CN110761204A - Bridge pier reinforcing equipment special for bridge supporting structure construction and construction process thereof - Google Patents

Abstract

The invention discloses special pier reinforcing equipment for building a bridge supporting structure and a construction process thereof, and particularly relates to equipment which drives a threaded sleeve to move slowly by utilizing a lead screw, drives a gear and a cam to rotate while moving, drives a drill rod to impact in a reciprocating manner by virtue of a pressure spring by virtue of the rotating cam, gradually and automatically increases the depth while impacting, has the function of automatically increasing the impact stroke, and a process thereof during construction, and effectively solves the problems of high working difficulty and high labor intensity of the conventional wall chiseling device. The walking mechanism comprises a servo motor arranged on the support columns through flanges, a lead screw connected with the output end of the servo motor and arranged on the support columns on two sides through bearings, and a screw thread connected to the lead screw; the wall drilling mechanism comprises a cam rotatably arranged below the threaded sleeve, a guide sleeve fixed on the support column, a drill rod sleeved on the guide sleeve in a penetrating manner, and a pressure spring sleeved between the guide sleeve and the drill rod.

Description

Bridge pier reinforcing equipment special for bridge supporting structure construction and construction process thereof

Technical Field

The invention relates to the field of buildings, in particular to special bridge pier reinforcing equipment for building a bridge supporting structure and a construction process thereof.

Background

The bearing capacity of the pier needs to be detected after the pier is used for a certain time, and the pier needs to be reinforced after the bearing capacity of the pier is weakened, so that safety is guaranteed.

In the process of reinforcing the pier, certain steel bars need to be inserted into the circumference of the pier at the same height, then a plurality of annular steel bar meshes are welded on the steel bars, finally concrete is poured on the steel bar meshes, and the overall stability and the compressive resistance are improved through the steel bar meshes.

Most of the existing pier reinforcing punching holes are punched manually, reinforcing steel bars are inserted into holes, the punching machine is held manually to control the depth, and the working difficulty and the labor intensity are high.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides special pier reinforcing equipment for building a bridge supporting structure and a construction process thereof.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a special pier reinforcing device for building a bridge supporting structure comprises a supporting plate, supporting columns fixed above two sides of the supporting plate, a travelling mechanism arranged between the supporting columns on the two sides and a wall chiseling mechanism connected with the travelling mechanism, wherein the travelling mechanism comprises a servo motor arranged on the supporting columns through flanges, a lead screw connected with the output end of the servo motor and arranged on the supporting columns on the two sides through bearings, and a screw thread connected to the lead screw, a gear is rotatably connected above a threaded sleeve and meshed with a toothed plate, and the toothed plate is fixedly connected with the upper ends of the supporting columns on the two sides; the wall drilling mechanism comprises a cam rotatably arranged below the threaded sleeve, a guide sleeve fixed on the support column, a drill rod sleeved on the guide sleeve in a penetrating manner, and a pressure spring sleeved between the guide sleeve and the drill rod.

As a further scheme of the invention: the drill rod is provided with a rotating wheel which is attached to the edge of the cam in a rotating mode at the end, close to one end of the cam, of the drill rod, and a sharp portion is arranged at one end, opposite to the cam, of the drill rod.

As a still further scheme of the invention: the lifting mechanism comprises a sleeve plate fixed at one end of the supporting plate opposite to the guide sleeve, a guide plate sleeved on the sleeve plate in a sliding mode, a bottom plate fixedly connected with the guide plate through reinforcing ribs, and a telescopic assembly arranged between the bottom plate and the supporting plate.

As a still further scheme of the invention: the telescopic assembly comprises an air cylinder hinged on the bottom plate and a piston rod connected to the upper portion of the air cylinder in a sliding mode, wherein the upper end of the piston rod is hinged with the supporting plate.

As a still further scheme of the invention: all the four corners below the bottom plate are rotated and are provided with the removal wheel, and have seted up the locking hole on removing the wheel.

As a still further scheme of the invention: the gear is connected with the cam through a transmission piece, one end, close to the cam, of the drill rod is provided with a protrusion, one end of the pressure spring is abutted to the protrusion at the end part of the drill rod, and the other end of the pressure spring is abutted to the end part of the guide sleeve.

A bridge pier reinforcing device special for bridge supporting structure construction and a construction process thereof comprise the following steps:

drawing fixed points, drawing lines on equal-height circumferences of piers according to the supporting stress of the piers, then equally dividing the outer diameter circumference of the piers according to the point distribution requirement, vertically drawing the lines on each divided point, wherein the intersection point of the vertical line and the circumferential line is a punching point;

secondly, moving the machine to align, moving the equipment to the outer circle of the pier, adjusting the height of the drill rod to enable the height of the drill rod to be equal to the height of the lowest circle of circumferential line and align to the punching point, and meanwhile installing a fixed bolt in a locking hole in a movable wheel;

step three, starting the punching hole, opening a switch to enable a servo motor to be switched on to work, enabling the drill rod to impact the surface of the pier in a reciprocating mode, reversely pressing the switch to withdraw the drill rod after the required depth is achieved, and constructing punching points on the circumferential line one by one;

and step four, lifting the height, pumping high-pressure gas into the cylinder through the air pump after all the punching points on the circumference are constructed, driving the supporting plate and the drill rod to move upwards, closing the air pump after the drill rod moves upwards to the upper circumference, and repeating the operation of the step three.

After adopting the structure, compared with the prior art, the invention has the following advantages: this equipment passes through the lead screw and drives swivel nut slow movement, it rotates under the fixed pinion rack effect to drive the gear in the removal, the gear drives the cam through the driving medium again and rotates, pivoted cam is with the help of pressure spring drive drill rod reciprocating impact, and increase the degree of depth gradually and automatically in the impact, the function of stroke is strikeed to the automatic increase has, in addition, telescopic machanism has been set up between layer board and bottom plate, utilize telescopic machanism to stretch out and draw back and drive the part that mainly plays the impact and move up along the baffle, height-adjusting, can chisel the wall to the height of difference on the pier.

Drawings

Fig. 1 is a schematic structural view of a special pier reinforcing device for building a bridge supporting structure.

Fig. 2 is a left side view of a gear, a cam and a threaded sleeve in the special pier reinforcing device for building the bridge supporting structure.

Fig. 3 is a schematic structural view of a drill rod, a guide sleeve and a pressure spring in special pier reinforcing equipment for building a bridge supporting structure.

In the figure: 1-a supporting plate; 2-a bottom plate; 3, a guide plate; 4-sheathing; 5-a support column; 6-toothed plate; 7-a servo motor; 8-a lead screw; 9-thread sleeve; 10-a gear; 11-a transmission member; 12-a cam; 13-a drill rod; 14-a pressure spring; 15-a guide sleeve; 16-a wheel; 17-a piston rod; 18-a cylinder; 19-moving wheels.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a special pier reinforcing apparatus for constructing a bridge supporting structure includes a supporting plate 1, supporting columns 5 fixed above two sides of the supporting plate 1, a traveling mechanism installed between the supporting columns 5 on the two sides, and a wall chiseling mechanism connected to the traveling mechanism;

specifically, the walking mechanism comprises a servo motor 7 arranged on the support columns 5 through flanges, a lead screw 8 connected with the output end of the servo motor 5 and arranged on the support columns 5 at two sides through bearings, and a screw thread connected on the lead screw 5, wherein, a gear 10 is rotatably connected above the threaded sleeve 9, the gear 10 is meshed with a toothed plate 6, the toothed plate 6 is fixedly connected with the upper ends of the supporting columns 5 at two sides, when the servo motor 7 is powered on to work and then drives the screw rod 8 to rotate, the screw rod 8 drives the threaded sleeve 9 to move transversely under the constraint of the gear 10 and the toothed plate 6, and it should be noted here that, when the screw rod 8 rotates, the screw sleeve 9 is driven to rotate, but the screw sleeve 9 cannot rotate under the constraint of the gear 10 and the toothed plate 6, so that the screw sleeve 9 can only move transversely, because the speed of the thread transmission movement is extremely slow, the rotating lead screw 8 drives the screw sleeve 9 to slowly and transversely move.

Further, the wall drilling mechanism comprises a cam 12 rotatably arranged below the threaded sleeve 9, a guide sleeve 15 fixed on the support column 5, a drill rod 13 sleeved on the guide sleeve 15, and a pressure spring 15 sleeved between the guide sleeve 15 and the drill rod 13, wherein, the gear 10 is connected with the cam 12 through the transmission piece 11, one end of the drill rod 13 close to the cam 12 is provided with a bulge, one end of the pressure spring 14 is connected with the bulge at the end part of the drill rod 13, the other end is connected with the end part of the guide sleeve 15, it should be noted that the axis of the drill rod 13 and the rotation center of the cam 12 are positioned on the same horizontal line, in the process that the threaded sleeve 9 drives the gear 10 to walk, the gear 10 is driven to rotate under the action of the fixed toothed plate 6, the gear 10 drives the cam 12 to rotate rapidly through the transmission piece 11, and the cam 12 drives the drill rod 13 to do reciprocating impact motion along the guide sleeve 15 under the action of the pressure spring 14, so that the function of punching the surface of the pier is achieved.

In addition, it should be noted that the transmission ratio between the gear 10 and the cam 12 connected by the transmission piece 11 is greater than 1:1, and one end of the drill rod 13 opposite to the cam 12 is provided with a sharp part; in order to reduce the abrasion between the drill rod 13 and the cam 12, a rotating wheel 16 which is attached to the edge of the cam 12 is rotatably arranged at the end of the drill rod 13 close to one end of the cam 12, and the mechanical abrasion between the drill rod 13 and the cam 12 is reduced by using the rotating wheel 16.

Example 2

In order to further optimize the special pier reinforcing equipment for building the bridge supporting structure, in another embodiment of the invention, the special pier reinforcing equipment for building the bridge supporting structure further comprises a lifting mechanism, the lifting mechanism comprises a sleeve plate 4 fixed at one end of the supporting plate 1 opposite to the guide sleeve 15, a guide plate 3 sleeved on the sleeve plate 4 in a sliding mode, a bottom plate 2 fixedly connected with the guide plate 3 through a reinforcing rib 3, and a telescopic assembly arranged between the bottom plate 2 and the supporting plate 1, the supporting plate 1 and the sleeve plate 4 are driven to move upwards along the guide plate 3 through the telescopic assembly in a telescopic mode, the height of the drill rod 13 is further adjusted, and holes can be punched at different high positions of the pier according to requirements.

Still further, flexible subassembly is including articulating cylinder 18 and the piston rod 17 of sliding connection on cylinder 18 upper portion on bottom plate 2, wherein, piston rod 17's upper end is articulated with layer board 1, for the convenience of removing whole equipment, bottom plate 2's below four corners is all rotated and is provided with and is removed wheel 9, and has seted up the locking hole on removing wheel 9, and it is flexible to utilize the atmospheric pressure change in the cylinder 18 to drive piston rod 17, and then drives layer board 1 and go up and down along baffle 3, and simultaneously, with the help of removing the removal of wheel 19 whole equipment of being convenient for, after removing the assigned position, lock the locking hole through the bolt and die to removing wheel 19 restraint, prevent to step down at the punching process.

Example 3

In order to disclose a specific application process of the equipment involved in the invention in the construction process of the construction project, in another embodiment of the invention, the special bridge pier reinforcing equipment for constructing the bridge supporting structure and the construction process thereof comprise the following steps:

drawing fixed points, drawing lines on the equal-height circumference of the bridge pier according to the supporting stress of the bridge pier, so that a plurality of circular lines are arranged on the bridge pier, then equally dividing the outer diameter circumference of the bridge pier according to the point distribution requirement, vertically drawing lines on each dividing point, wherein the intersection point of the vertical line and the circular line is a punching point;

secondly, moving the machine for alignment, moving the equipment to the outer circle of the pier, adjusting the height of the drill rod to enable the height of the drill rod to be equal to the lowest circle of circumference and to be aligned to the punching point, and meanwhile, installing a fixed bolt in a locking hole on a movable wheel to lock the movable wheel, so as to prevent the drill rod from moving in the punching process;

step three, starting punching, turning on a switch to enable a servo motor to be switched on to work, driving a screw sleeve moving machine cam to transversely and slowly move by a lead screw, simultaneously rotating the cam, driving a drill rod to reciprocally impact the surface of the pier under the action of a pressure spring by the cam which transversely moves and rotates at the same time, gradually increasing the impact depth, reversely pressing the switch after the required depth is reached, enabling the lead screw to reversely rotate and withdraw from the drill rod, and thus reciprocally constructing punching points on the circumferential line one by one;

and fourthly, lifting the height, pumping high-pressure gas into the cylinder through the air pump after all punching points on a certain circumferential line are constructed, driving the piston rod to stretch through air pressure, further driving the supporting plate and the drill rod to move upwards, closing the air pump after the drill rod moves upwards to the upper circumferential line, and repeating the operation of the third step.

From the above detailed description of the embodiments, it is easy to understand that the working principle of the present invention is: when the servo motor 7 is powered on to work, the lead screw 8 is driven to rotate, the lead screw 8 drives the threaded sleeve 9 to move transversely under the constraint of the gear 10 and the toothed plate 6, it should be noted here that when the lead screw 8 rotates, the threaded sleeve 9 tends to rotate, but the threaded sleeve 9 cannot rotate under the constraint of the gear 10 and the toothed plate 6, therefore, the threaded sleeve 9 can only move transversely, because the speed of the thread transmission movement is extremely slow, the rotating lead screw 8 drives the threaded sleeve 9 to move slowly and transversely, in the process that the threaded sleeve 9 drives the gear 10 to move, the gear 10 is driven to rotate by the fixed toothed plate 6, the gear 10 drives the cam 12 to rotate rapidly through the transmission part 11, the cam 12 drives the drill rod 13 to do reciprocating impact motion along the guide sleeve 15 under the action of the pressure spring 14, so as to perform the function of punching a hole on the surface of the pier, and the mechanical abrasion between the drill rod 13 and the cam 12 is reduced by the rotating, the flexible drive layer board 1 that drives of flexible subassembly and lagging 4 upward move along baffle 3, and then adjust the height of drill rod 13, can punch a hole in the position of the different eminences of pier as required, it is flexible to utilize the atmospheric pressure change in the cylinder 18 to drive piston rod 17, and then drive layer board 1 and go up and down along baffle 3, and simultaneously, with the help of removing the removal of wheel 19 whole equipment of being convenient for, after removing the assigned position, lock the hole lock through the bolt, thereby to removing wheel 19 restraint, prevent to step down at the in-process that punches a hole.

It should be noted that, servo motor is prior art's application in this application, utilize the lead screw to drive swivel nut slow movement, it rotates under the fixed pinion rack effect to drive the gear in the removal, the gear drives the cam through the driving medium again and rotates, pivoted cam drives the reciprocating impact of drill rod with the help of the pressure spring, and in the impact gradually automatic increase the degree of depth, the function of automatic increase stroke of strikeing has, in addition, telescopic machanism has been set up between layer board and bottom plate, utilize telescopic machanism to stretch out and draw back and drive mainly play the part of assaulting and move up along the baffle, height-adjusting, can carry out the innovation point that the wall is chiseled for this application to the height of difference on the pier, it has effectively solved current chisel wall device and needs the manual work to hold and control the depth, the work degree.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims (7)

1. The special bridge pier reinforcing equipment for building the bridge supporting structure comprises a supporting plate (1), supporting columns (5) fixed above two sides of the supporting plate (1), a travelling mechanism installed between the supporting columns (5) on the two sides and a wall chiseling mechanism connected with the travelling mechanism, and is characterized in that the travelling mechanism comprises a servo motor (7) installed on the supporting columns (5) through flanges, a lead screw (8) connected with the output end of the servo motor (5) and installed on the supporting columns (5) on the two sides through bearings, and a gear (10) in threaded connection with the lead screw (5), wherein the gear (10) is rotatably connected above a threaded sleeve (9), the gear (10) is meshed with a toothed plate (6), and the toothed plate (6) is fixedly connected with the upper ends of the supporting columns (5); the wall chiseling mechanism comprises a cam (12) rotatably arranged below the threaded sleeve (9), a guide sleeve (15) fixed on the support column (5), a drill rod (13) sleeved on the guide sleeve (15) in a penetrating mode, and a pressure spring (15) sleeved between the guide sleeve (15) and the drill rod (13).

2. The pier strengthening device special for building the bridge supporting structure according to claim 1, wherein a rotating wheel (16) attached to the edge of the cam (12) is rotatably arranged at the end of the drill rod (13) close to one end of the cam (12), and a sharp part is arranged at one end of the drill rod (13) opposite to the cam (12).

3. The special pier reinforcing equipment for building the bridge supporting structure according to claim 1, further comprising a lifting mechanism, wherein the lifting mechanism comprises a sleeve plate (4) fixed at one end of the supporting plate (1) opposite to the guide sleeve (15), a guide plate (3) sleeved on the sleeve plate (4) in a sliding manner, a bottom plate (2) fixedly connected with the guide plate (3) through a reinforcing rib (3), and a telescopic assembly arranged between the bottom plate (2) and the supporting plate (1).

4. The special pier reinforcement device for building the bridge supporting structure according to claim 3, wherein the telescopic assembly comprises a cylinder (18) hinged on the bottom plate (2) and a piston rod (17) connected to the upper part of the cylinder (18) in a sliding manner, and the upper end of the piston rod (17) is hinged with the supporting plate (1).

5. The special pier reinforcing equipment for building the bridge supporting structure according to claim 3, wherein the bottom plate (2) is provided with moving wheels (9) at four corners below the bottom plate in a rotating manner, and locking holes are formed in the moving wheels (9).

6. The special pier strengthening device for building the bridge supporting structure according to claim 1, wherein the gear (10) is connected with the cam (12) through a transmission piece (11), one end of the drill rod (13) close to the cam (12) is provided with a protrusion, one end of the pressure spring (14) is abutted against the protrusion at the end part of the drill rod (13), and the other end of the pressure spring is abutted against the end part of the guide sleeve (15).

7. The special pier reinforcing equipment for building the bridge supporting structure and the construction process thereof according to any one of claims 1 to 6, wherein the special pier reinforcing equipment comprises the following steps:

drawing fixed points, drawing lines on equal-height circumferences of piers according to the supporting stress of the piers, then equally dividing the outer diameter circumference of the piers according to the point distribution requirement, vertically drawing the lines on each divided point, wherein the intersection point of the vertical line and the circumferential line is a punching point;

secondly, moving the machine to align, moving the equipment to the outer circle of the pier, adjusting the height of the drill rod to enable the height of the drill rod to be equal to the height of the lowest circle of circumferential line and align to the punching point, and meanwhile installing a fixed bolt in a locking hole in a movable wheel;

step three, starting the punching hole, opening a switch to enable a servo motor to be switched on to work, enabling the drill rod to impact the surface of the pier in a reciprocating mode, reversely pressing the switch to withdraw the drill rod after the required depth is achieved, and constructing punching points on the circumferential line one by one;

and step four, lifting the height, pumping high-pressure gas into the cylinder through the air pump after all the punching points on the circumference are constructed, driving the supporting plate and the drill rod to move upwards, closing the air pump after the drill rod moves upwards to the upper circumference, and repeating the operation of the step three.

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