CN111792519A

CN111792519A - Bridge pier hoisting machine for constructing large sea-crossing bridge

Info

Publication number: CN111792519A
Application number: CN202010660373.7A
Authority: CN
Inventors: 石正秋
Original assignee: Individual
Current assignee: Lu Meihua
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-10-20
Anticipated expiration: 2040-07-10
Also published as: CN111792519B

Abstract

The invention relates to the technical field of lifting machines, in particular to a bridge pier lifting machine for constructing a large sea-crossing bridge, which comprises a balance frame, wherein an extension frame is arranged on the surface of the balance frame, a cross rod is arranged on the surface of the extension frame and penetrates through a clamping arm, an engaging toothed plate is arranged on the surface of the clamping arm and is engaged and connected with a driving toothed plate, the driving toothed plate is sleeved on the outer side of a pin shaft, the pin shaft is inserted and connected on the surface of an installation frame, the installation frame is fixed on the top surface of the extension frame, a driven belt wheel is sleeved on the outer side of the pin shaft, and the driven belt wheel is; the beneficial effects are that: according to the bridge pier crane for constructing the sea-crossing bridge, the clamping arms are additionally arranged on the two sides of the balance frame, the clamping force of the clamping arms is adjusted through the matching of the meshed toothed plate and the driving toothed disc, and compared with the bridge pier which is only bound by using ropes, the bridge pier crane clamped by the clamping arms is better in firmness.

Description

Bridge pier hoisting machine for constructing large sea-crossing bridge

Technical Field

The invention relates to the technical field of cranes, in particular to a bridge pier crane for constructing a large sea-crossing bridge.

Background

The bridge pier is a sub-building for supporting a bridge span structure and transmitting constant load and vehicle live load to a foundation, and the bridge abutment is arranged in two lakes of the bridge. The bridge pier is arranged between the two bridge abutments. The pier is used for supporting the bridge span structure, and the abutment is connected with the embankment and prevents the embankment from sliding off the ground besides supporting the bridge span structure. In order to protect the separation platform and the embankment filler, protection and flow guide projects are usually performed on two sides of the separation platform; the crane controls the length of a rope for pulling a heavy object by utilizing the winding effect of the winch, and further controls the position of the heavy object. In the process of constructing the cross-sea bridge, the bridge piers are difficult to transport by manpower due to the large weight of the bridge piers, so that the bridge piers need to be transported by utilizing a crane.

In the prior art, the bridge pier is only bound and hoisted through the rope in the hoisting process of the bridge pier, the firmness is poor, the falling potential safety hazard exists, and the tightness of the binding rope is not firm through manual adjustment; due to the fact that the weight of the bridge pier is too heavy, the bridge pier can shake left and right in the stretching movement of the rope, the inertia of the bridge pier is large due to the weight of the bridge pier, when the bridge pier is transported to a specified position, the bridge pier is difficult to stop shaking in a short time, and construction efficiency is further affected; because the weight of pier is heavier, the crane that single rope connects is difficult to keep balanced in the lift by crane process, and the security performance is lower simultaneously.

Disclosure of Invention

The present invention is directed to a bridge pier crane for use in the construction of large sea-crossing bridges, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a pier hoisting machine for cross-sea bridge construction comprises a balance frame, wherein an extension frame is arranged on the surface of the balance frame, a cross rod is arranged on the surface of the extension frame, the cross rod penetrates through a clamping arm, an engaging toothed plate is arranged on the surface of the clamping arm, the engaging toothed plate is engaged with a driving toothed plate, the driving toothed plate is sleeved on the outer side of a pin shaft, the pin shaft is inserted and connected on the surface of a mounting frame, the mounting frame is fixed on the top surface of the extension frame, a driven belt wheel is sleeved on the outer side of the pin shaft, the driven belt wheel is connected with a driving belt wheel through a transmission belt, the driving belt wheel is fixed on a driving shaft of a driving motor, the driving motor is fixed in a limiting seat, the limiting seat is fixed on the top surface of the balance frame, a placing groove is formed in the surface of the clamping arm, a rope, the mounting groove has been seted up to the bottom surface of gimbal, it has the shrouding to peg graft in the inside of mounting groove, the surface of shrouding and standing groove all is provided with the guide pulley, and the surface of shrouding is provided with the rolling subassembly, and the top of gimbal is provided with the hoist and mount roof beam, the bottom surface of hoist and mount roof beam is provided with the hoist and mount rope, the bottom of hoist and mount rope is provided with rings, rings are connected with the link cooperation, the top surface at the gimbal is fixed to the link, and the bottom surface of hoist and mount roof beam is provided with the mount, the inside of mount is provided with the electro-hydraulic.

Preferably, the extension frame is "T" font frame construction, and the extension frame is provided with two sets ofly, and two sets of extension frames are about the gimbal symmetric distribution, and the horizontal pole is circular cylinder structure, and the centre gripping arm is "L" shape structure, and the top surface of centre gripping arm is convex curved surface, and the meshing pinion rack is convex platelike structure.

Preferably, the mounting bracket is a T-shaped frame structure, the pin shaft penetrates through two side plates of the mounting bracket, the limiting seat is of a square frame structure, and the top surface of the bottom plate of the limiting seat is a circular arc-shaped curved surface.

Preferably, the standing groove is square column structure, and the meshing pinion rack is square tubular structure, and the long limit length of meshing pinion rack is less than the long limit length of centre gripping arm, and the top surface slope of standing groove sets up, and the guide pulley is in the top surface of standing groove.

Preferably, the mounting groove is square column body structure, and the shrouding is "protruding" font platelike structure, and the bottom surface size of shrouding is greater than the opening size of mounting groove, and the surface of shrouding is provided with the screw rod, and the spiro union is in the bottom surface of balancing stand behind the bottom plate that the screw rod runs through the shrouding.

Preferably, the rolling subassembly includes the coiling box, and the coiling box is fixed on the surface of shrouding, and the outer wall of coiling box is provided with rolling motor, and the axis body of rolling motor runs through and connects on the surface of carousel behind the outer wall of coiling box, and the surface of carousel is provided with the coiling pole, and the outside cover of carousel is equipped with the bearing, and the bearing is fixed in the bearing groove, and the inner wall at the coiling box is seted up to the bearing groove, and the carousel is provided with two, and the coiling pole is in between two carousels.

Preferably, the electric hydraulic rod is square frame structure, and the electric hydraulic rod is provided with two sets ofly, and two sets of electric hydraulic rods are provided with the reinforcement gusset about the bottom surface central symmetry distribution of drive fluted disc about the cushion socket is inside hollow platform shape structure, between the top surface of cushion socket and the piston rod of electric hydraulic rod, and the inner wall of cushion socket is provided with the stand, the outside cover of stand is equipped with the spring, the spring is fixed between the roof of cushion socket and the bottom plate of cushion socket, and the bottom surface of cushion socket is provided with flexible backing plate.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. according to the bridge pier crane for constructing the sea-crossing bridge, the clamping arms are additionally arranged on the two sides of the balance frame, the clamping arms are matched with the driving fluted disc through the meshed toothed plate to realize the adjustment of clamping force, and compared with the bridge pier which is only bound by using ropes, the clamping of the bridge pier by the clamping arms is better in firmness;

2. according to the bridge pier crane for constructing the sea-crossing bridge, the surface of the clamping arm is provided with the placing groove for installing the rope protecting pipe, the bottom of the balance frame is provided with the rolling device, and the rolling rope body penetrates through the rope protecting pipe and then is bolted on the pull ring, so that the clamping arm is safely pulled, and the bridge pier falling hidden danger caused by sudden loosening due to insufficient clamping arm strength is avoided;

3. according to the bridge pier crane for the construction of the sea-crossing bridge, the electric hydraulic rods are additionally arranged at the bottom of the hoisting beam to push the buffer seats to move downwards, when the two groups of buffer seats move downwards to be in contact with the balance frame, the connection part of the hoisting ring and the hook cannot shake, so that the bridge pier hoisted at the lower part cannot shake, and the stable placement of the bridge pier is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the mounting bracket of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the structure of the rolling box of the present invention;

FIG. 5 is a schematic view of a buffer seat according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: the balance frame 1, the extension frame 2, the horizontal pole 3, the centre gripping arm 4, the meshing pinion rack 5, drive fluted disc 6, round pin axle 7, mounting bracket 8, driven pulley 9, drive pulley 10, driving motor 11, spacing seat 12, drive belt 13, standing groove 14, protect rope pipe 15, pull ring 16, mounting groove 17, shrouding 18, guide pulley 19, rolling box 20, rolling motor 21, carousel 22, winding rod 23, bearing 24, bearing groove 25, hoist and mount roof beam 26, hoist and mount rope 27, rings 28, link 29, mount 30, electronic hydraulic stem 31, buffer seat 32, reinforcing gusset 33, stand 34, spring 35, flexible backing plate 36.

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.

Referring to fig. 1 to 6, the present invention provides a technical solution: a bridge pier hoisting machine for construction of a large sea-crossing bridge comprises a balance frame 1, wherein an extending frame 2 is welded on the surface of the balance frame 1, a cross rod 3 is welded on the surface of the extending frame 2, the cross rod 3 penetrates through a clamping arm 4, a meshing toothed plate 5 is welded on the surface of the clamping arm 4, the extending frame 2 is of a T-shaped frame structure, two groups of extending frames 2 are arranged, the two groups of extending frames 2 are symmetrically distributed about the balance frame 1, the cross rod 3 is of a circular cylinder structure, the clamping arm 4 is of an L-shaped structure, the top surface of the clamping arm 4 is of a circular arc curved surface, the meshing toothed plate 5 is of a circular arc plate-shaped structure, the meshing toothed plate 5 is in meshing connection with a driving toothed plate 6, the driving toothed plate 6 is sleeved on the outer side of a pin shaft 7, the pin shaft 7 is inserted and connected on the surface of a mounting frame 8, the mounting frame 8 is welded on the top surface of, the driving belt wheel 10 is fixed on a driving shaft of the driving motor 11, the driving motor 11 is fixed in a limiting seat 12, the mounting frame 8 is of a T-shaped frame structure, the pin shaft 7 penetrates through two side plates of the mounting frame 8, the limiting seat 12 is of a square frame structure, the top surface of a bottom plate of the limiting seat 12 is of a circular arc shape, the limiting seat 12 is fixed on the top surface of the balance frame 1, the driving motor 11 drives the driving belt wheel 10 to rotate, the driving belt wheel 10 drives the driven belt wheel 9 to rotate through a driving belt 13, the driven belt wheel 9 drives the pin shaft 7 to rotate, the driving fluted disc 6 synchronously rotates along with the pin shaft 7, the driving fluted disc 6 is meshed and connected with the meshing toothed plate 5 so as to drive the clamping arms 4 to swing around the cross rod 3, the clamping force of the clamping arms 4 is adjusted, in the adjusting process of the clamping arms 4, a rope body on the surface of the winding rod 23, the fixing firmness of the bridge pier is improved;

the surface of the clamping arm 4 is provided with a placing groove 14, the inside of the placing groove 14 is welded with a rope protecting pipe 15, the bottom surface of the placing groove 14 is welded with a pull ring 16, the placing groove 14 is of a square cylinder structure, the meshing toothed plate 5 is of a square tubular structure, the length of the long side of the meshing toothed plate 5 is smaller than that of the long side of the clamping arm 4, the top surface of the placing groove 14 is obliquely arranged, a guide wheel 19 is positioned on the top surface of the placing groove 14, the bottom surface of the balance frame 1 is provided with a mounting groove 17, a sealing plate 18 is inserted into the mounting groove 17, the surfaces of the sealing plate 18 and the placing groove 14 are both provided with guide wheels 19, the surface of the sealing plate 18 is provided with a rolling component, the mounting groove 17 is of a square cylinder structure, the sealing plate 18 is of a convex plate-shaped structure, the size of the bottom surface of the sealing plate 18 is, the winding assembly comprises winding boxes 20, the winding boxes 20 are fixed on the surface of the sealing plate 18, winding motors 21 are arranged on the outer walls of the winding boxes 20, shaft bodies of the winding motors 21 penetrate through the outer walls of the winding boxes 20 and then are connected to the surface of a turntable 22, winding rods 23 are arranged on the surface of the turntable 22, bearings 24 are sleeved on the outer side of the turntable 22 and fixed in bearing grooves 25, the bearing grooves 25 are formed in the inner walls of the winding boxes 20, the two turntables 22 are arranged, the winding rods 23 are located between the two turntables 22, the winding motors 21 are started to drive the winding rods 23 to rotate to wind the rope, and the rope traction hoisting beams 26 prevent the clamping arms 4 from suddenly unloading force to cause bridge piers to fall off;

a hoisting beam 26 is arranged above the balance frame 1, a hoisting rope 27 is connected to the bottom surface of the hoisting beam 26, hoisting rings 28 are bolted to the bottom end of the hoisting rope 27, the hoisting rings 28 are connected with hanging rings 29 in a matching manner, the hanging rings 29 are fixed on the top surface of the balance frame 1, a fixing frame 30 is welded on the bottom surface of the hoisting beam 26, an electric hydraulic rod 31 is installed inside the fixing frame 30, a buffer seat 32 is welded at the bottom end of the electric hydraulic rod 31, the electric hydraulic rod 31 is of a square frame structure, two groups of electric hydraulic rods 31 are arranged, the two groups of electric hydraulic rods 31 are symmetrically distributed about the center of the bottom surface of the driving fluted disc 6, the buffer seat 32 is of a hollow platform-shaped structure, a reinforcing rib plate 33 is arranged between the top surface of the buffer seat 32 and a piston rod of the electric hydraulic rod 31, upright columns 34 are arranged on the inner wall of the buffer seat 32, springs 35, the bottom surface of cushion socket 32 is provided with flexible backing plate 36, and during the pier installation, the extension of electronic hydraulic stem 31 piston rod pushes down cushion socket 32 to flexible backing plate 36 and gimbal 1 contact, so two sets of cushion sockets 32 all move down the back, and rings 28 and link 29 junction can not swing to gimbal 1 can not swing, the pier steady installation of the 4 centre gripping of centre gripping arms of being convenient for.

The working principle is as follows: when the device is in actual use, the driving motor 11 drives the driving belt wheel 10 to rotate, the driving belt wheel 10 drives the driven belt wheel 9 to rotate through the driving belt 13, the driven belt wheel 9 drives the pin shaft 7 to rotate, the driving fluted disc 6 synchronously rotates along with the pin shaft 7, the driving fluted disc 6 is meshed and connected with the meshed toothed plate 5 so as to drive the clamping arms 4 to swing around the cross rod 3, the clamping force of the clamping arms 4 is adjusted, in the adjusting process of the clamping arms 4, rope bodies on the surfaces of the winding rods 23 are in a paying-off state, after the traditional ropes are bound to piers, the clamping arms 4 on the two sides of the balance frame 1 are adjusted to clamp the piers, the fixing firmness of the piers is improved, then the winding motor 21 is started to drive the winding rods 23 to rotate to wind the rope bodies, the rope bodies draw the hoisting beams 26 to avoid the clamping arms 4 from falling off due to sudden force unloading, when the piers are installed, after the two groups of buffer seats 32 move downwards, the connection part of the hanging ring 28 and the hanging ring 29 cannot swing, so that the balance frame 1 cannot swing, and the pier clamped by the clamping arm 4 can be stably installed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pier crane for striding sea bridge construction usefulness, includes gimbal (1), its characterized in that: the surface of balancing stand (1) is provided with extending stand (2), the surface of extending stand (2) is provided with horizontal pole (3), centre gripping arm (4) is run through to horizontal pole (3), the surface of centre gripping arm (4) is provided with meshing pinion rack (5), meshing pinion rack (5) is connected with the meshing of drive fluted disc (6), drive fluted disc (6) cover is in the outside of round pin axle (7), round pin axle (7) are pegged graft on the surface of mounting bracket (8), mounting bracket (8) are fixed at the top surface of extending stand (2), and the outside cover of round pin axle (7) is equipped with driven pulley (9), driven pulley (9) are connected with drive pulley (10) through drive belt (13), drive pulley (10) are fixed in the drive shaft of driving motor (11), driving motor (11) are fixed in spacing seat (12), the top surface at balancing stand (1) is fixed to spacing seat (12), the surface of the clamping arm (4) is provided with a placing groove (14), a rope protecting pipe (15) is arranged inside the placing groove (14), the bottom surface of the placing groove (14) is provided with a pull ring (16), the bottom surface of the balance frame (1) is provided with a mounting groove (17), a sealing plate (18) is inserted inside the mounting groove (17), guide wheels (19) are arranged on the surfaces of the sealing plate (18) and the placing groove (14), a winding component is arranged on the surface of the sealing plate (18), a hoisting beam (26) is arranged above the balance frame (1), a hoisting rope (27) is arranged on the bottom surface of the hoisting beam (26), a hanging ring (28) is arranged at the bottom end of the hoisting rope (27), the hanging ring (28) is connected with a hanging ring (29) in a matching manner, the hanging ring (29) is fixed on the top surface of the balance frame (1), and a fixing frame (30) is arranged, an electric hydraulic rod (31) is arranged in the fixing frame (30), and a buffer seat (32) is arranged at the bottom end of the electric hydraulic rod (31).

2. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: epitaxial frame (2) are "T" font frame construction, and epitaxial frame (2) are provided with two sets ofly, and two sets of epitaxial frame (2) are about balancing stand (1) symmetric distribution, and horizontal pole (3) are the circular cylinder structure, and centre gripping arm (4) are "L" shape structure, and the top surface of centre gripping arm (4) is convex curved surface, and meshes pinion rack (5) and be convex platelike structure.

3. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: mounting bracket (8) are "T" font frame construction, and round pin axle (7) run through two curb plates of mounting bracket (8), and spacing seat (12) are square frame structure, and the bottom plate top surface of spacing seat (12) is convex curved surface.

4. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: the placing groove (14) is of a square column structure, the meshing toothed plate (5) is of a square tubular structure, the length of the long edge of the meshing toothed plate (5) is smaller than that of the long edge of the clamping arm (4), the top surface of the placing groove (14) is inclined, and the guide wheel (19) is located on the top surface of the placing groove (14).

5. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: mounting groove (17) are square column body structure, and shrouding (18) are "protruding" font platelike structure, and the bottom surface size of shrouding (18) is greater than the opening size of mounting groove (17), and the surface of shrouding (18) is provided with the screw rod, and the screw rod runs through behind the bottom plate of shrouding (18) spiro union in the bottom surface of balancing stand (1).

6. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: the rolling subassembly is including rolling up box (20), the surface at shrouding (18) is fixed in rolling up box (20), the outer wall of rolling up box (20) is provided with rolling motor (21), the surface at carousel (22) is connected after the axis body of rolling motor (21) runs through the outer wall of rolling up box (20), the surface of carousel (22) is provided with rolling up pole (23), the outside cover of carousel (22) is equipped with bearing (24), bearing (24) are fixed in bearing groove (25), the inner wall at rolling up box (20) is seted up in bearing groove (25), and carousel (22) are provided with two, rolling up pole (23) are in between two carousel (22).

7. The bridge pier hoist for constructing the sea-crossing bridge according to claim 1, wherein: electric hydraulic stem (31) are square frame structure, and electric hydraulic stem (31) are provided with two sets ofly, and two sets of electric hydraulic stem (31) are provided with reinforcement gusset (33) about the bottom surface central symmetry distribution of drive fluted disc (6), and cushion socket (32) are inside hollow platform shape structure, between the top surface of cushion socket (32) and the piston rod of electric hydraulic stem (31), and the inner wall of cushion socket (32) is provided with stand (34), the outside cover of stand (34) is equipped with spring (35), spring (35) are fixed between the roof of cushion socket (32) and the bottom plate of cushion socket (32), and the bottom surface of cushion socket (32) is provided with flexible backing plate (36).