CN215292325U

CN215292325U - Anti-falling protection device of tower crane vertical ladder

Info

Publication number: CN215292325U
Application number: CN202121479668.0U
Authority: CN
Inventors: 杨欧; 王军华; 罗德洪
Original assignee: Guizhou Pangyuan Machinery Engineering Co ltd
Current assignee: Guizhou Pangyuan Machinery Engineering Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-24
Anticipated expiration: 2031-06-30

Abstract

The scheme discloses an anti-falling protection device of a tower crane vertical ladder in the field of protection equipment, which comprises a protection frame, a supporting mechanism and a conveyor belt; the protective frame comprises a connecting rod and a plurality of protective rods fixedly connected to the connecting rod from top to bottom; the conveying belt is sleeved on the plurality of protective rods, oblique teeth are uniformly distributed on one side of the conveying belt, which is far away from the protective rods, and a fixing rope is fixedly connected to the side edge of the conveying belt; support and hold the mechanism and include mounting panel and pawl, mounting panel fixed connection is on the protection frame, and pawl fixedly connected with dwang, dwang rotate to be connected on the mounting panel, have cup jointed the torsional spring on the dwang, fixedly connected with stay cord on the dwang. When the operator accidentally drops, the pawl is embedded into the adjacent inclined teeth of the conveyor belt, so that the conveyor belt is prevented from anticlockwise driving, and the operator is prevented from further dropping.

Description

Anti-falling protection device of tower crane vertical ladder

Technical Field

The utility model belongs to the protective equipment field, in particular to anti-falling protection device of tower machine vertical ladder.

Background

The tower crane is the most common hoisting equipment in construction sites, is also called as a tower crane or a tower crane, and is mainly used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction.

Before the tower crane is operated, an operator needs to climb to a cab from the ground through the vertical ladder. Because the driver's cab has tens meters or even hundreds of meters apart from the ground, when the condition such as foot cunning appears in the in-process of operating personnel climbing vertical ladder, directly fall to the ground from the eminence easily, and then constitute fatal threat to operating personnel's life safety, consequently, design a device that prevents or slows down operating personnel and weigh down, have the important function to guaranteeing operating personnel's life safety.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tower machine vertical ladder's anti-falling protection device to improve the security of staff when climbing vertical ladder.

The anti-falling protection device for the tower crane vertical ladder comprises a protection frame, a supporting mechanism and a conveyor belt; the protective frame comprises a connecting rod and a plurality of protective rods fixedly connected to the connecting rod from top to bottom, and the protective rods are U-shaped; the conveying belt is sleeved on the plurality of protective rods, oblique teeth are uniformly distributed on one side of the conveying belt, which is far away from the protective rods, and a fixing rope is fixedly connected to the side edge of the conveying belt; support hold the mechanism include the mounting panel and with the pawl that the skewed tooth cooperation was used, mounting panel fixed connection be in on the protection frame, pawl fixedly connected with dwang, dwang rotate to be connected on the mounting panel, have cup jointed the torsional spring on the dwang, fixedly connected with stay cord on the dwang.

The working principle and the beneficial effects of the scheme are as follows: before using, fix the protection device that prevents weighing down of tower machine vertical ladder on tower machine vertical ladder through the both ends of protective rod, specifically do: and respectively arranging two protective rods at the top and the bottom on the upper end part and the lower end part of the vertical ladder. During the use, fix the rope on operating personnel's one's body, when operating personnel scrambleed the vertical ladder, because the pawl rotates to be connected on the mounting panel, the pawl can not influence the clockwise transmission of conveyer belt, consequently at the in-process that the people upwards climbed, fixed rope drives the clockwise transmission of conveyer belt. When the operator accidentally drops, the pawl is embedded into the adjacent inclined teeth of the conveyor belt, so that the conveyor belt is prevented from anticlockwise driving, and the operator is prevented from further dropping.

When an operator needs to descend to the ground from the cab, the fixed rope is fixed on the operator, and in the descending process, the pawl is pulled through the pull rope to be separated from the helical teeth of the conveyor belt, so that the conveyor belt can normally perform anticlockwise transmission; when an operator needs to stay on the vertical ladder or prevent the vertical ladder from falling down, the pull rope is loosened, the pawl is automatically contacted with the helical teeth on the conveyor belt under the acting force of the torsion spring, and the conveyor belt is prevented from continuously transmitting anticlockwise.

Furthermore, two outer side walls of the protection rod are provided with vertical through grooves, and the conveyor belt is connected in the vertical through grooves in a transmission mode. The vertical through groove refers to a vertically arranged through groove, and the conveyor belt can be driven in the vertical through groove through the vertical through groove, so that the stability of the conveyor belt in the transmission process is ensured.

Furthermore, the top of the protective rod at the top is provided with an upper through groove which is communicated with the vertical through groove, and the conveying belt is connected in the upper through groove in a transmission manner. The upper through groove refers to a through groove horizontally formed in the upper surface of the protective rod at the top, and the conveying belt can be driven in the upper through groove and the vertical through groove through the upper through groove, so that the stability of the conveying belt in the transmission process is further ensured.

Furthermore, a lower through groove is formed in the bottom of the lowermost guard bar and communicated with the vertical through groove, and the conveyor belt is connected in the lower through groove in a transmission mode. The lower through groove refers to a through groove horizontally arranged on the lower surface of the protective rod at the lowest part, and the conveying belt can be driven in the upper through groove, the lower through groove and the vertical through groove through the lower through groove, so that the stability of the conveying belt in the transmission process is further ensured.

Further, the upper through groove and the lower through groove are internally provided with rolling shafts, and the conveyor belt is sleeved on the rolling shafts. Through the setting of roller bearing, because the roller bearing is more smooth, at the in-process of conveyer belt operation, can reduce the resistance, and then make the operation of conveyer belt more convenient.

Further, a plurality of protection strips used for preventing personnel from falling are fixedly connected between the adjacent protection rods. Through the setting of protective strip, can further effectively avoid the staff to drop.

Further, mounting panel fixed connection is on the fender rod of the top, the one end fixed connection that the dwang was kept away from to the stay cord is on the fender rod of below. Ensure that operating personnel can pull or loosen the stay cord at any time in the process of climbing downwards, and the operation is more convenient.

Drawings

Fig. 1 is a front view of an anti-falling protection device of a tower crane vertical ladder in embodiment 1 of the invention;

fig. 2 is a perspective view of the protective frame of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a protective rod 1, an upper through groove 11, a vertical through groove 12, a lower through groove 13, a pull rope 2, a mounting plate 3, a pawl 4, helical teeth 5, a conveyor belt 6, a fixed rope 7 and a connecting rod 8.

Example 1 is substantially as shown in figures 1-2: an anti-falling protection device for a tower crane vertical ladder comprises a protection frame, a supporting mechanism and a conveyor belt 6; the protection frame comprises a connecting rod 8 and three protection rods 1 welded on the connecting rod 8 from top to bottom (in order to more clearly embody the structure of the anti-falling protection device of the tower crane vertical ladder stand, only three protection rods 1 are arranged in the application, in practical application, the number of the protection rods 1 can be adjusted according to the height of the vertical ladder stand), the protection rods 1 are U-shaped, two outer side walls of the three protection rods 1 are respectively provided with a vertical through groove 12, the top of the uppermost protection rod 1 is provided with an upper through groove 11, the bottom of the lowermost protection rod 1 is provided with a lower through groove 13, and the upper through groove 11 and the lower through groove 13 are both communicated with the vertical through groove 12; the conveyor belt 6 is sleeved on the plurality of protective rods 1, the conveyor belt 6 is positioned in the upper through groove 11, the lower through groove 13 and the vertical through groove 12, oblique teeth 5 are uniformly distributed on one side of the conveyor belt 6, which is far away from the protective rods 1, and a fixing rope 7 is fixedly connected to the side edge of the conveyor belt 6; support and hold the mechanism and include mounting panel 3 and with 5 pawl 4 that cooperate and use of skewed tooth, the connection can be dismantled on the protective rod 1 at top through the screw to mounting panel 3, 4 fixedly connected with dwangs of pawl, the dwang rotates to be connected on mounting panel 3, has cup jointed the torsional spring on the dwang, the torsional spring is located the junction of dwang and mounting panel 3, fixedly connected with stay cord 2 on the dwang, the one end fixed connection that the dwang was kept away from to stay cord 2 is on the protective rod 1 of below.

Example 2 differs from example 1 only in that: a plurality of protection strips used for preventing personnel from falling are fixedly connected between the adjacent protection rods 1, and the protection strips can be horizontally arranged on the connecting rod or vertically arranged and obliquely arranged between the adjacent protection rods 1.

Example 3 differs from example 1 only in that: the upper through groove 11 and the lower through groove 13 are both rotatably connected with a roller, and the conveyor belt 6 is sleeved on the roller.

Example 4 differs from example 2 only in that: the upper through groove 11 and the lower through groove 13 are both rotatably connected with a roller, and the conveyor belt 6 is sleeved on the roller.

Taking the example 2 as an example, the specific implementation process is as follows: before the use, install tower machine vertical ladder's anti-falling protection device on vertical ladder, specifically be: the two ends of the protective rod 1 at the top and the bottom are respectively fixed at the top and the bottom of the tower crane vertical ladder by adopting welding or threaded connection and other modes. When operating personnel upwards scrambles, fixes rope 7 on operating personnel's one's body, and operating personnel's upward movement's in-process can drive 6 clockwise transmissions of conveyer belt, when operating personnel tenesmus, can drive 6 anticlockwise transmissions of conveyer belt, and at this moment, pawl 4 is embedded into between the adjacent skewed tooth 5, has avoided 6 anticlockwise transmissions of conveyer belt, and then has prevented operating personnel to continue the tenesmus.

When an operator needs to climb to the ground from the cab, the fixed rope 7 is fixed on the body of the operator, and the pull rope 2 is pulled, so that the pawl 4 is separated from the helical teeth 5, and the operator can climb downwards normally. When the operator falls, the pull rope 2 is loosened, and the pawl 4 is embedded between the adjacent helical teeth 5, so that the operator is prevented from continuously falling. In addition, the protection strips arranged between the adjacent protection rods 1 can also play a role in multiple protection.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a tower machine vertical ladder's anti-falling protection device which characterized in that: comprises a protective frame, a propping mechanism and a conveying belt; the protective frame comprises a connecting rod and a plurality of protective rods fixedly connected to the connecting rod from top to bottom, and the protective rods are U-shaped; the conveying belt is sleeved on the plurality of protective rods, oblique teeth are uniformly distributed on one side of the conveying belt, which is far away from the protective rods, and a fixing rope is fixedly connected to the side edge of the conveying belt; support hold the mechanism include the mounting panel and with the pawl that the skewed tooth cooperation was used, mounting panel fixed connection be in on the protection frame, pawl fixedly connected with dwang, dwang rotate to be connected on the mounting panel, have cup jointed the torsional spring on the dwang, fixedly connected with stay cord on the dwang.

2. The anti-falling protection device of the tower crane vertical ladder according to claim 1, characterized in that: vertical through grooves are formed in the two outer side walls of the protection rod, and the conveyor belt is connected in the vertical through grooves in a transmission mode.

3. The anti-falling protection device of the tower crane vertical ladder stand according to claim 2, characterized in that: the top of the protective rod at the top is provided with an upper through groove which is communicated with the vertical through groove, and the conveying belt is connected in the upper through groove in a transmission manner.

4. The anti-falling protection device of the tower crane vertical ladder stand according to claim 3, characterized in that: the bottom of the lowermost guard bar is provided with a lower through groove which is communicated with the vertical through groove, and the conveyor belt is connected in the lower through groove in a transmission manner.

5. The anti-falling protection device of the tower crane vertical ladder stand according to claim 4, characterized in that: the upper through groove and the lower through groove are internally provided with rolling shafts, and the conveying belt is sleeved on the rolling shafts.

6. The anti-falling protection device of the tower crane vertical ladder stand according to claim 5, characterized in that: a plurality of protection strips used for preventing personnel from falling are fixedly connected between adjacent protection rods.

7. The anti-falling protection device for the vertical ladder of the tower crane as claimed in any one of claims 1 to 6, is characterized in that: mounting panel fixed connection is on the fender rod of top, the one end fixed connection that the dwang was kept away from to the stay cord is on the fender rod of below.