axostyles 20 respectively in the middle of the three sets of axostylus axostyles 20 that rotate to be connected with fixed plate 15, and these two sets of axostylus axostyles 20 both ends are located respectively in the lantern ring 19 and are connected with bracing piece 18 rotation, all axostylus axostyles 20 outside all overlaps and are equipped with axle sleeve 21, axle sleeve 21 and axostylus axostyle 20 fixed connection, and axle sleeve 21 adopts rubber materials to make, has certain elasticity, and frictional force between each other is great, 18 upper surface both ends of bracing piece are respectively through the one end of fix with rivet haulage rope 7 on bracing piece 18, and all haulage rope 7 other ends pass corresponding buckle 13 fixed connection in 6 one end of pull rod respectively, and the operator can stimulate two sets of bracing pieces 18 of bracing pieces simultaneously through pull 6 and move, and buckle 13 can make haulage rope 7 keep upwards to the force of bracing piece 18 application.

The utility model provides a theory of operation as follows: before using, fix one end of the safety belt on the reel 9, the rest safety belt is wound on the reel 9, the other end of the safety belt penetrates out from the drawing opening 8, sequentially bypass five groups of shaft sleeves 21 in the restraint mechanism 5, finally penetrate out from the device through the balance opening 12 and are fixed well on the device which is firm at the position of the elevator shaft opening, then the box body 1 is sealed by the box cover 2, the output shaft of the micro motor 3 is connected with the reel 9, a worker backs the box body 1 on the back through the straps 4, when the worker moves downwards and needs to extend the safety belt, the traction rope 7 is drawn by the pull rod 6, the traction rope 7 drives the support rod 18 to overcome the upward movement of the tension spring 17 and synchronously move the two groups of shaft rods 20 connected with the support rod upwards, a certain gap is formed between the adjacent groups of shaft rods 20, the safety belt can drive the shaft rods 20 to rotate by means of friction force between the shaft sleeves 21 to achieve the purpose of drawing the safety belt, the safety belt needs to rise after the worker descends to a certain distance, and when the safety belt needs to be shortened, the micro motor 3 is started, the reel 9 is driven to rotate to wind the safety belt inside the box body 1.

The utility model discloses in micro motor circuit and control that relate to be prior art, do not carry out too much repeated description here.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An elevator maintenance personnel anti-falling device, comprising: box (1), case lid (2), micro motor (3), braces (4), restraint mechanism (5) and haulage rope (7), its characterized in that, box (1) front surface is equipped with case lid (2), case lid (2) and box (1) fixed connection, case lid (2) front surface fixed connection has micro motor (3), micro motor (3) output shaft passes case lid (2) and extends to inside box (1), box (1) rear surface fixed connection has braces (4), box (1) top is equipped with restraint mechanism (5), restraint mechanism (5) and box (1) fixed connection, there are haulage rope (7) on restraint mechanism (5) upper portion subassembly.

2. The anti-falling device for the elevator maintenance personnel as claimed in claim 1, wherein the box body (1) is of a circular cavity structure, the top of the side surface of the box body (1) is provided with a drawing opening (8), the center of the bottom inside the box body (1) is rotatably connected with a winding drum (9), and the output shaft of the micro motor (3) is fixedly connected with one end of the winding drum (9).

3. The fall preventing device for the elevator maintenance personnel according to claim 1, characterized in that the restraining mechanism (5) comprises two groups of brackets (10), a top plate (11) and a limiting mechanism (14), the brackets (10) are arranged in two groups, the brackets (10) are symmetrically distributed in a Y-shaped structure, the top plate (11) is arranged above the two groups of brackets (10), the left end and the right end of the top plate (11) are respectively connected with the brackets (10) in an integrated manner, and a balancing port (12) is formed in the center of the upper surface of the top plate (11).

4. The anti-falling device for the elevator maintenance personnel according to claim 3, characterized in that the top plate (11) is provided with retaining rings (13) at the left and right ends of the front and back sides respectively, the retaining rings (13) are fixedly connected with the top plate (11), a limiting mechanism (14) is arranged between the two groups of brackets (10), and the limiting mechanism (14) is fixedly connected with the two groups of brackets (10) respectively.

5. The anti-falling device for the elevator maintenance personnel according to claim 3, characterized in that the limiting mechanism (14) comprises a fixing plate (15), a shaft rod (20), a supporting rod (18) and a sleeve ring (19), two groups of limiting grooves (16) are formed in the front surface of the fixing plate (15), two groups of fixing plates (15) are provided, two groups of fixing plates (15) are symmetrically arranged, five groups of shaft rods (20) are arranged between the two groups of fixing plates (15), and two ends of the three groups of shaft rods (20) are respectively connected with the two groups of fixing plates (15) in a rotating manner.

6. The anti-falling device for the elevator maintenance personnel according to claim 5, characterized in that a support rod (18) is arranged above the fixing plate (15), a plurality of sets of grooves are arranged on the upper surface of the fixing plate (15), a tension spring (17) is arranged in each groove, one end of each tension spring (17) is fixedly connected with the fixing plate (15), the other end of each tension spring (17) is fixedly connected with the support rod (18), and two sets of lantern rings (19) are integrally connected with the lower surface of each support rod (18).

7. The fall preventing device for elevator maintenance personnel according to claim 5, characterized in that the middle of three sets of shaft rods (20) rotatably connected with the fixing plate (15) is provided with another two sets of shaft rods (20), two ends of the two sets of shaft rods (20) are respectively sleeved in the lantern rings (19) and rotatably connected with the supporting rod (18), the outer parts of all the shaft rods (20) are sleeved with shaft sleeves (21), and the shaft sleeves (21) are fixedly connected with the shaft rods (20).

8. The anti-falling device for elevator maintenance personnel according to claim 5, characterized in that two ends of the upper surface of the supporting rod (18) are respectively fixed with one end of the traction rope (7) on the supporting rod (18) through rivets, and the other ends of all the traction ropes (7) are respectively fixed with one end of the pull rod (6) through the corresponding buckles (13).