CN114633342A - Automatic plastering device for tunnel shield segment concrete - Google Patents

Abstract

The invention provides an automatic plastering device for tunnel shield segment concrete, relates to the technical field of shield segment concrete production, and solves the technical problems of poor manual plastering quality, low efficiency and high labor intensity. The automatic plastering device for the tunnel shield segment concrete comprises a first support frame component, wherein a second support frame component is movably arranged on the first support frame component, a suspension arm assembly is movably arranged on the second support frame component, a third support frame component is arranged on the suspension arm assembly, and an automatic plastering device and a profiling movement device are arranged on the third support frame component. The invention is used for plastering the outer surface of the shield segment, and the channel steel is used for plastering the outer surface of the segment through reciprocating motion, thereby realizing automatic plastering and leveling operation, greatly improving the working efficiency, reducing the labor intensity and having the characteristic of high operation quality.

Description

Automatic plastering device for tunnel shield segment concrete

Technical Field

The invention relates to the technical field of shield segment concrete production, in particular to an automatic plastering device for tunnel shield segment concrete.

Background

The shield segment is a main component of the shield tunnel and bears the pressure and the waterproof performance of a soil layer, and the quality of the segment is directly related to the overall quality and the safety performance of the tunnel. A key step in the manufacture of the precast concrete shield segment is to perform plastering work on the outer surface of the segment, wherein the quality of the plastering work is directly influenced, the appearance quality of the segment is directly influenced, and the impermeability and the durability of the segment are also influenced. At present, this process mainly relies on the manpower to accomplish, and the workman relies on manual push-and-pull instrument repeatedly, removes to the section of jurisdiction surface floating along the cambered surface of mould, and is repeated many times, and is level and smooth until the surface of section of jurisdiction. The working mode can not only ensure the quality of the duct piece, but also has low efficiency and high labor intensity.

Disclosure of Invention

The invention aims to provide an automatic concrete plastering device for a tunnel shield segment, which aims to solve the technical problems of poor manual plastering quality, low efficiency and high labor intensity in the prior art.

In order to realize the purpose, the invention provides the following technical scheme:

the invention provides an automatic concrete plastering device for a tunnel shield segment, which comprises a first support frame assembly, wherein a second support frame assembly is movably arranged on the first support frame assembly, a boom assembly is movably arranged on the second support frame assembly, a third support frame assembly is arranged on the boom assembly, and an automatic plastering device and a profiling movement device are arranged on the third support frame assembly.

As a further improvement of the invention, the first support frame component comprises two bases which are arranged in parallel, two door-shaped frames are erected between the two bases, and two cross beams which are arranged side by side are connected between the two frames; the second support frame assembly is movably arranged on the two cross beams.

As a further improvement of the invention, the second support frame assembly comprises a boom support frame which is movably sleeved outside two cross beams of the first support frame assembly, the boom support frame is also provided with a first driving motor, the first driving motor is in transmission connection with the two cross beams through a first transmission assembly, and the boom support frame can be driven to axially reciprocate along the cross beams.

As a further improvement of the invention, the suspension arm assembly comprises a large arm and a small arm which are coaxially sleeved, and the small arm can extend and contract relative to the large arm; the boom assembly further comprises a second driving motor arranged on the second support frame assembly, and the second driving motor is in transmission connection with the boom through a second transmission assembly and can drive the boom to perform lifting reciprocating movement relative to the second support frame assembly.

As a further improvement of the invention, the third support frame assembly comprises a frame-type mounting frame, the copying motion device is hinged on two sides of the mounting frame and is connected with the automatic plastering device positioned in the mounting frame.

As a further improvement of the invention, the profiling movement device comprises a semicircular supporting leg, a sealing plate is arranged on one side of the supporting leg, roller groups are arranged on two free ends of the supporting leg, a plurality of rollers in the roller groups are arranged in a curved shape, and the axis connecting line is in an arc shape; the upper portion of the sealing plate is hinged to the mounting frame, the sealing plate further comprises a limiting guide post arranged on the lower side of the sealing plate, and a limiting guide groove in the corresponding position of the mounting frame is formed in the limiting guide groove in a sliding penetrating mode.

As a further improvement of the invention, the automatic plastering device comprises a plastering support plate, the plastering support plate is horizontally arranged, and two ends of the plastering support plate are respectively connected with the profiling movement device; the plastering machine also comprises a third driving motor arranged on the plastering support plate, and an optical axis connecting rod which is suspended below the plastering support plate and can axially reciprocate relative to the plastering support plate, wherein a plastering channel steel is suspended below the optical axis connecting rod through a channel steel floating connecting rod assembly; the third driving motor is in transmission connection with the optical axis connecting rod through a third transmission assembly; the pressing wheel support rod assembly is movably arranged on the mounting frame and the plastering support plate in a penetrating mode and pressed on the plastering channel steel; the shrouding bottom corresponds to the groove position of stepping down that the groove channel-section of plastering was passed in and out is provided with the confession, the shrouding outside corresponds to the groove both sides position of stepping down is provided with the leading wheel respectively.

As a further improvement, the floating channel steel connecting rod assembly comprises an optical axis connecting block and a connecting optical axis, the upper part of the optical axis connecting block is sleeved on the optical axis connecting rod, a telescopic blind hole is formed in the bottom of the optical axis connecting block, one end of the connecting optical axis is telescopically arranged in the telescopic blind hole in a penetrating mode, and the other end of the connecting optical axis is connected with the plastering channel steel.

As a further improvement of the invention, the pinch roller support rod assembly comprises a balance weight adjusting frame, a balance weight block, a weight support rod guide block, a weight support rod, a pinch roller support rod guide bearing, a pinch roller support rod and a bearing rubber wheel, wherein the balance weight adjusting frame is fixed at the top of the mounting frame, and the balance weight block is movably clamped in the balance weight adjusting frame and can perform vertical lifting movement; the weight support rod guide block is movably clamped in the counterweight adjusting frame and can transversely move in the horizontal direction; the top of the weight support rod penetrates through the weight support rod guide block and then abuts against the bottom of the balancing weight block, and the lower part of the weight support rod penetrates through the balance weight adjusting frame and then is hinged with the pinch roller support rod; the pinch roller supporting rod guide bearing is sleeved on the outer side of the pinch roller supporting rod, the top of the pinch roller supporting rod guide bearing is connected to the bottom of the plastering supporting plate, the bearing rubber wheel is installed at the bottom of the pinch roller supporting rod, and the bearing rubber wheel is in rolling contact with the plastering channel steel.

As a further improvement of the invention, the counterweight adjusting frame comprises a U-shaped bottom plate, a waist-shaped hole is formed in the bottom plate, limiting plates are respectively arranged at positions corresponding to two sides of a narrow side of the waist-shaped hole, the limiting plates are in an L-shaped structure, a limiting space is formed between each limiting plate and the bottom plate, and the height of the limiting space is equal to or slightly greater than the thickness of the weight supporting rod guide block.

Compared with the prior art, the invention has the following beneficial effects:

the automatic concrete plastering device for the tunnel shield segment provided by the invention replaces manual work to plaster and level the concrete on the surface of a mould, the plastering channel steel is driven by a motor so as to realize the transverse left-right reciprocating motion of the channel steel, the mounting frame moves through the driving device connected with the upper end so as to carry out horizontal and lifting motion, and the profiling motion device moves along the outer arc surface of the mould under the driving of the mounting frame so as to realize the plastering of the outer surface of the whole shield segment, thereby realizing the automatic plastering and leveling operation, greatly improving the working efficiency, reducing the labor intensity and having the characteristic of high operation quality.

Drawings

In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an automatic concrete plastering device for tunnel shield segments according to the present invention;

FIG. 2 is a schematic view of a partial structure of the automatic concrete plastering device for tunnel shield segments of the present invention;

FIG. 3 is a schematic structural diagram of a boom assembly in the automatic concrete plastering device for tunnel shield segments of the present invention;

fig. 4 is a schematic view of a partial explosion structure of the automatic concrete plastering device for the tunnel shield segment of the invention;

fig. 5 is a schematic structural view of an automatic plastering device in the automatic plastering device for tunnel shield segment concrete of the present invention;

fig. 6 is a schematic structural diagram of a profiling movement device in the automatic concrete plastering device for the tunnel shield segment of the invention;

fig. 7 is a schematic structural view of a copying movement device in the automatic concrete plastering device for tunnel shield segments of the invention, which is seen from the other side;

FIG. 8 is a schematic structural view of a pinch roller support rod assembly in the automatic concrete plastering device for tunnel shield segments of the present invention;

fig. 9 is a schematic structural view of a counterweight adjusting frame in the automatic concrete plastering device for tunnel shield segments of the invention;

fig. 10 is an exploded view of a counterweight adjusting bracket in the automatic concrete plastering device for tunnel shield segments of the invention;

fig. 11 is a partial structural schematic view of an automatic plastering device in the automatic plastering device for tunnel shield segment concrete of the present invention;

fig. 12 is a schematic structural view of a plastering channel steel in the automatic plastering device for tunnel shield segment concrete of the present invention;

fig. 13 is an explosion structure schematic diagram of a channel steel floating connecting rod assembly in the automatic concrete plastering device for tunnel shield segments of the invention.

In figure 1, a first support frame assembly; 11. a foundation; 12. a frame; 13. a cross beam; 2. a second support frame assembly; 21. a boom support frame; 22. a first drive motor; 3. a boom assembly; 31. a large arm; 32. a small arm; 33. a second drive motor; 4. a third support frame assembly; 5. an automatic plastering device; 51. plastering a supporting plate; 53. a third drive motor; 54. an optical axis connecting rod; 55. a channel steel floating connecting rod assembly; 551. an optical axis connecting block; 552. connecting the optical axis; 553. the channel steel optical shaft is connected with the sleeve; 56. plastering channel steel; 57. a crankshaft connecting rod mechanism; 58. a pinch roller support rod assembly; 581. a counterweight adjusting frame; 5811. a base plate; 5812. a limiting plate; 582. a balancing weight; 583. a weight support bar guide block; 584. a weight support bar; 585. a pinch roller support rod guide bearing; 586. a pinch roller supporting rod; 587. a bearing rubber wheel; 59. an optical axis guide bearing seat; 6. a profiling motion device; 61. a support leg; 62. closing the plate; 63. a roller set; 64. limiting the guide post; 65. a limiting guide groove; 66. a yielding groove; 67. a guide wheel; 100. and (4) shield segments.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

As shown in fig. 1, the invention provides an automatic concrete plastering device for a tunnel shield segment, which comprises a first support assembly 1, wherein a second support assembly 2 is movably arranged on the first support assembly 1, a boom assembly 3 is movably arranged on the second support assembly 2, a third support assembly 4 is arranged on the boom assembly 3, and an automatic plastering device 5 and a profiling movement device 6 are arranged on the third support assembly 4.

Specifically, the first support frame assembly 1 is used for supporting above a shield segment trolley, so as to perform surface smoothing on the shield segment 100 on the trolley below the first support frame assembly. The second support frame component 2 can follow 1 horizontal migration of first support frame component to the length direction who follows shield section of jurisdiction 100 removes, because the length direction of shield section of jurisdiction 100 is the arc surface, so need automatic floating device 5 and profile modeling telecontrol equipment 6 can carry out the arc and remove, laminates all the time and constructs section of jurisdiction 100 surface in order to guarantee floating effect. The boom assembly 3 is arranged on the second support frame assembly 2, the boom assembly 3 can be driven to move horizontally along with the second support frame assembly 2 when the second support frame assembly moves horizontally, and the third support frame assembly 4 is arranged at the tail end of the boom assembly 3 and moves along with the third support frame assembly so as to drive the automatic plastering device 5 and the profiling movement device 6 to move along the arc-shaped surface of the shield segment 100 in the length direction.

As an optional embodiment of the present invention, the first support frame assembly 1 includes two cement foundations 11 arranged in parallel, the foundations 11 are in a strip structure and are arranged on two sides of the trolley, that is, on two sides of the shield segment 100, two portal frames 12 are erected between the two foundations 11, the two frames 12 are arranged at intervals and both span between the two foundations 11, and two beams 13 arranged side by side are connected between the two frames 12; the second support frame assembly 2 is movably arranged on the two cross beams 13, so that the second support frame assembly 2 can move back and forth relative to the cross beams 13 along the length direction of the cross beams.

As an optional embodiment of the present invention, the second support frame assembly 2 includes a boom support frame 21, the boom support frame 21 is a hollow rectangular sleeve structure, the boom support frame 21 is movably sleeved outside the two cross beams 13 of the first support frame assembly 1, the boom support frame 21 is further provided with a first driving motor 22, the first driving motor 21 is in transmission connection with the two cross beams 13 through a first transmission assembly, and can drive the boom support frame 21 to axially reciprocate along the cross beams 13. It should be noted here that the first transmission assembly may be a rack and pinion structure, a gear is installed on an output shaft of the first driving motor 22, a rack is installed inside the cross beam 13, the gear is engaged with the rack, and when the first driving motor 22 operates, the fixed support frame 21 can move along the cross beam 13; the soldier-adjusting assembly 3 is arranged in the middle of the suspension arm support frame 21 corresponding to the position between the two cross beams 13. Of course, the first transmission assembly may also adopt a lead screw nut structure.

As shown in fig. 3, as an alternative embodiment of the present invention, the boom assembly 3 includes a large arm 31 and a small arm 32 that are coaxially sleeved, the small arm 32 can extend and retract relative to the large arm 31, both the large arm 31 and the small arm 32 can be made of circular tubes, or can be made of hollow square tubes, and in order to ensure the connection strength and stability, the large arm 31 and the small arm 32 made of square tubes are used in an embodiment of the present invention; the big arm 31 is movably arranged on the second support frame assembly 2 in a penetrating mode, the suspension arm assembly 3 further comprises a second driving motor 33 arranged on the second support frame assembly 2, and the second driving motor 33 is in transmission connection with the big arm 31 through a second transmission assembly and can drive the big arm 31 to perform lifting type reciprocating movement relative to the second support frame assembly 2. It should be noted that the second transmission assembly may adopt a rack and pinion or a lead screw nut structure.

As shown in fig. 2, 4 and 5, further, the third support frame assembly 4 comprises a frame-type mounting frame, and the copying exercise device 6 is hinged at both sides of the mounting frame 41 and connected with the automatic plastering device 5 inside the mounting frame.

With the above structure, in use, the third support frame assembly 4 is kept stationary, and the automatic plastering device 5 and the profiling movement device 6 move up and down along with the arc shape of the surface of the shield segment 100.

As shown in fig. 6 and 7, as an alternative embodiment of the present invention, the profiling movement device 6 includes a semicircular supporting leg 61, a sealing plate 62 is disposed on one side of the supporting leg 61, roller groups 63 are mounted on two free ends of the supporting leg 61, one end of an inner cavity of the supporting leg 61 is sealed by the sealing plate 62, and is connected to the mounting frame through the sealing plate 62, in order to ensure that the profiling movement device 6 can move along the surface of the shield segment 100, a plurality of rollers in the roller groups 63 are arranged in a curved arc shape, and the curved arc shape should be adapted to the surface curvature of the shield segment 100, that is, the axis connecting line of the plurality of rollers is curved; the upper part of the sealing plate 62 is hinged with the mounting frame, specifically, a through hole is formed in the upper part of the sealing plate 62, reinforcing ribs are arranged around the through hole and between the supporting legs 61, only mounting holes are formed in the corresponding positions of the mounting frame, bearings can be arranged on the mounting holes and the through hole, then the rotating shaft penetrates through the bearings to realize the hinging of the sealing plate 62 and the mounting frame, and further, a torsion spring is further arranged on the rotating shaft to ensure that the profiling movement device 6 is kept to be vertical to the original position as much as possible; in order to ensure that the deflection angle of the profile modeling movement device 6 cannot be too large in rotation, the device further comprises a limiting guide post 64 arranged on the lower side of the sealing plate 62 and a limiting guide groove 65 arranged at the corresponding position of the mounting frame, wherein the limiting guide groove 65 is in a curved shape, and the limiting guide post 64 is arranged in the limiting guide groove 64 in a sliding and penetrating manner. Specifically, spacing guide post 64 adopts the steel pipe to make, and automatic device 5 during operation of plastering a face, spacing guide post 64 moves in the spacing guide way 64 of arc, and the roller train 63 of landing leg 61 bottom arranges according to the arc, in order to can be in the smooth-going motion of section of jurisdiction mould extrados.

As an optional implementation manner of the invention, the automatic plastering device 5 comprises a plastering support plate 51, wherein the plastering support plate 51 is horizontally arranged, two ends of the plastering support plate 51 are respectively connected with the profiling movement device 6 through connecting pieces, and a concrete connecting piece position angle steel connecting seat is arranged; the floating type plastering trowel comprises a plastering support plate 51, a third driving motor 53, an optical axis connecting rod 54, a plastering channel steel 56, a channel steel floating connecting rod assembly 55, wherein the third driving motor 53 is installed on the plastering support plate 51, the optical axis connecting rod 54 is hung below the plastering support plate 51 and can axially reciprocate relative to the plastering support plate 51, specifically, the optical axis connecting rod 54 is horizontally arranged along the length direction of the optical axis connecting rod 54 through an optical axis guide bearing seat 59, and plays a role in guiding the movement direction of the optical axis connecting rod 54, the plastering channel steel 56 is hung below the optical axis connecting rod 54 through a channel steel floating connecting rod assembly 55, the optical axis connecting rod 54 and the plastering channel steel 56 are fixed together through the channel steel floating connecting rod assembly 55, and the channel steel floating connecting rod assembly 55 can float up and down, so that the height of the plastering channel steel 56 is adjusted; the third driving motor 53 is in transmission connection with the optical axis connecting rod 54 through a third transmission component, specifically, the third transmission component is a crankshaft connecting rod mechanism 57, an output shaft of the third driving motor 53 is connected with the crankshaft connecting rod mechanism 57 through a key connection mode, and the third driving motor 53 transmits power to the crankshaft connecting rod mechanism 57 below; one side of a connecting rod of the crank connecting rod mechanism 57 is connected with the crank and the other side is connected with the optical axis connecting rod 54, and the crank connecting rod mechanism 57 converts the rotary motion of the third driving motor 53 into the linear motion of the optical axis connecting rod 54; the device also comprises a pinch roller support rod assembly 58 movably arranged on the mounting frame and the plastering support plate 51 in a penetrating way and pressed on the plastering channel steel 56; the groove of stepping down 66 that supplies the business turn over of plastering channel-section steel 56 is provided with corresponding to plastering channel-section steel 56 position in shrouding 62 bottom, and the shrouding 62 outside is provided with leading wheel 67 respectively corresponding to groove of stepping down 66 both sides position, and is concrete, and leading wheel 67 can adopt the bearing to support, and the effect of leading wheel 67 is the direction conduction to plastering channel-section steel 56.

As shown in fig. 13, further, the channel steel floating connecting rod assembly 55 includes an optical axis connecting block 551 and a connecting optical axis 552, the upper portion of the optical axis connecting block 551 is sleeved on the optical axis connecting rod 54, a telescopic blind hole is arranged at the bottom of the optical axis connecting block 551, one end of the connecting optical axis 552 is telescopic to penetrate through the telescopic blind hole, and the other end of the connecting optical axis 552 is connected with the plastering channel steel 56. Further, channel-section steel floating connection pole assembly 55 still establishes channel-section steel light shaft connecting sleeve 553 at connecting optical axis 552 bottom including the cover, and channel-section steel light shaft connecting sleeve 553 adopts hollow steel pipe to make, is equipped with the straight notch on its pipe wall, links to each other with connecting optical axis 552 through straight notch construction bolt, prevents to connect optical axis 552 and drops from channel-section steel light shaft connecting sleeve 553, and channel-section steel light shaft connecting sleeve 553 lower extreme and the welding of plastering channel-section steel 56 are in the same place.

As shown in fig. 8 and 5, further, the pinch roller support rod assembly 58 includes a counterweight adjusting frame 581, a counterweight 582, a weight support rod guide block 583, a weight support rod 584, a pinch roller support rod guide bearing 585, a pinch roller support rod 586, and a bearing rubber wheel 587, the pinch roller support rod assembly 58 contacts with the plastering channel steel 56, and the bearing rubber wheel 587 below the pinch roller support rod assembly can roll in the groove of the plastering channel steel 56; the counterweight adjusting frame 581 is fixed at the top of the mounting frame, and the counterweight 582 is movably clamped in the counterweight adjusting frame 581, so as to be capable of vertically moving up and down, wherein it should be noted here that the lifting stroke of the counterweight 582 does not exceed the height of the limiting plate 5812 in the counterweight adjusting frame 581; the weight support rod guide block 583 is movably clamped in the balance weight adjusting frame 581, can move horizontally and transversely, but cannot move up and down; the top of the weight support rod 584 penetrates through the weight support rod guide block 583 and then abuts against the bottom of the counterweight 582, and the lower part of the weight support rod 584 penetrates through the counterweight adjusting frame 581 and then is hinged with the pinch roller support rod 586; pinch roller bracing piece guide bearing 585 cup joints in the pinch roller bracing piece 586 outside, and bolted connection is passed through in the top in the backup pad 51 bottom of plastering, and bearing rubber wheel 587 installs in pinch roller bracing piece 586 bottom, and bearing rubber wheel 587 rolling contact is on the channel-section steel 56 of plastering, and bearing rubber wheel 587 both can be with balancing weight 582 weight transmission to the channel-section steel 56 of plastering on, also can be in the swing of channel-section steel 56 of plastering time rather than contact smooth-going friction reduction.

As shown in fig. 9 and 10, the counterweight adjusting frame 581 further includes a U-shaped bottom plate 5811, a waist-shaped hole is formed on the bottom plate 5811, a limiting plate 5812 is respectively disposed at two sides of a narrow side of the waist-shaped hole, the limiting plate 5812 is an L-shaped structure, a limiting space is formed between the limiting plate 5812 and the bottom plate 5811, and the height of the limiting space is equal to or slightly greater than the thickness of the weight support bar guide block 583. It should be noted here that the length and the width of the limiting plates 5812 are both smaller than those of the bottom plate 5811, an i-shaped groove is formed in the upper portion of the bottom plate 5811 through the two limiting plates 5812, so that the counterweight 582 can be better fixed in the groove, the counterweight 582 is in an i-shaped structure and can be just clamped into the i-shaped groove, and the counterweight 582 can also move in a guide manner in a gap between the two limiting plates 5812.

The automatic concrete plastering device for the tunnel shield segment provided by the invention replaces manual work to plaster and level the concrete on the surface of a mould, the plastering channel steel is driven by a motor so as to realize the transverse left-right reciprocating motion of the channel steel, the mounting frame moves through the driving device connected with the upper end so as to carry out horizontal and lifting motion, and the profiling motion device moves along the outer arc surface of the mould under the driving of the mounting frame so as to realize the plastering of the outer surface of the whole shield segment, thereby realizing the automatic plastering and leveling operation, greatly improving the working efficiency, reducing the labor intensity and having the characteristic of high operation quality.

Example 1:

as shown in fig. 1-13, in the present embodiment, the automatic plastering device for tunnel shield segment concrete comprises a first support assembly 1, four vertical support beams (two frames 12) of the first support assembly 1 are fixed on a cement foundation 11, and two cross beams 13 of the first support assembly 1 are provided with boom support frames 21; a first driving motor 22 and a hollow square steel boom assembly 3 are arranged on the boom support frame 21; the lower end of the suspension arm of the hollow square steel suspension arm assembly 3 is connected with a square tube mounting rack; the square tube mounting rack is used for fixing and supporting the automatic plastering device 5; two ends of the square tube mounting frame are hinged with a profiling movement device 6, and the profiling movement device 6 is used for moving on the 100 arc-shaped surface of the shield segment; the lower part of the third driving motor 53 is connected with the crank connecting rod mechanism 57 in a key connection mode, and the third driving motor 53 transmits power to the crank connecting rod mechanism 57 at the lower part; one side of a connecting rod of the crank connecting rod mechanism 57 is connected with the crank and the other side is connected with the optical axis connecting rod 54, and the crank connecting rod mechanism 57 converts the rotary motion of the third driving motor 53 into the linear motion of the optical axis connecting rod 54; the optical axis connecting rod 54 and the plastering channel steel 56 are fixed together by the channel steel floating connecting rod assembly 55, and the channel steel floating connecting rod assembly 55 can float up and down, so that the height of the plastering channel steel 56 is adjusted; the optical axis guide bearing seat 59 is horizontally arranged along the direction of the optical axis connecting rod 54, and plays a role in guiding the movement direction of the optical axis connecting rod 54; the pinch roller support rod assembly 58 is in contact with the plastering channel steel 56, a bearing rubber wheel 587 below the pinch roller support rod assembly can roll in the groove of the plastering channel steel 56, and a weight support rod guide block 583 on the pinch roller support rod assembly is used for supporting a balancing weight 582; the plastering support plate 51 is fixedly connected with a third driving motor 53 through a bolt, and two ends of the plastering support plate 51 are fixedly connected with the copying plate moving device 6 through an angle steel connecting seat; the counter weight adjusting frame 581 groove is I-shaped, so that the counter weight 582 can be better fixed in the groove, the two cuboid raised steel plates, namely the limiting plate 5812, are inverted L-shaped, and the counter weight 582 can move in a guiding manner in a gap between the two raised steel plates.

The hollow square steel boom assembly 3 can be driven by a first driving motor 22 to move in the length direction of the shield segment 100 through a track, specifically a rack, laid between two cross beams 13 in the middle of the first support frame assembly 1; the hollow square steel suspension arm assembly 3 can drive a working device connected with the lower end to smear.

The support leg 61 in the profiling movement device 6 is of a semi-circular arc structure, the roller group 63 mounted at the bottom of the support leg 61 is of an arc shape, a steel pipe is welded on the sealing plate 62 on the side surface of the support leg 61 and is placed in the arc-shaped limiting guide groove 65 on one side of the third support frame component 4, when the automatic plastering device 5 works, the steel pipe moves in the arc-shaped limiting guide groove 65, and the roller group 63 at the bottom of the support leg 61 is arranged according to the arc shape so as to smoothly move on the outer arc surface of the shield segment 100 mold; two optical axes are welded at two ends of the third support frame assembly 4, the mounting holes formed through the sealing plates 62 on the supporting legs 61 are connected with the optical axes, and threaded holes are formed in the end portions of the optical axes and used for mounting positioning bolts.

The lowest end of the pinch roller support rod assembly 58 is provided with a bearing rubber wheel 587; the bearing rubber wheel 587 can transfer the weight of the balancing weight 582 to the plastering channel steel 56, and can contact with the plastering channel steel 56 to reduce friction smoothly when the plastering channel steel 56 swings; the pinch roller support bar guide bearing 585 is connected to the plastering support plate 51 by bolts; the upper end of the heavy object support rod 584 is hinged with the pinch roller support rod 586; the circular hole in the middle of the weight support rod guide block 583 is used as a guide hole for the weight support rod 584 to float up and down, and the weight support rod guide block 583 is restrained by the two inverted L-shaped steel plates on the balance weight adjusting frame 581 to control the stroke of the up-and-down movement of the weight support rod, so that the weight support rod can move left and right in a space formed by the two inverted L-shaped steel plates.

A linear bearing is arranged in a horizontal hole of an optical axis connecting block 551 in the channel steel floating connecting rod assembly 55, and lubricating grease is coated in a vertical hole, so that a connecting optical axis 552 can smoothly move up and down in the vertical hole; channel-section steel light shaft connecting sleeve 553 is made by hollow steel pipe, and its pipe wall is equipped with the straight notch mouth, links to each other with connecting optical axis 552 through straight notch mouth construction bolt, prevents to connect optical axis 552 and drops from channel-section steel light shaft connecting sleeve 553, and channel-section steel light shaft connecting sleeve 553 lower extreme and plastering channel-section steel 56 welding together.

A small arm 32 is arranged in a large arm 31 on the hollow square steel boom assembly 3, the small arm 32 can extend up and down in the large arm 31, and a second driving motor 33, namely a lifting motor, can lift the large arm 31 when working; when the copying movement device 6 walks on the mould, the small arm 32 connected with the third support frame component 4 can freely stretch and retract in the large arm 31 along with the radian of the surface of the mould.

It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships illustrated in fig. 1 for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides an automatic device of plastering a face of tunnel shield section of jurisdiction concrete which characterized in that, includes first support frame subassembly, the activity is provided with second carriage subassembly on the first support frame subassembly, the activity is provided with the davit assembly on the second carriage subassembly, be provided with third carriage subassembly on the davit assembly, install automatic device and the profile modeling telecontrol equipment of plastering a face on the third carriage subassembly.

2. The automatic plastering device for tunnel shield segment concrete of claim 1, wherein the first support frame assembly comprises two foundations which are arranged in parallel, two door-shaped frames are erected between the two foundations, and two cross beams which are arranged side by side are connected between the two frames; the second support frame assembly is movably arranged on the two cross beams.

3. The automatic concrete plastering device for the tunnel shield segment of claim 1, wherein the second support frame assembly comprises a boom support frame, the boom support frame is movably sleeved outside two cross beams of the first support frame assembly, a first driving motor is further arranged on the boom support frame, and the first driving motor is in transmission connection with the two cross beams through a first transmission assembly and can drive the boom support frame to axially reciprocate along the cross beams.

4. The automatic tunnel shield segment concrete plastering device of claim 1, wherein the boom assembly comprises a large arm and a small arm which are coaxially sleeved, and the small arm can stretch and retract relative to the large arm; the boom assembly further comprises a second driving motor arranged on the second support frame assembly, and the second driving motor is in transmission connection with the boom through a second transmission assembly and can drive the boom to perform lifting reciprocating movement relative to the second support frame assembly.

5. The automatic plastering device for tunnel shield segment concrete as claimed in claim 1, wherein the third support frame assembly comprises a frame-type mounting frame, and the profile movement device is hinged on both sides of the mounting frame and connected with the automatic plastering device positioned inside the mounting frame.

6. The automatic concrete plastering device for the tunnel shield segment as claimed in claim 5, wherein the profiling movement device comprises a semicircular supporting leg, a sealing plate is arranged on one side of the supporting leg, roller groups are arranged on two free ends of the supporting leg, a plurality of rollers in the roller groups are arranged in a curved shape, and the axis connecting line is in an arc shape; the upper portion of the sealing plate is hinged to the mounting frame, the sealing plate further comprises a limiting guide post arranged on the lower side of the sealing plate, and a limiting guide groove in the corresponding position of the mounting frame is formed in the limiting guide groove in a sliding penetrating mode.

7. The automatic plastering device for tunnel shield segment concrete according to claim 5, wherein the automatic plastering device comprises a plastering support plate, the plastering support plate is horizontally arranged, and two ends of the plastering support plate are respectively connected with the profiling movement device; the plastering machine also comprises a third driving motor arranged on the plastering support plate, and an optical axis connecting rod which is suspended below the plastering support plate and can axially reciprocate relative to the plastering support plate, wherein a plastering channel steel is suspended below the optical axis connecting rod through a channel steel floating connecting rod assembly; the third driving motor is in transmission connection with the optical axis connecting rod through a third transmission assembly; the pressing wheel support rod assembly is movably arranged on the mounting frame and the plastering support plate in a penetrating mode and pressed on the plastering channel steel; the shrouding bottom corresponds the groove of stepping down that the channel-section steel position of plastering was provided with the confession the channel-section steel business turn over of plastering keeps, the shrouding outside corresponds to it is provided with the leading wheel respectively to step down groove both sides position.

8. The automatic plastering device for tunnel shield segment concrete according to claim 7, wherein the channel steel floating connecting rod assembly comprises an optical axis connecting block and a connecting optical axis, the upper part of the optical axis connecting block is sleeved on the optical axis connecting rod, a telescopic blind hole is formed in the bottom of the optical axis connecting block, one end of the connecting optical axis is telescopically arranged in the telescopic blind hole in a penetrating mode, and the other end of the connecting optical axis is connected with the plastering channel steel.

9. The automatic concrete plastering device for the tunnel shield segment of claim 7, wherein the pinch roller support rod assembly comprises a counterweight adjusting frame, a counterweight block, a weight support rod guide block, a weight support rod, a pinch roller support rod guide bearing, a pinch roller support rod and a bearing rubber wheel, wherein the counterweight adjusting frame is fixed at the top of the mounting frame, and the counterweight block is movably clamped in the counterweight adjusting frame and can move up and down in the vertical direction; the weight support rod guide block is movably clamped in the counterweight adjusting frame and can transversely move in the horizontal direction; the top of the weight support rod penetrates through the weight support rod guide block and then abuts against the bottom of the balancing weight, and the lower part of the weight support rod penetrates through the balance weight adjusting frame and then is hinged with the pinch roller support rod; the pinch roller supporting rod guide bearing is sleeved on the outer side of the pinch roller supporting rod, the top of the pinch roller supporting rod guide bearing is connected to the bottom of the plastering supporting plate, the bearing rubber wheel is installed at the bottom of the pinch roller supporting rod, and the bearing rubber wheel is in rolling contact with the plastering channel steel.

10. The automatic plastering device for tunnel shield segment concrete according to claim 9, wherein the counterweight adjusting frame comprises a U-shaped bottom plate, a waist-shaped hole is formed in the bottom plate, limiting plates are respectively arranged at two sides of the narrow side of the waist-shaped hole, the limiting plates are of an L-shaped structure, a limiting space is formed between the limiting plate and the bottom plate, and the height of the limiting space is equal to or slightly greater than the thickness of the weight support rod guide block.

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