CN219710109U - Bridge maintenance jacking reaction frame - Google Patents

Abstract

The utility model discloses a bridge maintenance jacking reaction frame, which comprises a frame body, an electric telescopic rod, a lifting plate, a sliding block, a sliding groove, a jack and a telescopic block, and is characterized in that: the electric telescopic rod is fixedly installed inside the lower end of the frame body, the lifting plate is fixedly installed at the upper end of the electric telescopic rod, the sliding blocks are fixedly installed on the two sides of the lifting plate, the outer sides of the sliding blocks are contacted with the sliding grooves, and the sliding grooves are formed in the inner walls of the two sides of the frame body. This bridge maintenance jacking reaction frame sets up height-adjustable's lifter plate, and the lifter plate rises and descends and to adjust the height of jack for the device can be applicable to different bridges, and the balancing pole makes the effect that can be more balanced when the power of spacing frame reciprocates or jack is applyed to the bridge, makes the jack be difficult for producing the slip when bridge shakes, avoids influencing the effect of bridge maintenance, has improved the practicality of device, has increased application range, has avoided rocking the unbalance that brings.

Description

Bridge maintenance jacking reaction frame

Technical Field

The utility model relates to the technical field of bridge maintenance, in particular to a bridge maintenance jacking reaction frame.

Background

Along with the rapid development of Chinese economy, more and more bridges are built, so that people need to use a jacking reaction frame to maintain the bridge for the safety of running on the bridge, but the existing jacking reaction frame has certain defects, such as:

the jacking reaction frame comprises a supporting bottom plate, wherein a lifting adjusting mechanism is arranged on the top end surface of the supporting bottom plate; the lifting bearing plate is arranged on the outer side of the top end surface of the lifting adjusting mechanism; the three guide limiting frames are arranged front and back and fixedly connected to the inner sides of the supporting bottom plate and the lifting bearing plate; the two balance auxiliary frames are respectively and fixedly connected to the left side and the right side of the top end face of the lifting bearing plate; the auxiliary jacking plates are in sliding connection with the inner sides of the two balance auxiliary frames, so that the counter-force frames are always balanced in the application process, smooth operation during maintenance of the bridge is ensured, the occupied space of the jacking counter-force frames during transportation is effectively reduced, and the convenience of the counter-force frames during movement and transportation is improved;

foretell a jacking reaction frame makes it can fold when not using through the auxiliary shaft, has improved the convenience of transportation, but when supporting, needs the jacking reaction frame to remain balanced all the time, and unbalanced jacking reaction frame influences the maintenance effect of bridge easily, and when lifting off the jacking reaction frame, the reaction force that the bridge of top probably suddenly appears kick-backing simultaneously, leads to the inside structural damage of jacking reaction frame easily, has caused the increase of maintenance cost.

Disclosure of Invention

The utility model aims to provide a bridge maintenance jacking reaction frame so as to solve the problems that the unbalanced jacking reaction frame provided in the background technology is easy to influence the maintenance effect of a bridge, the bridge can suddenly generate rebound reaction force, the internal structure of the jacking reaction frame is easy to damage, and the maintenance cost is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bridge maintenance jacking reaction frame, includes support body, electric telescopic handle, lifter plate, sliding block, sliding tray, jack and flexible piece, the inside fixed mounting of lower extreme of support body has electric telescopic handle, and electric telescopic handle's upper end fixed mounting has the lifter plate to the both sides fixed mounting of lifter plate has the sliding block, the outside contact sliding tray of sliding block, and the sliding tray is seted up at the both sides inner wall of support body, the upper end fixed mounting of lifter plate has the supporting shoe, and the upper end fixed mounting of supporting shoe has the spacing frame, and the inside upper end fixed mounting of spacing frame has the jack, the inner wall fixed mounting of spacing frame has spacing spring, and the inboard fixed mounting of spacing spring has the stripper plate;

the lower extreme fixed mounting of lifter plate has the flexible piece, and the lower extreme rotation of flexible piece installs the dwang to the middle-end fixed mounting of dwang has buffer spring, the lower extreme rotation of dwang is installed and is walked the travelling wheel, and walks the bottom of travelling wheel contact support body.

Further, the frame body forms a lifting structure through the electric telescopic rods and the lifting plates, and the number of the electric telescopic rods is two, so that the lifting plate can lift and move along the inside of the frame body.

Further, the lifting plate forms a sliding structure with the frame body through the sliding block, and the sliding block forms a clamping structure with the frame body through the sliding groove, so that the effect of clamping the sliding block with the sliding groove while sliding along the sliding groove is reflected.

Further, the balance bars are fixedly arranged on the left side and the right side of the supporting block, the upper ends of the balance bars are fixedly arranged at the bottoms of the left side and the right side of the limiting frame, and the structure shows the effect that the supporting block enables the limiting frame to be more balanced through the balance bars.

Further, the upper end of stripper plate is the slope form, and the stripper plate forms elastic construction through spacing spring and spacing frame, and the stripper plate forms the block structure through spacing spring and jack, and this structure has embodied the stripper plate and has formed spacing block's effect to the jack through spacing spring.

Further, an elastic structure is formed between the two rotating rods through the buffer springs, the rotating rods form a rotating structure through the running wheels and the telescopic blocks, the running wheels form a sliding structure with the frame body through the rotating rods, and the structure shows the effect that the rotating rods slide in the frame body through the running wheels to form buffer protection.

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

1. this bridge maintenance jacking reaction frame sets up the lifter plate that can height-adjusting, the lifter plate rises and descends and to adjust the height of jack, make the device can be applicable to different bridges, and the balancing pole makes the effect that can be more balanced when the oscilaltion of spacing frame or the power of jacking is applyed to the bridge, the stripper plate carries out spacing block to the jack through spacing spring, make the jack be difficult for producing the slip when bridge shakes, avoid influencing the effect of bridge maintenance, the practicality of device has been improved, the application range has been increased, unbalance that the rocking brought has been avoided;

2. this bridge maintenance jacking reaction frame is provided with the dwang that protects internal device, drives the rising of flexible piece when the lifter plate rises, and flexible piece lower extreme extends, and the dwang rotates and makes the running wheel slide along support body bottom inner wall buffering, has avoided because when lifting reaction frame is withdrawn suddenly, the bridge floor can produce certain reaction force and lead to the inside atress of device to produce the effect of wearing and tearing, protects the structure of device inside, has increased the life of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model in a front cross-section;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of a slider of the present utility model in a cross-sectional view;

FIG. 4 is a schematic top view of a limiting frame according to the present utility model;

fig. 5 is a schematic side view of the turning rod of the present utility model.

In the figure: 1. a frame body; 2. an electric telescopic rod; 3. a lifting plate; 4. a sliding block; 5. a sliding groove; 6. a support block; 7. a balance bar; 8. a limit frame; 9. a jack; 10. a limit spring; 11. an extrusion plate; 12. a telescopic block; 13. a rotating lever; 14. a buffer spring; 15. and a running wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a bridge maintenance jacking reaction frame, includes support body 1, electric telescopic handle 2, lifter plate 3, sliding block 4, sliding tray 5, supporting shoe 6, balancing pole 7, spacing frame 8, jack 9, spacing spring 10, stripper plate 11, expansion block 12, dwang 13, buffer spring 14 and running wheel 15.

In this embodiment: the electric telescopic rod 2 is fixedly arranged in the lower end of the frame body 1, the lifting plate 3 is fixedly arranged at the upper end of the electric telescopic rod 2, the sliding blocks 4 are fixedly arranged at the two sides of the lifting plate 3, the outer sides of the sliding blocks 4 are contacted with the sliding grooves 5, the sliding grooves 5 are formed in the inner walls of the two sides of the frame body 1, the supporting blocks 6 are fixedly arranged at the upper ends of the lifting plate 3, the limiting frame 8 is fixedly arranged at the upper ends of the supporting blocks 6, the jack 9 is fixedly arranged at the upper ends of the inner parts of the limiting frame 8, the limiting spring 10 is fixedly arranged at the inner wall of the limiting frame 8, and the extrusion plate 11 is fixedly arranged at the inner sides of the limiting spring 10;

the lower extreme fixed mounting of lifter plate 3 has flexible piece 12, and the lower extreme rotation of flexible piece 12 installs dwang 13 to the middle-end fixed mounting of dwang 13 has buffer spring 14, and the lower extreme rotation of dwang 13 installs running wheel 15, and the lower extreme of running wheel 15 contacts the bottom of support body 1.

The frame body 1 forms a lifting structure through the electric telescopic rods 2 and the lifting plates 3, the number of the electric telescopic rods 2 is two, the lifting plates 3 form a sliding structure with the frame body 1 through the sliding blocks 4, the sliding blocks 4 form a clamping structure with the frame body 1 through the sliding grooves 5, the balance rods 7 are fixedly arranged on the left side and the right side of the supporting blocks 6, the upper ends of the balance rods 7 are fixedly arranged at the bottoms of the left side and the right side of the limiting frame 8, the upper ends of the extrusion plates 11 are inclined, the extrusion plates 11 form an elastic structure with the limiting frame 8 through the limiting springs 10, and the extrusion plates 11 form a clamping structure with the jacks 9 through the limiting springs 10;

according to fig. 1, fig. 2, fig. 3 and fig. 4, the bridge maintenance jacking reaction frame is placed at a working position, the jack 9 is placed in the limiting frame 8 along the inclined position of the extrusion plate 11, at the moment, the limiting springs 10 around the jack apply elasticity to clamp the jack 9 through the extrusion plate 11, the electric telescopic rod 2 is started, the electric telescopic rod 2 controls the lifting plate 3 to move up and down to be adjusted to a proper position, at the moment, the lifting plate 3 slides up and down along the sliding groove 5 through the sliding block 4 and forms clamping, the limiting frame 8 is balanced through the balance rods 7 at two sides of the supporting block 6, at the moment, the jack 9 is started to jack up the bridge upwards, and the balance effect is realized;

an elastic structure is formed between the two rotating rods 13 through buffer springs 14, the rotating rods 13 form a rotating structure with the telescopic blocks 12 through the running wheels 15, and the running wheels 15 form a sliding structure with the frame body 1 through the rotating rods 13;

according to fig. 1 and 5, this bridge maintenance jacking reaction frame, control electric telescopic handle 2 decline earlier after the maintenance, electric telescopic handle 2 decline in-process bridge probably can transmit reaction force for jack 9 upper end, jack 9 upper end atress pushes down can lead to the internal parts to damage, telescopic piece 12 downwardly moving this moment, and telescopic piece 12 lower extreme can retract inside the upper end, telescopic piece 12's lower extreme pushes down dwang 13, dwang 13 rotates and makes running wheel 15 slide along support body 1 lower extreme, become rolling friction with the power of decline, and extension buffer spring 14 has realized the effect of protection inner structure.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides a bridge maintenance jacking reaction frame, includes support body (1), electric telescopic handle (2), lifter plate (3), sliding block (4), sliding tray (5), jack (9) and flexible piece (12), its characterized in that: the lifting device is characterized in that an electric telescopic rod (2) is fixedly arranged at the inner part of the lower end of the frame body (1), a lifting plate (3) is fixedly arranged at the upper end of the electric telescopic rod (2), sliding blocks (4) are fixedly arranged at the two sides of the lifting plate (3), the outer sides of the sliding blocks (4) are in contact with sliding grooves (5), the sliding grooves (5) are formed in the inner walls of the two sides of the frame body (1), a supporting block (6) is fixedly arranged at the upper end of the lifting plate (3), a limiting frame (8) is fixedly arranged at the upper end of the supporting block (6), a jack (9) is fixedly arranged at the upper end of the inner part of the limiting frame (8), a limiting spring (10) is fixedly arranged at the inner wall of the limiting frame (8), and a squeezing plate (11) is fixedly arranged at the inner side of the limiting spring (10);

the lifting device is characterized in that a telescopic block (12) is fixedly arranged at the lower end of the lifting plate (3), a rotating rod (13) is rotatably arranged at the lower end of the telescopic block (12), a buffer spring (14) is fixedly arranged at the middle end of the rotating rod (13), a running wheel (15) is rotatably arranged at the lower end of the rotating rod (13), and the lower end of the running wheel (15) is in contact with the bottom of the frame body (1).

2. The bridge maintenance jacking reaction frame according to claim 1, wherein: the frame body (1) forms a lifting structure with the lifting plate (3) through the electric telescopic rods (2), and the number of the electric telescopic rods (2) is two.

3. The bridge maintenance jacking reaction frame according to claim 1, wherein: the lifting plate (3) and the frame body (1) form a sliding structure through the sliding block (4), and the sliding block (4) and the frame body (1) form a clamping structure through the sliding groove (5).

4. The bridge maintenance jacking reaction frame according to claim 1, wherein: balance bars (7) are fixedly arranged on the left side and the right side of the supporting block (6), and the upper ends of the balance bars (7) are fixedly arranged at the bottoms of the left side and the right side of the limiting frame (8).

5. The bridge maintenance jacking reaction frame according to claim 1, wherein: the upper end of the extrusion plate (11) is inclined, the extrusion plate (11) and the limiting frame (8) form an elastic structure through the limiting spring (10), and the extrusion plate (11) and the jack (9) form a clamping structure through the limiting spring (10).

6. The bridge maintenance jacking reaction frame according to claim 1, wherein: an elastic structure is formed between the two rotating rods (13) through buffer springs (14), the rotating rods (13) and the telescopic blocks (12) form a rotating structure through running wheels (15), and the running wheels (15) and the frame body (1) form a sliding structure through the rotating rods (13).