CN214713878U - Tower crane cat ladder structure - Google Patents
Tower crane cat ladder structure Download PDFInfo
- Publication number
- CN214713878U CN214713878U CN202120861444.XU CN202120861444U CN214713878U CN 214713878 U CN214713878 U CN 214713878U CN 202120861444 U CN202120861444 U CN 202120861444U CN 214713878 U CN214713878 U CN 214713878U
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- CN
- China
- Prior art keywords
- pull rope
- tower crane
- ladder stand
- movable box
- safety protector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A tower crane ladder stand structure comprises a ladder stand, a bottom plate, a top table, a safety protector, a fixed pulley, a pull rope, a movable box and a fixed belt; the ladder stand comprises a vertical column and a cross bar; a slide rail is arranged on the front side surface of the upright post; the cross bars are connected between the upright columns; the bottom plate is connected to the bottom of the upright post; the top platform is connected with the top of the upright post; the safety protector is arranged in the middle of the top platform; the two fixed pulleys are respectively arranged on the top platform and are positioned at the front side and the rear side of the safety protector; threading holes are formed in the positions, corresponding to the fixed pulleys, on the top table; the pull rope is arranged on the two fixed pulleys and the safety protector, and two ends of the pull rope respectively penetrate through the two threading holes; the movable box is hung at one end of the pull rope, and a heavy object is arranged in the movable box; the inner side of the movable box is provided with a slide block at the position corresponding to the slide rail; the sliding block is embedded in the sliding rail; the fixed waistband is connected with the other end of the pull rope and is detachably connected with the cross rod; the utility model provides a traditional constructor dangerous when the climbing big, take place the technical problem of accidents such as eminence fall easily.
Description
Technical Field
The utility model belongs to the technical field of the building engineering construction, in particular to tower crane cat ladder structure.
Background
Along with the higher and higher requirements on safety construction, the personal safety of each participant is ensured to be arranged at a high position. Often when construction in rainy season or winter, the cat ladder position of tower crane is very easily wet and smooth frosting, and along with the constantly rising of tower crane, tower crane driver/maintenance personal climbing also constantly risees, often because working strength is high, when climbing the cat ladder from top to bottom, easily takes place the sole and skids, leads to accident such as tower crane driver/maintenance personal eminence fall to take place.
Therefore, the invention provides a tower crane ladder stand structure which is necessary to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tower crane cat ladder structure, it is dangerous big when the climbing to solve traditional constructor, takes place the technical problem of accidents such as eminence fall easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A tower crane ladder stand structure is arranged in a support frame of a tower crane; comprises a ladder stand, a bottom plate, a top platform, a safety protector, a fixed pulley, a pull rope, a movable box and a fixed belt; the crawling ladder comprises a stand column and a cross bar; the two upright posts are arranged at intervals along the transverse direction; sliding rails are respectively arranged on the front side surfaces of the two upright posts; the cross rods are in one group and are connected between the two upright posts at intervals along the vertical direction; the bottom plate is connected to the bottoms of the two stand columns and used for connecting the ladder stand with the base of the tower crane; the top platform is connected to the tops of the two upright posts; the safety protector is arranged in the middle of the top platform; the two fixed pulleys are respectively arranged on the top platform and positioned at the front side and the rear side of the safety protector; threading holes are respectively formed in the positions, corresponding to the two fixed pulleys, on the top table; the pull rope is arranged on the two fixed pulleys and the safety protector, and two ends of the pull rope respectively penetrate through the two threading holes; the movable box is hung at one end of the pull rope, and a heavy object is arranged in the movable box; a sliding block is arranged on the inner side of the movable box and at a position corresponding to the sliding rail; the sliding blocks are correspondingly embedded in the sliding rails; the fixed waistband is connected at the other end of the stay cord and is detachably connected with the cross bar.
Preferably, the bottom plate is provided with a fixing screw hole; two groups of fixing screw holes are arranged at intervals along the front side and the rear side of the bottom plate respectively; the bottom plate is connected with the base through bolts penetrating through the fixing screw holes.
Preferably, the safety protector comprises an outer protection box, a velometer and a pull rope clamp; the outer protection box is connected to the top of the top platform, and through holes penetrating through the pull rope are respectively formed in the front side surface and the rear side surface of the outer protection box; the pull rope passes through the through hole, and the pull rope passes through the velometer and the pull rope clamp; the velometer, the controller and the rope pulling clamp are all arranged in an outer protection box.
Preferably, the length of the pull rope is adapted to the height of the ladder.
Preferably, the weight of the weight inside the movable box is less than the weight of the user.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model discloses a tower crane cat ladder structure is connected the activity case that has the heavy object through utilizing the stay cord with operation personnel and loading, utilizes the weight of heavy object to offset operation personnel's self weight to make operation personnel laborsaving very and even cat ladder in-process sole skid also can not fall at the in-process of cat ladder from top to bottom, realized laborsaving safe purpose again promptly, it is dangerous big when the climbing to have solved traditional constructor, take place the technical problem of accidents such as eminence falls easily.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is the side schematic view of the tower crane ladder structure of the utility model.
Fig. 2 is the utility model discloses a tower crane cat ladder structure's stereogram.
Fig. 3 is a schematic plan view of the safety protector and the fixed pulley on the top table.
Fig. 4 is a schematic structural view of the present invention, wherein the pulling rope passes through the safety protector.
Fig. 5 is a schematic side view of the middle pull rope clip of the present invention clamped on the pull rope.
Reference numerals: 1-tower crane, 1.1-supporting frame, 1.2-base, 1.3-operation room, 1.4-tower arm, 1.5-tower hook, 1.6-balancing weight, 2-ladder, 2.1-upright post, 2.2-cross bar, 3-bottom plate, 4-top table, 5-safety protector, 5.1-outer protection box, 5.2-velometer, 5.3-stay rope clamp, 5.4-controller, 6-fixed pulley, 7-stay rope, 8-movable box, 9-fixed waistband, 10-slide rail, 11-threading hole, 12-slide block, 13-fixed screw hole and 14-through hole.
Detailed Description
The tower crane ladder stand structure is arranged in a support frame 1.1 of a tower crane 1; comprises a ladder 2, a bottom plate 3, a top platform 4, a safety protector 5, a fixed pulley 6, a pull rope 7, a movable box 8 and a fixed belt 9; the ladder stand 2 comprises a vertical column 2.1 and a cross bar 2.2; two upright posts 2.1 are arranged at intervals along the transverse direction; the front side surfaces of the two upright posts 2.1 are respectively provided with a slide rail 10; the cross rods 2.2 are provided with one group and are connected between the two upright posts 2.1 at intervals along the vertical direction; the bottom plate 3 is connected to the bottoms of the two upright posts 2.1 and used for connecting the ladder stand 2 with the base 1.2 of the tower crane 1; the top platform 4 is connected to the tops of the two upright posts 2.1; the safety protector 5 is arranged in the middle of the top table 4; two fixed pulleys 6 are respectively arranged on the top table 4 and positioned at the front side and the rear side of the safety protector 5; threading holes 11 are respectively formed in the positions, corresponding to the two fixed pulleys 6, on the top table 4; the pull rope 7 is arranged on the two fixed pulleys 6 and the safety protector 5, and two ends of the pull rope 7 respectively penetrate through the two threading holes 11; the movable box 8 is hung at one end of the pull rope 7, and a heavy object is arranged in the movable box 8; a slide block 12 is arranged at the inner side of the movable box 8 and at the position corresponding to the slide rail 10; the sliding block 12 is correspondingly embedded in the sliding rail 10; the fixed waistband 9 is connected at the other end of the pull rope 7, and the fixed waistband 9 is detachably connected with the cross bar 2.2.
In this embodiment, the bottom plate 3 is provided with a fixing screw hole 13; two groups of fixing screw holes 13 are arranged at intervals along the front side and the rear side of the bottom plate 3 respectively; the bottom plate 3 is connected with the base 1.2 through bolts penetrating through the fixing screw holes 13.
In this embodiment, the safety protector 5 includes an external protection box 5.1, a velometer 5.2, a rope clamp 5.3 and a controller 5.4; the outer protection box 5.1 is connected to the top of the top platform 4, and through holes 14 penetrating through the pull ropes 7 are respectively formed in the front side surface and the rear side surface of the outer protection box 5.1; the pulling rope 7 passes through the through hole 14, and the pulling rope 7 passes through the velometer 5.2 and the pulling rope clamp 5.3; the velometer 5.2, the controller 5.4 and the pull rope clamp 5.3 are all arranged in the outer protection box 5.1.
In the embodiment, the velometer 5.2 and the rope clamp 5.3 are arranged in a straight line; the controller 5.4 is electrically connected with the velometer 5.2, and the controller 5.4 is electrically connected with the rope pulling clamp 5.3; the velometer 5.2 measures the speed of the pull rope 7 in the outer protective box 5.1 and transmits the measured speed to the controller 5.4 at any time; when the speed of the pull rope 7 reaches the designed speed, the controller 5.4 regulates and controls to indicate the pull rope clamp 5.3 to clamp on the pull rope 7, and the speed of the pull rope 7 is reduced.
In this embodiment, the length of the pull rope 7 is adapted to the height of the ladder 2.
In this embodiment, the weight of the weight inside the movable box 8 is smaller than the weight of the user.
In this embodiment, the tower crane 1 includes a support frame 1.1, a base 1.2, an operation room 1.3, a tower arm 1.4 and a counterweight 1.6; the support frame 1.1 is connected to the base 1.2; the operation chamber 1.3 is arranged at the upper part of the support frame 1.1; the tower arm 1.4 and the balancing weight 1.6 are respectively arranged at the front side and the rear side of the support frame 1.1; the bottom of the tower arm 1.4 is connected with a tower hook 1.5.
This practical theory of operation: when the operation personnel want to go up cat ladder 2 or cat ladder 2 down, at first fix the waistband 9 at the waist, then go up cat ladder 2 or cat ladder 2 down that just can relax, because the movable box 8 that loads with the heavy object passes fixed pulley 6 and safety arrangement 5 through stay cord 7 has the effect of pulling force to the people at the in-process that the operation personnel marchd, this makes people's weight lighten relatively, consequently the operation personnel just need do a small amount of merit about going up cat ladder 2, consequently, play the effect of province, stay cord 7 also is equivalent to a safety rope simultaneously, make upper and lower cat ladder 2 time safety more.
Claims (5)
1. A tower crane ladder stand structure is arranged in a support frame (1.1) of a tower crane (1); the method is characterized in that: comprises a ladder (2), a bottom plate (3), a top platform (4), a safety protector (5), a fixed pulley (6), a pull rope (7), a movable box (8) and a fixed belt (9); the ladder stand (2) comprises a vertical column (2.1) and a cross bar (2.2); two upright posts (2.1) are arranged at intervals along the transverse direction; the front side surfaces of the two upright posts (2.1) are respectively provided with a slide rail (10); the cross rods (2.2) are provided with one group and are connected between the two upright posts (2.1) at intervals along the vertical direction; the bottom plate (3) is connected to the bottoms of the two upright posts (2.1) and is used for connecting the ladder stand (2) with the base (1.2) of the tower crane (1); the top platform (4) is connected to the tops of the two upright posts (2.1); the safety protector (5) is arranged in the middle of the top table (4); the two fixed pulleys (6) are respectively arranged on the top platform (4) and are positioned at the front side and the rear side of the safety protector (5); threading holes (11) are respectively formed in the positions, corresponding to the two fixed pulleys (6), on the top table (4); the pull rope (7) is arranged on the two fixed pulleys (6) and the safety protector (5), and two ends of the pull rope (7) respectively penetrate through the two threading holes (11); the movable box (8) is hung at one end of the pull rope (7), and a heavy object is arranged in the movable box (8); a slide block (12) is arranged at the inner side of the movable box (8) and at the position corresponding to the slide rail (10); the sliding blocks (12) are correspondingly embedded in the sliding rails (10); the fixed waistband (9) is connected to the other end of the pull rope (7), and the fixed waistband (9) is detachably connected with the cross rod (2.2).
2. The tower crane ladder stand structure of claim 1, wherein: a fixing screw hole (13) is formed in the bottom plate (3); two groups of fixing screw holes (13) are arranged at intervals along the front side and the rear side of the bottom plate (3) respectively; the bottom plate (3) is connected with the base (1.2) through bolts penetrating through the fixing screw holes (13).
3. The tower crane ladder stand structure of claim 1, wherein: the safety protector (5) comprises an outer protection box (5.1), a velometer (5.2) and a pull rope clamp (5.3); the outer protection box (5.1) is connected to the top of the top table (4), and through holes (14) penetrating through the pull ropes (7) are respectively formed in the front side surface and the rear side surface of the outer protection box (5.1); the pull rope (7) penetrates through the through hole (14), and the pull rope (7) penetrates through the velometer (5.2) and the pull rope clamp (5.3); the velometer (5.2), the controller 5.4 and the pull rope clamp (5.3) are all arranged in an outer protection box (5.1).
4. The tower crane ladder stand structure of claim 1, wherein: the length of the pull rope (7) is adapted to the height of the ladder stand (2).
5. The tower crane ladder stand structure of claim 1, wherein: the weight of the heavy object in the movable box (8) is less than the weight of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861444.XU CN214713878U (en) | 2021-04-25 | 2021-04-25 | Tower crane cat ladder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861444.XU CN214713878U (en) | 2021-04-25 | 2021-04-25 | Tower crane cat ladder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214713878U true CN214713878U (en) | 2021-11-16 |
Family
ID=78613127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120861444.XU Expired - Fee Related CN214713878U (en) | 2021-04-25 | 2021-04-25 | Tower crane cat ladder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214713878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014186A (en) * | 2021-11-30 | 2022-02-08 | 绍兴南特起重设备有限公司 | Tower crane safer in climbing |
-
2021
- 2021-04-25 CN CN202120861444.XU patent/CN214713878U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014186A (en) * | 2021-11-30 | 2022-02-08 | 绍兴南特起重设备有限公司 | Tower crane safer in climbing |
| CN114014186B (en) * | 2021-11-30 | 2023-12-08 | 绍兴南特起重设备有限公司 | Tower crane with safe climbing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |