CN216006638U

CN216006638U - Simple and easy portable bridge construction L shape gallows

Info

Publication number: CN216006638U
Application number: CN202121766786.XU
Authority: CN
Inventors: 汪元林; 张枫
Original assignee: Hubei Hualue Construction Engineering Co ltd
Current assignee: Hubei Hualue Construction Engineering Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-03-11
Anticipated expiration: 2031-07-31

Abstract

A simple movable bridge construction L-shaped hanging bracket comprises a supporting column, wherein a moving assembly is arranged at the bottom of the supporting column, a counterweight assembly is arranged above the moving assembly, a fixed table is fixedly connected to the upper end of the supporting column, a lifting assembly is arranged on the surface of the fixed table, the lifting assembly is connected with a driving assembly, the driving assembly drives the lifting assembly to lift, the bottom end of the driving assembly drives the counterweight assembly to horizontally displace, and meanwhile, the counterweight assembly pulls the lifting assembly to keep the center of gravity balanced; the beneficial effects are that: the utility model provides a through setting up the motor and driving the threaded rod, utilize helicitic texture to promote or the whereabouts crossbeam, realize the adjustment to operation platform, still establish spacing pipe and damping spring and dead lever to the crossbeam simultaneously, carried out the bradyseism when the crossbeam goes up and down and handled, set up the pulley on the base, convenient removal, simple structure, operation safe and reliable.

Description

Simple and easy portable bridge construction L shape gallows

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a simple movable L-shaped hanging bracket for bridge construction.

Background

In the history of bridge construction in China, the bridge construction materials from simple single-log bridges to today's steel bridges, from single beam bridges to floating bridges, cable bridges, arch bridges, garden bridges, gallery bridges, fiber bridges and the like, mainly use wood, mainly use stone, mainly use steel and reinforced concrete, and the bridge construction process is very long. The bridge is always an important building facility from ancient times to present, and in the construction process of the bridge, the problem of improving the construction convenience degree while improving the safety of bridge construction operation and reducing construction risks is widely concerned by people in the field of bridge construction.

But because the particularity of passing a bridge the pipeline and laying, the bridge is higher, and the working space is narrow, still has the construction operation degree of difficulty very big in the bridge work progress at present, and the L shape gallows that uses often the size is great in the bridge work progress at present, and the structure is complicated, difficult removal, and the unable adjustment of the focus position of gallows, and easy emergence is turned on one's side during the construction, prolongs the engineering time, delays the construction progress, is unfavorable for improving the operating efficiency, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple movable L-shaped hanging bracket for bridge construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a simple and easy portable bridge construction L shape gallows, includes the support column, its characterized in that: the bottom of support column is equipped with the removal subassembly, and the top of removing the subassembly is equipped with the counter weight subassembly, and the upper end fixedly connected with fixed station of support column, the surface of fixed station are equipped with lifting unit, and lifting unit is connected with drive assembly, and drive assembly drives lifting unit and goes up and down, and drive assembly's bottom then drives counter weight subassembly horizontal displacement, and counter weight subassembly pulls lifting unit and keeps focus balance simultaneously.

Preferably, the moving assembly comprises a roller, the top of the roller is connected with a base, and the surface of the base is fixedly connected with the bottom of the supporting column.

Preferably, the counterweight assembly comprises a counterweight frame, a sliding block is arranged at the bottom of the counterweight frame, the sliding block is connected to the surface of the base in a sliding mode, a screw rod is connected to the center of the counterweight frame through threads, a baffle is connected to one end of the screw rod through the counterweight frame in a penetrating mode, the baffle is fixedly connected to the surface of the base, and the other end of the screw rod is connected to the inside of the supporting column in a rotating mode through a bearing seat.

Preferably, the lifting component comprises a threaded rod, the surface of the threaded rod is connected with a cross beam in a threaded manner, the bottom end of the threaded rod is rotatably connected onto the fixed table, the top end of the threaded rod penetrates through the mounting seat, the lower surface of the mounting seat is fixedly connected with a limiting pipe, the limiting pipe is sleeved with a fixed rod through a damping spring, and the fixed rod is fixedly mounted on the surface of the fixed table.

Preferably, drive assembly includes the motor, and the transmission end of motor rotates and is connected with the threaded rod, and the bottom of threaded rod runs through the surface mounting of fixed station and support column in the inside of support column, and threaded rod surface connection has the locating part, and the both sides of locating part are connected on the inner wall of support column, and the bottom of threaded rod still installs the umbrella wheel, and the umbrella wheel meshes with the lead screw mutually and promotes the counterweight housing and slide, realizes the adjustment to gallows focus position, prevents that the gallows from turning on one's side.

Preferably, the lower surface of crossbeam still fixedly connected with second hoop, the intra-annular of second hoop has around the iron chain, and the stiff end of iron chain is connected with first hoop, first hoop fixed connection in the counterweight frame side, and the expansion end of iron chain is through the couple lock joint of activity buckle and iron chain.

Preferably, the surface of the base is provided with a sliding chute, the size of the sliding chute is matched with a sliding block installed at the bottom of the counterweight frame, the upper surface of the counterweight frame is provided with a counterweight block, and the weight of the counterweight block is provided with various specifications.

Preferably, the number of the rollers is four, the rollers are arranged at the bottom of the base in a matrix manner, and the rollers are further provided with stop devices.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides a through setting up the motor and driving the threaded rod, utilize the helicitic texture to promote or fall the crossbeam, realize the adjustment to operation platform, still set up spacing pipe and damping spring and dead lever to the crossbeam simultaneously, carried out the bradyseism when the crossbeam goes up and down, set up the pulley on the base, convenient removal, simple structure, operation safe and reliable;

2. the utility model provides a through at base surface sliding connection counter weight frame, set up the screw hole on counter weight frame and be connected with the lead screw, and set up hoop and iron chain and be connected counter weight frame and crossbeam for pull the crossbeam when promoting counter weight frame horizontal displacement when the lead screw pivoted and keep gallows focus balanced, take place to turn on one's side when preventing the gallows construction, ensured workman's safety.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the internal installation structure of the support column.

In the figure: the device comprises a support column 1, a fixed platform 2, a fixed rod 3, a damping spring 4, a limiting pipe 5, a cross beam 6, a mounting seat 7, a motor 8, a baffle plate 9, a screw rod 10, a counterweight frame 11, a roller 12, a threaded rod 13, a limiting part 14, an umbrella wheel 15, a bearing seat 16, a sliding block 17, a first iron ring 18, a second iron ring 19, a base 20, an iron chain 21, a movable buckle 22 and a counterweight 23.

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 3, the present invention provides a technical solution: a simple movable L-shaped hanging bracket for bridge construction comprises a supporting pillar 1, wherein a moving assembly is arranged at the bottom of the supporting pillar 1 and comprises four rollers 12, the top of each roller 12 is fixedly connected with a base 20, the four rollers 12 are arranged at the bottom of the base 20 in a matrix manner, and a stop device is further arranged on each roller 12 to prevent the rollers 12 from displacing in the operation process of the hanging bracket; the surface of the base 20 is fixedly connected with the bottom of the support column 1 through a bolt, the surface of the base 20 is provided with a sliding chute, and the size of the sliding chute is matched with a sliding block 17 arranged at the bottom of the counterweight frame 11, so that the counterweight frame 11 horizontally displaces on the surface of the base 20; and the counterweight 23 is placed on the upper surface of the counterweight frame 11, and the counterweight 23 is increased or reduced, so that acting force is applied to pull the beam 6 to keep the balance of the hanger, and the side turning of the hanger in the construction process is prevented.

A counterweight assembly is arranged above the moving assembly, the counterweight assembly comprises a counterweight frame 11, a sliding block 17 is arranged at the bottom of the counterweight frame 11, the sliding block 17 is connected to the surface of the base 20 in a sliding manner, the center part of the counterweight frame 11 is also connected with a screw rod 10 through threads, the screw rod generally refers to a ball screw, and the ball screw is a transmission element which is most frequently used on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, has the characteristics of high precision, reversibility and high efficiency, and has very small friction resistance; one end of the screw rod 10 penetrates through the counterweight housing 11 and is connected with the baffle 9, the baffle 9 is fixedly connected to the surface of the base 20, the other end of the screw rod 10 is rotatably connected to the inside of the support column 1 through the bearing seat 16, the screw rod 10 is arranged to drive the counterweight housing 11 to slide, and the gravity center of the offset hanging bracket is achieved.

The upper end of the supporting column 1 is fixedly connected with a fixed platform 2, the surface of the fixed platform 2 is provided with a lifting assembly, the lifting assembly comprises a threaded rod 13, the surface of the threaded rod 13 is in threaded connection with a cross beam 6, the lower surface of the cross beam 6 is also fixedly connected with a second iron ring 19, an iron chain 21 is wound in the second iron ring 19, the fixed end of the iron chain 21 is connected with a first iron ring 18, the first iron ring 18 is fixedly connected to the side surface of the counterweight frame 11, and the movable end of the iron chain 21 is buckled with a hook of the iron chain 21 through a movable buckle 22; the bottom end of the threaded rod 13 is rotatably connected to the fixed table 2, the top end of the threaded rod 13 penetrates through the mounting seat 7, the lower surface of the mounting seat 7 is fixedly connected with the limiting tube 5, the limiting tube 5 is sleeved with the fixed rod 3 through the damping spring 4, the fixed rod 3 is fixedly mounted on the surface of the fixed table 2, and the damping effect is achieved through the arrangement of the spring; the damping spring is a common elastic element, is widely applied to various vibration devices, and has the advantages of good stability, low noise, good vibration isolation effect, long service life and the like. The damping spring is a compression spring, a rubber spring, a composite spring, an air bag spring and the like. The steel wire compression spring is a spiral spring bearing axial pressure, the section of the material used by the steel wire compression spring is mostly circular, the steel wire compression spring is also coiled by rectangle and stranded steel wires, the spring is generally equidistant, and the shape of the compression spring is as follows: the compression spring is cylindrical, conical, convex and concave, small in non-circular and the like, a certain gap is reserved between rings of the compression spring, and the compression spring contracts and deforms when being subjected to external load to store deformation energy; the rubber spring is a high-molecular elastomer and has the advantages of small self-heating, good rebound resilience, stable mechanical property, long service life, low cost and the like; the composite spring is an elastomer compounded by a metal spiral spring and rubber into a whole, integrates the advantages of the metal spring and the rubber spring into a whole, overcomes the defects of the metal spring and the rubber spring, has stable shape and mechanical property, can bear heavy load and large deformation, has the advantages of good vibration isolation and noise reduction effects, stable work, short time of passing a resonance area and the like, and is particularly suitable for large-scale vibration equipment in the industries of mines, metallurgy, coal and the like; the rubber air spring is a flexible body formed by molding and vulcanizing a cord layer, an inner rubber layer and an outer rubber layer or a steel wire ring, and is a rubber element which realizes an elastic function by utilizing the compressibility of charged air, commonly called as an air spring, a rubber air bag, an air bag and the like.

The lifting assembly is connected with a driving assembly, the driving assembly comprises a motor 8, a transmission end of the motor 8 is rotatably connected with a threaded rod 13, the bottom end of the threaded rod 13 penetrates through the surfaces of the fixed table 2 and the supporting column 1 and is installed inside the supporting column 1, a limiting piece 14 is connected to the surface of the threaded rod 13, and two sides of the limiting piece 14 are connected to the inner wall of the supporting column 1 to prevent the threaded rod 13 from shifting during transmission; the bottom end of the threaded rod 13 is also provided with an umbrella wheel 15, and the umbrella wheel 15 is meshed with the screw rod 10 to push the counterweight frame 11 to slide, so that the gravity center position of the hanging bracket is adjusted; the drive assembly drives the lifting assembly to lift, and the bottom of the drive assembly drives the horizontal displacement of the counterweight assembly simultaneously, so that the gravity center of the hanger can be adjusted, the hanger can be kept stable, and side turning accidents can be prevented.

The working principle is as follows: when the hanger is actually used, the hanger is moved to a position to be worked through the roller 12 and then is stopped and fixed, then the motor 8 is started, the cross beam 6 is driven to lift or fall on the surface of the limiting tube 5 by rotating the threaded rod 13, meanwhile, the damping spring 4 carries out damping treatment on the limiting tube 5, the umbrella wheel 15 connected with the bottom of the threaded rod 13 is meshed with the threaded rod 10 along with the rotation of the threaded rod 13 and drives the threaded rod 10 to rotate, the threaded rod 10 is in threaded connection with the counterweight frame 11, the threaded rod 10 pushes the counterweight frame 11 to horizontally displace through the slide block 17 arranged at the bottom of the counterweight frame 11, as the counterweight frame 11 is also connected with the first iron ring 18, the first iron ring 18 locks the second iron ring 19 through the movable buckle 22 through the iron chain 21, the counterweight frame 11 pulls the cross beam 6 to keep the gravity center balance of the hanger while the hanger is lifted, the hanger is in a stable state, and the side turning of the hanger in the construction process is prevented, the construction safety of workers is guaranteed.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy portable bridge construction L shape gallows, includes support column (1), its characterized in that: the bottom of support column (1) is equipped with the removal subassembly, and the top of removing the subassembly is equipped with the counter weight subassembly, the upper end fixedly connected with fixed station (2) of support column (1), and the surface of fixed station (2) is equipped with lifting unit, and lifting unit is connected with drive assembly, and drive assembly drives lifting unit and goes up and down, and drive assembly's bottom then drives counter weight subassembly horizontal displacement, and counter weight subassembly pulls lifting unit simultaneously and keeps focus balance.

2. The simple movable L-shaped hanging bracket for bridge construction according to claim 1, characterized in that: the moving assembly comprises a roller (12), the top of the roller (12) is connected with a base (20), and the surface of the base (20) is fixedly connected with the bottom of the supporting column (1).

3. The simple movable L-shaped hanging bracket for bridge construction according to claim 2, characterized in that: the counter weight subassembly includes counter weight frame (11), and the bottom of counter weight frame (11) is equipped with slider (17), and slider (17) sliding connection is on the surface of base (20), and the central point of counter weight frame (11) still has lead screw (10) through threaded connection, and the one end of lead screw (10) is run through counter weight frame (11) and is connected with baffle (9), and baffle (9) fixed connection is on the surface of base (20), and the other end of lead screw (10) passes through bearing frame (16) and rotates the inside of connecting at support column (1).

4. The simple movable L-shaped hanging bracket for bridge construction according to claim 1, characterized in that: lifting unit includes threaded rod (13), and the surperficial threaded connection of threaded rod (13) has crossbeam (6), and the bottom of threaded rod (13) is rotated and is connected on fixed station (2), and mount pad (7) are run through on the top of threaded rod (13), and the lower fixed surface of mount pad (7) is connected with spacing pipe (5), and dead lever (3) have been cup jointed through damping spring (4) in spacing pipe (5), and dead lever (3) fixed mounting is on the surface of fixed station (2).

5. The simple movable L-shaped hanging bracket for bridge construction according to claim 3, characterized in that: drive assembly includes motor (8), and the transmission end of motor (8) rotates and is connected with threaded rod (13), and the bottom of threaded rod (13) runs through the inside at support column (1) of the surface mounting of fixed station (2) and support column (1), and threaded rod (13) surface connection has locating part (14), and the both sides of locating part (14) are connected on the inner wall of support column (1), and umbrella wheel (15) are still installed to the bottom of threaded rod (13), and umbrella wheel (15) and lead screw (10) mesh mutually and promote counter weight frame (11) and slide.

6. The simple movable L-shaped hanging bracket for bridge construction according to claim 4, wherein: the lower surface of crossbeam (6) is fixedly connected with second hoop (19) still, and the intra-annular of second hoop (19) is around having iron chain (21), and the stiff end of iron chain (21) is connected with first hoop (18), and first hoop (18) fixed connection is in the side of counterweight frame (11), and the expansion end of iron chain (21) is through the couple lock joint of activity buckle (22) and iron chain (21).

7. The simple movable L-shaped hanging bracket for bridge construction according to claim 3, characterized in that: the surface of base (20) has seted up the spout, and the size of spout and slider (17) phase-match of counterweight frame (11) bottom installation, and counterweight (23) have been placed to the upper surface of counterweight frame (11), and the weight of counterweight (23) is equipped with multiple specification.

8. The simple movable L-shaped hanging bracket for bridge construction according to claim 2, characterized in that: the number of the rollers (12) is four, the rollers (12) are arranged at the bottom of the base (20) in a matrix manner, and the rollers (12) are further provided with a stop device.