CN215287573U - Construction elevator safety brake device - Google Patents
Construction elevator safety brake device Download PDFInfo
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- CN215287573U CN215287573U CN202121425381.XU CN202121425381U CN215287573U CN 215287573 U CN215287573 U CN 215287573U CN 202121425381 U CN202121425381 U CN 202121425381U CN 215287573 U CN215287573 U CN 215287573U
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- driving motor
- brake box
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Abstract
The utility model discloses a construction elevator safety brake device, which comprises a brake box, one side of the brake box is provided with a driving motor, one end of the driving motor is rotationally connected with a lead screw, the lead screw is in threaded connection with a moving ring, the moving ring is provided with two, two moving ring bottoms are fixedly connected with brake arms, one side of the brake arms is provided with an arc-shaped fixed block, one side of the arc-shaped fixed block is provided with a brake lining, the inside of the brake box is provided with a fixed base, the inside of the fixed base is provided with a speed inductor, the speed inductor is electrically connected with the driving motor, one side of the outside of the brake box is provided with a resistance reduction groove, and the air resistance of the brake box can be greatly reduced through the resistance reduction groove arranged outside the brake box, so that a part of power of a construction elevator car is saved to a great extent, and the construction process is carried out, more power can be distributed for transporting construction materials and construction personnel.
Description
Technical Field
The utility model belongs to the technical field of elevator safety braking, concretely relates to construction elevator safety braking device.
Background
The construction elevator safety device is an important safety device of an elevator, the safety and the reliability of the construction elevator safety device are one of important factors for ensuring the safe operation of the elevator, when the construction elevator suddenly drops during descending, a centrifugal block in the anti-falling safety device is thrown around under the condition of over-high rotating speed and is clamped on a cone hub to drive the cone hub to rotate together and generate friction for braking, and then the braking distance can be calculated through the compression condition of a butterfly spring in the anti-falling safety device.
The material transportation and the up-and-down movement of people in the existing building construction basically adopt the form of an elevator, the traditional elevator for the lifting construction can be widely used in the building due to the adoption of an anti-falling safety device, the elevator is operated by a car driven by a motor, a centrifugal block is pulled by a spring, only when the rotating speed during the descending exceeds a certain limit, the centrifugal block overcomes the elastic force of the spring under the condition of the centrifugal force, throws out the spring all around and is clamped with a cone drum on the cone hub, then the cone hub is driven to rotate together and is braked by friction, the spring is easy to be subjected to a certain stretching action due to the centrifugal force when the speed is not limited, the spring is easy to lose efficacy or weaken the elasticity along with the up-and-down lifting and acceleration and deceleration movement of the elevator, thereby the braking effect is easy to be triggered, and meanwhile, the spring is used for pulling and is always in a stretching state after the centrifugal block is clamped with the cone drum, therefore, under the condition of high-speed rotation, the spring has certain torsion resistance, so that the spring also deforms, and the use of the anti-falling safety device is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a construction elevator safety brake device to what put forward among the above-mentioned background art of solution causes the spring to produce easily and warp at the tenesmus in-process, thereby leads to the problem that safety brake device can't carry out normal work.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a construction elevator safety brake device, includes the brake box, brake box one side is provided with driving motor, driving motor one end is rotated and is connected with the lead screw, lead screw thread connection has the shift ring, the shift ring is provided with two, two the equal fixedly connected with brake arm in shift ring bottom, brake arm one side is provided with the arc fixed block, arc fixed block one side is provided with the contracting brake piece, the inside unable adjustment base that is provided with of brake box, the inside speed inductor that is provided with of unable adjustment base, speed inductor and driving motor are electric connection, the outside one side of brake box is provided with the resistance reduction groove, the resistance reduction groove is provided with two, brake box one side is provided with the observation panel.
Preferably, a traction sheave is arranged in the brake box, a traction rope is connected in the traction sheave in a sliding manner, and the number of the traction rope is two.
Preferably, the upper end and the lower end of the brake box are provided with four traction holes, the four traction holes are uniformly distributed at the upper end and the lower end of the brake box, and the four traction holes are internally provided with traction ropes in a penetrating manner.
Preferably, the surface of the screw rod is provided with threads in opposite directions, a lantern ring is arranged outside the screw rod, and the lantern ring is arranged in the middle of the screw rod.
Preferably, the number of the brake arms is two, the bottom ends of the two brake arms are rotatably connected with a rotating shaft, and the other end of the rotating shaft is rotatably connected with a fixed base.
Preferably, a protective shell is arranged outside the driving motor, and the other end of the screw rod is rotatably connected to one side inside the brake box.
Preferably, both ends of the speed sensor are provided with fixing rods, and the fixing rods penetrate through the fixing base.
Compared with the prior art, the utility model provides a construction elevator safety brake device possesses following beneficial effect:
1. the utility model discloses a brake arm that sets up, need reciprocating regularly at construction elevator in the operation process to carry construction material and constructor with this, through the driving motor that braking case one side set up, can utilize driving motor's rotation and then drive the lead screw rotation that driving motor one end set up, utilize the screw thread of the opposite direction that the lead screw surface set up, can make the shift ring of lead screw external screw thread connection remove, thereby make the brake arm of shift ring bottom end fixed connection carry out relative motion, can drive the brake block clamp driving sheave of brake arm inboard, make driving sheave stall, thereby realize the safety braking to construction elevator, the safe operation of construction elevator has been guaranteed effectively;
2. the utility model discloses a speed inductor who sets up, when construction elevator loses control and drops suddenly in the normal operating process, through the speed inductor that the brake incasement portion set up, can be timely calculate the real-time operating speed of construction elevator, when the operating speed of construction elevator exceeds the setting value, through the driving motor of speed inductor one end electric connection, can be timely start driving motor, thereby make the brake arm work, carry out emergency braking to the driving sheave, make construction elevator can carry out safe removal, the accident that the brake case trouble leads to construction elevator to drop has effectively been prevented from taking place, constructor's safety has been greatly improved;
3. the utility model discloses a resistance reduction groove that sets up, when construction elevator car is when the operation, because the volume of brake box is great, the air resistance that receives is also great, consequently the power that consumes is also great with electric power, through the resistance reduction groove that the brake box set up outward, the air resistance of reduction brake box that can be great, make construction elevator car save partly power at to a great extent, make in the work progress, can distribute more electric power and be used for transporting construction material and constructor, on the other hand, also can reduce because air friction and the heat that leads to producing causes the influence to inside inductor.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a safety brake device of a construction elevator provided by the utility model;
fig. 2 is a cross-sectional view of a safety brake device of a construction elevator provided by the utility model;
fig. 3 is a side view of a safety brake device of a construction elevator according to the present invention;
fig. 4 is an enlarged view of a in fig. 2 of a safety brake device of a construction elevator according to the present invention;
in the figure: 1. a brake box; 2. a viewing panel; 3. a drawing hole; 4. a hoisting rope; 5. a resistance reducing groove; 6. a drive motor; 7. a screw rod; 8. fixing the rod; 9. a moving ring; 10. a collar; 11. a brake arm; 12. an arc-shaped fixed block; 13. a contracting brake pad; 14. a fixed base; 15. a rotating shaft; 16. a traction sheave; 17. a speed sensor; 18. and (4) protecting the shell.
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. 1-4, the present invention provides a solution: a safety brake device of a construction elevator comprises a brake box 1, a driving motor 6 is arranged on one side of the brake box 1, one end of the driving motor 6 is rotatably connected with a screw rod 7, the screw rod 7 is in threaded connection with a moving ring 9, the moving ring 9 is provided with two moving rings, the bottom ends of the two moving rings 9 are fixedly connected with brake arms 11, one side of each brake arm 11 is provided with an arc-shaped fixed block 12, one side of each arc-shaped fixed block 12 is provided with a brake lining 13, a fixed base 14 is arranged inside the brake box 1, a speed sensor 17 is arranged inside the fixed base 14, the speed sensor 17 is electrically connected with the driving motor 6, one side outside the brake box 1 is provided with two resistance reduction grooves 5, one side of the brake box 1 is provided with an observation panel 2, so that the air resistance of the brake box 1 can be greatly reduced, a part of power of a construction elevator car can be saved to a great extent, and the construction process can be carried out, more power can be distributed for transporting construction materials and construction personnel.
The utility model discloses in, preferred, 1 inside traction sheave 16 that is provided with of brake box, the inside sliding connection of traction sheave 16 has towline 4, and towline 4 is provided with two, can provide sufficient power for the construction elevator.
The utility model discloses in, preferred, both ends all are provided with traction hole 3 about braking case 1, and traction hole 3 is provided with four, and four traction hole 3 evenly distributed are at braking case 1 upper and lower both ends, and four traction hole 3 are inside all to run through and to be provided with towline 4, can promote construction elevator transport construction material's ability effectively.
The utility model discloses in, preferred, 7 surfaces of lead screw are provided with opposite direction's screw thread, and 7 external lantern rings 10 that are provided with of lead screw, lantern ring 10 set up at 7 intermediate positions of lead screw, can prevent that two brake arms 11 from colliding.
The utility model discloses in, preferred, brake arm 11 is provided with two, and two 11 bottoms of brake arm are all rotated and are connected with pivot 15, and the pivot 15 other end is rotated and is connected with unable adjustment base 14, can drive 11 inboard band-type brake pieces 13 of brake arm and press from both sides tight driving sheave 16, make driving sheave 16 stall to the realization is to the safety brake of construction elevator.
The utility model discloses in, preferred, driving motor 6 is provided with protecting sheathing 18 outward, and the lead screw 7 other end rotates to be connected in the inside one side of brake box 1, can make lead screw 7 external threaded connection's shift ring 9 remove to make shift ring 9 bottom fixed connection's brake arm 11 carry out relative motion.
The utility model discloses in, preferred, speed sensor 17 both ends all are provided with dead lever 8, and dead lever 8 runs through the setting inside unable adjustment base 14, can protect speed sensor 17 effectively.
The utility model discloses a theory of operation and use flow: when the construction elevator is used, the construction elevator needs to move up and down frequently in the running process so as to carry construction materials and constructors, the driving motor 6 arranged on one side of the brake box 1 can be used for driving the screw rod 7 arranged at one end of the driving motor 6 to rotate by utilizing the rotation of the driving motor 6, the moving ring 9 connected with the external thread of the screw rod 7 can be moved by utilizing the screw thread in the opposite direction arranged on the surface of the screw rod 7, so that the brake arm 11 fixedly connected with the bottom end of the moving ring 9 carries out relative motion, the internal contracting brake sheet 13 of the brake arm 11 can be driven to clamp the traction wheel 16, the traction wheel 16 stops rotating, the safe braking of the construction elevator is realized, the safe running of the construction elevator is effectively ensured, and when the construction elevator loses control and suddenly drops in the normal running process, the speed sensor 17 arranged in the brake box 1 is used for carrying out the safe braking of the construction elevator, the real-time running speed of the construction elevator can be measured and calculated in time, when the running speed of the construction elevator exceeds a set value, the driving motor 6 electrically connected with one end of the speed inductor 17 can be started in time, so that the braking arm 11 works to emergently brake the traction sheave 16, the construction elevator can safely move, accidents that the construction elevator falls off due to faults of the braking box 1 are effectively prevented, the safety of constructors is greatly improved, when the construction elevator car runs, the air resistance is large due to the large volume of the braking box 1, the consumed power and the consumed power are large, the air resistance of the braking box 1 can be greatly reduced through the anti-drag groove 5 arranged outside the braking box 1, a part of power of the construction elevator car is saved to a great extent, and during the construction process, more power can be distributed for transporting construction materials and construction personnel, and on the other hand, the influence of heat generated due to air friction on the internal inductor element can be reduced.
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 (7)
1. The utility model provides a construction elevator safety brake device, includes brake box (1), its characterized in that: a driving motor (6) is arranged on one side of the brake box (1), one end of the driving motor (6) is rotationally connected with a screw rod (7), the screw rod (7) is externally threaded with two moving rings (9), the bottom ends of the two moving rings (9) are fixedly connected with brake arms (11), an arc-shaped fixed block (12) is arranged on one side of the brake arm (11), a brake contracting sheet (13) is arranged on one side of the arc-shaped fixed block (12), a fixed base (14) is arranged in the brake box (1), a speed sensor (17) is arranged in the fixed base (14), the speed inductor (17) is electrically connected with the driving motor (6), one side of the outer part of the brake box (1) is provided with a resistance reducing groove (5), the anti-drag groove (5) is provided with two, and one side of the brake box (1) is provided with an observation panel (2).
2. The safety brake device of a construction elevator according to claim 1, wherein: the brake box (1) is internally provided with a traction sheave (16), the traction sheave (16) is internally connected with two traction ropes (4) in a sliding manner, and the number of the traction ropes (4) is two.
3. The safety brake device of a construction elevator according to claim 2, wherein: both ends all are provided with traction hole (3) about brake box (1), traction hole (3) are provided with four, four traction hole (3) evenly distributed is at both ends about brake box (1), four traction hole (3) inside all runs through and is provided with towline (4).
4. The safety brake device of a construction elevator according to claim 1, wherein: the surface of the screw rod (7) is provided with threads in opposite directions, a lantern ring (10) is arranged outside the screw rod (7), and the lantern ring (10) is arranged in the middle of the screw rod (7).
5. The safety brake device of a construction elevator according to claim 1, wherein: brake arm (11) are provided with two, two brake arm (11) bottom all rotates and is connected with pivot (15), pivot (15) other end rotates and is connected with unable adjustment base (14).
6. The safety brake device of a construction elevator according to claim 1, wherein: a protective shell (18) is arranged outside the driving motor (6), and the other end of the screw rod (7) is rotatably connected to one side inside the brake box (1).
7. The safety brake device of a construction elevator according to claim 1, wherein: both ends of the speed inductor (17) are provided with fixing rods (8), and the fixing rods (8) penetrate through the fixing base (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425381.XU CN215287573U (en) | 2021-06-25 | 2021-06-25 | Construction elevator safety brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425381.XU CN215287573U (en) | 2021-06-25 | 2021-06-25 | Construction elevator safety brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215287573U true CN215287573U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121425381.XU Active CN215287573U (en) | 2021-06-25 | 2021-06-25 | Construction elevator safety brake device |
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| CN (1) | CN215287573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455419A (en) * | 2022-02-22 | 2022-05-10 | 国新电梯科技股份有限公司 | Elevator speed limiter |
-
2021
- 2021-06-25 CN CN202121425381.XU patent/CN215287573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455419A (en) * | 2022-02-22 | 2022-05-10 | 国新电梯科技股份有限公司 | Elevator speed limiter |
| CN114455419B (en) * | 2022-02-22 | 2023-10-27 | 国新电梯科技股份有限公司 | Elevator speed limiter |
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