CN217678636U - Prevent throwing net automatic lifting equipment in bridge pier stud construction - Google Patents

Abstract

The utility model discloses a prevent throwing net automatic lifting equipment in bridge pier stud construction, include a plurality of elevating gear, staple bolt mechanism and prevent throwing net fixing device, a plurality of elevating gear install the offside at the pier stud, and lie in the pier stud and connect through the mounting bracket between the same one side elevating gear, staple bolt mechanism wraps up in the surface of pier stud, and elevating gear is used for driving staple bolt mechanism and removes on the pier stud, installs in the staple bolt mechanism and prevents throwing net fixing device, and elevating gear is connected with the PLC controller electricity. The beneficial effects of the utility model are that: the PLC controller controls the lifting device to drive the hoop mechanism to move up and down, and further drives the anti-throwing net arranged on the hoop mechanism to move up and down, so that the anti-throwing net can climb and descend, the same pier column does not need to be matched with a plurality of anti-throwing nets, and the construction cost is reduced.

Description

Prevent throwing in construction of bridge pier stud and net automatic lifting equipment

Technical Field

The utility model relates to a construction safety protection equipment field, especially prevent throwing in the construction of bridge pier stud net automatic lifting equipment.

Background

Along with the attention of the country to the engineering construction safety and the increasing perfection of related policies and technical specifications, in the bridge pier column construction process, the height of the pier column can reach more than 100 meters sometimes, the potential safety hazard of falling objects or accidental falling is very large, and the anti-throwing net becomes indispensable safety equipment. And the anti-throwing net during traditional construction is complex to install, consumes time and labor, the same pier stud needs to be matched with a plurality of sets of anti-throwing nets, the cost of temporary measures is greatly increased, and the construction cost is increased. And traditional prevent throwing the net function singleness, can not automatic movement, fixed mode needs pier stud preformed hole or built-in fitting. Therefore, through long-term research of the inventor, the automatic lifting equipment for preventing the net from being thrown in the construction of the bridge pier column is invented.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide preventing in the construction of bridge pier stud and throw net automatic lifting equipment.

The purpose of the utility model is realized through the following technical scheme: prevent throwing net automatic lifting equipment in bridge pier stud construction, including a plurality of elevating gear, staple bolt mechanism and prevent throwing net fixing device, a plurality of elevating gear install in the offside of pier stud, and lie in the pier stud and connect through the mounting bracket with between the same side elevating gear, staple bolt mechanism parcel is at the surface of pier stud, and elevating gear is used for driving staple bolt mechanism and removes on the pier stud, installs in the staple bolt mechanism and prevents throwing net fixing device, and elevating gear is connected with the PLC controller electricity.

Preferably, elevating gear includes clamping mechanism, lower clamping mechanism and worm hoist mechanism, lies in and connects through the mounting bracket between the lower clamping mechanism with one side of pier stud, and worm hoist mechanism is installed to the top of mounting bracket, and worm hoist mechanism's the outside is provided with clamping mechanism, goes up clamping mechanism and carries out the centre gripping through motor a to the pier stud, and lower clamping mechanism carries out the centre gripping through motor b to the pier stud, and motor a, motor b and worm hoist mechanism all are connected with the PLC controller electricity.

Preferably, the upper clamping mechanism and the lower clamping mechanism have the same structure.

Preferably, lower clamping mechanism includes support and worm gear telescopic machanism, the support is "L" type, the support mounting is on worm hoist mechanism, the last surface mounting of support has the mount pad, worm gear telescopic machanism's one end is installed in the mount pad, and it is fixed through round pin axle b, set up the recess on the short slab of support, install in the recess and compress tightly boots, the upper end that compresses tightly boots is articulated with worm gear telescopic machanism's the other end, motor b is used for driving worm gear telescopic machanism and stretches out and draws back, compress tightly the lower extreme of boots and install rubber pressing plate, rubber pressing plate is used for pressing from both sides tightly and unclamp the pier stud.

Preferably, worm hoist mechanism is including compressing tightly the mounting bracket, promote the support, hoisting device and promotion support, it installs on the mounting bracket to compress tightly the mounting bracket, the last surface mounting who compresses tightly the mounting bracket has two promotion supports, promote the bottom of support and pass through the fix with screw, and connect through the reinforcing plate between two promotion supports, it installs clamping mechanism to promote the upper end of support, the support in promotion support and the lower clamping mechanism is still installed to the upper surface that compresses tightly the mounting bracket, it all passes through the bolt fastening to promote support and support, it is located the inboard that promotes the support to promote the support, the support is located the outside that promotes the support, hoisting device's bottom is installed in promoting the support through the round pin axle, hoisting device is connected with PLC controller electricity.

Preferably, the lifting device comprises a lifting motor and a worm, a connecting portion is arranged at the bottom of the worm and is installed in the lifting support through a pin shaft, a protective sleeve is sleeved on the outer portion of the worm, the lifting motor is installed on the outer side of the reinforcing plate, the power output end of the lifting motor is connected with the rotating shaft, a plurality of driving wheels are sleeved on the rotating shaft and are connected with the worm in a meshed mode, and the lifting motor is electrically connected with the PLC.

Preferably, the lifting support comprises a lifting support main body, the bottom of the lifting support main body is fixed on the pressing mounting frame through screws, linear guide rails are mounted on the lower portion of the lifting support main body through hexagon socket screws, sliding blocks are arranged on the linear guide rails, and the sliding blocks are connected with the side face of the mounting frame.

Preferably, staple bolt mechanism includes stock, quarter butt, connecting rod, and the quarter butt connects gradually with the stock and forms a rectangle frame, and distributes about a plurality of rectangle frames are, connects through the connecting rod between the rectangle frame, and stock and quarter butt pass through the bracket and connect.

Preferably, a plurality of casters are mounted on the inner side of the short rod, and the casters move on the surface of the pier column.

Preferably, prevent throwing net fixing device and include pipe network, lower pipe network, a plurality of support frames and auxiliary stay frame, the one end of support frame is installed on the rectangle frame of upper end, and the upper end of support frame installs down the pipe network, and the pipe network is installed to the other end of support frame, goes up the pipe network and is located the outside of pipe network down, and the one end of auxiliary stay frame is installed on the rectangle frame of lower extreme, and the lower surface at the support frame is installed to the other end of auxiliary stay frame.

The utility model has the advantages of it is following: the utility model discloses a PLC controller control elevating gear drives staple bolt mechanism and reciprocates, and then drives and installs preventing throwing the net in staple bolt mechanism and reciprocate to realize preventing throwing the net and climb and descend, make same pier stud need not form a complete set a plurality of net of preventing throwing, thereby reduced construction cost.

Drawings

FIG. 1 is a schematic structural view of a lifting device;

FIG. 2 is a schematic view of the lifting device;

FIG. 3 is a schematic structural view of the lower clamping mechanism;

FIG. 4 is a schematic view of the lower clamping mechanism from another perspective;

FIG. 5 is a schematic structural view of the worm lifting mechanism;

FIG. 6 is a schematic view of the lifting frame;

FIG. 7 is a schematic structural view of the hoop mechanism;

FIG. 8 is a schematic structural view of the positional relationship between the lifting device and the hoop mechanism;

FIG. 9 is a schematic structural view of an anti-throwing net fixing device;

in the figure, 1-lower clamping mechanism, 2-anti-throwing net fixing device, 3-upper clamping mechanism, 4-hoop mechanism, 5-worm lifting mechanism, 6-mounting rack, 7-motor a, 8-motor b, 9-lifting motor, 11-worm, 12-reinforcing plate, 14-bolt, 15-pin shaft, 16-lifting support, 17-lifting device, 18-lifting support, 19-pressing mounting rack, 21-lifting device, 101-pin shaft b, 102-worm gear telescopic mechanism, 103-pressing shoe, 104-support, 105-rubber pressing plate, 201-lifting support body, 202-linear guide rail, 203-sliding block, 204-inner hexagonal screw, 205-short rod, 206-bracket, 207-long rod, 208-connecting rod, 209-caster, 210-support frame, 211-lower pipe network, 212-upper pipe network, 213-auxiliary support frame.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of 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.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, or the directions or positional relationships that the skilled person usually understand, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, as shown in fig. 1, the automatic lifting device for anti-throwing net in bridge pier construction comprises a plurality of lifting devices 21, a hoop mechanism 4 and an anti-throwing net fixing device 2, wherein the plurality of lifting devices 21 are installed at opposite sides of the pier, that is, the lifting devices 21 clamp the pier, and the lifting devices 21 are symmetrically installed at opposite sides of the pier. And the lifting devices 21 positioned on the same side of the pier column are connected through the mounting frame 6, the hoop mechanism 4 is wrapped on the outer surface of the pier column, the lifting devices 21 are used for driving the hoop mechanism 4 to move on the pier column, the anti-throwing net fixing devices 2 are installed on the hoop mechanism 4, and the lifting devices 21 are electrically connected with the PLC. The PLC controller controls the lifting device 21 to drive the hoop mechanism 4 to move up and down, and further drives the anti-throwing net arranged on the hoop mechanism 4 to move up and down, so that the anti-throwing net can climb and descend, the same pier column does not need to be matched with a plurality of anti-throwing nets, and the construction cost is reduced.

Further, as shown in fig. 2, the lifting device 21 includes an upper clamping mechanism 3, a lower clamping mechanism 1 and a worm lifting mechanism 5, the lower clamping mechanism 1 located on the same side of the pier column is connected through an installation frame 6, the worm lifting mechanism 5 is installed above the installation frame 6, the outer side of the worm lifting mechanism 5 is provided with the upper clamping mechanism 3, the upper clamping mechanism 3 clamps the pier column through a motor a7, the lower clamping mechanism 1 clamps the pier column through a motor b8, and the motor a7, the motor b8 and the worm lifting mechanism 5 are electrically connected with the PLC controller. The upper clamping mechanism 3 and the lower clamping mechanism 1 have the same structure. Still further, as shown in fig. 3 and 4, the lower clamping mechanism 1 includes a support 104 and a worm and gear telescoping mechanism 102, the support 104 is L-shaped, the support 104 is mounted on the worm lifting mechanism 5, a mounting seat is mounted on the upper surface of the support 104, one end of the worm and gear telescoping mechanism 102 is mounted in the mounting seat and fixed by a pin b101, a groove is formed on a short plate of the support 104, a pressing shoe 103 is mounted in the groove, the upper end of the pressing shoe 103 is hinged to the other end of the worm and gear telescoping mechanism 102, a motor b8 is used for driving the worm and gear telescoping mechanism 102 to telescope, a rubber pressing plate 105 is mounted at the lower end of the pressing shoe 103, and the rubber pressing plate 105 is used for clamping and loosening the pier stud. Specifically, the clamping in this embodiment refers to clamping and loosening operations for pillars, when the rubber press plate 105 on the lower clamping mechanism 1 is required to clamp the pillars, the worker uses the PLC controller to make the motor b8 control the worm and gear telescoping mechanism 102 to shorten, because the upper end of the press shoe 103 is hinged to the other end of the worm and gear telescoping mechanism 102, the lower end of the press shoe 103 moves synchronously, and then the rubber press plate 105 at the lower end of the press shoe 103 moves inwards to press tightly on the pillar surface, when the rubber press plate 105 on the lower clamping mechanism 1 is required to loosen the pillars, the worker uses the PLC controller to make the motor b8 control the worm and gear telescoping mechanism 102 to extend, because the upper end of the press shoe 103 is hinged to the other end of the worm and gear telescoping mechanism 102, the lower end of the press shoe 103 moves synchronously, and then the rubber press plate 105 at the lower end of the press shoe 103 moves outwards to remove the pressing force of the rubber press plate 105, the clamping and loosening operation processes of the upper clamping and loosening mechanism 3 are the same as the clamping and loosening operation processes of the lower clamping and loosening mechanism 1, and here is not to increase the friction force between the rubber press plate 105 and the pillars.

In this embodiment, as shown in fig. 5, the worm lifting mechanism 5 includes a pressing mounting frame 19, a lifting support 18, a lifting device 17 and a lifting support 16, the pressing mounting frame 19 is installed on the mounting frame 6, two lifting supports 18 are installed on the upper surface of the pressing mounting frame 19, the bottom ends of the lifting supports 18 are fixed by screws, and the two lifting supports 18 are connected by a reinforcing plate 12, an upper clamping mechanism 3 is installed at the upper end of the lifting support 18, a support 104 in the lifting support 16 and a lower clamping mechanism 1 is also installed on the upper surface of the pressing mounting frame 19, the lifting support 16 and the support 104 are both fixed by bolts 14, the lifting support 16 is located on the inner side of the lifting support 18, the support 104 is located on the outer side of the lifting support 18, the bottom end of the lifting device 17 is installed in the lifting support 16 by a pin 15, and the lifting device 17 is electrically connected with the PLC controller. Further, hoisting device 17 is provided with connecting portion including promoting motor 9 and worm 11, the bottom of worm 11, and connecting portion install in promoting support 16 through round pin axle 15, and the outside cover of worm 11 has the protective sheath, and promote motor 9 and install in the outside of reinforcing plate 12, and the power take off end and the pivot of promoting motor 9 are connected, and the cover is equipped with a plurality of drive wheels in the pivot, and the drive wheel is connected with worm 11 meshing, promotes motor 9 and is connected with the PLC controller electricity. Still further, as shown in fig. 6, the lifting support 18 includes a lifting support main body 201, the bottom of the lifting support main body 201 is fixed on the pressing mounting frame 19 through a screw, a linear guide 202 is installed on the lower portion of the lifting support main body 201 through a hexagon socket head cap screw 204, a slider 203 is arranged on the linear guide 202, the slider 203 is connected with the side surface of the mounting frame 6, and the linear guide 202 mainly functions in limiting. Specifically, when climbing is needed, the worm 11 is located in the protective sleeve at the moment, and is located at the position with the minimum stroke, firstly, a worker enables the motor b8 to control the worm and gear telescoping mechanism 102 to shorten through the PLC, because the upper end of the pressing shoe 103 is hinged with the other end of the worm and gear telescoping mechanism 102, the lower end of the pressing shoe 103 can move synchronously, and then the rubber pressing plate 105 at the lower end of the pressing shoe 103 can move inwards, so that the pressing shoe can be tightly pressed on the surface of the pier stud; then, the worker enables the motor a7 to control the worm and gear telescoping mechanism 102 (here, the upper clamping mechanism 3) to extend through the PLC, and as the upper end of the compression shoe 103 is hinged with the other end of the worm and gear telescoping mechanism 102, the lower end of the compression shoe 103 moves synchronously, and the rubber pressing plate 105 at the lower end of the compression shoe 103 moves outwards, so that the pressing force of the rubber pressing plate 105 is removed and is not stressed; the worker controls the PLC to control the lifting motor 9 on the opposite side of the pier stud to be started simultaneously so as to ensure synchronization, the lifting motor 9 drives the rotating shaft to rotate, so that the driving wheel on the rotating shaft drives the worm 11 to rotate, at the moment, the sliding block 203 moves downwards relative to the linear guide rail 202 so as to enable the upper pressing mechanism 3 to start to ascend, at the moment, the worm 11 extends out of the protective sleeve, after the ascending is completed, the worker controls the PLC to control the motor a7 to control the worm and gear telescoping mechanism 102 (here, the upper clamping mechanism 3) to shorten, as the upper end of the pressing shoe 103 is hinged with the other end of the worm and gear telescoping mechanism 102, the lower end of the pressing shoe 103 moves synchronously, and the rubber pressing plate 105 at the lower end of the pressing shoe 103 moves inwards so as to tightly press on the surface of the pier stud, at the moment, the worm and gear telescoping mechanism 102 of the lower pressing mechanism 1 extends, and the rubber pressing plate 105 at the lower end of the pressing shoe 103 moves outwards so as to unload the pressing force of the rubber pressing plate 105 without being stressed; then, the lifting motor 9 is controlled to start, the sliding block 203 moves upwards on the linear guide rail 202 at the moment, the sliding block 203 is connected with the mounting frame 6, so that the lower pressing mechanism 1 is driven to rise, the worm 11 returns to the protective sleeve again and is positioned at the position with the minimum stroke, finally, the worm and gear telescoping mechanism 102 of the lower pressing mechanism 1 is controlled to shorten, and the rubber pressing plate 105 at the lower end of the pressing shoe 103 moves inwards to be tightly pressed on the surface of the pier stud; the worm and gear telescoping mechanism 102 of the upper pressing mechanism 3 extends, and then the rubber pressing plate 105 at the lower end of the pressing shoe 103 moves outwards, so that the pressing force is tightly pressed on the surface of the pier stud to remove the pressing force of the rubber pressing plate 105, and no force is applied, so that an ascending process is completed, and the descending process is opposite to the ascending process, which is not described again here. In this embodiment, the elevating speed can be actually adjusted by controlling the output power of the motor.

In this embodiment, as shown in fig. 7 and 8, the hoop mechanism 4 includes a long rod 207, a short rod 205, and a connecting rod 208, the short rod 205 and the long rod 207 are sequentially connected to form a rectangular frame, and a plurality of rectangular frames are vertically distributed, the rectangular frames are connected by the connecting rod, and the long rod 207 and the short rod 205 are connected by the bracket 206. Further, a plurality of casters 209 are installed on the inner side of the short bar 205, and the casters 209 move on the surface of the pier. Specifically, the rectangular frame is installed on the surface of the pier, and the two rectangular frames are provided, and the main function of the caster 209 is to facilitate the movement of the hoop mechanism on the surface of the pier.

Further, as shown in fig. 9, the anti-throwing net fixing device 2 includes an upper pipe net 212, a lower pipe net 211, a plurality of support frames 210 and an auxiliary support frame 213, one end of each support frame 210 is installed on the rectangular frame at the upper end, the lower pipe net 211 is installed at the upper end of each support frame 210, the upper pipe net 212 is installed at the other end of each support frame 210, the upper pipe net 212 is located at the outer side of the lower pipe net 211, one end of the auxiliary support frame 213 is installed on the rectangular frame at the lower end, and the other end of the auxiliary support frame 213 is installed at the lower surface of the support frame 210. Specifically speaking, support frame 210 is right triangle, still install stiffener b between two right-angle sides, make stiffener b and two right-angle sides form right triangle jointly, thereby guarantee the installation intensity of pipe network 212, the upper surface of support frame 210 still is provided with the down tube, pipe network 211 down is installed on the top of down tube, that is to say, through the down tube, the straight triangle is formed again to the right-angle side of pier stud surface and support frame 210, thereby guarantee the installation intensity of pipe network 211 down, in this embodiment, lower pipe network 211 is located the pier stud surface.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. Prevent throwing in the construction of bridge pier stud net automatic lifting equipment, its characterized in that: include a plurality of elevating gear (21), staple bolt mechanism (4) and prevent throwing net fixing device (2), a plurality of elevating gear (21) are installed in the offside of pier stud, and lie in pier stud with one side connect through mounting bracket (6) between elevating gear (21), staple bolt mechanism (4) parcel is in the surface of pier stud, just elevating gear (21) are used for driving staple bolt mechanism (4) are in remove on the pier stud, install on staple bolt mechanism (4) prevent throwing net fixing device (2), elevating gear (21) are connected with the PLC controller electricity.

2. The automatic lifting equipment for preventing throwing nets in bridge pier column construction according to claim 1, is characterized in that: elevating gear (21) include clamping mechanism (3), lower clamping mechanism (1) and worm hoist mechanism (5), are located pier stud is with one side down pass through between clamping mechanism (1) mounting bracket (6) are connected, install the top of mounting bracket (6) worm hoist mechanism (5), the outside of worm hoist mechanism (5) is provided with go up clamping mechanism (3), it is right through motor a (7) to go up clamping mechanism (3) the pier stud carries out the centre gripping, it is right through motor b (8) down clamping mechanism (1) the pier stud carries out the centre gripping, motor a (7) motor b (8) with worm hoist mechanism (5) all with the PLC controller electricity is connected.

3. The automatic lifting equipment for preventing throwing of the net in the construction of the bridge pier stud according to claim 2, characterized in that: the upper clamping mechanism (3) and the lower clamping mechanism (1) are identical in structure.

4. The automatic lifting device for preventing throwing of the net in the construction of the bridge pier stud according to claim 3, characterized in that: lower clamping mechanism (1) is including support (104) and worm gear telescopic machanism (102), support (104) are "L" type, install support (104) on worm hoist mechanism (5), the last surface mounting of support (104) has the mount pad, the one end of worm gear telescopic machanism (102) is installed in the mount pad, and fixed through round pin axle b (101), set up flutedly on the short slab of support (104), install in the recess and compress tightly boots (103), compress tightly the upper end of boots (103) with the other end of worm gear telescopic machanism (102) is articulated, motor b (8) are used for the drive worm gear telescopic machanism (102) are flexible, rubber clamp plate (105) are installed to the lower extreme that compresses tightly boots (103), rubber clamp plate (105) are used for right the pier stud presss from both sides tightly and loosens.

5. The automatic lifting equipment for preventing throwing nets in bridge pier column construction according to claim 4, is characterized in that: worm hoist mechanism (5) are including compressing tightly mounting bracket (19), promotion support (18), hoisting device (17) and promotion support (16), it installs to compress tightly mounting bracket (19) on mounting bracket (6), the last surface mounting who compresses tightly mounting bracket (19) has two promote support (18), promote the bottom of support (18) through the fix with screw, and two promote and connect through reinforcing plate (12) between support (18), promote the upper end of support (18) and install last clamping mechanism (3), the upper surface that compresses tightly mounting bracket (19) is still installed promote support (16) with in clamping mechanism (1) down support (104), promote support (16) with support (104) are all fixed through bolt (14), it is located to promote support (16) the inboard of support (18), support (104) are located promote the outside of support (18), the bottom of hoisting device (17) is installed through round pin axle (15) in promotion support (16), hoisting device (17) with PLC controller electricity is connected.

6. The automatic lifting equipment for preventing throwing of the net in the construction of the bridge pier stud according to claim 5, characterized in that: lifting device (17) are including lifting motor (9) and worm (11), the bottom of worm (11) is provided with connecting portion, connecting portion install through round pin axle (15) in promoting support (16), the outside cover of worm (11) has the protective sheath, lifting motor (9) are installed the outside of reinforcing plate (12), just the power take off end and the pivot of lifting motor (9) are connected, the cover is equipped with a plurality of drive wheels in the pivot, the drive wheel with worm (11) meshing is connected, lifting motor (9) with the PLC controller electricity is connected.

7. The automatic lifting equipment for preventing throwing of the net in the construction of the bridge pier stud according to claim 6, characterized in that: promote support (18) including promoting support main part (201), the bottom of promoting support main part (201) is passed through the fix with screw compress tightly on mounting bracket (19), linear guide (202) are installed through hexagon socket head cap screw (204) to the lower part of promoting support main part (201), be provided with slider (203) on linear guide (202), slider (203) with the side of mounting bracket (6) is connected.

8. The automatic lifting equipment for the anti-throwing net in the construction of the bridge pier stud according to any one of claims 1 to 7, which is characterized in that: staple bolt mechanism (4) are including stock (207), quarter butt (205), connecting rod (208), quarter butt (205) with stock (207) connect gradually and form a rectangle frame, and a plurality of the rectangle frame distributes about being, pass through between the rectangle frame the connecting rod is connected, stock (207) with quarter butt (205) are connected through bracket (206).

9. The automatic lifting equipment for preventing throwing nets in bridge pier column construction according to claim 8, is characterized in that: a plurality of casters (209) are installed to the inboard of quarter butt (205), casters (209) are in pier stud surface removes.

10. The automatic lifting equipment for preventing throwing nets in bridge pier column construction according to claim 9, is characterized in that: prevent throwing net fixing device (2) and include upper pipe network (212), lower pipe network (211), a plurality of support frame (210) and auxiliary stay frame (213), install the one end of support frame (210) on the upper end on the rectangle frame, just install the upper end of support frame (210) lower pipe network (211), install the other end of support frame (210) upper pipe network (212), upper pipe network (212) are located the outside of lower pipe network (211), install the one end of auxiliary stay frame (213) at the lower extreme on the rectangle frame, install the other end of auxiliary stay frame (213) the lower surface of support frame (210).

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