CN113279594B - Safety hanging net system for building construction - Google Patents
Safety hanging net system for building construction Download PDFInfo
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- CN113279594B CN113279594B CN202110669495.7A CN202110669495A CN113279594B CN 113279594 B CN113279594 B CN 113279594B CN 202110669495 A CN202110669495 A CN 202110669495A CN 113279594 B CN113279594 B CN 113279594B
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- rod
- cutting
- rope
- buffer
- supporting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/22—Safety devices specially adapted for cutting machines
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application relates to a building construction safety hanging net system, which comprises a fixed rope and a hanging frame which are fixedly arranged, wherein the hanging frame is fixedly provided with a hanging rope, the building construction safety hanging net system also comprises a supporting net which is fixed between the hanging rope and the fixed rope, the supporting net is connected with a supporting rope, one end of the supporting rope is fixedly connected with the fixed rope, and the other end of the supporting rope is connected with a buffer mechanism; the buffer mechanism comprises a buffer box fixed on the suspension rope, a sliding rod is connected on the buffer box in a sliding manner, a buffer plate is fixedly arranged on the part of the sliding rod extending into the buffer box, and the part of the sliding rod extending out of the buffer box is fixedly connected with the support rope; the buffer box is internally provided with non-Newtonian fluid, and the buffer box is internally provided with a buffer spring which applies acting force to the buffer plate in the direction away from the fixed rope; be provided with cutting device on the buffer box, after the buffer board removed fixed position towards fixed rope direction, cutting device cut off the stay rope. This application has the effect that improves the protection security of protection network.
Description
Technical Field
The application relates to the field of construction safety facilities, in particular to a building construction safety hanging net system.
Background
The high-altitude operation in the building industry still requires people to operate at high altitude. With the increase of high-rise buildings and scaffolds, accidents caused by falling objects, personnel falling and the like from high places frequently occur. The protective net is arranged around the scaffold, so that the accidents of falling objects and people from high places can be effectively solved or alleviated.
In view of the above-mentioned related technologies, the inventor thinks that there is a person falling on the protection net, because the protection net is in the relaxed state at first, receive the rapid tensioning behind the effort, the effect is great to human instantaneous pressure, and the protection net has certain elasticity simultaneously, and the person falls behind, and the protection net can appear bouncing up the human body sometimes, causes the defect of secondary injury's phenomenon to the human body.
Disclosure of Invention
In order to improve the protection security of protection network, this application provides a construction safety hangs net system.
The application provides a safe suspended net system of construction adopts following technical scheme:
a safety hanging net system for building construction comprises a fixed rope and a hanging frame which are fixedly arranged, wherein the hanging frame is fixedly provided with a hanging rope, the safety hanging net system also comprises a supporting net which is fixed between the hanging rope and the fixed rope, the supporting net is connected with a supporting rope, one end of the supporting rope is fixedly connected with the fixed rope, and the other end of the supporting rope is connected with a buffer mechanism;
the buffer mechanism comprises a buffer box fixed on the suspended rope, a sliding rod is connected onto the buffer box in a sliding manner, a buffer plate is fixedly arranged on the part of the sliding rod extending into the buffer box, and the part of the sliding rod extending out of the buffer box is fixedly connected with the supporting rope;
the non-Newtonian fluid is arranged in the buffer box, the buffer spring is arranged in the buffer box, and the buffer spring applies acting force to the buffer plate in the direction away from the fixed rope;
be provided with cutting device on the buffer box, after the buffer board removed fixed position towards fixed rope direction, cutting device cut off the supporting rope.
By adopting the technical scheme, when a person falls onto the supporting rope and the supporting net, the person firstly presses against the supporting rope, the supporting net is still in a loose state at the moment, the person applies impact acting force to the supporting rope, the supporting rope drives the buffer plate to move in the buffer box, and because the non-Newtonian fluid is arranged in the buffer box, when the buffer plate applies larger pressure to the non-Newtonian fluid, the viscosity of the non-Newtonian fluid is increased, the hardness is larger, the movement of the buffer plate is hindered, thereby absorbing the impact energy of the supporting rope, when the pressure is overlarge, the shearing action of the non-Newtonian fluid with the larger viscosity is increased, the viscosity of the non-Newtonian fluid with the larger viscosity is reduced again, the buffer plate can still move in the buffer box, after the buffer plate moves for a certain distance, the viscosity of the non-Newtonian fluid is increased again, so that the buffer plate can absorb energy left and right under the tension of the support rope;
when the buffer plate moves to a set position, the cutting device is started, one end of the supporting rope is cut off by the cutting device, and the supporting net supports the human body at the moment;
the buffering time of people can be prolonged through multiple buffering, the impact energy of people falling is better absorbed, and meanwhile, the safety of the hanging net is improved; meanwhile, the supporting rope is cut off, so that the reaction force of the supporting rope and the supporting net to a person is large after the supporting rope is tensioned, and the person is rebounded to cause further injury.
Preferably, the cutting device comprises an actuating rod fixedly connected with the buffer plate, and the sliding direction of the actuating rod is the same as that of the sliding rod;
the cutting device further comprises a cutting rod which slides along the direction perpendicular to the sliding direction of the starting rod, the cutting rod is connected with the buffer box in a sliding mode, a limiting piece is connected to the cutting rod, and a cutting knife is fixedly arranged on the cutting rod; a cutting spring is arranged between the cutting rod and the buffer box, and the cutting spring can drive the cutting knife to move towards the direction of the supporting rope under the action of the cutting spring on the cutting rod;
after the starting rod slides for a certain distance, the starting rod can abut against the limiting part to press the limiting part to exert an effect, so that the limiting part is separated from the cutting rod, and the limitation of the limiting part on the cutting rod is removed.
By adopting the technical scheme, the starting rod cannot be pressed against the limiting piece under the ordinary conditions of daily wind or artificial pulling of the supporting rope; when the pulling force effect that the buffer board received is great, exert the impact effect to the stay cord like people or heavy object, the stay cord will act on and transmit for the buffer board, and the buffer board removes to drive the actuating lever and removes, and actuating lever and locating part support to press and make locating part and cutting rod separation, and the cutting spring drives the cutting rod removal this moment, and the cutting rod passes through the cutting knife and cuts off the operation to the stay cord, realizes cutting device to the cutting of stay cord.
Preferably, the buffer box is connected with a supporting block in a sliding manner, and the cutting rod is used for being connected with the supporting block in a sliding manner;
the cutting device comprises a pushing mechanism, and the pushing mechanism is used for applying acting force to the supporting block to drive the supporting block to move to a position where the limiting part can correspond to the starting rod.
Through adopting above-mentioned technical scheme, receive under great pulling force effect as the buffer board, advancing mechanism starts, and advancing mechanism drives cutting device and removes the back, just can make locating part and actuating lever correspond, and actuating lever could trigger cutting device and start this moment, guarantees daily windy, or under the general condition when artificial pulling supporting rope, the actuating lever can not support and press the locating part.
Preferably, the pushing mechanism comprises a pushing rod which is slidably connected with the buffer box, the pushing rod is fixedly connected with the supporting block, a guide sleeve is sleeved outside the pushing rod, a pushing spring is arranged on the pushing rod, and the pushing spring exerts force on the pushing rod to drive the cutting device to move, so that the limiting piece on the cutting device moves to a position corresponding to the starting rod;
a limiting groove is formed in the side face of the pushing rod, a spring catch is connected in the limiting groove, and locking ring grooves and limiting ring grooves which are arranged at intervals along the axis direction are formed in the inner side of the guide sleeve;
a pressure pipe is fixedly arranged on the guide sleeve, a pressure film is fixedly arranged at one end of the pressure pipe connected with the guide sleeve, fluid is filled in the pressure pipe, and the pressure pipe is communicated with the inner cavity of the guide sleeve after the pressure film is damaged; and one end of the pressure pipe, which is far away from the guide sleeve, is communicated with a buffer ball fixedly connected with the buffer plate.
By adopting the technical scheme, when the buffer plate is suddenly subjected to larger pulling force of the sliding rod, the buffer plate is abutted against non-Newtonian fluid in the buffer box, the pressure of the non-Newtonian fluid close to the buffer plate is rapidly increased at the moment, the buffer ball is pressed, the fluid in the buffer ball is applied with pressure, through the conduction of the fluid in the pressure pipe, the pressure film at the connecting end of the pressure pipe and the guide sleeve is damaged, the high-pressure fluid in the pressure pipe can push the push rod at the moment, the spring stop column on the push rod is separated from the limiting ring groove, the push spring drives the push rod to move at the moment, the push rod moves to drive the supporting block to move, the supporting block moves to drive the cutting device to move, and the limiting part on the cutting device can correspond to the position of the starting rod; when the acting force that the buffer board received is less, the buffer board is less to the pressure that non-Newton fluid applyed, and non-Newton fluid can not extrude the buffering ball, guarantees daily windy, or when artificial pulling support rope, and the buffer board removes and can not start advancing mechanism.
Preferably, at least two suspension ropes are fixedly arranged on the suspension frame, and the buffer box is fixedly connected with the two suspension ropes.
By adopting the technical scheme, the two suspension ropes are connected with the buffer box, so that the connection stability of the buffer box can be improved; meanwhile, the two hanging ropes can improve the connection stability of the supporting net and further improve the use safety of the supporting net.
Preferably, a plastic screw is fixedly arranged on the limiting piece and is in threaded connection with the cutting rod.
Through adopting above-mentioned technical scheme, when actuating lever and locating part support and press, the back separation of fracture between locating part and the plasticity screw rod, the locating part contact is to the restriction of cutting rod this moment, and the cutting rod can remove under the effect of cutting spring.
Preferably, a notch groove is formed in the outer side of one end, close to the limiting part, of the plastic screw rod.
Through adopting above-mentioned technical scheme, the setting of breach groove is convenient for guarantee that the starting lever exerts the effort back to the locating part, fracture separation between plasticity screw rod and the locating part.
Preferably, the buffer box is fixedly provided with a protective cover, the protective cover covers the cutting device, and the protective cover is provided with a yielding hole for accommodating the support rope to stretch out.
Through adopting above-mentioned technical scheme, in the protection casing can avoid impurity entering cutting device, influence cutting device's normal use, the condition that can avoid the part in the cutting device to drop takes place simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a person falls onto the supporting rope and the supporting net, the person firstly presses against the supporting rope, the supporting net is still in a loose state at the moment, the person applies impact acting force to the supporting rope, the supporting rope drives the buffer plate to move in the buffer box, due to the fact that the non-Newtonian fluid is arranged in the buffer box, when the buffer plate applies larger pressure to the non-Newtonian fluid, the viscosity of the non-Newtonian fluid is increased, the hardness is larger, the movement of the buffer plate is blocked, and therefore the impact energy of the supporting rope is absorbed, when the pressure is too large, the shearing action of most of the non-Newtonian fluid with higher viscosity is increased, at the moment, the viscosity of most of the non-Newtonian fluid with higher viscosity is reduced again, the buffer plate still can move in the buffer box, after the buffer plate moves for a certain distance, the viscosity of the non-Newtonian fluid is increased again, and accordingly the absorption of the energy of the buffer plate under the left and right sides of the tensile force of the supporting rope is achieved; when the buffer plate moves to a set position, the cutting device is started, one end of the supporting rope is cut off by the cutting device, and the supporting net supports the human body at the moment; the buffering time of people can be prolonged through multiple buffering, the impact energy of people falling is better absorbed, and meanwhile, the safety of the hanging net is improved; meanwhile, the supporting rope is cut off, so that the reaction force of the supporting rope and the supporting net to a person is large after the supporting rope is tensioned, and the person is rebounded to cause further injury;
2. in the ordinary condition of daily wind or artificial pulling of the supporting rope, the starting rod cannot be pressed against the limiting piece; when the buffer plate is subjected to a large tensile force, if a person or a heavy object exerts an impact effect on the supporting rope, the supporting rope transmits the effect to the buffer plate, the buffer plate moves to drive the starting rod to move, the starting rod is pressed against the limiting piece to separate the limiting piece from the cutting rod, the cutting spring drives the cutting rod to move at the moment, and the cutting rod cuts off the supporting rope through the cutting knife, so that the supporting rope is cut by the cutting device;
3. the protection casing can avoid impurity to get into cutting device in, influences cutting device's normal use, can avoid the condition emergence that the part in the cutting device dropped simultaneously.
Drawings
FIG. 1 is a schematic diagram of an embodiment showing the relationship between a suspension frame and a support net;
FIG. 2 is a schematic diagram of an embodiment showing the relationship between support lines and a support net;
FIG. 3 is a schematic sectional view showing a structural part of the buffer box and the inner cavity structure of the shield in the embodiment;
fig. 4 is a schematic sectional view showing the pushing mechanism and the cutting mechanism in the embodiment.
Description of reference numerals: 11. fixing a rope; 12. suspending the overhead frame; 13. a hanging rope; 14. a support net; 15. a support line; 2. a buffer mechanism; 21. a buffer box; 22. a buffer plate; 23. a buffer spring; 24. a slide bar; 3. a cutting device; 31. an actuating lever; 32. cutting the rod; 321. cutting a ring; 33. a limiting member; 331. a plastic screw; 332. a notch groove; 34. a cutting knife; 35. cutting the spring; 36. cutting the sleeve; 4. a propulsion mechanism; 41. a support block; 42. a push rod; 421. a limiting groove; 422. a spring catch post; 43. a guide sleeve; 431. a locking ring groove; 432. a limiting ring groove; 44. a pressure pipe; 441. a pressure membrane; 442. a buffer ball; 45. a propulsion spring; 5. a shield.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses construction safety suspended net system.
Referring to fig. 1 and 2, a building construction safety hanging net system includes fixed ropes 11 and a hanging frame 12 both fixed to the wall, one end of the hanging frame 12 far away from the wall is fixed with hanging ropes 13, the hanging ropes 13 are fixed with two on the hanging frame 12, a supporting net 14 is fixedly connected between the hanging ropes 13 and the fixed ropes 11, two ends of the supporting net 14 in the width direction are respectively connected with the two hanging ropes 13 and the fixed ropes 11, and the supporting net 14 is generally arranged in a circumferential ring shape of the building. Two unsettled ropes 13 can improve the stability that supporting network 14 connects, improve the security that supporting network 14 used, are provided with the enhancement rope along its circumference interval on the supporting network 14, and the clearance between the enhancement rope is 5 meters, the both ends of strengthening the rope respectively with fixed rope 11 and unsettled 13 fixed connection of restricting, strengthen the rope and can improve the stability after supporting network 14 self receives the effort.
Be connected with supporting rope 15 on the supporting network 14, supporting rope 15 passes the mesh of supporting network 14 in proper order, supporting rope 15 sets up a plurality ofly along supporting network 14 circumference interval, supporting rope 15's clearance is 1 meter, supporting rope 15 one end and fixed rope 11 fixed connection, the other end is connected with the buffer gear 2 of connecting on unsettled rope 13, supporting rope 15 is in relaxation state for supporting network 14, when the heavy object falls on supporting network 14 and supporting rope 15, the heavy object receives the effort of supporting rope 15 earlier, after the heavy object continues the tenesmus, supporting network 14 increases the supporting effort of heavy object.
Referring to fig. 3, the buffer mechanism 2 includes a buffer box 21 fixed on the suspension ropes 13, the buffer box 21 is a closed long box, and the buffer box 21 is connected and fixed with the two suspension ropes 13. The buffer box 21 is connected with a sliding rod 24 in a sliding mode, the sliding rod 24 penetrates through the side wall, facing the wall, of the buffer box 21, the sliding rod 24 is connected with the buffer box 21 in a sliding and sealing mode, and the part, extending out of the buffer box 21, of the sliding rod 24 is fixedly connected with the supporting rope 15.
When the force applied by support line 15 to slide rod 24 is small, slide rod 24 moves damping plate 22, and the non-Newtonian fluid flows normally, and the spring is further compressed to provide a reaction force to damping plate 22. When the acting force of the supporting rope 15 on the sliding rod 24 is large, the sliding rod 24 applies large pressure on the non-Newtonian fluid through the buffer plate 22, at this time, the non-Newtonian falling body applies large reaction force on the buffer plate 22 to hinder the sliding of the buffer plate 22, and when the acting force of the buffer plate 22 is too large, after the buffer plate 22 passes through part of the non-Newtonian fluid, the buffer plate 22 further applies pressure on the non-Newtonian fluid, thereby absorbing the energy of the buffer plate 22.
Referring to fig. 3 and 4, the protective cover 5 is fixed on the buffer box 21, and the protective cover 5 is a housing with an opening facing the buffer box 21 and facing away from the wall.
The buffer box 21 is provided with a cutting device 3 positioned in the protection cover 5, and after the buffer plate 22 moves to a fixed position towards the fixed rope 11, the cutting device 3 cuts off the supporting rope 15.
The cutting device 3 comprises an actuating rod 31 fixedly connected with the buffer plate 22, and the sliding direction of the actuating rod 31 is the same as that of the sliding rod 24; the cutting device 3 further comprises a cutting rod 32 sliding along a direction perpendicular to the sliding direction of the actuating rod 31, the cutting rod 32 in this embodiment slides along a horizontal direction, the cutting rod 32 is slidably connected with the protective cover 5, and a cutting knife 34 is fixedly arranged on the cutting rod 32 and faces one end of the supporting rope 15.
The cutting rod 32 outside cover is equipped with cutting cover 36, and the limit stop ring that all fixes the setting in cutting cover 36 both ends, and cutting rod 32 receives the restriction of limit stop ring to slide in fixed area along fixed orbit. The cutting rod 32 is provided with a cutting ring 321 on the outer side, a cutting spring 35 for applying an acting force to the cutting ring 321 is sleeved on the cutting rod 32, and the cutting spring 35 is a compression spring pressed against the cutting ring 321 in a direction opposite to the direction of the support rope 15.
The cutting rod 32 is connected with a limiting part 33, the limiting part 33 blocks the cutting rod 32 from sliding towards the direction of the supporting rope 15, the limiting part 33 is a circular plate fixed at one end of the cutting rod 32 opposite to the direction of the supporting rope 15, the limiting part 33 is abutted against the end face of the cutting sleeve 36, a plastic screw 331 is fixedly arranged on the limiting part 33, a threaded hole is formed in the end face of the cutting rod 32 opposite to the direction of the supporting rope 15, the plastic screw 331 is in threaded connection with the cutting rod 32, connection and fixation between the limiting part 33 and the cutting rod 32 are achieved, and the length of the limiting part 33 along the axial direction of the cutting rod 32 is twice as long as that of the starting rod 31 along the axial direction of the cutting rod 32. The outer side of one end of the plastic screw 331 close to the limiting member 33 is provided with a notch 332, the notch 332 is an annular groove, and the notch 332 is arranged to ensure that the plastic screw 331 and the limiting member 33 are separated by fracture after the actuating rod 31 applies an acting force to the limiting member 33.
Preferably, in the ordinary condition of daily wind or artificial pulling of the supporting rope 15, the starting rod 31 is prevented from abutting against the limiting member 33, so that the supporting rope 15 is prevented from being accidentally broken; in other embodiments, the force of cushioning springs 23 is relatively large, and cushioning springs 23 are typically sufficient to counteract the force of support line 15 on cushioning plate 22.
In the present embodiment, referring to fig. 3 and 4, the cutting device 3 includes a pushing mechanism 4, and the pushing mechanism 4 is configured to apply a force to the cutting sleeve 36 to move the cutting sleeve 36 to a position where the limiting member 33 can correspond to the actuating rod 31. When the buffer board 22 is under a large pulling force, the pushing mechanism 4 is started, and the pushing mechanism 4 drives the cutting device 3 to move, so that the limiting member 33 corresponds to the starting rod 31.
The pushing mechanism 4 comprises a pushing rod 42 connected with the protective cover 5 in a sliding manner, a supporting block 41 is fixedly connected to the pushing rod 42, and the supporting block 41 is fixedly connected with the cutting sleeve 36. The push rod 42 is sleeved with a guide sleeve 43, the guide sleeve 43 is a circular tube with two open ends, the push rod 42 comprises a circular rod positioned in the guide sleeve 43 and a circular disc fixed at one end of the circular rod and positioned on the end face of the guide sleeve 43, and the diameter of the circular disc is larger than the outer diameter of the guide sleeve 43.
The pushing mechanism 4 further includes a pushing spring 45 disposed on the pushing rod 42, the pushing spring 45 is sleeved outside the guiding sleeve 43, the pushing spring 45 is a spring in a compressed state, one end of the pushing spring 45 is fixedly connected to a disc on the pushing rod 42, the other end of the pushing spring 45 abuts against a circular ring-shaped protrusion fixed outside the guiding sleeve 43, the pushing spring 45 applies an acting force to the pushing rod 42 to drive the cutting device 3 to move, in this embodiment, the pushing rod 42 is driven to move in a direction away from the supporting rope 15 along the horizontal direction, so that the limiting member 33 on the cutting device 3 moves to a position corresponding to the starting rod 31.
Spacing groove 421 has been seted up to the pushing ram 42 side, and spacing groove 421 length is provided with the spring that is in compression state along the radial direction of pushing ram 42 in the spacing groove 421, and the one end that spring bumping post 422 is located spacing groove 421 is provided with, and the one end that spring bumping post 422 stretches out spacing groove 421 is the circular arc end, and spring bumping post 422 stretches out the one end of spacing groove 421 and can be impressed in the spacing groove 421 after the effort. The inner side of the guide sleeve 43 is provided with a locking ring groove 431 and a limiting ring groove 432 which are arranged at intervals along the axial direction, the spring catch 422 is positioned in the locking ring groove 431 in the initial speed state, when the spring catch 422 is separated from the locking ring groove 431, the pushing spring 45 drives the pushing rod to move so that the spring catch 422 enters the limiting ring groove 432, and at the moment, the limiting part 33 on the cutting device 3 can move to the position corresponding to the starting rod 31.
The pressure pipe 44 is fixedly arranged on the guide sleeve 43, the pressure pipe 44 is positioned at the disc end of the guide sleeve 43, which is opposite to the push rod 42, fluid is filled in the pressure pipe 44, in the embodiment, the fluid is water, the pressure film 441 is fixedly arranged at the end, connected with the guide sleeve 43, of the pressure pipe 44, the pressure film 441 is an aluminum film, the pressure film 441 is damaged under certain pressure, and after the pressure film 441 is damaged, the pressure pipe 44 is communicated with the inner cavity of the guide sleeve 43. The end of the pressure tube 44 remote from the guide sleeve 43 is connected with a damping ball 442 fixedly connected with the damping plate 22, and the damping ball 442 is connected with the cavity of the pressure tube 44 and the damping ball 442 is filled with the same fluid as the cavity of the pressure tube 44.
When the buffer plate 22 is suddenly subjected to a large pulling force of the sliding rod 24, the buffer plate 22 presses against the non-newtonian fluid in the buffer box 21, at this time, the pressure of the non-newtonian fluid near the buffer plate 22 is rapidly increased to press the buffer ball 442, the fluid in the buffer ball 442 is applied with pressure, through conduction of the fluid in the pressure tube 44, the pressure film 441 at the connection end of the pressure tube 44 and the guide sleeve 43 is damaged, at this time, the high-pressure fluid in the pressure tube 44 can push the push rod 42, the spring catch 422 on the push rod 42 is separated from the limit ring groove 432, at this time, the push spring 45 drives the push rod 42 to move, the push rod 42 moves to drive the supporting block 41 to move, the supporting block 41 moves to drive the cutting device 3 to move, and the limiting part 33 on the cutting device 3 can correspond to the position of the actuating rod 31; buffer board 22 removes and continues to drive actuating lever 31 and remove, and actuating lever 31 supports with locating part 33 and presses and make locating part 33 and cutting rod 32 separate, and cutting spring 35 drives cutting rod 32 and removes this moment, and cutting rod 32 cuts off the operation through cutting knife 34 to bracing rope 15, realizes cutting device 3 to the cutting of bracing rope 15.
The protective cover 5 covers the cutting device 3, and a yielding hole for accommodating the support rope 15 to extend is formed in the protective cover 5. In impurity gets into cutting device 3 can be avoided to protection casing 5, influences cutting device 3's normal use, is provided with cutting device 3 that is located protection casing 5 on the buffer box 21, can avoid the condition that the part in cutting device 3 dropped to take place simultaneously.
The implementation principle of the building construction safety net system in the embodiment of the application is as follows:
when a person falls onto the supporting ropes 15 and the supporting net 14, the person firstly presses against the supporting ropes 15, the supporting net 14 is still in a loose state at the moment, the person exerts impact force on the supporting ropes 15, the supporting ropes 15 drive the buffer plate 22 to move in the buffer box 21, and because the non-Newtonian fluid is arranged in the buffer box 21, when the buffer plate 22 applies a large pressure to the non-newtonian fluid, the viscosity of the non-newtonian fluid increases, the hardness is large, the movement of the buffer plate 22 is hindered, thereby absorbing the impact energy of the support rope 15, when the pressure is too high, the shearing action of the non-newtonian fluid with the larger viscosity is increased, at this time, the viscosity of the non-newtonian fluid with the larger viscosity is decreased again, the buffer plate 22 can still move in the buffer box 21, after the buffer plate 22 moves for a certain distance, the viscosity of the non-Newtonian fluid is increased again, so that the absorption of energy of the buffer plate 22 under the tension of the support rope 15 is realized;
after the buffer plate 22 moves to the set position, the cutting device 3 is started, the cutting device 3 cuts off one end of the supporting rope 15, and at the moment, the supporting net 14 supports the human body;
the buffering time of people can be prolonged through multiple buffering, the impact energy of people falling is better absorbed, and meanwhile, the safety of the hanging net is improved; meanwhile, the supporting ropes 15 are cut off, so that the phenomenon that after the supporting ropes 15 are tensioned, the supporting ropes 15 and the supporting net 14 have large reaction force to people, and further injury is caused by rebounding of people can be reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a construction safety net sling system, is fixed with unsettled rope (13) including fixed rope (11) and unsettled frame (12) that set up, on unsettled frame (12), still including being fixed in support network (14) between unsettled rope (13) and fixed rope (11), its characterized in that: a supporting rope (15) is connected to the supporting net (14), one end of the supporting rope (15) is fixedly connected with the fixed rope (11), and the other end of the supporting rope (15) is connected with the buffer mechanism (2);
the buffer mechanism (2) comprises a buffer box (21) fixed on the suspended rope (13), a sliding rod (24) is connected onto the buffer box (21) in a sliding mode, a buffer plate (22) is fixedly arranged on the part, extending into the buffer box (21), of the sliding rod (24), and the part, extending out of the buffer box (21), of the sliding rod (24) is fixedly connected with the supporting rope (15);
the non-Newtonian fluid is arranged in the buffer box (21), the buffer spring (23) is arranged in the buffer box (21), and the buffer spring (23) applies acting force to the buffer plate (22) in the direction away from the fixed rope (11);
the buffer box (21) is provided with a cutting device (3), and after the buffer plate (22) moves to a fixed position towards the fixed rope (11), the supporting rope (15) is cut off by the cutting device (3).
2. The construction safety net system of claim 1, wherein: the cutting device (3) comprises an actuating rod (31) fixedly connected with the buffer plate (22), and the sliding direction of the actuating rod (31) is the same as that of the sliding rod (24);
the cutting device (3) further comprises a cutting rod (32) which slides along the direction perpendicular to the sliding direction of the starting rod (31), a cutting sleeve (36) is sleeved on the outer side of the cutting rod (32), the cutting rod (32) is connected with the buffer box (21) in a sliding mode, a limiting piece (33) is connected onto the cutting rod (32), the limiting piece (33) abuts against the end face of the cutting sleeve (36) to prevent the cutting rod (32) from sliding towards the direction of the supporting rope (15), and a cutting knife (34) is fixedly arranged on the cutting rod (32); a cutting ring is arranged on the outer side of the cutting rod (32), a cutting spring (35) is sleeved on the outer side of the cutting rod (32), the cutting spring (35) is abutted against the cutting ring, and the cutting spring (35) can drive the cutting knife (34) to move towards the direction of the supporting rope (15) under the action of the cutting rod (32);
after the starting rod (31) slides for a certain distance, the starting rod can be abutted against the limiting piece (33) to exert an action on the limiting piece (33), so that the limiting piece (33) is separated from the cutting rod (32), and the limiting of the limiting piece (33) on the cutting rod (32) is released.
3. The construction safety net system of claim 2, wherein: the buffer box (21) is connected with a supporting block (41) in a sliding mode, and the cutting rod (32) is used for being connected with the supporting block (41) in a sliding mode;
the cutting device (3) comprises a pushing mechanism (4), and the pushing mechanism (4) is used for applying acting force to the supporting block (41) to drive the supporting block (41) to move to a position where the limiting piece (33) can correspond to the starting rod (31).
4. A construction safety net system according to claim 3, wherein: the pushing mechanism (4) comprises a pushing rod (42) which is connected with the buffer box (21) in a sliding mode, the pushing rod (42) is fixedly connected with the supporting block (41), a guide sleeve (43) is sleeved outside the pushing rod (42), a pushing spring (45) is arranged on the pushing rod (42), the pushing spring (45) exerts acting force on the pushing rod (42) to drive the cutting device (3) to move, and the limiting piece (33) on the cutting device (3) moves to the position corresponding to the starting rod (31);
a limit groove (421) is formed in the side surface of the push rod (42), a spring catch column (422) is connected in the limit groove (421), and locking ring grooves (431) and limit ring grooves (432) which are arranged at intervals along the axis direction are formed in the inner side of the guide sleeve (43);
a pressure pipe (44) is fixedly arranged on the guide sleeve (43), a pressure film (441) is fixedly arranged at one end of the pressure pipe (44) connected with the guide sleeve (43), fluid is filled in the pressure pipe (44), and after the pressure film (441) is damaged, the pressure pipe (44) is communicated with the inner cavity of the guide sleeve (43); one end of the pressure pipe (44) far away from the guide sleeve (43) is communicated with a buffer ball (442) fixedly connected with the buffer plate (22).
5. The construction safety net system of claim 1, wherein: at least two suspension ropes (13) are fixedly arranged on the suspension frame (12), and the buffer box (21) is fixedly connected with the two suspension ropes (13).
6. The construction safety net system of claim 2, wherein: and a plastic screw rod (331) is fixedly arranged on the limiting piece (33), and the plastic screw rod (331) is in threaded connection with the cutting rod (32).
7. The construction safety net system of claim 6, wherein: and a notch groove (332) is formed in the outer side of one end, close to the limiting piece (33), of the plastic screw rod (331).
8. The construction safety net system of claim 1, wherein: the protective cover (5) is fixedly arranged on the buffer box (21), the cutting device (3) is covered by the protective cover (5), and a yielding hole for accommodating the support rope (15) to extend is formed in the protective cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110669495.7A CN113279594B (en) | 2021-06-16 | 2021-06-16 | Safety hanging net system for building construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110669495.7A CN113279594B (en) | 2021-06-16 | 2021-06-16 | Safety hanging net system for building construction |
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| CN113279594A CN113279594A (en) | 2021-08-20 |
| CN113279594B true CN113279594B (en) | 2021-11-23 |
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| CN114516196B (en) * | 2022-03-17 | 2024-01-23 | 美尔森石墨工业（重庆）有限公司 | Safety protection device for hanging graphite blank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4732234A (en) * | 1987-09-08 | 1988-03-22 | Morley Brickman | Perimeter safety net system for multi-story buildings under construction |
| US20150211247A1 (en) * | 2014-01-24 | 2015-07-30 | Henry Gembala | Construction safety screen system |
| CN208633574U (en) * | 2018-08-15 | 2019-03-22 | 山东滨州八匹马塑料化纤制品有限公司 | It is a kind of with preventing people from falling the safety net of effect |
| CN209228089U (en) * | 2018-11-23 | 2019-08-09 | 张学光 | A kind of high-altitude protective net for building |
| CN209556418U (en) * | 2018-12-14 | 2019-10-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Increase buffer power's protection network for construction |
| CN110979119B (en) * | 2020-01-03 | 2020-11-20 | 东阳市聚铕新材料有限公司 | Device for preventing head and neck from being collided and injured for heavy agricultural vehicle |
| CN212053859U (en) * | 2020-02-18 | 2020-12-01 | 山西三建集团有限公司 | Horizontal overhanging flexible protective net for construction of main structure of building |
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