CN221565627U - Safety equipment for building tower crane crawling ladder - Google Patents

Abstract

The utility model discloses safety equipment for a building tower crane crawling ladder, which comprises a bottom plate, wherein the rear side of the top end of the bottom plate is fixedly connected with a base plate, the crawling ladder is fixedly installed on the base plate, fixing plates are fixedly connected at the positions of bilateral symmetry of the front side of the base plate, and a first installation groove is formed in one side, close to each other, of each two groups of fixing plates. When a worker needs to climb a ladder, the lifting mechanism drives the protection plate to move downwards to a certain height, then the lock body is opened by using the key, the sealing cover is rotated downwards, the worker can drill through the through groove formed in the middle of the protection plate, then stand on the protection plate to prepare for climbing the ladder, and the servo motor is controlled to keep proper rotation speed in the process of climbing the ladder, so that the whole protection plate and the protection frame keep moving distance with the worker and move upwards synchronously along with the worker, the safety of the worker is protected, and irrelevant people can be prevented from climbing by the aid of the lock body.

Description

Safety equipment for building tower crane crawling ladder

Technical Field

The utility model relates to the technical field of tower cranes, in particular to safety equipment for a building tower crane cat ladder.

Background

The tower crane is a hoisting equipment most commonly used on the building site, and also known as a tower crane, is an indispensable equipment on the building site, and the kind of tower crane is more, and the track formula removes the tower crane just one of them, in the use of track formula removal tower crane, needs operating personnel to operate through climbing device climbing to driver's cabin position, and current climbing device is mostly cat ladder, and the outside of cat ladder generally all is provided with safety device, and operating personnel can sometimes be because of the condition of error or stepping on the sky at the in-process of climbing, appears falling easily and leads to the incident.

However, the existing climbing installation device can only provide simple protection, is poor in safety, cannot effectively prevent climbing of irrelevant personnel, is difficult to meet the safety requirements of staff, and reduces the practicability of the device.

Disclosure of utility model

For solving the technical problem, provide a safety device for building tower crane cat ladder, current climbing installation device that has proposed among the above-mentioned prior art has been solved and can only provide simple protection, and the security is not good enough, can not effectually prevent the problem that irrelevant personnel climbed simultaneously.

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

A safety device for building tower crane cat ladder, the bottom plate, the top rear side fixedly connected with base plate of bottom plate, fixedly mounted has the cat ladder on the base plate, the equal fixedly connected with fixed plate in front side bilateral symmetry position department of base plate, two sets of the first mounting groove has all been seted up to one side that the fixed plate is close to each other, the front side middle part of base plate is provided with the guard plate, the top fixed mounting of guard plate has the guard frame, just the inside of first mounting groove is connected with the guard plate through installing elevating system, the inside rotation of guard plate is connected with the closing cap, the bottom fixedly connected with solid fixed ring of closing cap, the bottom rotation of guard plate is connected with the swivel becket, just gu the fixed ring passes through the lock body with the swivel becket and is connected.

Preferably, the lifting mechanism comprises a screw rod, the screw rod is rotationally connected to the inside of the first mounting groove, and the outer surfaces of the screw rod at two sides are in threaded connection with the protection plate.

Preferably, the top fixed mounting of bottom plate has two sets of connecting blocks, two sets of the inside rotation of connecting block is connected with the dwang, the equal fixedly connected with second bevel gear in both ends of dwang, just the one end of lead screw extends to the outside of first mounting groove to fixed mounting has the first bevel gear with second bevel gear meshing.

Preferably, the middle part of dwang surface fixedly connected with follows the driving wheel, the top fixed mounting of bottom plate has servo motor, servo motor's output fixedly connected with drive wheel, the drive wheel passes through the belt and is connected with following the driving wheel transmission.

Preferably, the top of guard plate has run through and has seted up the second mounting groove, the inside fixedly connected with fixed frame of second mounting groove, the internally mounted of fixed frame has the telescopic link, the scalable end and the fly leaf fixed connection of telescopic link, one side fixed mounting that the fly leaf kept away from the telescopic link has the fixture block, just the outside cover of telescopic link is equipped with the spring.

Preferably, the top and the bottom of fixed frame all run through and have seted up the bar groove, the top and the bottom of fly leaf all fixedly connected with arm-tie, arm-tie sliding connection is in the inside of bar groove.

Preferably, the clamping grooves matched with the clamping blocks are formed in one side, close to the fixing frame, of the sealing cover.

Compared with the prior art, the utility model provides the safety equipment for the building tower crane cat ladder, which has the following beneficial effects:

When a worker needs to climb a ladder, the lifting mechanism drives the protection plate to move downwards to a certain height, then the lock body is opened by using the key, the sealing cover is rotated downwards, the worker can drill through the through groove formed in the middle of the protection plate, then stand on the protection plate to prepare for climbing the ladder, and the servo motor is controlled to keep proper rotation speed in the process of climbing the ladder, so that the whole protection plate and the protection frame keep moving distance with the worker and move upwards synchronously with the worker, the safety of the worker is protected, and irrelevant people can be prevented from climbing by the aid of the lock body, and the requirements of the worker are met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a first mounting groove according to the present utility model;

FIG. 3 is a schematic view of the bottom structure of the protection plate according to the present utility model;

FIG. 4 is a schematic view of the top structure of the shield plate according to the present utility model;

fig. 5 is a schematic view illustrating an internal structure of the fixing frame in the present utility model.

The reference numerals in the figures are:

1. A substrate; 101. a ladder stand; 102. a fixing plate; 103. a first mounting groove; 104. a protection plate; 105. a protective frame; 106. a cover; 107. a fixing ring; 108. a rotating ring; 109. a lock body; 110. a second mounting groove; 111. a fixed frame; 112. a bar-shaped groove; 113. a telescopic rod; 114. a movable plate; 115. a clamping block; 116. a spring; 117. pulling a plate; 118. a clamping groove; 2. a lifting mechanism; 201. a screw rod; 202. a first bevel gear; 203. a connecting block; 204. a rotating lever; 205. a second bevel gear; 206. a servo motor; 207. a driving wheel; 208. driven wheel; 209. a belt.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Example 1

Referring to fig. 1, fig. 2 and fig. 3, a safety device for a tower crane ladder for building includes a base plate, a base plate 1 is fixedly connected to a rear side of a top end of the base plate, a ladder 101 is fixedly mounted on the base plate 1, fixing plates 102 are fixedly connected to positions of left and right sides of a front side of the base plate 1, first mounting grooves 103 are formed in sides of the two groups of fixing plates 102, a protection plate 104 is arranged in the middle of the front side of the base plate 1, a protection frame 105 is fixedly mounted on the top of the protection plate 104, the first mounting grooves 103 are connected with the protection plate 104 through a lifting mechanism 2, a sealing cover 106 is rotatably connected to the inside of the protection plate 104, a fixing ring 107 is fixedly connected to the bottom of the sealing cover 106, a rotating ring 108 is rotatably connected to the bottom of the protection plate 104, and the fixing ring 107 is connected with the rotating ring 108 through a lock body 109.

Referring to fig. 2, the lifting mechanism 2 includes a screw 201, the screw 201 is rotatably connected to the inside of the first mounting groove 103, and the outer surfaces of the screws 201 on both sides are in threaded connection with the protection plate 104.

Referring to fig. 1 and 2, two sets of connection blocks 203 are fixedly installed on the top of the base plate, a rotation rod 204 is rotatably connected to the inside of the two sets of connection blocks 203, two ends of the rotation rod 204 are fixedly connected to a second bevel gear 205, and one end of a screw 201 extends to the outside of the first installation groove 103 and is fixedly provided with a first bevel gear 202 meshed with the second bevel gear 205.

Referring to fig. 1, a driven wheel 208 is fixedly connected to the middle part of the outer surface of the rotating rod 204, a servo motor 206 is fixedly mounted on the top of the bottom plate, a driving wheel 207 is fixedly connected to the output end of the servo motor 206, and the driving wheel 207 is in transmission connection with the driven wheel 208 through a belt 209.

In this solution, the principle of the lifting mechanism 2 is as follows: the driving wheel 207 is driven to rotate through the output end of the servo motor 206, the driving wheel 207 drives the driven wheel 208 to rotate through the belt 209, so that the rotating rod 204 and the two groups of second bevel gears 205 integrally rotate synchronously, and then the screw rods 201 and the first bevel gears 202 on two sides integrally rotate synchronously, so that the protection plate 104 and the protection frame 105 integrally move up and down synchronously.

When the staff needs to climb the ladder, firstly, the lifting mechanism 2 drives the protection plate 104 to move downwards to a certain height, then the lock body 109 is opened by a key, the sealing cover 106 is rotated downwards, the staff can drill through the through groove formed in the middle of the protection plate 104, then stand on the protection plate 104 to prepare for climbing the ladder, and in the process of climbing the ladder, the servo motor 206 is controlled to keep a proper rotating speed, so that the protection plate 104 and the protection frame 105 are integrally kept at a moving distance with the staff and move upwards synchronously along with the staff, and the safety of the staff is protected.

Example 2

Further in this embodiment, as shown in fig. 4 and 5, the top of the protection plate 104 is provided with a second installation groove 110, the inside of the second installation groove 110 is fixedly connected with a fixing frame 111, a telescopic rod 113 is installed inside the fixing frame 111, a telescopic end of the telescopic rod 113 is fixedly connected with a movable plate 114, a clamping block 115 is fixedly installed on one side of the movable plate 114 away from the telescopic rod 113, and a spring 116 is sleeved outside the telescopic rod 113.

Referring to fig. 5, the top and bottom ends of the fixed frame 111 are provided with a bar-shaped slot 112, the top and bottom ends of the movable plate 114 are fixedly connected with a pull plate 117, and the pull plate 117 is slidably connected to the inside of the bar-shaped slot 112.

Referring to fig. 4, a clamping groove 118 adapted to the clamping block 115 is formed on one side of the cover 106 close to the fixing frame 111.

In this scheme, after the staff opens the closing cap 106, stand on guard plate 104, pull arm 117 for spring 116 and telescopic link 113 are in the shrink state, and then upwards rotate closing cap 106 to the horizontality, and secondly loosen arm 117, under the effect that spring 116 resumes deformation, make fixture block 115 card in the inside of draw-in groove 118, realize fixed closing cap 106.

The working principle and the using flow of the utility model are as follows: when the staff needs to climb the ladder, at first elevating system 2 drives guard plate 104 downward movement to a take the altitude, then opens lock 109 with the key, rotates closing cap 106 downwards, and the staff alright creep into the logical groove of seting up in the middle part of guard plate 104, and then stands and prepare to climb the ladder on guard plate 104, and at the in-process of cat ladder, control servo motor 206 makes it keep suitable rotational speed for guard plate 104 and guard frame 105 wholly keep the distance of removal with the staff and follow the synchronous upward movement of staff, thereby play the effect of protection staff safety, through being provided with lock 109, can prevent irrelevant personnel from climbing, the demand of staff has been satisfied.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A safety device for building tower crane cat ladder, its characterized in that includes the bottom plate, the top rear side fixedly connected with base plate (1) of bottom plate, fixedly mounted with cat ladder (101) on base plate (1), equal fixedly connected with fixed plate (102) in front side bilateral symmetry position department of base plate (1), two sets of fixed plate (102) all offer first mounting groove (103) in one side that is close to each other, the front side middle part of base plate (1) is provided with guard plate (104), the top fixed mounting of guard plate (104) has guard frame (105), just the inside of first mounting groove (103) is connected with guard plate (104) through installing elevating system (2), the inside rotation of guard plate (104) is connected with closing cap (106), the bottom fixedly connected with solid fixed ring (107), the bottom rotation of guard plate (104) is connected with rotation ring (108), just solid fixed ring (107) and rotation ring (108) are connected through lock body (109).

2. A safety device for a building tower ladder according to claim 1, characterized in that: the lifting mechanism (2) comprises a screw rod (201), the screw rod (201) is rotatably connected to the inside of the first mounting groove (103), and the outer surfaces of the screw rod (201) on two sides are in threaded connection with the protection plate (104).

3. A safety device for a building tower ladder according to claim 2, characterized in that: two groups of connecting blocks (203) are fixedly arranged at the top of the bottom plate, rotating rods (204) are rotatably connected to the inside of the two groups of connecting blocks (203), second bevel gears (205) are fixedly connected to the two ends of each rotating rod (204), one end of each screw rod (201) extends to the outside of the corresponding first mounting groove (103), and a first bevel gear (202) meshed with each second bevel gear (205) is fixedly arranged.

4. A safety device for a building tower ladder according to claim 3, characterized in that: the middle part fixedly connected with from driving wheel (208) of dwang (204) surface, the top fixed mounting of bottom plate has servo motor (206), the output fixedly connected with drive wheel (207) of servo motor (206), drive wheel (207) are connected with from driving wheel (208) transmission through belt (209).

5. A safety device for a building tower ladder according to claim 1, characterized in that: the top of guard plate (104) runs through and has seted up second mounting groove (110), the inside fixedly connected with fixed frame (111) of second mounting groove (110), the internally mounted of fixed frame (111) has telescopic link (113), the scalable end and the fly leaf (114) fixed connection of telescopic link (113), one side fixed mounting that telescopic link (113) were kept away from to fly leaf (114) has fixture block (115), just the outside cover of telescopic link (113) is equipped with spring (116).

6. A safety device for a building tower ladder according to claim 5, wherein: the top and the bottom of fixed frame (111) all run through and have seted up bar groove (112), the top and the bottom of fly leaf (114) all fixedly connected with arm-tie (117), arm-tie (117) sliding connection is in the inside of bar groove (112).

7. A safety device for a building tower ladder according to claim 5, wherein: clamping grooves (118) matched with the clamping blocks (115) are formed in one side, close to the fixing frame (111), of the sealing cover (106).