CN216737077U - Mechanical top-impacting prevention device of construction elevator - Google Patents

Abstract

The utility model belongs to construction elevator field, especially, construction elevator machinery scour protection top installation to current machinery scour protection top installation inconvenience stops at the car in-process that rises fast, and can not short-term test whether take place out of control to dash the top, the great problem of potential safety hazard, the following scheme is proposed at present, and it includes base, elevator support frame, lift car, around establishing wheel, speed reduction control mechanism and block the mechanism, elevator support frame fixed mounting is at the top of base, the lift car sets up the one side at the elevator support frame, the top fixed mounting of base has the protection base, the roating groove has been seted up to one side of protection base, the roating seat is installed to the roating groove internal rotation, one side of roating seat with around establishing wheel fixed connection. The utility model discloses a machinery scour protection top installation is convenient to be stopped at the lift car in-process that rises fast, and can whether the short-term test takes place to push away out of control, and the potential safety hazard is less.

Description

Mechanical top-impacting prevention device of construction elevator

Technical Field

The utility model relates to a construction elevator technical field especially relates to a construction elevator machinery scour protection top mounted putting.

Background

The construction elevator is generally called a construction elevator, but the definition that the construction elevator includes is broader, and the construction platform also belongs to construction elevator series, and simple construction elevator comprises several parts such as car, actuating mechanism, standard festival, attaches the wall, chassis, rail, electric system, is the manned construction machinery that carries cargo that uses often in the building, and the lift is in the use, and the incident also takes place occasionally, has disclosed a construction elevator machinery anti-scour top device through retrieval application number 201220642431.4, including installing the support on the guide rail frame, the welding of support both sides limit has the channel-section steel, the channel-section steel has rubber buffer spring, but the machinery anti-scour top device among the above-mentioned prior art is inconvenient to be blocked in the car fast ascent in-process, and can not the short-term test whether to take place the top of rushing out of control, and the potential safety hazard is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical top-rushing prevention device of a construction elevator.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a construction elevator machinery anti-collision device, includes base, lift support frame, lift car, winds and establishes wheel, speed reduction control mechanism and stop gear, lift support frame fixed mounting is at the top of base, the lift car sets up the one side at the lift support frame, the top fixed mounting of base has protection base, the swivelling chute has been seted up to one side of protection base, the roating seat is installed to the swivelling chute internal rotation, one side of roating seat with wind and establish wheel fixed connection, wind and establish on the wheel fixedly connected with and detect the safety rope, the one end fixed connection that detects the safety rope is at the top of lift car, speed reduction control mechanism sets up on the protection base, speed reduction control mechanism is connected with the roating seat, stop gear sets up on the lift support frame, stop gear and lift car and be connected, speed reduction control mechanism includes two friction blocks that slow down, Two racks II, a gear II and a screw rod II are arranged, two grooves are formed in the inner wall of the rotating groove, a friction speed reducing block is arranged in each groove in a sliding mode, a control cavity is formed in the protection base, two sliding holes are formed in the inner wall of one side of the control cavity, a moving strip is arranged in each sliding hole in a sliding mode, and one end of each moving strip is fixedly arranged on the corresponding friction speed reducing block.

Specifically, two moving strips are fixedly provided with a second rack, a second gear is rotatably arranged in the control cavity and meshed with the two second racks, threaded grooves are formed in the friction speed reducing block, and a second screw rod is arranged in each threaded groove.

Specifically, stop mechanism includes that a plurality of rotates limiting plate, a plurality of buffer board, a plurality of worm wheel, a plurality of worm, a plurality of gear, rack one and lead screw one, a plurality of fixed slot has been seted up to one side of lift support frame, and equal slidable mounting has the rotation limiting plate in the a plurality of fixed slot, and the shifting chute has all been seted up to one side that a plurality of rotated the limiting plate.

Specifically, equal slidable mounting has the buffer board in the plurality of shifting chute, all rotates on the plurality of buffer board to install the gyro wheel, and equal fixed mounting has the spring on the plurality of buffer board, and spring fixed connection is on the inner wall of shifting chute, and equal fixed mounting has the worm wheel on the limiting plate is rotated to a plurality of, has all seted up the through-hole on one side inner wall of a plurality of fixed slot, all rotates in the plurality of through-hole and installs the actuating lever.

Specifically, the equal fixed mounting in one end of a plurality of actuating lever has the worm, the worm meshes with the worm wheel that corresponds, and the equal fixed mounting in the other end of a plurality of actuating lever has gear one, one side slidable mounting of lift support frame has rack one, rack one meshes with a plurality of gear one, thread groove one has been seted up to rack one's bottom, lead screw one is installed to a thread groove internal thread.

Specifically, a fixed cavity is formed in the base, one ends of the first screw rod and the second screw rod extend into the fixed cavity, a first belt wheel is fixedly mounted at the bottom end of the first screw rod, a second belt wheel is fixedly mounted at the bottom end of the second screw rod, a stepping motor is fixedly mounted in the fixed cavity, a third belt wheel is fixedly connected to an output shaft of the stepping motor, and the third belt wheel, the first belt wheel and the second belt wheel are in transmission connection with the same belt.

Specifically, there is the detection wheel around establishing one side fixed mounting of wheel, rotate on the detection wheel and install centrifugal pendulum rod, the one end fixed mounting of centrifugal pendulum rod has the contact, one side fixed mounting of lift support frame has contact switch, one side fixed mounting of centrifugal pendulum rod has the pressure spring, the one end fixed connection of pressure spring is on detecting the wheel.

Specifically, a sliding groove is formed in one side of the elevator supporting frame, a sliding block is fixedly mounted on one side of the first rack, and the sliding block is connected in the sliding groove in a sliding mode.

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

(1) the utility model discloses a construction elevator machinery scour protection top installation can carry out real-time supervision to the elevating speed of lift car with the help of detecting the safety rope to can in time make response and counter-measure when taking place to push against.

(2) The utility model discloses a construction elevator machinery scour protection top-mounting is put, and factor of safety is higher, can in time intercept the lift car that dashes the top.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings in the following description are illustrative only, and that the structures, proportions, sizes, and other elements shown in the drawings are incorporated herein by reference in their entirety for all purposes in the present disclosure, which are not intended to limit the scope of the invention, but rather are to be construed as being within the spirit and scope of the invention.

Fig. 1 is a schematic perspective view of a mechanical anti-collision device of a construction elevator according to the present invention;

fig. 2 is a schematic structural view of a mechanical anti-bumping device of a construction elevator in a front view;

fig. 3 is a schematic structural view of a detection wheel and a centrifugal swing rod of the mechanical anti-ejection device of the construction hoist provided by the utility model;

fig. 4 is a schematic structural view of a part a of a mechanical anti-bumping device of a construction elevator provided by the present invention;

fig. 5 is a schematic structural diagram of a part B of a mechanical anti-bumping device of a construction elevator provided by the utility model.

In the figure: 1. a base; 2. an elevator support frame; 3. a lift car is lifted; 4. a protective base; 5. a rotating base; 6. winding wheels; 7. detecting a safety rope; 8. detecting a wheel; 9. a contact switch; 10. centrifuging the swing rod; 11. rotating the limiting plate; 12. a buffer plate; 13. a roller; 14. a worm gear; 15. a worm; 16. a first gear; 17. a first rack; 18. a first screw rod; 19. a first belt wheel; 20. a friction deceleration block; 21. a second rack; 22. a second gear; 23. a second screw rod; 24. a second belt wheel; 25. a stepper motor.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Example one

Referring to fig. 1-5, a mechanical roof-guarding device of a construction elevator comprises a base 1, an elevator supporting frame 2, an elevator cage 3 and a winding wheel 6, wherein the elevator supporting frame 2 is fixedly arranged at the top of the base 1, the elevator cage 3 is arranged at one side of the elevator supporting frame 2, the top of the base 1 is fixedly provided with a protection base 4, one side of the protection base 4 is provided with a rotary groove, the rotary groove is rotatably provided with a rotary seat 5, one side of the rotary seat 5 is fixedly connected with the winding wheel 6, the winding wheel 6 is fixedly connected with a detection safety rope 7, one end of the detection safety rope 7 is fixedly connected with the top of the elevator cage 3, one side of the elevator supporting frame 2 is provided with a plurality of fixed grooves, a plurality of rotation limiting plates 11 are slidably arranged in the fixed grooves, and one side of the rotation limiting plates 11 is provided with a moving groove, buffer plates 12 are slidably mounted in the plurality of moving grooves, idler wheels 13 are rotatably mounted on the plurality of buffer plates 12, springs are fixedly mounted on the plurality of buffer plates 12, the springs are fixedly connected to the inner walls of the moving grooves, worm gears 14 are fixedly mounted on the plurality of rotating limiting plates 11, through holes are formed in the inner wall of one side of each of the plurality of fixing grooves, driving rods are rotatably mounted in the through holes, worms 15 are fixedly mounted at one ends of the driving rods, the worms 15 are meshed with the corresponding worm gears 14, gears 16 are fixedly mounted at the other ends of the driving rods, racks I17 are slidably mounted on one side of the elevator supporting frame 2, the racks I17 are meshed with the gears I16, thread grooves I are formed in the bottom ends of the racks I17, screw rods I18 are mounted in internal threads of the thread grooves, and two grooves are formed in the inner wall of the rotating groove, equal slidable mounting has friction speed reduction piece 20 in two recesses, the control chamber has been seted up on protection base 4, two slide holes have been seted up on one side inner wall in control chamber, and equal slidable mounting has the removal strip in two slide holes, the one end fixed mounting that removes the strip has rack two 21 on the friction speed reduction piece 20 that corresponds, equal fixed mounting has rack two 21 on two removal strips, control intracavity rotation installs gear two 22, gear two 22 and two rack two 21 meshes, the thread groove has been seted up on the friction speed reduction piece 20, lead screw two 23 are installed to the thread groove internal thread.

In this embodiment, a fixed cavity is formed in the base 1, one ends of the first screw rod 18 and the second screw rod 23 all extend into the fixed cavity, the first belt wheel 19 is fixedly installed at the bottom end of the first screw rod 18, the second belt wheel 24 is fixedly installed at the bottom end of the second screw rod 23, the stepping motor 25 is fixedly installed in the fixed cavity, the third belt wheel is fixedly connected to an output shaft of the stepping motor 25, and the third belt wheel, the first belt wheel 19 and the second belt wheel 24 are in transmission connection with the same belt.

In this embodiment, a detection wheel 8 is fixedly installed around one side of the wheel 6, a centrifugal swing rod 10 is rotatably installed on the detection wheel 8, a contact head is fixedly installed at one end of the centrifugal swing rod 10, and a contact switch 9 is fixedly installed at one side of the elevator supporting frame 2.

In this embodiment, the lift car 3 will pull the detection safety rope 7 during the rising process, the detection safety rope 7 drives the winding wheel 6 to rotate at a constant speed, when the abnormal speed of the lift car 3 rises, the rotation speed of the winding wheel 6 will be increased, the winding wheel 6 drives the detection wheel 8 to rotate at a high speed, the centrifugal swing rod 10 on the detection wheel 8 is thrown out by centrifugal force and rotates, the centrifugal swing rod 10 contacts with the contact switch 9, the contact switch 9 controls the step motor 25 to turn on, the step motor 25 drives the pulley three to rotate, the pulley three drives the belt to move, the belt drives the pulley two 24 and the pulley one 19 to rotate, the pulley one 19 drives the lead screw one 18 to rotate, the lead screw one 18 drives the rack one 17 to move, the rack one 17 drives the plurality of gears one 16 to rotate, the gear one 16 controls the worm 15 to rotate, the worm 15 drives the worm wheel 14 to rotate, the worm wheel 14 drives the rotation limiting plate 11 to unwind from the lift supporting frame 2 and drive the buffer plate 12 to rotate, the buffer plate 12 can prevent the lifting car 3 from continuously rising, meanwhile, the second belt wheel 24 drives the second screw rod 23 to rotate, the second screw rod 23 drives the friction speed reducing block 20 to move, the friction speed reducing block 20 drives the moving strip to move, the moving strip drives the other moving strip and the friction speed reducing block 20 to move through the meshing of the second rack 21 and the second gear 22, and the two friction speed reducing blocks 20 clamp the rotating base 5 and reduce the rotating speed of the rotating base.

The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses a machinery scour protection top device conveniently blocks at the lift car in-process that rises fast, and can whether the short-term test takes place to push away from the top out of control, and the potential safety hazard is less.

Example two

Referring to fig. 3, the difference between the second embodiment and the first embodiment is that a compression spring is fixedly installed at one side of the centrifugal swing link 10, and one end of the compression spring is fixedly connected to the detection wheel 8.

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 (8)

1. The utility model provides a construction elevator machinery anti-collision device, its characterized in that, include base (1), lift support frame (2), lift car (3), around establishing wheel (6), speed reduction control mechanism and stop gear, lift support frame (2) fixed mounting is at the top of base (1), lift car (3) set up in one side of lift support frame (2), the top fixed mounting of base (1) has protection base (4), the swivelling chute has been seted up to one side of protection base (4), swivel mount (5) are installed to the swivelling chute internal rotation, one side of swivel mount (5) with around establishing wheel (6) fixed connection, fixedly connected with detection safety rope (7) on around establishing wheel (6), the one end fixed connection of detecting safety rope (7) is at the top of lift car (3), speed reduction control mechanism sets up on protection base (4), the speed reduction control mechanism is connected with a rotating seat (5), the stopping mechanism is arranged on an elevator supporting frame (2), the stopping mechanism is connected with a lifting car (3), the speed reduction control mechanism comprises two friction speed reduction blocks (20), two racks (21), two gears (22) and two screw rods (23), two grooves are formed in the inner wall of a rotating groove, the friction speed reduction blocks (20) are arranged in the two grooves in a sliding mode, a control cavity is formed in a protection base (4), two sliding holes are formed in the inner wall of one side of the control cavity, a moving strip is arranged in the two sliding holes in a sliding mode, and one end of the moving strip is fixedly installed on the corresponding friction speed reduction blocks (20).

2. The mechanical anti-ejection device of the construction elevator as claimed in claim 1, wherein a second rack (21) is fixedly mounted on each of the two moving strips, a second gear (22) is rotatably mounted in the control cavity, the second gear (22) is meshed with the two second racks (21), a thread groove is formed in the friction speed reducing block (20), and a second lead screw (23) is mounted in the thread groove in a threaded manner.

3. The mechanical anti-ejection device of the construction elevator as claimed in claim 1, wherein the blocking mechanism comprises a plurality of rotation limiting plates (11), a plurality of buffer plates (12), a plurality of worm gears (14), a plurality of worms (15), a plurality of first gears (16), a first rack (17) and a first screw rod (18), a plurality of fixing grooves are formed in one side of the elevator supporting frame (2), the rotation limiting plates (11) are slidably mounted in the fixing grooves, and moving grooves are formed in one side of the rotation limiting plates (11).

4. The mechanical anti-ejection device of the construction elevator as claimed in claim 3, wherein the buffer plates (12) are slidably mounted in the plurality of moving grooves, the rollers (13) are rotatably mounted on the plurality of buffer plates (12), the springs are fixedly connected to the inner walls of the moving grooves, worm gears (14) are fixedly mounted on the plurality of rotating limiting plates (11), through holes are formed in one inner wall of each of the plurality of fixing grooves, and the driving rods are rotatably mounted in the plurality of through holes.

5. The mechanical top-impacting preventing device of the construction elevator as claimed in claim 4, wherein a worm (15) is fixedly mounted at one end of each of a plurality of driving rods, the worm (15) is meshed with a corresponding worm wheel (14), a first gear (16) is fixedly mounted at the other end of each of a plurality of driving rods, a first rack (17) is slidably mounted at one side of the elevator supporting frame (2), the first rack (17) is meshed with the first gears (16), a first thread groove is formed in the bottom end of the first rack (17), and a first screw rod (18) is mounted in the first thread groove through internal threads.

6. The mechanical top impact prevention device of the construction elevator as claimed in claim 5, wherein a fixed cavity is formed in the base (1), one ends of the first screw rod (18) and the second screw rod (23) both extend into the fixed cavity, a first belt wheel (19) is fixedly installed at the bottom end of the first screw rod (18), a second belt wheel (24) is fixedly installed at the bottom end of the second screw rod (23), a stepping motor (25) is fixedly installed in the fixed cavity, a third belt wheel is fixedly connected to an output shaft of the stepping motor (25), and the third belt wheel, the first belt wheel (19) and the second belt wheel (24) are in transmission connection with the same belt.

7. The mechanical anti-ejection device of the construction elevator according to claim 1, wherein the detection wheel (8) is fixedly installed around one side of the detection wheel (6), the centrifugal swing rod (10) is installed on the detection wheel (8) in a rotating manner, the contact head is fixedly installed at one end of the centrifugal swing rod (10), the contact switch (9) is fixedly installed at one side of the elevator support frame (2), the pressure spring is fixedly installed at one side of the centrifugal swing rod (10), and one end of the pressure spring is fixedly connected to the detection wheel (8).

8. The mechanical anti-ejection device of the construction elevator as claimed in claim 5, wherein a sliding groove is formed in one side of the elevator support frame (2), and a sliding block is fixedly mounted on one side of the first rack (17) and slidably connected in the sliding groove.

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