CN214217995U - Tower crane anti-climbing entrance guard device - Google Patents
Tower crane anti-climbing entrance guard device Download PDFInfo
- Publication number
- CN214217995U CN214217995U CN202023317491.2U CN202023317491U CN214217995U CN 214217995 U CN214217995 U CN 214217995U CN 202023317491 U CN202023317491 U CN 202023317491U CN 214217995 U CN214217995 U CN 214217995U
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- Prior art keywords
- tower crane
- climbing
- frame
- fixedly connected
- crane standard
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 241000282326 Felis catus Species 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 230000009193 crawling Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002493 climbing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of tower cranes, in particular to a tower crane anti-climbing entrance guard device, which comprises a tower crane standard joint and a crawling ladder fixedly connected at the rear side inside the tower crane standard joint, wherein an anti-climbing mechanism is arranged at the middle part of the tower crane standard joint, and comprises a front shaft rotatably connected at the front side of the middle part of the tower crane standard joint, connecting frames vertically fixed at the left and right ends of the front shaft, and an entrance guard frame fixedly connected between the rear ends of the two groups of connecting frames; the utility model discloses simple structure, through the inside climbing that makes progress of tower crane standard festival from the restriction, and the restriction is from the ascending climbing of tower crane standard festival outside, and the prong through the prong pole, thereby effectively prevent irrelevant personnel climbing, improve anti-climbing effect, the device is not only convenient for remove the anti-climbing restriction to the tower crane standard festival fast simultaneously, be convenient for moreover with entrance guard's frame, preceding anti-climbing frame, mutual fixation between concave frame and the back anti-climbing frame and with the fixed of tower crane standard festival, thereby realize the climbing restriction to the tower crane standard festival.
Description
Technical Field
The utility model relates to a tower crane technical field, concretely relates to tower crane anti-climb entrance guard's device.
Background
The tower crane is the indispensable large-scale mechanical equipment of building site, is responsible for the important task of material transportation, and the body of the tower crane is assembled by each tower crane standard festival and is formed, in the inner chamber of tower crane standard festival, is provided with the cat ladder of vertical direction usually, supplies tower crane driver or maintainer to use on the tower crane from top to bottom.
For preventing that irrelevant personnel from climbing the tower crane at will night, weld the reinforcing bar net on the tower crane standard festival usually, perhaps lay the plank on the tower crane standard festival to play the purpose that prevents to climb at will.
However, the anti-climbing effect of the two modes is poor, and the climbing of irrelevant people cannot be effectively prevented.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
To the above-mentioned shortcoming that prior art exists, the utility model provides a tower crane anti-climbing entrance guard's device can solve prior art effectively and prevent that the climbing effect is relatively poor, can't effectively prevent irrelevant personnel climbing problem.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a tower crane anti-climbing entrance guard device comprises a tower crane standard section and a ladder fixedly connected to the rear side inside the tower crane standard section, wherein an anti-climbing mechanism is arranged in the middle of the tower crane standard section, the anti-climbing mechanism comprises a front shaft rotatably connected to the front side of the middle of the tower crane standard section, connecting frames vertically fixed at the left end and the right end of the front shaft, an entrance guard frame fixedly connected between the rear ends of the two groups of connecting frames, a front anti-climbing frame fixedly connected between the front ends of the two groups of connecting frames, a concave frame rotatably connected to the rear side of the middle of the tower crane standard section through a rear shaft, and a rear anti-climbing frame fixedly connected to the rear side of the concave frame, a plurality of groups of entrance guard rods are uniformly and fixedly connected in the entrance guard frame, locking frames are rotatably connected to the middle of opposite sides of the entrance guard frame and the concave frame through sleeves, locking notches are respectively formed in the bottoms of the two groups of locking notches, locking pieces are lockable between the two groups of locking pieces, and a steel wire rope is fixedly connected to the left parts of opposite sides of the entrance guard frame and the concave frame, the other ends of the two groups of steel wire ropes are fixedly connected with a pull rope, and a plurality of groups of sharp-headed rods are fixedly connected in the front anti-climbing frame and the rear anti-climbing frame.
Furthermore, shaft sleeves which are in rotating fit with the front shaft and the rear shaft are symmetrically arranged on the front side and the rear side of the middle part of the tower crane standard section; the front shaft and the rear shaft are rotatably connected with the tower crane standard knot.
Furthermore, preceding anti-climb frame all includes concave type support body and the outer semicircle support body of fixed connection in the concave type support body outside with back anti-climb frame, the equal fixed connection of point pole is between concave type support body and outer semicircle support body, and outer semicircle support body is all worn out to point pole point head, and the centre of a circle of the equal directional outer semicircle support body of every group point pole axis.
Furthermore, an inner semicircular frame body is fixedly connected between the concave frame body and the outer semicircular frame body; the stability of the whole structure of the front anti-climbing frame and the rear anti-climbing frame is improved, and the stability of the pointed rod in the front anti-climbing frame and the rear anti-climbing frame is improved.
Furthermore, the bottom end of the pull rope is fixedly connected with a pull ring; so as to pull the pull rope downwards.
Advantageous effects
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
the utility model discloses simple structure, through the inside climbing that makes progress of tower crane standard festival from the restriction, and the restriction is from the ascending climbing of tower crane standard festival outside, and the prong through the prong pole, thereby effectively prevent irrelevant personnel climbing, improve anti-climbing effect, the device is not only convenient for remove the anti-climbing restriction to the tower crane standard festival fast simultaneously, be convenient for moreover with entrance guard's frame, preceding anti-climbing frame, mutual fixation between concave frame and the back anti-climbing frame and with the fixed of tower crane standard festival, thereby realize the climbing restriction to the tower crane standard festival.
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 is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the right front side view structure of the present invention;
fig. 2 is a structural schematic diagram of a rear side viewing angle of the present invention;
fig. 3 is a schematic structural view of the bottom side view angle of the present invention;
FIG. 4 is a schematic view of the anti-climb mechanism of the present invention showing a downward side view angle;
FIG. 5 is a schematic view of the anti-climb mechanism of the present invention showing the structure of the upward side view angle;
the reference numerals in the drawings denote: 1-tower crane standard section; 2-climbing a ladder; 3-front axle; 4-a connecting frame; 5-an access control frame; 6-front climbing prevention frame; 7-rear axle; 8-a concave frame; 9-rear climbing prevention frame; 10-an entrance guard bar; 11-a sleeve; 12-a lock frame; 13-locking member; 14-a pull rope; 15-pointed rod; 16-shaft sleeve; 17-inner semicircular frame; 18-pull ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
The tower crane climbing-prevention access control device of the embodiment refers to fig. 1-5: comprises a tower crane standard knot 1 and a ladder 2 fixedly connected with the rear side inside the tower crane standard knot 1, wherein the middle part of the tower crane standard knot 1 is provided with an anti-climbing mechanism, the anti-climbing mechanism comprises a front shaft 3 rotatably connected with the front side of the middle part of the tower crane standard knot 1, connecting frames 4 vertically fixed at the left end and the right end of the front shaft 3, an entrance guard frame 5 fixedly connected between the rear ends of the two groups of connecting frames 4, a front anti-climbing frame 6 fixedly connected between the front ends of the two groups of connecting frames 4, a concave frame 8 rotatably connected with the rear side of the middle part of the tower crane standard knot 1 through a rear shaft 7, and a rear anti-climbing frame 9 fixedly connected with the rear side of the concave frame 8, a plurality of groups of entrance guard rods 10 are uniformly and fixedly connected in the entrance guard frame 5, the middle parts of the opposite sides of the entrance guard frame 5 and the concave frame 8 are rotatably connected with a locking frame 12 through a sleeve 11, the bottoms of the two groups of locking frames 12 are provided with locking notches, and a locking piece 13 is connected between the two groups of locking pieces, the left parts of the opposite sides of the access control frame 5 and the concave frame 8 are fixedly connected with steel wire ropes, the other ends of the two groups of steel wire ropes are fixedly connected with pull ropes 14, and a plurality of groups of sharp-headed rods 15 are fixedly connected in the front anti-climbing frame 6 and the rear anti-climbing frame 9.
Wherein, the front side and the rear side of the middle part of the tower crane standard knot 1 are symmetrically provided with shaft sleeves 16 which are rotationally matched with the front shaft 3 and the rear shaft 7; the front shaft 3 and the rear shaft 7 are rotatably connected with the tower crane standard knot 1.
Wherein, preceding anti-climb frame 6 and back anti-climb frame 9 all include concave type support body and fixed connection at the outer semicircle support body in the concave type support body outside, and equal fixed connection of sharp head pole 15 is between concave type support body and outer semicircle support body, and outer semicircle support body is all worn out to sharp head pole 15 pointedly, and the centre of a circle of the 15 equal directional outer semicircle support body of every sharp head pole of group axis.
Wherein, an inner semicircular frame body 17 is fixedly connected between the concave frame body and the outer semicircular frame body; the stability of the whole structure of the front anti-climbing frame 6 and the rear anti-climbing frame 9 is improved, and the stability of the pointed rod 15 in the front anti-climbing frame 6 and the rear anti-climbing frame 9 is improved.
Wherein, the bottom end of the pull rope 14 is fixedly connected with a pull ring 18; facilitating pulling the pull cord 14 downward.
The working principle is as follows: the tower crane standard knot 1 is positioned at the middle lower part of the whole tower crane, such as a second knot or a third knot close to the ground, when tower crane staff go down from the top of the tower crane to the rear part of the tower crane standard knot 1 and are positioned at the lower half section of the tower crane standard knot 1, a pull ring 18 is pulled, two groups of steel wire ropes are driven to move in opposite directions through a pull rope 14, one ends of the two groups of steel wire ropes far away from the pull rope 14 are close to each other, so that an access control frame 5 and a concave frame 8 rotate in opposite directions, two groups of lock frames 12 move in opposite directions, a front anti-climbing frame 6 and a rear anti-climbing frame 9 rotate upwards to a horizontal position (shown in figures 1-3), a plurality of groups of sharp-head rods 15 are respectively vertical to the tower crane standard knot, the sharp-head parts of the front anti-climbing frame 6 and the concave frame 8 point to the outside, and the two groups of lock frames 12 are locked through a lock piece 13, so that the access control frame 5, the front anti-climbing frame 6, the concave frame 8 and the rear anti-climbing frame 9 are fixed to each other and fixed to the tower crane standard knot 1, the access control frame 5 is internally provided with a plurality of groups of access control rods 10, so that the middle part of the tower crane standard section 1 is closed, personnel are limited from climbing upwards from the inside of the tower crane standard section 1, and the pointed ends of the groups of pointed rods 15 point outwards, so that the tower crane standard section 1 is effectively prevented from climbing upwards from the outside of the tower crane standard section 1, and climbing limitation on the tower crane standard section 1 is realized; when tower crane staff need upwards climb tower crane standard festival 1, can be to opening latch fitting 13, take off from two sets of locks 12, this moment because preceding anti-climb frame 6 and sharp head pole 15 whole weight are greater than entrance guard's frame 5 and entrance guard's pole 10, and back anti-climb frame 9 and sharp head pole 15 whole weight are greater than concave frame 8, then preceding anti-climb frame 6 and back anti-climb frame 9 all rotate downwards, even make entrance guard's frame 5 and concave frame 8 open each other, and preceding anti-climb frame 6 and back anti-climb frame 9 open downwards respectively, thereby realize removing the anti-climb restriction to this tower crane standard festival 1 fast, and then the staff of being convenient for passes through this tower crane standard festival 1 fast.
The device simple structure, save 1 inside climbing upwards from the tower crane standard through the restriction, and the restriction is saved 1 outside climbing upwards from the tower crane standard, and the prong through prong 15, thereby effectively prevent irrelevant personnel climbing, improve anti-climb effect, the device not only is convenient for remove the anti-climb restriction to tower crane standard festival 1 fast simultaneously, and be convenient for put up 5 with entrance guard, preceding anti-climb frame 6, mutual fixation between concave frame 8 and the back anti-climb frame 9 and with tower crane standard festival 1's fixed, thereby realize the climbing restriction to tower crane standard festival 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a tower crane anti-climb entrance guard's device, includes tower crane standard festival (1) and fixed connection cat ladder (2) of the inside rear side of tower crane standard festival (1), its characterized in that: the anti-climbing mechanism is arranged in the middle of the tower crane standard joint (1), the anti-climbing mechanism comprises a front shaft (3) which is rotatably connected to the front side of the middle of the tower crane standard joint (1), connecting frames (4) which are vertically fixed at the left end and the right end of the front shaft (3), an access control frame (5) which is fixedly connected between the rear ends of the two groups of connecting frames (4), a front anti-climbing frame (6) which is fixedly connected between the front ends of the two groups of connecting frames (4), a concave frame (8) which is rotatably connected to the rear side of the middle of the tower crane standard joint (1) through a rear shaft (7), and a rear anti-climbing frame (9) which is fixedly connected to the rear side of the concave frame (8), a plurality of groups of rods (10) are uniformly and fixedly connected in the access control frame (5), the middle of the opposite sides of the access control frame (5) and the concave frame (8) are rotatably connected with a locking frame (12) through a sleeve (11), the bottoms of the two groups of locking frames (12) are respectively provided with locking openings, a locking piece (13) can be locked between the two groups of locking openings, steel wire ropes are fixedly connected to the left parts of the opposite sides of the entrance guard frame (5) and the concave frame (8), pull ropes (14) are fixedly connected between the other ends of the two groups of steel wire ropes, and a plurality of groups of sharp-headed rods (15) are fixedly connected in the front anti-climbing frame (6) and the rear anti-climbing frame (9).
2. The tower crane anti-climbing access control device according to claim 1, wherein shaft sleeves (16) which are in running fit with the front shaft (3) and the rear shaft (7) are symmetrically arranged on the front side and the rear side of the middle part of the tower crane standard knot (1) in a left-right mode.
3. The tower crane anti-climbing entrance guard device according to claim 1, wherein the front anti-climbing frame (6) and the rear anti-climbing frame (9) comprise a concave frame body and an outer semicircular frame body fixedly connected to the outer side of the concave frame body, the pointed rods (15) are fixedly connected between the concave frame body and the outer semicircular frame body, the pointed ends of the pointed rods (15) penetrate out of the outer semicircular frame body, and the axis of each group of the pointed rods (15) points to the center of the outer semicircular frame body.
4. The tower crane anti-climbing access control device according to claim 3, wherein an inner semicircular frame body (17) is fixedly connected between the concave frame body and the outer semicircular frame body.
5. The tower crane anti-climbing access control device according to claim 1, wherein a pull ring (18) is fixedly connected to the bottom end of the pull rope (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317491.2U CN214217995U (en) | 2020-12-31 | 2020-12-31 | Tower crane anti-climbing entrance guard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317491.2U CN214217995U (en) | 2020-12-31 | 2020-12-31 | Tower crane anti-climbing entrance guard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214217995U true CN214217995U (en) | 2021-09-17 |
Family
ID=77708123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023317491.2U Expired - Fee Related CN214217995U (en) | 2020-12-31 | 2020-12-31 | Tower crane anti-climbing entrance guard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214217995U (en) |
-
2020
- 2020-12-31 CN CN202023317491.2U patent/CN214217995U/en not_active Expired - Fee Related
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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: 20210917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |