阅读说明：本技术 一种建筑地基水泥梁局部修补设备 (Local repair equipment for cement beam of building foundation ) 是由 刘保安 于 2020-08-05 设计创作，主要内容包括：本发明公开了一种建筑地基水泥梁局部修补设备,包括机体,所述机体内设有内设有开口向左且开口向下的移动腔,所述机体内左端设有将所述机体固定在水泥梁上的自动定位夹紧机构,所述移动腔内设有感应填补状态的填充饱满度感应机构,所述机体的上侧还设有对水泥梁缺口进行填充水泥的填充水泥供给机构,该设备可对地基的水泥梁的棱角缺口进行填补,工作时能自动固定在水泥梁上并与缺口处进行平整接触,以保证填补后的水泥棱角具有较高的平整性,工作时能自动填充水泥且能感应水泥填充的状态,当填充完毕后能自动停止继续向缺口内填充水泥且将填充好的缺口进行自动抹平,不仅具有较高的工作效率而且具有较高的填充标准。(The invention discloses a local repairing device for a cement beam of a building foundation, which comprises a machine body, wherein a moving cavity with a left opening and a downward opening is arranged in the machine body, the left end in the machine body is provided with an automatic positioning and clamping mechanism for fixing the machine body on the cement beam, a filling fullness sensing mechanism for sensing a filling state is arranged in the moving cavity, the upper side of the machine body is also provided with a filling cement supply mechanism for filling cement into a gap of the cement beam, the device can fill the gap of the cement beam of the foundation, can be automatically fixed on the cement beam and smoothly contacts with the gap during operation so as to ensure that the filled cement edge has higher flatness, can automatically fill cement and sense the filling state of the cement during operation, can automatically stop continuously filling the gap with cement and automatically trowel the filled gap after filling is finished, not only has higher work efficiency but also has higher filling standard.)

1. The utility model provides a local repair equipment of building foundation cement roof beam, includes the organism, its characterized in that: a moving cavity with a left opening and a downward opening is arranged in the machine body, an automatic positioning and clamping mechanism for fixing the machine body on the cement beam is arranged at the left end in the machine body, a filling fullness sensing mechanism for sensing a filling state is arranged in the moving cavity, and a filling cement supply mechanism for filling cement into a gap of the cement beam is further arranged on the upper side of the machine body;

the filling saturation sensing mechanism comprises two sliding plate cavities which are positioned in a left inner wall at the upper end of the moving cavity and a lower inner wall at the lower end of the moving cavity and communicated with the moving cavity, a sliding plate capable of moving back and forth in the sliding plate cavity is respectively arranged in the two sliding plate cavities, a right end face of the sliding plate at the upper side and an upper end face of the sliding plate at the lower side are fixedly provided with a right-angle plate positioned in the moving cavity, the upper end of the right-angle plate is provided with a lifting cavity with a downward opening, a lifting plate capable of moving up and down is arranged in the lifting cavity, two compression springs are connected between the upper end face of the lifting plate and the upper inner wall of the lifting cavity, a displacement cavity with an upward opening is arranged in the upper inner wall of each compression spring, a rack capable of moving up and down is arranged in the displacement cavity, two extension springs are connected between the lower end face of the rack and the lower inner wall of the, the movable type hydraulic lifting machine is characterized in that a sliding bevel gear with a rightward opening is arranged in the left inner wall of the displacement cavity, a check block capable of moving leftward and rightward is arranged in the sliding bevel gear, an expansion spring is connected between the left end face of the check block and the left inner wall of the sliding bevel gear, the left end face of the check block is connected with one end of a pull rope, an opening cavity with a downward opening is arranged in the upper inner wall of the movement cavity, a transmission cavity is arranged at the left end in the machine body, a motor is arranged in the left inner wall of the transmission cavity, the right end of the motor is in power connection with a transmission shaft, the left end of the transmission shaft rotates on the right inner wall of the opening cavity.

2. The local repairing apparatus for cement beam of building foundation according to claim 1, wherein: the automatic positioning and clamping mechanism comprises a transmission shaft, a transmission cavity is formed in the left end of the transmission shaft, the transmission cavity is internally provided with an elastic cavity, the elastic cavity is internally provided with a rotating rod which penetrates through the elastic cavity, the upper end of the elastic cavity stretches into the inner wall of the transmission cavity, the upper end of the rotating rod is connected with a sliding bevel gear which is located in the transmission cavity through splines, a sliding block cavity with a downward opening is formed in the sliding bevel gear, a sliding block which can slide in the sliding block cavity is arranged in the sliding block cavity, two fixing rods are connected between the lower end face of the sliding block and the lower inner wall of the transmission cavity, and screws are fixedly arranged at the lower end of the.

3. The local repairing apparatus for cement beam of building foundation as claimed in claim 2, wherein: transmission shaft left end friction connection is equipped with and is located the cam of bull stick upside, the fixed rotor plate that is located of being equipped with of bull stick lower extreme elasticity intracavity upper end, the bull stick lower extreme still is equipped with the ability slide on the bull stick and be located the expansion plate of rotor plate downside, under the expansion plate terminal surface with the elasticity intracavity is connected between the inner wall and is equipped with two pressure spring, the bull stick upper end is inclined plane structure and inclined plane towards the place ahead.

4. The local repairing apparatus for cement beam of building foundation according to claim 1, wherein: the filling cement feeding mechanism comprises a fixed block fixed on the upper end surface of the machine body, a driving cavity is arranged at the upper end of the fixed block, a stirring feeding cavity is arranged in the lower inner wall of the right end of the driving cavity, a rotating shaft with the lower end extending into the open cavity is rotated on the upper inner wall of the left end of the driving cavity, a driving belt wheel is arranged at the upper end of the rotating shaft, a driven bevel gear positioned in the open cavity is arranged at the lower end of the rotating shaft, a driving bevel gear positioned in the open cavity and meshed with the driven bevel gear is arranged at the right end of the driving shaft, a driven shaft with the lower end extending into the bottom of the stirring feeding cavity is rotated on the upper inner wall of the right end of the driving cavity, a driven belt positioned in the driving cavity is arranged at the upper end of the driven shaft, a belt is in transmission connection, a charging hole communicated with the external space is formed in the upper inner wall of the right end of the stirring and feeding cavity, and an electromagnetic switch is arranged in the charging hole.

5. The local repairing apparatus for cement beam of building foundation as claimed in claim 4, wherein: the inner wall internal fixation of going up and down of lift chamber right-hand member is equipped with a fixed pipeline that runs through terminal surface about the lifter plate, fixed pipeline up end with it contradicts to remove chamber upper inner wall, be equipped with the lower extreme in the inner wall under the stirring feed chamber with the unloading pipeline of fixed pipeline intercommunication, unloading pipeline upper end is equipped with the baffle chamber, the baffle intracavity is equipped with the baffle that can the side-to-side motion, baffle left end face with be connected with elastic spring between the baffle chamber left side inner wall, baffle left end face is connected with the one end of rope, be equipped with the clamp plate chamber that the opening is backward in the preceding inner wall of removal chamber right-hand member, the clamp plate intracavity is equipped with the clamp plate that can the seesaw, terminal surface before the clamp plate with be connected with elastic spring between the inner wall before the clamp plate chamber, clamp plate left end.

Technical Field

The invention relates to the field of civil engineering, in particular to a local repairing device for a cement beam of a building foundation.

Background

Some buildings are often built in civil engineering, some cement beams are required to be poured on the ground as supporting foundations when the buildings are built, edges and corners of the cement beams are possibly lost due to improper operation and other factors in the pouring process of the cement beams, and then gaps need to be filled.

At the present stage, when the gap of the cement beam is filled, the gap is generally filled manually, the flatness of the filling surface cannot be guaranteed by a manual filling mode, and the filling difficulty angle and efficiency are low.

Disclosure of Invention

The invention aims to solve the technical problem of providing a building foundation cement beam local repairing device, which solves the problems of high gap cement filling difficulty, low efficiency and the like, reduces the gap cement filling difficulty and improves the filling efficiency.

The invention is realized by the following technical scheme.

The local repairing equipment for the cement beam of the building foundation comprises a machine body, wherein a moving cavity with a left opening and a downward opening is arranged in the machine body, an automatic positioning and clamping mechanism for fixing the machine body on the cement beam is arranged at the left end in the machine body, a filling fullness sensing mechanism for sensing a filling state is arranged in the moving cavity, and a filling cement supply mechanism for filling cement into a gap of the cement beam is also arranged at the upper side of the machine body;

the filling saturation sensing mechanism comprises two sliding plate cavities which are positioned in a left inner wall at the upper end of the moving cavity and a lower inner wall at the lower end of the moving cavity and communicated with the moving cavity, a sliding plate capable of moving back and forth in the sliding plate cavity is respectively arranged in the two sliding plate cavities, a right end face of the sliding plate at the upper side and an upper end face of the sliding plate at the lower side are fixedly provided with a right-angle plate positioned in the moving cavity, the upper end of the right-angle plate is provided with a lifting cavity with a downward opening, a lifting plate capable of moving up and down is arranged in the lifting cavity, two compression springs are connected between the upper end face of the lifting plate and the upper inner wall of the lifting cavity, a displacement cavity with an upward opening is arranged in the upper inner wall of each compression spring, a rack capable of moving up and down is arranged in the displacement cavity, two extension springs are connected between the lower end face of the rack and the lower inner wall of the, the movable type hydraulic lifting machine is characterized in that a sliding bevel gear with a rightward opening is arranged in the left inner wall of the displacement cavity, a check block capable of moving leftward and rightward is arranged in the sliding bevel gear, an expansion spring is connected between the left end face of the check block and the left inner wall of the sliding bevel gear, the left end face of the check block is connected with one end of a pull rope, an opening cavity with a downward opening is arranged in the upper inner wall of the movement cavity, a transmission cavity is arranged at the left end in the machine body, a motor is arranged in the left inner wall of the transmission cavity, the right end of the motor is in power connection with a transmission shaft, the left end of the transmission shaft rotates on the right inner wall of the opening cavity.

Further, the automatic positioning and clamping mechanism comprises a fixed bevel gear arranged at the left end of the transmission shaft and located in the transmission cavity, an elastic cavity is arranged in the inner wall of the lower portion of the transmission cavity, a rotating rod penetrating through the upper end of the inner wall of the upper portion of the elastic cavity and extending into the transmission cavity is arranged in the elastic cavity, a sliding bevel gear located in the transmission cavity is connected to the upper end of the rotating rod through a spline, a slider cavity with a downward opening is arranged in the sliding bevel gear, a slider capable of sliding in the slider cavity is arranged in the slider cavity, two fixed rods are connected between the lower end face of the slider and the lower inner wall of the transmission cavity, and screws are fixedly arranged at the lower end of the.

Further, transmission shaft left end frictional connection is equipped with and is located the cam of bull stick upside, the fixed rotor plate that is located of bull stick lower extreme elasticity intracavity upper end, the bull stick lower extreme still is equipped with and can slide on the bull stick and be located the expansion plate of rotor plate downside, under the expansion plate terminal surface with the elasticity intracavity is connected between the inner wall and is equipped with two pressure spring, the bull stick upper end is inclined plane structure and inclined plane towards the place ahead.

Further, the filling cement supply mechanism comprises a fixed block fixed on the upper end surface of the machine body, a driving cavity is arranged at the upper end of the fixed block, a stirring and feeding cavity is arranged in the lower inner wall of the right end of the driving cavity, a rotating shaft with the lower end extending into the open cavity is rotated on the upper inner wall of the left end of the driving cavity, a driving belt wheel is arranged at the upper end of the rotating shaft, a driven bevel gear positioned in the open cavity is arranged at the lower end of the rotating shaft, a driving bevel gear positioned in the open cavity and meshed with the driven bevel gear is arranged at the right end of the driving shaft, a driven shaft with the lower end extending into the bottom of the stirring and feeding cavity is rotated on the upper inner wall of the right end of the driving cavity, a driven belt wheel positioned in the driving cavity is arranged at the upper end of the driven shaft, a belt is in transmission, a charging hole communicated with the external space is formed in the upper inner wall of the right end of the stirring and feeding cavity, and an electromagnetic switch is arranged in the charging hole.

Further, the inner wall of the upper portion of the right end of the lifting cavity is internally fixedly provided with a fixed pipeline penetrating through the upper end face and the lower end face of the lifting plate, the upper end face of the fixed pipeline is abutted against the upper inner wall of the movable cavity, the lower end of the stirring and feeding cavity is internally provided with a blanking pipeline communicated with the fixed pipeline, the upper end of the blanking pipeline is provided with a baffle cavity, a baffle capable of moving left and right is arranged in the baffle cavity, the left end face of the baffle is connected with an elastic spring between the left inner walls of the baffle cavity, the left end face of the baffle is connected with one end of a rope, a pressing plate cavity with a backward opening is arranged in the front inner wall of the right end of the movable cavity, a pressing plate capable of moving back and forth is arranged in the pressing plate cavity, the front end face of the pressing plate is connected with the.

The invention has the beneficial effects that: this equipment can fill the edges and corners breach of the cement roof beam of ground, and the during operation can be automatically fixed on the cement roof beam and level and smooth the contact with breach department to guarantee that the cement edges and corners after filling has higher planarization, the during operation can automatic filling cement and can respond to the state that cement was filled, can automatic shutdown continue to pack cement and will fill good breach and carry out automatic floating to the breach after filling finishes, not only has higher work efficiency but also has higher filling standard.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at D-D in FIG. 4 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-5, the local repairing apparatus for cement beam of building foundation includes a machine body 10, a moving cavity 38 with a left opening and a downward opening is provided in the machine body 10, an automatic positioning and clamping mechanism 71 for fixing the machine body 10 on the cement beam is provided at the left end in the machine body 10, a filling fullness sensing mechanism 70 for sensing a filling state is provided in the moving cavity 38, a filling cement supply mechanism 72 for filling cement into a gap of the cement beam is further provided at the upper side of the machine body 10, the filling fullness sensing mechanism 70 includes two sliding plate cavities 32 located in the left inner wall at the upper end of the moving cavity 38 and the lower inner wall at the lower end of the moving cavity 38 and communicated with the moving cavity 38, a sliding plate 33 capable of moving back and forth in the sliding plate cavity 32 is provided in each of the two sliding plate cavities 32, and the same sliding plate 33 located in the moving cavity 38 is fixed on the right end surface of the sliding plate 33 and the upper end surface of the sliding plate 33 at the upper side A right angle plate 37, a lifting cavity 35 with a downward opening is arranged at the upper end of the right angle plate 37, a lifting plate 34 capable of moving up and down is arranged in the lifting cavity 35, two compression springs 36 are connected between the upper end surface of the lifting plate 34 and the upper inner wall of the lifting cavity 35, a displacement cavity 53 with an upward opening is arranged in the upper inner wall of the compression spring 36, a rack 52 capable of moving up and down is arranged in the displacement cavity 53, two extension springs 54 are connected between the lower end surface of the rack 52 and the lower inner wall of the displacement cavity 53, a connecting rod 55 is fixedly connected between the lower end surface of the rack 52 and the upper inner wall of the lifting plate 34, a sliding bevel gear 59 with a rightward opening is arranged in the left inner wall of the displacement cavity 53, a stop 51 capable of moving left and right is arranged in the sliding bevel gear 59, and a telescopic spring 68 is connected between the left end, the left end face of the stop block 51 is connected with one end of a pull rope 41, an opening cavity 12 with a downward opening is formed in the upper inner wall of the moving cavity 38, a transmission cavity 67 is formed in the left end of the machine body 10, a motor 40 is arranged in the left inner wall of the transmission cavity 67, the right end of the motor 40 is in power connection with a transmission shaft 11, the left end of the transmission shaft is rotated on the right inner wall of the opening cavity 12, a rotating gear 15 located on the upper side of the rack 52 is arranged at the right end of the transmission shaft 11, and the machine body 10 is placed at a position where the.

Beneficially, the automatic positioning and clamping mechanism 71 includes a fixed bevel gear 61 disposed at the left end of the transmission shaft 11 and located in the transmission cavity 67, an elastic cavity 56 is disposed in the lower inner wall of the transmission cavity 67, a rotating rod 62 penetrating through the upper and lower inner walls of the elastic cavity 56 and having an upper end extending into the transmission cavity 67 is disposed in the elastic cavity 56, a sliding bevel gear 59 located in the transmission cavity 67 is connected to an upper end of the rotating rod 62 through a spline, a sliding block cavity 69 having a downward opening is disposed in the sliding bevel gear 59, a sliding block 58 capable of sliding in the sliding block cavity 69 is disposed in the sliding block cavity 69, two fixed rods 57 are connected between the lower end surface of the sliding block 58 and the lower inner wall of the transmission cavity 67, and a screw 66 is fixedly disposed at the lower end of the rotating rod 62.

Beneficially, the left end of the transmission shaft 11 is provided with a cam 60 located on the upper side of the rotating rod 62 in a friction connection manner, the lower end of the rotating rod 62 is fixedly provided with a rotating plate 63 located on the upper end in the elastic cavity 56, the lower end of the rotating rod 62 is further provided with an expansion plate 64 which can slide on the rotating rod 62 and is located on the lower side of the rotating plate 63, two pressure springs 65 are connected between the lower end surface of the expansion plate 64 and the lower inner wall of the elastic cavity 56, and the upper end of the rotating rod 62 is of an inclined plane structure and the inclined plane faces forward.

Advantageously, the filling cement supply mechanism 72 includes a fixed block 26 fixed on the upper end surface of the machine body 10, a driving cavity 18 is provided on the upper end of the fixed block 26, a stirring material supply cavity 20 is provided in the lower inner wall of the right end of the driving cavity 18, a rotating shaft 16 with a lower end extending into the open cavity 12 is rotated on the upper inner wall of the left end of the driving cavity 18, a driving pulley 17 is provided on the upper end of the rotating shaft 16, a driven bevel gear 13 located in the open cavity 12 is provided on the lower end of the rotating shaft 16, a driving bevel gear 14 located in the open cavity 12 and engaged with the driven bevel gear 13 is provided on the right end of the driving shaft 11, a driven shaft 22 with a lower end extending into the inner bottom of the stirring material supply cavity 20 is rotated on the upper inner wall of the right end of the driving cavity 18, a driven pulley 23 located in the driving cavity 18 is provided on the upper end of the driven shaft 22, and a belt, the lower end of the driven shaft 22 is provided with a spiral feeding block 21 positioned in the stirring feeding cavity 20, the upper inner wall of the right end of the stirring feeding cavity 20 is internally provided with a charging hole 24 communicated with the external space, and the charging hole 24 is internally provided with an electromagnetic switch 25.

Advantageously, a fixed pipe 31 penetrating the upper and lower end faces of the lifting plate 34 is fixedly arranged in the upper inner wall of the right end of the lifting cavity 35, the upper end surface of the fixed pipeline 31 is abutted against the upper inner wall of the movable cavity 38, a blanking pipeline 30 with the lower end communicated with the fixed pipeline 31 is arranged in the lower inner wall of the stirring and feeding cavity 20, the upper end of the blanking pipeline 30 is provided with a baffle cavity 27, a baffle 29 capable of moving left and right is arranged in the baffle cavity 27, an elastic spring 28 is connected between the left end surface of the baffle plate 29 and the left inner wall of the baffle plate cavity 27, the left end surface of the baffle 29 is connected with one end of a rope 48, a pressure plate cavity 47 with a backward opening is arranged in the front inner wall at the right end of the moving cavity 38, a pressure plate 45 capable of moving back and forth is arranged in the pressure plate cavity 47, an elastic spring 46 is connected between the front end surface of the pressure plate 45 and the front inner wall of the pressure plate cavity 47, and the left end surface of the pressure plate 45 is connected with the other end of the rope 48.

In an initial state, the lifting plate 34 is located at the lower end of the lifting cavity 35 under the action of the two compression springs 36, the left end face of the rack 52 abuts against the right end of the stop 51 under the tension of the connecting rod 55, the stop 51 is located in the sliding bevel gear 59, the rotating rod 62 is supported by the compression spring 65, the lower end of the screw 66 is flush with the lower end face of the upper end of the machine body 10, the right-angle plate 37 is located at the front end of the moving cavity 38 under the action of the two return springs 44, the pressure plate 45 is under the pressure of the right-angle plate 37, the elastic spring 46 is in a tensioned state, and the baffle 29 is located at the left end of the baffle cavity 27 under the tension of the elastic spring 46 and opens the blanking pipeline 30.

When repairing the cement beam of the foundation, the left end face and the lower end face of the machine body 10 are respectively superposed with the right end face and the upper end face of the cement amount, and the lifting plate 34 is positioned above the gap of the cement beam, the motor 40 is started, the motor 40 works to drive the transmission shaft 11 and the cam 60, the fixed bevel gear 61, the driving bevel gear 14 and the rotating gear 15 on the transmission shaft 11 to rotate, the fixed bevel gear 61 rotates to drive the sliding bevel gear 59 engaged with the fixed bevel gear to rotate, thereby driving the rotating rod 62 and the screw 66 at the lower end of the rotating rod 62 to rotate, the cam 60 rotates to push the rotating rod 62 and the screw 66 to move downwards, the lower end of the screw 66 is butted with the upper end of the cement beam, the lower end of the screw 66 is rotated to enter the cement beam, thereby realizing that the machine body 10 is fixed on the cement beam so as to fill the gap of the cement beam at the later period, the rotating rod 62 and the screw, the rotating rod 62 cannot move downwards continuously, and the cam 60 slips on the transmission shaft 11, so that the machine body 10 is fixed;

when cement is filled, the driving bevel gear 14 rotates to drive the driven bevel gear 13 meshed with the driving bevel gear to rotate, so as to drive the rotating shaft 16 and the driving pulley 17 on the rotating shaft 16 to rotate, so as to drive the driven pulley 23 in transmission connection with the rotating shaft through the belt 19 to rotate, the driven pulley 23 rotates to drive the driven shaft 22 and the spiral feeding block 21 at the lower end of the driven shaft 22 to rotate, the spiral feeding block 21 rotates to stir the cement in the stirring feeding cavity 20 and extrude the cement in the stirring feeding cavity 20 into the discharging pipeline 30, and finally enter the gap of the cement beam through the fixed pipeline 31, so as to fill the gap with cement, after the cement filling of the gap is finished, when the gap is filled with cement, the lifting plate 34 is extruded to move upwards, so as to drive the connecting rod 55 and the rack 52 to move upwards, the rack 52 moves upwards to the upper side of the stopper 51 and the upper end surface is meshed with the rotating gear 15, the stop block 51 loses the block of the left end face of the rack 52 and moves rightwards to the lower side of the rack 52 under the elastic force of the expansion spring 68, the rack 52 cannot move downwards to reset under the block of the stop block 51, the rotary gear 15 rotates to drive the rack 52 meshed with the rotary gear to move backwards, so as to drive the right-angle plate 37 to move backwards, the right-angle plate 37 moves backwards to stop extruding the pressing plate 45, the pressing plate 45 moves forwards under the elastic force of the elastic spring 46 to release the rope 48, the baffle 29 moves rightwards under the elastic force of the elastic spring 28 to close the blanking pipeline 30 after losing the tensile force of the rope 48, so as to stop continuously filling cement, the right-angle plate 37 moves backwards to level the surface of the gap after filling the cement, when the right-angle plate 37 continues to move backwards to extrude the connecting spring 43, the connecting spring 43 moves forwards to squeeze the pull rope 41, the stop block 51 moves leftwards under the action of the pulling force of the pulling rope 41 and moves away from the lower end face of the rack 52, the rack 52 loses the blocking of the stop block 51 and moves downwards under the action of the elastic force of the extension spring 54 to reset, the stop block is disengaged from the rotating gear 15, the starting motor 40 rotates reversely at the moment, so that the screw 66 is driven to rotate reversely through mechanical transmission to leave from the cement beam, the motor 40 is closed, the right-angle plate 37 moves forwards under the action of the elastic force of the return spring 44 to reset, and the filling process of the gap of the cement beam is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.