CN214114732U - Tower crane anti-climb safety device - Google Patents
Tower crane anti-climb safety device Download PDFInfo
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- CN214114732U CN214114732U CN202022962048.4U CN202022962048U CN214114732U CN 214114732 U CN214114732 U CN 214114732U CN 202022962048 U CN202022962048 U CN 202022962048U CN 214114732 U CN214114732 U CN 214114732U
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Abstract
The utility model discloses a tower crane anti-climb safety device, including the tower crane body, the welding of tower crane body's bottom inner wall has two fixed plates, and the top outer wall of tower crane body installs two first servo motor through the bolt in proper order, it is equipped with two lifting screw to insert on the tower crane body, and the cover is equipped with same diplopore thread bush on two lifting screw, two lifting screw respectively with two first servo motor's output shaft, the welding of diplopore thread bush's top center outer wall has the guard box, two the spacing groove has all been seted up to one side inner wall that the fixed plate is close to each other. The utility model discloses a first servo motor's drive can let the protective housing move on vertical direction, and when such staff fell, the memory sponge protection pad on the protective housing was closer apart from the staff than to can alleviate the injury that the staff health caused, and other staff can in time be reminded to the alarm.
Description
Technical Field
The utility model relates to a tower crane safety device technical field especially relates to a tower crane anti-climb safety device.
Background
Through retrieval, the patent with the Chinese patent publication number of CN211393634U discloses a tower crane anti-climbing safety protection device, a protection pad is arranged at the bottom of a tower crane body, a compression spring and a bottom plate are arranged below the protection pad, the protection and shock absorption effects can be achieved through the compression spring and the protection pad, when workers fall on the protection pad, a certain shock absorption effect can be achieved, and the occurrence of casualties caused by falling of the workers can be reduced; by arranging the protection mechanism and arranging the damping inner sleeve and the fixing belt on the outer side of the protection mechanism, the damping inner sleeve can be fixedly fastened in the protection shell through the fixing belt, and meanwhile, the damping inner sleeve can reduce friction between workers and the protection shell, so that the body of the workers can be prevented from being damaged; simultaneously, the protective housing sets to the arc state, can fix the protective housing card in the outside of staff's health, and then can play good guard action.
The above patents suffer from the following disadvantages: on one hand, the position of the safety device in the patent can not be reasonably adjusted along with the climbing height of a worker, so that when the worker falls from a high place onto the safety device, due to the fact that inertia is large, the worker can have a simple protection effect, but the worker can still be injured on the body of the worker; on the other hand, the above patent lacks the function of warning, and once a safety accident occurs to a worker, the worker cannot timely inform others of the help for rescuing the worker. Therefore, a tower crane anti-climbing safety protection device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a tower crane anti-climbing safety device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tower crane anti-climbing safety device comprises a tower crane body, wherein two fixed plates are welded on the inner bottom wall of the tower crane body, two first servo motors are sequentially installed on the outer top wall of the tower crane body through bolts, two lifting screw rods are inserted on the tower crane body and sleeved with the same double-hole threaded sleeve, the two lifting screw rods are respectively connected with output shafts of the two first servo motors, a protective box is welded on the outer top center wall of the double-hole threaded sleeve, limiting grooves are formed in the inner walls, close to each other, of the two fixed plates, the inner top walls and the inner bottom walls of the two limiting grooves are respectively welded with the same conducting plate column, first damping springs are sleeved on the two conducting plate columns, the outer walls of the two sides of the double-hole threaded sleeve are respectively connected with the inner walls of the two limiting grooves in a sliding manner, and a controller and an alarm are sequentially installed on the inner bottom wall of the tower crane body through bolts, the protection box is characterized in that fixing columns distributed equidistantly are inserted into the top of the protection box, the outer walls of the top ends of the fixing columns are welded with the same mounting plate, the outer wall of the top of the mounting plate is bonded with a memory sponge protection pad, the outer walls of the bottom ends of the fixing columns are welded with the same first conducting strip positioned in the protection box, a second conducting strip is arranged below the first conducting strip, a second damping spring is sleeved on each fixing column, four protection mechanisms distributed annularly are arranged in the protection box, each protection mechanism comprises a fixing block welded on the inner wall of the protection box, a threaded rod screwed on the fixing block, a driven gear sleeved on the threaded rod, a protection plate connected with the top end of the threaded rod through a bearing and a limiting ring welded on the outer wall of the bottom end of the threaded rod, a second servo motor is installed on the inner wall of the bottom of the protection box through a bolt, and a driving gear is coaxially sleeved on an output shaft of the second servo motor, four driven gear meshing has same annular rack, and the driving gear meshes with one of them driven gear, alarm sensor is installed to one side outer wall of protective housing, and the passageway with the fender looks adaptation is seted up to the top inner wall of protective housing.
Preferably, two the top of lifting screw all is through the top inner wall connection of bearing and tower crane body, and the bottom of two lifting screw all is through the bottom inner wall connection of bearing and tower crane body.
Preferably, the top outer walls of the two first damping springs are welded to the top inner walls of the two limiting grooves respectively, and the bottom outer walls of the two first damping springs are welded to the top outer wall of the double-hole threaded sleeve.
Preferably, two conducting strip holes are formed in the double-hole threaded sleeve, and the outer walls of the two conducting strip columns are respectively connected with the inner walls of the two conducting strip holes in a sliding mode.
Preferably, the welding of the top outer wall of second conducting strip has two connecting rods, and the top outer wall of two connecting rods all welds at the top inner wall of protective housing, and a plurality of second damping spring's top outer wall all welds at the bottom outer wall of mounting panel, and a plurality of second damping spring's bottom outer wall all welds at the top outer wall of protective housing.
Preferably, a threaded hole is formed in the driven gear, the threaded rod is in threaded connection with the threaded hole, and the outer diameter of the limiting ring is larger than that of the threaded hole.
Preferably, two first servo motor and second servo motor all are connected with the switch of reversing through the wire, and the switch of reversing is connected with the power cord.
The utility model has the advantages that:
1. through the matched use of the first servo motor, the lifting screw rod, the double-hole threaded sleeve, the first damping spring, the second damping spring and the memory sponge protection pad, in order to prevent serious casualties caused by safety accidents when workers climb, the protection box can be moved in the vertical direction through the driving of the first servo motor, so that when the workers fall down, the memory sponge protection pad on the protection box is closer to the workers, and the injury caused by the bodies of the workers can be reduced;
2. protection machanism through four annular distributions, first conducting strip, the second conducting strip, second servo motor, driving gear and alarm sensor's cooperation is used, when the staff falls to memory sponge protection pad on, first conducting strip makes alarm sensor work with the contact of second conducting strip this moment, controller control alarm and second servo motor work like this, finally four guard plates rise and further protect the staff, and the alarm can in time remind other staff, let the staff of falling injury can be timely obtain rescue help.
Drawings
Fig. 1 is a schematic structural view of an anti-climbing safety device for a tower crane according to the present invention;
FIG. 2 is an enlarged schematic structural view of the interior of a protective box in the anti-climbing safety device for a tower crane provided by the present invention;
fig. 3 is a schematic view of a top view structure of four driven gears meshed with an annular rack in the anti-climbing safety device for a tower crane provided by the utility model;
fig. 4 is the utility model provides a overlook schematic structure of protective housing among tower crane anti-climb safety device.
In the figure: 1 tower crane body, 2 fixed plates, 3 first servo motor, 4 lifting screw rods, 5 diplopore thread bush, 6 protective boxes, 7 spacing grooves, 8 conducting strip columns, 9 first damping springs, 10 controllers, 11 alarms, 12 fixed columns, 13 mounting plates, 14 memory sponge protection pads, 15 first conducting strips, 16 second conducting strips, 17 fixed blocks, 18 threaded rods, 19 driven gears, 20 annular racks, 21 second servo motor, 22 driving gears, 23 protection plates, 24 channels, 25 second damping springs, 26 spacing rings, 27 alarm sensors, 28 threaded holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a tower crane anti-climbing safety device comprises a tower crane body 1, two fixing plates 2 are welded on the bottom inner wall of the tower crane body 1, two first servo motors 3 are sequentially installed on the top outer wall of the tower crane body 1 through bolts, two lifting screws 4 are inserted on the tower crane body 1, the two lifting screws 4 are sleeved with a same double-hole threaded sleeve 5, the two lifting screws 4 are respectively connected with output shafts of the two first servo motors 3, a protective box 6 is welded on the top central outer wall of the double-hole threaded sleeve 5, a limiting groove 7 is respectively formed in the inner wall of one side, close to each other, of the two fixing plates 2, the top inner wall and the bottom inner wall of the two limiting grooves 7 are respectively welded with a same conductive plate column 8, first damping springs 9 are respectively sleeved on the two conductive plate columns 8, the outer walls of the two sides of the double-hole threaded sleeve 5 are respectively connected with the inner walls of the two limiting grooves 7 in a sliding manner, the inner wall of the bottom of the tower crane body 1 is sequentially provided with a controller 10 and an alarm 11 through bolts, fixing columns 12 distributed at equal intervals are inserted into the top of a protection box 6, the outer wall of the top end of each fixing column 12 is welded with a same mounting plate 13, the outer wall of the top of each mounting plate 13 is adhered with a memory sponge protection pad 14, the outer wall of the bottom end of each fixing column 12 is welded with a first conductive plate 15 positioned in the protection box 6, a second conductive plate 16 is arranged below the first conductive plate 15, a second damping spring 25 is sleeved on each fixing column 12, the protection box 6 can move in the vertical direction through the matching use of a first servo motor 3, a lifting screw rod 4, a double-hole thread sleeve 5, a first damping spring 9, a second damping spring 25 and the memory sponge protection pad 14, in order to prevent serious casualties caused by safety accidents when workers climb, when the worker falls, the memory sponge protective pad 14 on the protective box 6 is closer to the worker, so that the injury to the body of the worker can be reduced;
four protection mechanisms which are distributed annularly are arranged in the protection box 6, each of the four protection mechanisms comprises a fixed block 17 welded on the inner wall of the protection box 6, a threaded rod 18 screwed on the fixed block 17, a driven gear 19 sleeved on the threaded rod 18, a protection plate 23 connected with the top end of the threaded rod 18 through a bearing and a limit ring 26 welded on the outer wall of the bottom end of the threaded rod 18, a second servo motor 21 is installed on the inner wall of the bottom of the protection box 6 through a bolt, a driving gear 22 is coaxially sleeved on an output shaft of the second servo motor 21, the four driven gears 19 are meshed with the same annular rack 20, the driving gear 22 is meshed with one driven gear 19, an alarm sensor 27 is installed on the outer wall of one side of the protection box 6, a channel 24 matched with the protection plate 23 is formed in the inner wall of the top of the protection box 6, the top ends of the two lifting screw rods 4 are connected with the inner wall of the top of the tower crane body 1 through bearings, the bottom ends of the two lifting screw rods 4 are connected with the bottom inner wall of the tower crane body 1 through bearings, the top outer walls of the two first damping springs 9 are respectively welded on the top inner walls of the two limiting grooves 7, the bottom outer walls of the two first damping springs 9 are respectively welded on the top outer wall of the double-hole threaded sleeve 5, two conducting sheet holes are formed in the double-hole threaded sleeve 5, the outer walls of the two conducting sheet columns 8 are respectively connected with the inner walls of the two conducting sheet holes in a sliding mode, the top outer wall of the second conducting sheet 16 is welded with two connecting rods, the top outer walls of the two connecting rods are respectively welded on the top inner wall of the protection box 6, the top outer walls of the plurality of second damping springs 25 are respectively welded on the bottom outer wall of the mounting plate 13, the bottom outer walls of the plurality of second damping springs 25 are respectively welded on the top outer wall of the protection box 6, the driven gear 19 is provided with threaded holes 28, and the threaded rods 18 are in threaded connection with the threaded holes 28, and the external diameter size of spacing collar 26 is greater than the external diameter size of screw hole 28, first servo motor 3 and second servo motor 21 all are connected with the switch of falling in the same direction through the wire, the switch of falling in the same direction is connected with the power cord, protection machanism through four annular distributions, first conducting strip 15, second conducting strip 16, second servo motor 21, driving gear 22 and alarm sensor 27's cooperation is used, when the staff falls to memory sponge protection pad 14 on, first conducting strip 15 makes alarm sensor 27 work with the contact of second conducting strip 16 this moment, controller 10 control alarm 11 and the work of second servo motor 21 like this, finally four guard plates 23 rise and further protect the staff, and alarm 11 can in time remind other staff, let the staff that falls impaired can be timely obtain rescue help.
The working principle is as follows: in order to prevent safety accidents when workers climb a tower crane, the safety device is needed, when the workers climb, the controller 10 below is debugged to normally control all electrical components, then two first servo motors 3 drive two lifting screws 4 to rotate, under the limit of two limit grooves 7, a double-hole threaded sleeve 5 drives a protective box 6 to move upwards and be always positioned below the workers, so that when the workers fall down, a memory sponge protective pad 14 on the protective box 6 is closer to the workers, the injury caused by the bodies of the workers can be reduced, when the workers fall down onto the memory sponge protective pad 14, the first conducting strip 15 is in contact with a second conducting strip 16 to enable an alarm sensor 27 to work, and the controller 10 controls an alarm 11 and a second servo motor 21 to work, other staff are in time reminded to alarm 11, let the staff that falls the injury can be timely obtain rescue help, second servo motor 21 drive driving gear 22 rotates, thereby the driven gear 19 with it meshing rotates, under the effect of annular rack 20, finally four driven gear 19 rotate, because four threaded rods 18 respectively with four driven gear 19 threaded connection and with four fixed block 17 spiro union respectively, and pass through the bearing with four guard plates 23 again and be connected, four guard plates 23 can rise like this, thereby further protect staff's safety, finally under two first servo motor 3's drive, guard box 6 descends to bottommost, thereby can in time save the staff that falls the injury, and four guard plates 23 are withdrawed to in guard box 6.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The anti-climbing safety device for the tower crane comprises a tower crane body (1) and is characterized in that two fixing plates (2) are welded on the inner wall of the bottom of the tower crane body (1), two first servo motors (3) are sequentially installed on the outer wall of the top of the tower crane body (1) through bolts, two lifting screws (4) are inserted on the tower crane body (1), the two lifting screws (4) are sleeved with the same double-hole threaded sleeve (5), the two lifting screws (4) are respectively connected with output shafts of the two first servo motors (3), a protective box (6) is welded on the outer wall of the center of the top of the double-hole threaded sleeve (5), two limiting grooves (7) are respectively formed in the inner wall of one side, close to each other, of the two fixing plates (2), and the same column (8) is welded on the inner walls of the top and the bottom of the two limiting grooves (7), two all the sleeves of the conducting strip columns (8) are provided with first damping springs (9), the outer walls of the two sides of the double-hole threaded sleeve (5) are respectively in sliding connection with the inner walls of the two limiting grooves (7), the inner wall of the bottom of the tower crane body (1) is sequentially provided with a controller (10) and an alarm (11) through bolts, the top of the protective box (6) is inserted with fixing columns (12) distributed equidistantly, the outer wall of the top of each fixing column (12) is welded with the same mounting plate (13), the outer wall of the top of the mounting plate (13) is bonded with a memory sponge protective pad (14), the outer wall of the bottom of each fixing column (12) is welded with the same first conducting strip (15) positioned in the protective box (6), a second conducting strip (16) is arranged below the first conducting strip (15), and a second damping spring (25) is sleeved on each fixing column (12), the protection box is characterized in that four protection mechanisms distributed in an annular mode are arranged in the protection box (6), each protection mechanism comprises a fixing block (17) welded on the inner wall of the protection box (6), a threaded rod (18) screwed on the fixing block (17), a driven gear (19) sleeved on the threaded rod (18), a protection plate (23) connected with the top end of the threaded rod (18) through a bearing and a limiting ring (26) welded on the outer wall of the bottom end of the threaded rod (18), a second servo motor (21) is installed on the inner wall of the bottom of the protection box (6) through a bolt, a driving gear (22) is coaxially sleeved on an output shaft of the second servo motor (21), four driven gears (19) are meshed with the same annular rack (20), the driving gear (22) is meshed with one driven gear (19), an alarm sensor (27) is installed on the outer wall of one side of the protection box (6), and the inner wall of the top of the protective box (6) is provided with a channel (24) matched with the protective plate (23).
2. The anti-climbing safety device of the tower crane according to claim 1, wherein the top ends of the two lifting screws (4) are connected with the inner wall of the top of the tower crane body (1) through bearings, and the bottom ends of the two lifting screws (4) are connected with the inner wall of the bottom of the tower crane body (1) through bearings.
3. The anti-climbing safety device of the tower crane according to claim 1, wherein the top outer walls of the two first damping springs (9) are welded to the top inner walls of the two limiting grooves (7) respectively, and the bottom outer walls of the two first damping springs (9) are welded to the top outer walls of the double-hole threaded sleeve (5).
4. The anti-climbing safety device of the tower crane according to claim 1, wherein the double-hole threaded sleeve (5) is provided with two conductive sheet holes, and outer walls of the two conductive sheet columns (8) are respectively connected with inner walls of the two conductive sheet holes in a sliding manner.
5. The tower crane anti-climbing safety device according to claim 1, wherein the top outer wall of the second conducting strip (16) is welded with two connecting rods, the top outer walls of the two connecting rods are welded on the top inner wall of the protective box (6), the top outer walls of the second damping springs (25) are welded on the bottom outer wall of the mounting plate (13), and the bottom outer walls of the second damping springs (25) are welded on the top outer wall of the protective box (6).
6. The tower crane anti-climbing safety device according to claim 1, wherein the driven gear (19) is provided with a threaded hole (28), the threaded rod (18) is in threaded connection with the threaded hole (28), and the outer diameter of the limiting ring (26) is larger than that of the threaded hole (28).
7. The tower crane anti-climbing safety device according to claim 1, wherein the two first servo motors (3) and the second servo motor (21) are connected with a reversing switch through wires, and the reversing switch is connected with a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962048.4U CN214114732U (en) | 2020-12-10 | 2020-12-10 | Tower crane anti-climb safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962048.4U CN214114732U (en) | 2020-12-10 | 2020-12-10 | Tower crane anti-climb safety device |
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| Publication Number | Publication Date |
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| CN214114732U true CN214114732U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022962048.4U Active CN214114732U (en) | 2020-12-10 | 2020-12-10 | Tower crane anti-climb safety device |
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| CN (1) | CN214114732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873466A (en) * | 2022-05-16 | 2022-08-09 | 广西壮族自治区特种设备检验研究院 | Tower crane climbing conveyor |
-
2020
- 2020-12-10 CN CN202022962048.4U patent/CN214114732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873466A (en) * | 2022-05-16 | 2022-08-09 | 广西壮族自治区特种设备检验研究院 | Tower crane climbing conveyor |
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