CN105780671B - Automatic chiseling equipment for the bottom surface of structures - Google Patents

Abstract

The invention discloses automatic chiseling equipment for the bottom surface of a structure, which comprises a chiseling machine and a chiseling machine suspension system, wherein the chiseling machine suspension system comprises a suspension and two parallel guide rails arranged on the bottom surface of the structure, a walking wheel which is matched with the guide rails and can move along the guide rails is arranged in each guide rail, the suspension is arranged below the structure, the chiseling machine is arranged on the suspension, two ends of the suspension are respectively connected with the walking wheels through a group of hoisting assemblies with the same structure, and the automatic chiseling equipment further comprises a driving device for driving the chiseling machine to slide along the guide rails. The invention is particularly suitable for chiseling the concrete area on the bridge bottom plate, and has high chiseling efficiency and good chiseling quality.

Description

Automatic chiseling equipment for the bottom surface of structures

technical field

The invention relates to a chiseling device, in particular to an automatic chiseling device for the bottom surface of a structure.

Background technique

In the field of construction engineering, the maintenance and reinforcement of bridges is an extremely important project, which plays an important role in maintaining the life of bridges. Pasting steel plates on bridge bottom plates is an important task in bridge maintenance and reinforcement. Before pasting steel plates on bridge bottom plates, for To improve the adhesion of new and old concrete surfaces, the concrete surface area where the steel plate is pasted is usually chiseled. In the construction industry, the concrete surface is chiseled. In engineering, chisel machines and milling machines are generally used. Machines and shot blasting machines, but for the treatment of the concrete surface of the bridge floor, the common chisel machines, milling machines and shot blasting machines on the market are no longer suitable. The existing method is to use a hand-held micro chisel machine for chisel processing, but this method is inefficient, and the chisel depth is not ideal, resulting in unsatisfactory chisel effect. The dust in the operation is harmful to the human body and the labor intensity is high. And the labor cost is higher.

This shows that the prior art needs to be further improved and improved.

Contents of the invention

In order to avoid the deficiencies of the prior art, the present invention provides an automatic roughening device for the bottom surface of a structure, which is especially suitable for roughening the concrete in the area where the steel plate is pasted on the bridge bottom plate before bridge maintenance and reinforcement. high.

The technical scheme adopted in the present invention is:

An automatic chisel equipment for the bottom surface of a structure, comprising a chisel machine and a suspension system of the chisel machine, the suspension system of the chisel machine includes a suspension and two mutually parallel guide rails arranged on the bottom surface of the structure, each guide rail is equipped with There is a walking wheel that is compatible with the guide rail and can move along the guide rail. The suspension is set under the structure, and the chisel machine is installed on the suspension. The automatic chisel equipment also includes a driving device that drives the chisel machine to slide along the guide rail.

The driving device includes a traction rope, the traction rope includes a forward traction rope and a backward traction rope, one end of the forward traction rope is wound on the forward rope reel, the other end is connected with the front end of the suspension, and one end of the backward traction rope is wound on the The upper and other ends of the backward rope reel are connected with the rear end of the suspension, and the driving device also includes a driving mechanism for driving the forward rope reel to rotate and driving the backward rope reel to rotate.

The driving mechanism includes a driving part and a main transmission shaft connected to the driving part. A slip gear is sleeved on the main transmission shaft. A forward transmission shaft and a backward transmission shaft are respectively arranged on both sides of the main transmission shaft. Fixed gears matching the sliding gears are respectively arranged on the transmission shaft.

The driving part is a driving motor or a hand wheel, a speed reducer is arranged between the driving motor and the main transmission shaft, and the forward rope reel, the backward rope reel, the forward transmission shaft, the backward transmission shaft, the sliding gear and the fixed gear They are all arranged in a housing, and the housing is fixed on the two side walls connected with the bottom surface of the structure through the housing bracket; the driving device also includes a steering mechanism, and the steering mechanism includes a first fixed pulley, a second fixed pulley and a third fixed pulley. The fixed pulley, the first fixed pulley and the second fixed pulley are respectively installed on the outside of the housing, the third fixed pulley is fixed on the two side walls connected to the bottom surface of the structure through the pulley bracket, and the forward traction rope is stretched or stretched through the forward rope reel. After tightening, it goes around the first fixed pulley and connects with the front end of the suspension. After the retraction traction rope is stretched or tightened by the retreat rope reel, it goes around the second fixed pulley, the third fixed pulley and connects with the rear end of the suspension. connected.

Each of the guide rails is installed on the bottom surface of the structure in a segmented installation manner.

Each of the hoisting components includes a suspension rod and an anti-loosening hook, the top of the suspension rod is connected with the traveling wheel, the bottom end of the suspension rod is connected with the top of the anti-loosening hook, and the bottom end of the anti-loosening hook is connected with the suspension.

The distance between the suspension and the bottom surface of the structure is adjustable.

The mounting position of the chisel on the suspension is adjustable.

The suspension rod is connected with the anti-loosening hook through a damping spring.

The automatic chisel equipment also includes an air pump for providing working power for the chisel machine, and the air pump is installed at a vacant position on the bottom surface of the structure.

The invention also discloses a method for automatically chiseling the bottom surface of a structure, the method comprising the following steps:

Step 1. Drill holes on the bottom surface of the structure and install the internal expansion bolts. The installation position of the internal expansion bolts corresponds to the installation hole of the paste that needs to be pasted during the maintenance of the bottom surface of the structure;

Step 2. Temporarily borrow the above-mentioned internal expansion bolts on the bottom surface of the structure to fix two parallel guide rails, and the guide rails are installed in sections in the length direction;

Step 3, remove the threaded end of the internal expansion bolt located in the area to be chiseled, that is, remove the part of the internal expansion bolt exposed outside the bottom surface of the structure to facilitate chiseling;

Step 4: Use the automatic chiseling equipment described above to chisel the bottom surface of the structure, and the chisel machine moves back and forth along the guide rail under the drive of the forward and backward traction ropes until the desired chisel effect on the bottom surface of the structure is achieved .

Owing to adopting above-mentioned technical scheme, the beneficial effect that the present invention obtains is:

1. The present invention is especially suitable for chiseling the concrete in the area where the steel plate is pasted before the steel plate is pasted during the maintenance of the bridge floor, which solves the problem that the existing chisel machine cannot chisel the bridge floor, and the automatic chisel in the present invention The equipment is easy to install and the cost is low. After the installation is completed, it is only necessary to manually turn on the switch of the air pump and the drive motor to perform automatic chiseling. The operation is convenient and the work is safe. Shift the position of the gear, and then change the moving direction of the chisel machine until the ideal chisel effect is achieved; the chisel area chiseled out by the present invention is characterized by narrower width, longer length, and good chisel quality.

2. When pasting steel plates on the bridge bottom plate in the field, especially in the absence of power supply equipment, the automatic chiseling equipment in the present invention can still complete the chiseling work. The chiseling power of the chisel machine is provided by the air pump, and the power of the air pump The working power is provided by a gasoline engine or a diesel engine, and the forward or backward power of the chisel machine can be realized by manually turning the handwheel, which has good applicability, cost saving and convenient portability.

3. After the chiseling is completed, the guide rail fixed on the bottom surface of the structure is removed, and the guide rail is fixed on the chiseled area through the inner expansion bolt. Because the threaded end of the inner expansion bolt is removable, the unchiseled One end of the inner expansion bolt in the area is taken out, and the area where the guide rail was originally installed is chiseled. In this way, the chiseling task of the area that needs to be chiseled on the bottom surface of a structure can be completed by disassembling and assembling the guide rail twice, and the work efficiency is greatly improved. The chiseling effect is good, and the labor cost is significantly reduced.

Description of drawings

Figure 1 is an axonometric view of the present invention.

Fig. 2 is a schematic diagram of the assembly of the chisel machine and the suspension in the present invention.

Fig. 3 is a schematic diagram of assembly of the chisel, the suspension and the bridge floor in the present invention.

Fig. 4 is a structural schematic diagram of the driving mechanism in the present invention.

in,

1. Bridge floor 2, guide rail 3, internal expansion bolt 4, chisel machine 5, chisel machine suspension system 51, suspension frame 52, anti-loosening hook 53, boom 54, damping spring 6, drive device 61, drive motor 62. Reducer 63, main drive shaft 64, slip gear 65, forward rope reel 66, forward drive shaft 67, fixed gear 68, backward drive shaft 69, backward rope reel 610, forward traction rope 611, backward traction rope 612, the first fixed pulley 613, the second fixed pulley 614, the third fixed pulley 7, the air pump 8, the L-shaped positioning plate 9, the positioning bolt 10, the L-shaped frame plate 11, the lifting lug 12, the traveling wheel

detailed description

Taking the maintenance and strengthening of the bridge floor as an example below, the present invention will be further described in detail in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in Fig. 1 to Fig. 4, a kind of automatic chiseling equipment that is used for bridge floor, comprises chisel machine 4 and chisel suspension system 5, and chisel suspension system 5 comprises suspension 51 and is arranged on bridge floor 1 There are two parallel guide rails 2 on the top, the area between the two guide rails 2 is the area that needs to be chiseled and cleaned, the chisel machine 4 is located between the two guide rails 2, and each guide rail 2 is equipped with a The walking wheel 12 that is compatible with the guide rail 2 and can move along the guide rail 2, the suspension 51 is arranged on the bottom of the bridge floor 1, the hair cutting machine 2 is installed on the suspension 51, and the two ends of the suspension 51 pass through a group of structures respectively. The same hoisting assembly links to each other with the walking wheel 12, and each of the hoisting assemblies includes a suspension rod 53 and an anti-loosening hook 52. The top of the loose hook 52 is connected, and the bottom of the anti-loose hook 52 is connected with the suspension 51. The setting of the damping spring 54 not only reduces the impact vibration of the chisel machine 4 and the bridge floor 1 in the chisel process, but also ensures the chisel. The distance between the wool machine 4 and the bridge base plate 1; the automatic chisel equipment also includes an air pump 7 for providing working power for the chisel machine 4, and the air pump 7 is installed at a vacant position on the bridge base plate 1.

The automatic chiseling equipment also includes a drive device that drives the chisel machine 4 to slide along the guide rail 2. The drive device includes a traction rope, and the traction rope includes a forward traction rope 610 and a backward traction rope 611. One end of the forward traction rope 610 is wound on On the forward rope reel 65, the other end is connected with the front end of the suspension 51. The front end of the suspension 51 is provided with a lug 11 for fixing the forward traction rope 610, and one end of the backward traction rope 611 is wound on the backward rope reel 69. , the other end links to each other with the rear end of suspension 51, and the rear end of suspension 51 is provided with the lug 11 that is used for fixing backward traction rope 611; 69 rotating driving mechanism, the driving mechanism includes a driving part and a main transmission shaft 63 connected with the driving part, the main transmission shaft 63 is sleeved with a sliding gear 64, and the two sides of the main transmission shaft 63 are respectively provided with forward transmission shafts 66 and the backward transmission shaft 68, the forward transmission shaft 66 and the backward transmission shaft 68 are respectively provided with a fixed gear 67 compatible with the slip gear 64, and the slip gear 64 is driven by the main transmission shaft 63 along the main transmission shaft 63 The movement has thus realized the engagement with the fixed gear 67 on the forward transmission shaft 66 or the fixed gear 67 on the backward transmission shaft 68, and then driven the forward rope reel 65 or the backward rope reel 69 to the forward traction rope 610 or the backward traction rope. The 611 is loosened or tightened.

The driving part is a driving motor 61 or a hand wheel, and a speed reducer 62 is arranged between the driving motor 61 and the main transmission shaft 63. 68. The sliding gear 64 and the fixed gear 67 are all arranged in a housing, and the housing is fixed on the two side walls connected with the bridge floor 1 through the housing bracket; the driving device also includes a steering mechanism, and the steering mechanism includes a first The fixed pulley 612, the second fixed pulley 613 and the third fixed pulley 614, the first fixed pulley 612 and the second fixed pulley 613 are installed on the outside of the housing respectively, and the third fixed pulley 614 is fixed on the bridge bottom plate 1 through the pulley bracket. On both sides of the wall, the forward traction rope 610 is stretched or tightened by the forward rope reel 65, and then bypasses the first fixed pulley 612 and is connected with the lifting lug 11 at the front end of the suspension 51. After the device 69 is stretched or tightened, it walks around the second fixed pulley 613 and the third fixed pulley 614 successively and is connected with the lifting lug 11 at the rear end of the suspension 51.

The distance between the suspension 51 and the bridge floor 1 can be adjusted according to the change of the slope of the bridge floor 1. This adjustment method can be realized by setting the boom 53 as a telescopic boom, or by setting The connection between the anti-loosening hook 52 and the suspension 51 is realized. For example, an external thread can be set at the bottom of the anti-loosening hook 52, and an internal thread for installing the anti-loosening hook 52 can be provided on the suspension 51. hole, the anti-loosening hook 52 is extended or shortened by rotation to ensure that the distance between the chisel machine 4 and the bridge base plate 1 is adjustable, thereby ensuring that the chisel machine 4 and the bridge base plate 1 are always in close contact, so that the chisel machine 4. When the slope of the bridge base plate 1 changes, it can still work normally, which ensures the normal operation of the chisel machine 4.

The installation position of the chisel 4 on the suspension 51 is also adjustable, and the specific adjustment method can be realized in the following manner: the suspension 51 is set to a quadrilateral structure surrounded by four L-shaped frame plates 10 , and the bottom end of the chisel 4 is detachably connected to the suspension 51, and the installation position of the chisel 4 on the suspension 51 is adjusted according to the actual situation. For the convenience of the disassembly and assembly of the chisel 4, the design Four L-shaped positioning plates 8, the bottom side of the chisel machine 4 are installed on the two L-shaped frame plates 10 of the suspension 51 through four L-shaped positioning plates 8 and positioning bolts 9, and the chisel can be adjusted in time as required. The installation position of wool machine 4.

Each of the guide rails 2 is mounted on the bridge base plate 1 in a segmented installation mode; in order to improve the cutting efficiency, a plurality of guide rails 2 can be installed on the bridge base plate 1 in advance, and the guide rails 2 are arranged at intervals, and set Multiple chisel machines 4 and chisel suspension systems 5. The middle of the two guide rails 2 is the area to be chiseled. Multiple automatic chisel equipment work simultaneously on the two guide rails 2 in sequence. Multiple chisel machines The power of 4 works can have an air pump 7 to provide, and many chisel machines 4 carry out chisel work simultaneously.

The invention also discloses a method for automatically chiseling the bottom plate of a bridge. The method includes the following steps:

Step 1, drilling holes on the bridge bottom plate 1 and installing the internal expansion bolt 3, the installation position of the internal expansion bolt 3 corresponds to the installation hole of the steel plate that needs to be pasted when the bridge bottom plate is repaired;

Step 2: Temporarily borrow the above-mentioned internal expansion bolts 3 on the bridge floor 1 to fix two parallel guide rails 2, and the guide rails 2 are installed in sections in the length direction;

Step 3, remove the threaded end of the internal expansion bolt 3 located in the area to be chiseled, that is, remove the part of the internal expansion bolt 3 exposed outside the bridge floor 1 to facilitate chiseling;

Step 4, using the above-mentioned automatic chiseling equipment to chisel the bridge bottom plate 1, the chisel machine 4 moves back and forth along the guide rail 2 under the drive of the forward traction rope 610 and the backward traction rope 611, until it reaches the bridge floor 1. Chiseling effect.

The parts not mentioned in the present invention can be realized by adopting or referring to the prior art.

In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (10)

1. A kind of chiseling equipment of bottom surface of structure automatically, it is characterized in that, comprise chisel and chisel suspension system, chisel suspension system comprises suspension and two mutually parallel guide rails that are arranged on structure bottom surface, Each guide rail is equipped with a walking wheel that is compatible with the guide rail and can move along the guide rail. The suspension is set under the structure, and the chisel machine is installed on the suspension. The same hoisting assembly is connected with the traveling wheels, and the automatic chiseling equipment also includes a driving device that drives the chisel machine to slide along the guide rail. 2. The automatic chiseling equipment for the bottom surface of a structure according to claim 1, wherein the driving device comprises a traction rope, and the traction rope comprises a forward traction rope and a backward traction rope, and one end of the forward traction rope is wound on On the forward rope reel, the other end is connected to the front end of the suspension; one end of the backward traction rope is wound on the backward rope reel, and the other end is connected to the rear end of the suspension. The driving device also includes driving the forward rope reel The drive mechanism that rotates and drives the reverse rope reel to rotate. 3. The automatic chiseling equipment for the bottom surface of a structure according to claim 2, wherein the driving mechanism comprises a driving part and a main transmission shaft connected to the driving part, and a sliding gear is sleeved on the main transmission shaft , the two sides of the main transmission shaft are respectively provided with a forward transmission shaft and a backward transmission shaft, and the forward transmission shaft and the backward transmission shaft are respectively provided with fixed gears matched with the sliding gears. 4. The automatic chiseling equipment for the bottom surface of a structure according to claim 3, characterized in that, the driving part is a driving motor or a hand wheel, and a speed reducer is arranged between the driving motor and the main drive shaft, and the advancing The rope reel, the backward rope reel, the forward transmission shaft, the backward transmission shaft, the sliding gear and the fixed gear are all arranged in a housing, and the housing is fixed on the two side walls connected to the bottom surface of the structure through the housing bracket; The driving device also includes a steering mechanism, the steering mechanism includes a first fixed pulley, a second fixed pulley and a third fixed pulley, the first fixed pulley and the second fixed pulley are installed on the outside of the housing respectively, and the third fixed pulley passes through the pulley bracket It is fixed on the two side walls connected to the bottom of the structure. The forward traction rope is stretched or tightened by the forward rope reel, and then bypasses the first fixed pulley and is connected to the front end of the suspension. The backward traction rope is tensioned by the backward rope reel. Or after tightening up, walk around the second fixed pulley and the third fixed pulley successively and link to each other with the rear end of the suspension. 5 . The automatic chiseling equipment for the bottom surface of a structure according to claim 1 , wherein each of the guide rails is installed on the bottom surface of the structure in a segmented installation manner. 6 . 6. The automatic chiseling equipment for the bottom surface of a structure according to claim 1, wherein each of the hoisting components includes a suspender and an anti-loosening hook, the top of the suspender is connected with the traveling wheel, and the bottom of the suspender is The end is connected with the top of the anti-loosening hook, and the bottom end of the anti-loosening hook is connected with the suspension. 7. The automatic chiseling equipment for the bottom surface of a structure according to claim 1, characterized in that the distance between the suspension and the bottom surface of the structure is adjustable. 8. The automatic chiseling equipment for the bottom surface of a structure according to claim 1, characterized in that, the installation position of the chisel machine on the suspension is adjustable. 9. The automatic chiseling device for the bottom surface of a structure according to claim 6, characterized in that, the suspension rod is connected to the anti-loosening hook through a shock-absorbing spring. 10. The automatic chiseling equipment for the bottom surface of a structure according to claim 1, characterized in that, the automatic chisel equipment also includes an air pump for providing working power for the chisel machine, and the air pump is installed on the bottom surface of the structure. vacant position.