Bridge construction anti-falling device
Technical Field
The invention relates to the field of bridge construction, in particular to a bridge construction anti-falling device.
Background
The bridge construction is a process of building a bridge according to design contents; mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like; in the bridge construction process, safety measures are very important, and a bridge construction anti-falling device is required.
The existing bridge construction anti-falling device with patent number 201910087979.3 comprises an installation box; a first partition plate is fixed inside the installation box; a transmission motor is arranged on the upper side of the first partition plate; connecting shafts are arranged on the left side and the right side of the transmission motor; a second limiting slide block is connected in a cavity at the lower part of the connecting shaft in a sliding manner; a second movable rod is fixed on the lower side of the second limiting slide block; an anti-moving plate is fixed on the lower side of the second movable rod; a first limiting slide block is connected in the cavity at the upper part of the connecting shaft in a sliding way; a first movable rod is fixed on the upper side of the first limiting slide block; a lifting plate is fixed on the upper side of the first movable rod; a first fixing block is fixed on the upper side of the lifting plate; a first guide sliding rod is fixed between the first fixed blocks; the anti-falling device has the advantages of reasonable structural design, convenience in use, capability of simultaneously driving the anti-moving plate to support the device when the height of the device is adjusted, prevention of the device from moving, high stability of the device, good anti-falling effect and strong practicability.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a bridge construction anti-falling device.
The invention is realized by adopting the following technical scheme: the utility model provides a bridge construction anti-falling device, its structure includes net pocket frame, two-way cylinder, base, removal wheel, antiskid ribbed tile, installation cavity, power device, the removal wheel is installed to the base bottom, be equipped with the installation cavity in the middle of the base, install power device in the installation cavity, power device is linked together with the two-way cylinder of establishing in both sides respectively, the top of two-way cylinder is connected with net pocket frame, two-way cylinder bottom and antiskid ribbed tile, power device includes air inlet disc, communicating pipe, transmission structure, motor, communicating pipe level is placed in the middle of the installation cavity, the both ends of communicating pipe are linked together with individual two-way cylinder respectively, the air inlet disc is established in communicating pipe top and is linked together with it, the air inlet disc is connected with the motor through transmission structure, the motor is fixed in the installation cavity bottom.
As optimization, the transmission structure comprises a rotary disc, a sliding groove, a sliding block, a lifting block, a vertical guide rail, a lever, a rotary disc and a rotating shaft, wherein the rotary disc is connected to the back face of the air inlet disc through the rotating shaft, the rotary disc is provided with the sliding groove, the sliding block is arranged in the sliding groove, the sliding block is connected with the top end of the lever through a hinge, the bottom of the lever is hinged to the rotary disc, the rotary disc is connected with a motor, the vertical guide rail is connected in the installation cavity, the lifting block is arranged in the vertical guide rail, and the lifting block is.
As optimization, the air inlet disc comprises a disc body, a piston rod, a linkage rod, a rail, a through hole, a negative pressure cavity and a push block, wherein the negative pressure cavity is arranged in the disc body, the bottom of the negative pressure cavity is communicated with the communicating pipe through the through hole, the push block is arranged in the negative pressure cavity and connected with the linkage rod through the piston rod, the rail is arranged on the disc body, the rail and the negative pressure cavity form a circle, and the linkage rod is arranged on the rail.
As optimization, the track is provided with an opening, and the linkage rod penetrates through the opening to be vertically connected with the rotary disc.
As optimization, the push block is provided with an air hole, the bottom of the air hole is hinged with a valve plate, and a support plate is connected to the middle of the valve plate.
Preferably, the bidirectional cylinder comprises an upper push rod, a channel, a bidirectional air pressure cavity and a lower push rod, the bidirectional air pressure cavity is arranged in the base, the upper end and the lower end of the bidirectional air pressure cavity are respectively provided with the upper push rod and the lower push rod, and the middle of the bidirectional air pressure cavity is communicated with the communicating pipe through the channel.
As optimization, be equipped with the synchronizing structure in the middle of the two-way atmospheric pressure chamber, the synchronizing structure includes first stay cord, the clockwork spring that resets, second stay cord, fixed axle, double-end line wheel, the both ends of double-end line wheel twine respectively has first stay cord, second stay cord, the double-end line wheel is installed on the fixed axle, the fixed axle is connected in the middle of the two-way atmospheric pressure chamber, the both ends of double-end line wheel are connected with the fixed axle through the clockwork spring that resets respectively.
Preferably, the first pull rope is connected with the upper push rod, and the second pull rope is connected with the lower push rod.
Preferably, the bottom of the antiskid plate is provided with a silica gel layer.
Preferably, a lug is arranged in the middle of the bidirectional air pressure cavity.
Preferably, the lever is divided into an upper part and a lower part by taking the lifting block as a fulcrum, and the length of the lower part is 3 times that of the upper part.
Advantageous effects
When the bidirectional pneumatic valve is used, the motor is started to drive the rotary disc to rotate, so that the lever swings, the transverse position of a fulcrum of the lever can be fixed through the lifting block, the top of the lever drives the sliding block to slide in the sliding groove, so that the rotary disc is driven to reciprocate, the linkage rod connects the rotary disc with the piston rod, so that the pushing block can be simultaneously driven to reciprocate in the negative pressure cavity, the air hole is closed when the valve plate is pushed down, so that air enters the communicating pipe, the bidirectional air cylinder is driven to extend, the valve plate is driven to enter the negative pressure cavity from the air hole by moving the pushing block upwards, so that air can be conveniently fed by pushing down next time, when the air enters the bidirectional pneumatic cavity, the upper pushing rod and the lower pushing rod can be respectively pushed upwards, and simultaneously the first pull rope and the second pull rope connected with the upper pushing rod and the lower pushing rod are simultaneously unreeled on the double-, The lower push rod keeps synchronous motion, and the first pull rope and the second pull rope can be wound when the upper push rod and the lower push rod contract through the reset spring.
Compared with the prior art, the invention has the beneficial effects that: the load of the motor can be reduced through the effect of the lever, the air inlet mode of the traditional air inlet cylinder is extended through the intermittent air inlet mode, the height of the power device can be reduced, the occupied area of the power device is reduced, the size of the equipment is reduced, the potential safety hazard of the belt can be avoided through the air pressure mode, and the use safety is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a bridge construction anti-falling device of the present invention.
Fig. 2 is a schematic view of the internal structure of the power plant of the present invention.
Fig. 3 is a schematic structural diagram of the transmission structure of the present invention.
Fig. 4 is a schematic structural diagram of the air intake disc of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural view of the bidirectional cylinder of the present invention.
Fig. 7 is an enlarged structural view of a portion B in fig. 6.
In the figure: the net bag frame 1, the bidirectional cylinder 2, the base 3, the moving wheel 4, the antiskid plate 5, the installation cavity 6, the power device 7, the air inlet disc 70, the communicating pipe 71, the transmission structure 72, the motor 73, the rotary disc 721, the sliding chute 722, the sliding block 723, the lifting block 724, the vertical guide rail 725, the lever 726, the rotary disc 727, the rotating shaft 728, the disc body 701, the piston rod 702, the linkage rod 703, the track 704, the through hole 705, the negative pressure cavity 706, the pushing block 707, the air hole 7071, the valve plate 7072, the supporting plate 7073, the upper push rod 20, the channel 21, the bidirectional air pressure cavity 22, the lower push rod 23, the synchronizing structure 24, the first pull rope 241, the reset spring 242, the second pull rope 243, the fixed shaft 244.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution of a bridge construction anti-drop device: the structure of the net bag comprises a net bag frame 1, two-way cylinders 2, a base 3, a moving wheel 4, an antiskid plate 5, an installation cavity 6 and a power device 7, wherein the moving wheel 4 is installed at the bottom of the base 3, the installation cavity 6 is arranged in the middle of the base 3, the power device 7 is installed in the installation cavity 6, the power device 7 is respectively communicated with the two-way cylinders 2 arranged at two sides, the top of each two-way cylinder 2 is connected with the net bag frame 1, the bottom of each two-way cylinder 2 is connected with the antiskid plate 5, the power device 7 comprises an air inlet disc 70, a communicating pipe 71, a transmission structure 72 and a motor 73, the communicating pipe 71 is horizontally placed in the middle of the installation cavity 6, two ends of the communicating pipe 71 are respectively communicated with the 2 two-way cylinders 2, the air inlet disc 70 is arranged above and communicated with the communicating pipe 71, the air inlet disc 70 is connected with the motor 73 through the transmission structure, the transmission structure 72 comprises a rotary disk 721, a chute 722, a sliding block 723, a lifting block 724, a vertical guide rail 725, a lever 726, a rotary disk 727 and a rotary shaft 728, the rotary disk 721 is connected to the back of the air inlet disk 70 through the rotary shaft 728, the rotary disk 721 is provided with the chute 722, the sliding block 723 is arranged in the chute 722, the top end of the lever 726 is hinged with the sliding block 723, the bottom of the lever 726 is hinged on the rotary disk 727, the rotary disk 727 is connected with the motor 73, the vertical guide rail 725 is connected in the installation cavity 6, the lifting block 724 is arranged in the vertical guide rail 725, the lifting block 724 is hinged with the lever 726, the air inlet disk 70 comprises a disk body 701, a piston rod 702, a linkage rod 703, a track 704, a through hole 705, a negative pressure cavity 706 and a push block 707, a negative pressure cavity 706 is arranged in the disk body 701, the bottom of the negative pressure cavity 706 is communicated, the push block 707 is connected with a linkage rod 703 through a piston rod 702, a track 704 is arranged on the disc body 701, the track 704 and a negative pressure cavity 706 form a circle, the linkage rod 703 is arranged on the track 704, the track 704 is provided with an opening, the linkage rod 703 penetrates through the opening to be vertically connected with the rotary disc 721, the push block 707 is provided with an air hole 7071, the bottom of the air hole 7071 is hinged with a valve plate 7072, a support plate 7073 is connected to the middle of the valve plate 7072, the support plate 7073 enables the valve plate 7072 to be closed more rapidly, a silica gel layer is arranged at the bottom of the antiskid plate 5, the antiskid effect is improved, the lever 726 is divided into an upper part and a lower part by taking the lifting block 724 as a fulcrum, the length of the lower part is 3 times of the upper part.
The working principle is as follows: when the bidirectional air intake valve is used, the starting motor 73 drives the rotary table 727 to rotate, so that the lever 726 swings, the transverse position of a fulcrum of the lever 726 can be fixed through the lifting block 724, the top of the lever 726 drives the sliding block 723 to slide in the sliding groove 722 so as to drive the rotary disc 721 to reciprocate, the rotary disc 721 and the piston rod 702 are connected together through the linkage rod 703, so that the pushing block 707 can be simultaneously driven to reciprocate in the negative pressure cavity 706, the air hole 7071 is closed when the valve plate 7072 is pushed down, so that air enters the communicating pipe 71, the bidirectional air cylinder 2 is driven to extend, the pushing block 707 moves upwards to enable the valve plate 7072 to enable external air to enter the negative pressure cavity 706 from the air hole 7071, and the next downward pressing for air intake is facilitated.
Example 2
Referring to fig. 1 to 7, the present invention provides a technical solution of a bridge construction anti-drop device: the structure of the net bag comprises a net bag frame 1, two-way cylinders 2, a base 3, a moving wheel 4, an antiskid plate 5, an installation cavity 6 and a power device 7, wherein the moving wheel 4 is installed at the bottom of the base 3, the installation cavity 6 is arranged in the middle of the base 3, the power device 7 is installed in the installation cavity 6, the power device 7 is respectively communicated with the two-way cylinders 2 arranged at two sides, the top of each two-way cylinder 2 is connected with the net bag frame 1, the bottom of each two-way cylinder 2 is connected with the antiskid plate 5, the power device 7 comprises an air inlet disc 70, a communicating pipe 71, a transmission structure 72 and a motor 73, the communicating pipe 71 is horizontally placed in the middle of the installation cavity 6, two ends of the communicating pipe 71 are respectively communicated with the 2 two-way cylinders 2, the air inlet disc 70 is arranged above and communicated with the communicating pipe 71, the air inlet disc 70 is connected with the motor 73 through the transmission structure, the transmission structure 72 comprises a rotary disk 721, a chute 722, a sliding block 723, a lifting block 724, a vertical guide rail 725, a lever 726, a rotary disk 727 and a rotary shaft 728, the rotary disk 721 is connected to the back of the air inlet disk 70 through the rotary shaft 728, the rotary disk 721 is provided with the chute 722, the sliding block 723 is arranged in the chute 722, the top end of the lever 726 is hinged with the sliding block 723, the bottom of the lever 726 is hinged on the rotary disk 727, the rotary disk 727 is connected with the motor 73, the vertical guide rail 725 is connected in the installation cavity 6, the lifting block 724 is arranged in the vertical guide rail 725, the lifting block 724 is hinged with the lever 726, the air inlet disk 70 comprises a disk body 701, a piston rod 702, a linkage rod 703, a track 704, a through hole 705, a negative pressure cavity 706 and a push block 707, a negative pressure cavity 706 is arranged in the disk body 701, the bottom of the negative pressure cavity 706 is communicated, the push block 707 is connected with a linkage rod 703 through a piston rod 702, a track 704 is arranged on the disc body 701, the track 704 and a negative pressure cavity 706 form a circle, the linkage rod 703 is arranged on the track 704, the track 704 is provided with an opening, the linkage rod 703 penetrates through the opening to be vertically connected with the rotary disc 721, the push block 707 is provided with an air hole 7071, the bottom of the air hole 7071 is hinged with a valve plate 7072, a support plate 7073 is connected to the middle of the valve plate 7072, the support plate 7073 enables the valve plate 7072 to be closed more rapidly, a silica gel layer is arranged at the bottom of the antiskid plate 5, the antiskid effect is improved, the lever 726 is divided into an upper part and a lower part by taking the lifting block 724 as a fulcrum, the length of the lower part is 3 times of the upper part.
The working principle is as follows: when the bidirectional pneumatic cylinder is used, when gas enters the bidirectional pneumatic chamber 22, the upper push rod 20 and the lower push rod 23 can be respectively pushed upwards, the first pull rope 241 and the second pull rope 243 connected with the upper push rod 20 and the lower push rod 23 are simultaneously unreeled on the double-end reel 245, so that the upper push rod 20 and the lower push rod 23 keep synchronous motion, the first pull rope 241 and the second pull rope 243 can be reeled when the upper push rod 20 and the lower push rod 23 shrink through the resetting spring 242, the bidirectional cylinder 2 comprises the upper push rod 20, the channel 21, the bidirectional pneumatic chamber 22 and the lower push rod 23, the bidirectional pneumatic chamber 22 is arranged in the base 3, the upper push rod 20 and the lower push rod 23 are respectively arranged at the upper end and the lower end of the bidirectional pneumatic chamber 22, the middle of the bidirectional pneumatic chamber 22 is communicated with the communicating pipe 71 through the channel 21, the synchronous structure 24 is arranged in the middle of the bidirectional pneumatic chamber 22, and the synchronous structure 24, Reset clockwork 242, second stay cord 243, fixed axle 244, double-end line wheel 245, the both ends of double-end line wheel 245 are twined first stay cord 241, second stay cord 243 respectively, double-end line wheel 245 is installed on fixed axle 244, fixed axle 244 connects in the middle of two-way atmospheric pressure chamber 22, the both ends of double-end line wheel 245 are connected with fixed axle 244 through reset clockwork 242 respectively, first stay cord 241 is connected with push-up rod 20, second stay cord 243 is connected with push-down rod 23, be equipped with the lug in the middle of the two-way atmospheric pressure chamber 22, prevent push-up rod 20, push-down rod 23 from blockking up the blow vent.
Compared with the prior art, the invention has the technical progress that: the load of the motor can be reduced through the effect of the lever, the air inlet mode of the traditional air inlet cylinder is extended through the intermittent air inlet mode, the height of the power device can be reduced, the occupied area of the power device is reduced, the size of the equipment is reduced, the potential safety hazard of the belt can be avoided through the air pressure mode, and the use safety is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.