CN115893163B

CN115893163B - Safe type construction elevator

Info

Publication number: CN115893163B
Application number: CN202211361142.1A
Authority: CN
Inventors: 许四堆; 张纪豪; 许志翔; 姚晓琪; 石剑波
Original assignee: Fujian Liba Machinery Technology Co ltd
Current assignee: Fujian Liba Machinery Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2025-08-19
Anticipated expiration: 2042-11-02
Also published as: CN115893163A

Abstract

The invention relates to the technical field of construction elevators, in particular to a safe construction elevator which comprises a guide rail frame, a suspension cage, a transmission device and a shock-proof assembly. The anti-pinch device has the beneficial effects that the anti-pinch device can effectively prevent the feeding door from pinching workers under the door, and the normal operation of the anti-pinch device cannot be affected by power failure because of not depending on an electrical structure, so that the anti-pinch device has low failure rate and high safety coefficient. The anti-collision assembly has the effects of buffering, preventing the personnel driving the vehicle (operating the hopper car) from being injured, limiting the cross bar by the second limiting part when the cross bar continuously moves outwards due to larger impact, limiting the cross bar to move outwards, preventing the vehicle (hopper car) in the elevator from rushing out of the feeding door, and greatly improving the safety coefficient of the feeding door by arranging two safety measures of the buffer part and the second limiting part.

Description

Safe type construction elevator

Technical Field

The invention relates to the technical field of construction elevators, in particular to a safe construction elevator.

Background

The construction elevator is a tool for vertically transporting materials in building construction, is very common to use and comprises a bottom fence, a guide rail frame, a transmission device, a hanging cage, a safety device and the like, when the existing construction elevator is used, an electric power assisting vehicle is out of control and can break a feed door, so that a high falling safety production accident occurs, if the feed door is simply reinforced, when the electric power assisting vehicle collides with the feed door, a worker driving a vehicle (operating a trolley) is injured due to rigid collision, and secondly, the feed door of the existing hanging cage only pays attention to locking safety so as to ensure that the feed door cannot be opened when the construction elevator works, the limit on the feed door when the construction elevator does not work is ignored, and if the feed door is accidentally closed, workers under the door can be injured by clamping, so that an improvement space exists.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides the safe construction lifter which can prevent the feeding door from clamping workers, prevent the feeding door from being washed away and has high safety coefficient.

The technical scheme includes that the safe construction lifter comprises a guide rail frame, a lifting cage and a transmission device, wherein the transmission device is arranged at the top of the lifting cage and drives the lifting cage to move up and down along the guide rail frame, the lifting cage comprises a cage body, a feeding door which is opened in a sliding mode up and down is arranged on the outer side of the cage body, an anti-collision component is arranged on the feeding door, anti-clamping devices are arranged on two sides of the feeding door, a triggering plate capable of moving up and down is arranged on one side, close to the feeding door, of the bottom of the cage body, the anti-clamping devices comprise pulleys, a first sliding block, a bent rod, a connecting rod, a second sliding block and a limiting rod, ropes are fixed at two ends of the triggering plate, the ropes are connected to the pulleys in a transmission mode, the end portions of the ropes are connected with the first sliding block, the first sliding block is vertically arranged on the lifting cage in a sliding mode, a bent rod is hinged to the first sliding mode, the other end of the bent rod is hinged to the feeding door, a connecting rod is hinged to the other end of the bent rod, one side of the second sliding block is hinged to the second sliding block, a limiting rod is arranged on the lifting cage, and the second sliding block is arranged on the second sliding block and penetrates through the limiting rod.

Further, be provided with the mounting panel of right angle shape on the outer wall of cage both sides, the mounting panel is vertical to be installed on the cage outer wall, vertical first spout that is provided with on the mounting panel, first slider slidable mounting is in first spout, the level is provided with the second spout on the mounting panel, second slider slidable mounting is in the second spout.

Further, the curved bar comprises a first bar body and a second bar body, the first bar body is hinged with the first sliding block, the second bar body is hinged with the connecting rod, the joint of the first bar body and the second bar body is rotatably arranged on the cage body through the mounting bar, and the length of the second bar body is 2-5 times that of the first bar body.

Further, the bottom of the cage body is provided with a bottom plate, a mounting step is arranged at a position corresponding to the bottom plate and the trigger plate, a reset pressure spring is arranged on the mounting step, and the trigger plate is movably mounted on the bottom plate up and down through the reset pressure spring.

Further, the scour protection subassembly includes dead lever, bolster, horizontal pole and locating part, the bottom of feed gate both sides all is equipped with the dead lever, two all be equipped with the bolster on the dead lever, two install the horizontal pole between the bolster, the inside both sides of cage are equipped with the locating part, be equipped with on the locating part and be used for restricting the first spacing portion that the bolster moved outward and be used for restricting the second spacing portion that the horizontal pole moved outward.

Further, the bolster includes casing, slide bar, sliding block, spring and connecting rod, the casing is vertical to be installed on the dead lever, the slide bar is installed in the casing, the quantity of sliding block is two, two sliding block sliding connection is on the slide bar, the spring housing is established on the slide bar between sliding block and the casing, the one end of spring is connected on the slip, the other end of spring is connected on the casing, two the inboard of sliding block all articulates there is the connecting rod, the other end of connecting rod articulates in the horizontal pole is inboard.

Further, when the feed door is closed, the shell of the buffer member abuts against the first limiting portion of the limiting member.

Further, the fixing rod is of an L-shaped structure.

Further, the vertical distance between the cross rod and the bottom of the feeding door is 30cm-50cm.

Further, the limiting piece is limiting angle steel, the limiting angle steel is vertically arranged on two sides of the inside of the hanging cage, and a first limiting part for limiting the buffer piece to move outwards and a second limiting part for limiting the cross rod to move outwards are arranged on the limiting angle steel.

In summary, the invention has the advantages that when a person stands below the feeding door, the trigger plate moves downwards under the action of the weight of the person, the trigger plate triggers the anti-clamping device to play a role in limiting the downward movement of the feeding door, when the person leaves above the trigger plate, the trigger plate moves upwards under the action of the reset pressure spring, so that the limit rod is separated from the limit hole, the limitation on the feeding door is relieved, the feeding door can be effectively prevented from clamping workers under the door, the normal operation of the anti-clamping device is not influenced by power failure due to no dependence on an electrical structure, the failure rate is low, and the safety coefficient is high. When the cross rod is impacted to move outwards, the two connecting rods are driven to push the sliding blocks to move along the sliding rods to the upper end and the lower end of the shell, at the moment, the springs are compressed, the buffering effect is achieved, rigid collision is avoided, personnel injury of a driving vehicle (an operation trolley) is prevented, when the impact is large, the cross rod continues to move outwards, the second limiting part limits the cross rod, the cross rod is limited to move outwards, the vehicle in the lifter is prevented from rushing out of the feeding door, and the safety coefficient of the feeding door is greatly improved through two safety measures of the buffer part and the second limiting part.

Drawings

Fig. 1 is a schematic structural view of a safety type construction lifter according to the present invention.

Fig. 2 is a schematic structural view of a cage of a safety type construction hoist according to the present invention.

Fig. 3 is a schematic structural view of an anti-pinch device of a safety type construction lifter according to the present invention.

Fig. 4 is a partial enlarged view of a portion a of fig. 3.

Fig. 5 is a schematic structural view of a first chute of a safety type construction hoist according to the present invention.

Fig. 6 is a schematic structural view of a trigger plate of a safety type construction hoist according to the present invention.

Fig. 7 is a schematic structural view of a feed gate of a safety type construction hoist according to the present invention.

Fig. 8 is a partial enlarged view of a portion B of fig. 7.

Fig. 9 is a schematic structural view of a buffer member of a safety type construction hoist according to the present invention.

Fig. 10 is a schematic structural view of a limiting member of a safety type construction lifter according to the present invention.

Reference numerals illustrate:

1. Guide rail frame 2, hanging cage 21, cage body 3, feeding door 31, limit hole 4, anti-clamping device 41, rope 42, pulley 43, first sliding block 44, curved bar 441, first rod 442, second rod 45, connecting rod 46, second sliding block 47, limit rod 48, mounting rod 49, reset pressure spring 5, trigger plate 61, mounting plate 62, first sliding groove 63, second sliding groove 7, bottom plate 71, mounting step 8, anti-impact component 81, fixing rod 82, buffer element 821, shell 822, sliding bar 823, sliding block 824, spring 825, connecting rod 83, cross bar 84, limit element 841, first limit part 842, second limit part 9, transmission device.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

As shown in fig. 1 to 10, the present embodiment provides a safety type construction hoist including a track frame 1, a cage 2, a transmission 9, and a shock-proof assembly 8.

In this embodiment, the suspension cage 2 includes a cage body 21, the transmission device 9 is mounted at the top of the cage body 21, the transmission device 9 is provided with a brake, the transmission device 9 is in the prior art and is not described in detail herein, the transmission device 9 drives the suspension cage 2 to move up and down along the guide rail frame 1, specifically, the transmission device 9 is connected with a gear in a transmission manner, a rack is vertically arranged on the guide rail frame 1, the transmission device 9 drives the gear to rotate, and then drives the suspension cage 2 to move up and down along the rack, the structure is in the prior art, and is not described in detail herein, in addition, an upper and a lower travel limit switch is arranged on the cage body 21, a sensor on the cooperation feeding door 3 realizes the upper and lower limit of the closing and opening of the feeding door 3, and an interlocking switch is arranged on the feeding door 3, so that the feeding door 3 is prevented from being opened accidentally during operation, and the upper and lower travel limit switch and the interlocking switch are not described in detail herein.

In this embodiment, a feeding door 3 that is opened by sliding up and down is provided on the outer side of the cage 21, a shock-proof assembly 8 is provided on the feeding door 3, the shock-proof assembly 8 includes a fixing rod 81, a buffer member 82, a cross rod 83 and a limiting member 84, the bottom of two sides of the feeding door 3 is provided with the fixing rod 81, the fixing rod 81 is in an L-shaped structure, the two fixing rods 81 are provided with buffer members 82, the buffer members 82 include a housing 821, a sliding rod 822, a sliding block 823, a spring 824 and a connecting rod 825, the housing 821 is vertically installed on the fixing rod 81, the sliding rod 822 is installed in the housing 821, the number of the sliding blocks 823 is two, the two sliding blocks 823 are slidably connected on the sliding rod 822, the spring 824 is sleeved on the sliding rod 822 between the sliding block 823 and the housing 821, one end of the spring 824 is connected to the sliding block 823, the inner sides of the two sliding blocks 823 are hinged with the connecting rod 825, the other ends of the connecting rod are hinged to the inner sides of the connecting rod, the two sliding blocks 823 are hinged to the two sides of the housing 821, and the limiting member 82 is provided with a limiting member 84 for limiting the two side rails 83, and a limiting member 84 is installed between the two sliding rods 83 and a limiting member 84. When the cross bar 83 is impacted to move outwards, the two connecting rods 825 are driven to push the sliding block 823, the sliding block 823 moves towards the upper end and the lower end of the shell 821 along the sliding rod 822, and at the moment, the springs 824 are compressed to achieve the buffering effect, so that rigid collision is avoided, and personnel of a driving vehicle (an operation trolley) are prevented from being injured.

In this embodiment, when the feed door 3 is closed, the housing 821 of the buffer 82 abuts against the first limit portion 841 of the limiter. The limiting piece 84 is a limiting angle steel, the limiting angle steel is vertically installed on two sides of the inside of the suspension cage 2, and a first limiting portion 841 for limiting the buffer piece 82 to move outwards and a second limiting portion 842 for limiting the cross rod 83 to move outwards are arranged on the limiting angle steel. When the cross bar 83 is impacted and moves outwards, the impact force received by the cross bar 83 is reduced by the buffer piece 82, the outer movement of the cross bar 83 is slowed down, when the impact is large, the cross bar 83 continues to move outwards, the second limiting part 842 limits the cross bar 83, the outer movement of the cross bar 83 is limited, and the vehicle in the elevator is prevented from rushing out of the feed door 3.

In this embodiment, the vertical distance between the cross bar 83 and the bottom of the feed gate 3 is 30cm, 40cm or 50cm, and in other embodiments, the height of the cross bar 83 is set according to the size of the wheels of the construction vehicle, and the height of the cross bar 83 is higher than the height of the center axis of the wheels, so as to prevent the vehicle from crossing the cross bar 83.

In this embodiment, a trigger plate 5 capable of moving up and down is disposed on a side of the bottom of the cage 21, which is close to the feed gate 3, specifically, a bottom plate 7 is disposed on the bottom of the cage 21, a mounting step 71 is disposed at a position of the bottom plate 7 corresponding to the trigger plate 5, a reset pressure spring 49 is disposed on the mounting step 71, and the trigger plate 5 is mounted on the bottom plate 7 through the reset pressure spring 49 to move up and down. When a person stands below the feed door 3, the trigger plate 5 moves downwards under the action of the weight of the person, so as to trigger the anti-pinch device 4, and prevent the person from being pinched by the feed door 3.

In this embodiment, the two sides of the cage 21 are both provided with anti-clamping devices 4, the anti-clamping devices 4 include a pulley 42, a first sliding block 43, a curved bar 44, a connecting rod 45, a second sliding block 46 and a limiting rod 47, two ends of the trigger plate 5 are fixed with ropes 41, the ropes 41 are connected to the pulley 42 in a transmission manner, the end parts of the ropes 41 are connected with the first sliding block 43, the first sliding block 43 is vertically and slidably mounted on the cage 21, the curved bar 44 is hinged to the first sliding block 43, the curved bar 44 is rotatably mounted on the cage 21, the other end of the curved bar 44 is hinged with the connecting rod 45, in this embodiment, the curved bar 44 includes a first bar body 441 and a second bar body 442, the first bar body 441 is hinged with the first sliding block 43, the second bar body 442 is hinged with the connecting rod 45, a mounting rod 48 is fixed on the cage 21, the connection part of the first bar body 441 and the second bar body 442 is rotatably mounted on the cage 21 through the mounting rod 48, the second bar body 441 is 2 times the length of the second bar body 441 or 3 times the length of the second bar body 45 is provided with the limiting rod 46, and the limiting rod 46 is provided with a limiting rod 46 in the inner side of the cage 46, and the limiting rod 46 is provided with a horizontal sliding hole 2 times the length of the second sliding door 46. When the people stand below the feed gate 3, the trigger plate 5 moves downwards under the action of the gravity of the people, the trigger plate 5 drives the first sliding block 43 to move upwards through the rope 41, the first sliding block 43 drives the second sliding block 46 to slide horizontally right through the curved rod 44, the second sliding block 46 drives the limiting rod 47 to move horizontally synchronously, and then the limiting rod is clamped in the limiting hole 31, so that the effect of limiting the downward movement of the feed gate 3 is achieved, and the safety factor is high because the safety valve does not depend on an electrical structure, and the fault rate is low.

In this embodiment, rectangular mounting plates 61 are disposed on the outer walls of the two sides of the cage 21, the mounting plates 61 are vertically mounted on the outer wall of the cage 21, and the anti-clamping device 4 is mounted on the cage 21 through the mounting plates 61. The mounting plate 61 is vertically provided with a first sliding groove 62, and the first slider 43 is slidably mounted in the first sliding groove 62. The mounting plate 61 is horizontally provided with a second sliding groove 63, and the second slider 46 is slidably mounted in the second sliding groove 63.

The elevator is not used, when a person stands below the feeding door 3, the trigger plate 5 moves downwards under the action of the gravity of the person, the trigger plate 5 drives the first slide block 43 to move upwards through the rope 41, the first slide block 43 drives the second slide block 46 to slide horizontally and rightwards through the bent rod 44, the second slide block 46 drives the limit rod 47 to move horizontally and then be clamped in the limit hole 31, the effect of limiting the downward movement of the feeding door 3 is achieved, when the person leaves above the trigger plate 5, the trigger plate 5 moves upwards under the action of the reset pressure spring 49, the first slide block 43 slides downwards along the first slide groove 62 under the action of dead weight, the first slide block 43 drives the second slide block 46 to slide horizontally and leftwards through the bent rod 44, the second slide block 46 drives the limit rod 47 to move horizontally synchronously, the limit rod 47 is separated from the limit hole 31, and the limit of the feeding door 3 is relieved.

When the feeding door 3 is closed, the height of the cross rod 83 is higher than the height of the central shaft of the wheels, the cross rod 83 is prevented from being overturned by a vehicle, when the feeding door 3 is opened, the fixing rod 81 drives the buffer 82 and the cross rod 83 to move upwards synchronously, normal opening of the feeding door 3 cannot be affected, when the cross rod 83 is impacted to move outwards, the two connecting rods 45 are driven to push the sliding blocks, the sliding blocks move towards the upper end and the lower end of the shell 821 along the sliding rod 822, at the moment, the spring 824 is compressed, the buffer effect is achieved, rigid collision is avoided, injury to a person driving the vehicle (operating a trolley) is prevented, and when the impact is large, the cross rod 83 continues to move outwards, the second limiting part 842 limits the cross rod 83 to move outwards, and the vehicle in the lifter is prevented from being washed out of the feeding door 3.

While the foregoing embodiments have shown and described the fundamental principles and main features of the invention as well as the advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, but rather by the description of the embodiments and descriptions, various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe type construction elevator, its characterized in that, includes guide rail frame, cage and transmission, transmission installs at the cage top, transmission drives the cage along guide rail frame reciprocates, the cage includes the cage body, the cage outside is equipped with the feed gate that slides from top to bottom and opens, be equipped with the scour protection subassembly on the feed gate, the cage body is located the both sides of feed gate and all is equipped with anti-pinch device, one side that the cage body bottom is close to the feed gate is equipped with the trigger plate that can reciprocate, anti-pinch device includes pulley, first slider, curved bar, connecting rod, second slider and gag lever post, the both ends of trigger plate are fixed with the rope, the rope transmission is connected on the pulley, the tip and the first slider of rope are connected, first slider vertical slidable mounting is on the cage, the articulated curved bar that has on the first slider, the other end of curved bar articulates there is the connecting rod, the other end and the second slider are articulated, the second slider horizontal slip is equipped with the gag lever post on the cage, the second slider is equipped with the gag lever post, the limit hole is passed to the inside the cage.

2. The safety type construction lifter according to claim 1, wherein right-angle mounting plates are arranged on the outer walls of two sides of the cage body, the mounting plates are vertically arranged on the outer walls of the cage body, first sliding grooves are vertically arranged on the mounting plates, the first sliding blocks are slidably arranged in the first sliding grooves, second sliding grooves are horizontally arranged on the mounting plates, and the second sliding blocks are slidably arranged in the second sliding grooves.

3. The safety type construction lifter according to claim 1, wherein the curved bar comprises a first bar body and a second bar body, the first bar body is hinged with the first sliding block, the second bar body is hinged with the connecting rod, the joint of the first bar body and the second bar body is rotatably installed on the cage body through the installation bar, and the length of the second bar body is 2-5 times that of the first bar body.

4. The safe construction lifter according to claim 1, wherein a bottom plate is arranged at the bottom of the cage body, a mounting step is arranged at a position corresponding to the bottom plate and the trigger plate, a reset pressure spring is arranged on the mounting step, and the trigger plate is mounted on the bottom plate through the reset pressure spring in an up-and-down movable mode.

5. The safe construction lifter according to claim 1, wherein the anti-collision component comprises fixing rods, buffer pieces, cross rods and limiting pieces, the bottoms of two sides of the feeding door are respectively provided with a fixing rod, two buffer pieces are respectively arranged on the fixing rods, the cross rods are arranged between the two buffer pieces, the two sides inside the lifting cage are respectively provided with a limiting piece, and the limiting pieces are respectively provided with a first limiting portion used for limiting the buffer pieces to move outwards and a second limiting portion used for limiting the cross rods to move outwards.

6. The safety type construction lifter according to claim 5, wherein the buffer member comprises a housing, a slide bar, slide blocks, springs and a connecting rod, the housing is vertically installed on the fixed rod, the slide bars are installed in the housing, the number of the slide blocks is two, the two slide blocks are slidably connected on the slide bars, the springs are sleeved on the slide bars between the slide blocks and the housing, one ends of the springs are connected on the sliding, the other ends of the springs are connected on the housing, connecting rods are hinged on the inner sides of the two slide blocks, and the other ends of the connecting rods are hinged on the inner sides of the cross bars.

7. The safety-type construction hoist according to claim 6, wherein the housing of the buffer member abuts against the first limit portion of the limiter when the feed door is closed.

8. The safety-type construction hoist according to claim 5, wherein the fixing rod has an L-shaped structure.

9. A safety-type construction hoist according to claim 5, wherein the vertical distance between the cross bar and the bottom of the feed gate is 30cm-50cm.

10. The safe construction lifter according to claim 5, wherein the limiting member is limiting angle steel, the limiting angle steel is vertically installed on two sides of the inner portion of the suspension cage, and the limiting angle steel is provided with a first limiting portion for limiting the outward movement of the buffer member and a second limiting portion for limiting the outward movement of the cross rod.