CN114633342A - An automatic plastering device for tunnel shield segment concrete - Google Patents

Abstract

The invention provides an automatic plastering device for tunnel shield segment concrete, which relates to the technical field of shield tunnel segment concrete production and solves the technical problems of poor quality, low efficiency and high labor intensity of manual plastering. The tunnel shield segment concrete automatic surface plastering device includes a first support frame assembly, 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, and the boom assembly A third support frame assembly is arranged on the third support frame assembly, and an automatic surface plastering device and a profiling motion device are installed on the third support frame assembly. The invention is used for troweling the outer surface of the shield segment, and the channel steel trowels the outer surface of the segment through the reciprocating motion, which realizes the automatic plastering and leveling operation, greatly improves the work efficiency, reduces the labor intensity, and has the characteristics of high operation quality.

Description

An automatic plastering device for tunnel shield segment concrete

technical field

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

Background technique

The shield segment is the main component of the shield tunnel, which bears the pressure and waterproof performance of the soil layer. The quality of the segment is directly related to the overall quality and safety performance of the tunnel. A key step in the production of precast concrete shield segment is to plaster the outer surface of the segment. The quality of plastering not only directly affects the appearance quality of the segment, but also affects the impermeability and durability of the segment. influences. At present, this process is mainly completed by manpower. Workers rely on manual repeated push and pull tools to smooth the surface of the segment by moving along the arc surface of the mold, repeating several times until the outer surface of the segment is smooth. This way of working not only cannot guarantee the quality of the segment, but also has low efficiency and high labor intensity.

SUMMARY OF THE INVENTION

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

For achieving the above object, the invention provides the following technical solutions:

An automatic plastering device for tunnel shield segment concrete provided by the present invention includes a first support frame assembly, a second support frame assembly is movably arranged on the first support frame assembly, and a second support frame assembly is movably arranged on the second support frame assembly There is a boom assembly, a third support frame assembly is arranged on the boom assembly, and an automatic surface plastering device and a profiling motion device are installed on the third support frame assembly.

As a further improvement of the present invention, the first support frame assembly includes two foundations arranged in parallel, two door-shaped frames are framed between the two foundations, and two side-by-side frames are connected between the two frames. the beam; the second support frame assembly is movably arranged on the two beams.

As a further improvement of the present invention, the second support frame assembly includes a boom support frame, the boom support frame is movably sleeved on the outer sides of the two beams of the first support frame assembly, and the boom support frame is mounted on the boom support frame. A first drive motor is also provided, and the first drive motor is drive-connected with the two beams through a first transmission assembly, and can drive the boom support frame to reciprocate axially along the beams.

As a further improvement of the present invention, the boom assembly includes a large arm and a small arm that are coaxially sleeved, and the small arm can be telescopic relative to the large arm; the large arm is movably passed through the second arm On the support frame assembly, the boom assembly further includes a second drive motor placed on the second support frame assembly, the second drive motor is connected with the boom through the second transmission assembly, and can drive The boom performs an up-and-down reciprocating movement relative to the second support frame assembly.

As a further improvement of the present invention, the third support frame assembly includes a frame-type installation frame, the profiling motion device is hinged on both sides of the installation frame, and is connected with the automatic plastering device located inside the installation frame .

As a further improvement of the present invention, the profiling motion device includes a semicircular support leg, a sealing plate is provided on one side of the support leg, and a roller set is installed on the two free ends of the support leg, and the roller set A plurality of rollers are arranged in a curved arc shape, and the axis connecting line is arc shape; the upper part of the sealing plate is hinged with the mounting frame, and also includes a limit guide column arranged on the lower side of the sealing plate, which is arranged at the The limit guide groove at the corresponding position of the mounting frame, the limit guide groove is in the shape of a curved arc, and the limit guide column is slidably penetrated in the limit guide groove.

As a further improvement of the present invention, the automatic plastering device includes a plastering support plate, the plastering support plate is arranged horizontally, and the two ends are respectively connected with the profiling motion device; and a third plastering support plate installed on the plastering support plate is also included. The drive motor also includes an optical axis connecting rod suspended below the troweling surface support plate and capable of axial reciprocating motion relative to the troweling surface supporting plate, and below the optical axis connecting rod is suspended through a channel steel floating connecting rod assembly There is a troweling channel steel; the third drive motor is connected to the optical axis connecting rod through a third transmission component; it also includes a movable through the mounting frame and the troweling support plate, and is pressed on the The pressure roller support rod assembly on the troweling channel steel; the bottom of the sealing plate is provided with a give-away groove for the troweling channel steel to enter and exit, and the outer side of the sealing plate corresponds to the position of the troweling channel steel. Guide wheels are respectively arranged on both sides of the groove.

As a further improvement of the present invention, the channel steel floating connecting rod assembly includes 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, and the optical axis connecting block The bottom is provided with a telescopic blind hole, one end of the connecting optical shaft is telescopically penetrated in the telescopic blind hole, and the other end is connected with the plastering channel steel.

As a further improvement of the present invention, the pinch roller support rod assembly includes a counterweight adjustment frame, a counterweight block, a weight support rod guide block, a heavy object support rod, a pinch wheel support rod guide bearing, a pinch wheel support rod and a bearing Rubber wheels, the counterweight adjustment frame is fixed on the top of the installation frame, the counterweight block is movably clamped in the counterweight adjustment frame, and can be lifted and moved in the vertical direction; the weight support rod The guide block is movably clamped in the counterweight adjustment frame, and can move horizontally in the horizontal direction; the top of the weight support rod passes through the guide block of the weight support rod and abuts on the bottom of the counterweight block , the lower part is hinged with the pressure roller support rod after passing through the counterweight adjustment frame; the pressure roller support rod guide bearing is sleeved on the outside of the pressure roller support rod, and the top is connected to the bottom of the trowel support plate, The bearing rubber wheel is mounted on the bottom of the pressure roller support rod, and the bearing rubber wheel is in rolling contact on the troweling channel steel.

As a further improvement of the present invention, the counterweight adjustment frame includes a U-shaped bottom plate, the bottom plate is provided with a waist-shaped hole, and limit plates corresponding to the positions on both sides of the narrow side of the waist-shaped hole are respectively provided. The plate is an L-shaped structure, and a limit space is formed between the limit plate and the bottom plate, and the height of the limit space is equal to or slightly larger than the thickness of the guide block of the weight support rod.

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

The automatic plastering device for tunnel shield segment concrete provided by the invention replaces manual plastering of concrete on the surface of the mold, the plastering channel steel is driven by a motor, so as to realize the horizontal reciprocating movement of the channel steel, and the installation frame is moved by the driving device connected at the upper end. , in order to carry out horizontal and lifting movements, the profiling movement device is driven by the mounting frame, and moves along the outer arc surface of the mold, so as to realize the plastering of the outer surface of the entire shield segment, thus realizing the automatic plastering and leveling operation. Improve work efficiency, reduce labor intensity, and have the characteristics of high work quality.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the three-dimensional structure schematic diagram of the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 2 is the partial structure schematic diagram of the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 3 is the structural representation of the boom assembly in the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 4 is the partial explosion structure schematic diagram of the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 5 is the structural representation of the automatic plastering device in the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 6 is the structural representation of the profiling motion device in the tunnel shield segment concrete automatic plastering device of the present invention;

7 is a schematic structural diagram of the profiling motion device in the tunnel shield segment concrete automatic plastering device of the present invention viewed from the other side;

Fig. 8 is the structural representation of the pressure roller support rod assembly in the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 9 is the structural representation of the counterweight adjustment frame in the tunnel shield segment concrete automatic plastering device of the present invention;

10 is an exploded view of the counterweight adjustment frame in the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 11 is the partial structure schematic diagram of the automatic plastering device in the tunnel shield segment concrete automatic plastering device of the present invention;

Fig. 12 is the structural representation of plastering channel steel in the tunnel shield segment concrete automatic plastering device of the present invention;

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

In the figure 1, the first support frame assembly; 11, the foundation; 12, the frame; 13, the beam; 2, the second support frame assembly; 21, the boom support frame; 22, the first drive motor; 3, the boom assembly ; 31, big arm; 32, small arm; 33, the second drive motor; 4, the third support frame assembly; 5, the automatic plastering device; 51, the plastering support plate; 53, the third drive motor; 54, the optical axis connection Rod; 55, channel steel floating connecting rod assembly; 551, optical shaft connecting block; 552, connecting optical shaft; 553, channel steel optical shaft connecting sleeve; 56, plastering channel steel; 57, crankshaft connecting rod mechanism; 58, Press wheel support rod assembly; 581, counterweight adjustment frame; 5811, bottom plate; 5812, limit plate; 582, counterweight block; 583, heavy object support rod guide block; 584, heavy object support rod; 585, pressure wheel Support rod guide bearing; 586, pressure roller support rod; 587, bearing rubber wheel; 59, optical axis guide bearing seat; 6, copy motion device; 61, outrigger; 62, sealing plate; 63, roller set; 64, Limit guide column; 65, limit guide groove; 66, give way groove; 67, guide wheel; 100, shield segment.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIG. 1 , the present invention provides an automatic plastering device for tunnel shield segment concrete, which includes a first support frame assembly 1, and a second support frame assembly 2 is movably arranged on the first support frame assembly 1. The second support frame assembly A boom assembly 3 is movably arranged on the frame assembly 2 , a third support frame assembly 4 is arranged on the boom assembly 3 , and an automatic surface plastering device 5 and a profiling motion device 6 are installed on the third support frame assembly 4 .

Specifically, the first support frame assembly 1 is used to be supported above the shield segment trolley, so as to smooth the surface of the shield segment 100 on the trolley below it. The second support frame assembly 2 can move horizontally along the first support frame assembly 1, so as to move along the length direction of the shield tunnel segment 100. Since the length direction of the shield tunnel segment 100 is an arc surface, the automatic plastering device 5 and The profiling motion device 6 can move in an arc shape, and is always attached to the surface of the shield segment 100 to ensure the smoothing effect. The boom assembly 3 is installed on the second support frame assembly 2. When the second support frame assembly 2 moves horizontally, the boom assembly 3 will be driven to move horizontally together. The third support frame assembly 4 is installed on the boom assembly 3. Therefore, the end also moves along with it, which also drives the automatic plastering device 5 and the profiling motion device 6 to move along the arc 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 elongated structures and are arranged on both sides of the trolley, that is, arranged on the shield segment 100 On both sides, two door-shaped frames 12 are erected between the two bases 11, the two frames 12 are arranged at intervals, and both span between the two bases 11, and there are two side-by-side connected between the two frames 12. Cross beams 13; 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 beam 13 along the length direction of the cross beam.

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, and the boom support frame 21 is movably sleeved on the first support frame Outside the two beams 13 of the assembly 1, the boom support frame 21 is also provided with a first drive motor 22. The first drive motor 21 is connected to the two beams 13 through the first transmission assembly, and can drive the boom support frame 21 along the The beam 13 reciprocates in the axial direction. It should be noted here that the first transmission assembly can be a rack and pinion structure, a gear is installed on the output shaft of the first drive motor 22, a rack is installed on the inner side of the beam 13, the gear and the rack are engaged, and when the first drive motor 22 During operation, the fixed support frame 21 can move along the beam 13 ; Of course, the first transmission assembly may also adopt a lead screw nut structure.

As shown in FIG. 3 , as an optional embodiment of the present invention, the boom assembly 3 includes a large arm 31 and a small arm 32 that are coaxially sleeved. Both the small arm 32 and the small arm 32 can be made of a round tube or a hollow square tube. In order to ensure the connection strength and stability, in one embodiment of the present invention, the large arm 31 and the small arm 32 made of square tubes are used; The boom 31 is movably passed through the second support frame assembly 2, and the boom assembly 3 also includes a second drive motor 33 placed on the second support frame assembly 2. The second drive motor 33 is connected to the large arm through the second transmission assembly. The arm 31 is in a transmission connection, which can drive the boom 31 to perform a lifting reciprocating movement relative to the second support frame assembly 2 . It should be noted here that the second transmission assembly may adopt a rack and pinion or a lead screw nut structure.

As shown in Figure 2, Figure 4 and Figure 5, further, the third support frame assembly 4 includes a frame-type mounting frame, and the profiling motion device 6 is hinged on both sides of the mounting frame 41, and is connected with the automatic plastering device located inside the mounting frame. 5 connections.

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

As shown in FIGS. 6 and 7 , as an optional embodiment of the present invention, the profiling motion device 6 includes a semicircular support leg 61 , a sealing plate 62 is provided on one side of the support leg 61 , and two A roller set 63 is installed on the free end, and the sealing plate 62 seals one end of the inner cavity of the outrigger 61, and is connected with the mounting frame through the sealing plate 62. The plurality of rollers in the group 63 are arranged in a curved arc, and the arc should be adapted to the surface curvature of the shield segment 100, that is to say, the axis connecting lines of the plurality of rollers are arcs; the upper part of the sealing plate 62 It is hinged with the mounting frame. Specifically, a through opening is arranged on the upper part of the sealing plate 62, and a reinforcing rib is arranged around the through opening and between the outriggers 61. The corresponding position on the mounting frame is also only a mounting hole. The bearing is set, and then the hinged connection between the sealing plate 62 and the mounting frame is realized after the rotating shaft passes through the bearing. Further, a torsion spring is also arranged on the rotating shaft to ensure that the profiling motion device 6 is kept as vertical as possible in the original position; in order to ensure the profiling motion The deflection angle of the device 6 will not be too large, and also includes a limit guide column 64 arranged on the lower side of the sealing plate 62, a limit guide slot 65 arranged at the corresponding position of the mounting frame, and the limit guide slot 65 is curved. , the limit guide post 64 slides through the limit guide groove 64 . Specifically, the limit guide column 64 is made of steel pipe. When the automatic surface plastering device 5 is working, the limit guide column 64 moves in the arc limit guide groove 64, and the roller group 63 at the bottom of the outrigger 61 is arranged in an arc shape. It can move smoothly on the outer arc surface of the segment die.

As an optional embodiment of the present invention, the automatic plastering device 5 includes a plastering support plate 51, the plastering support plate 51 is arranged horizontally, and the two ends are respectively connected with the profiling motion device 6 through connecting pieces. The specific connecting piece is an angle steel connecting seat. Also includes the third drive motor 53 installed on the plastering support plate 51, and also includes an optical axis connecting rod 54 that is suspended below the plastering support plate 51 and can carry out axial reciprocating motion with respect to the plastering support plate 51. The shaft connecting rod 54 is horizontally arranged along the length direction of the optical shaft connecting rod 54 through the optical shaft guiding bearing seat 59, and plays a guiding role in the movement direction of the optical shaft connecting rod 54. The channel steel floating connecting rod assembly 55 is passed below the optical shaft connecting rod 54. The surface channel steel 56 is suspended, and the channel steel floating connecting rod assembly 55 fixes the optical axis connecting rod 54 and the surface channel steel 56 together, and the channel steel floating connecting rod assembly 55 can float up and down, thereby adjusting the surface of the surface channel steel 56. height; the third drive motor 53 is connected to the optical axis connecting rod 54 through the third transmission assembly, specifically, the third transmission assembly here is the crankshaft connecting rod mechanism 57, and the output shaft of the third drive motor 53 is connected by a key Connected with the crank connecting rod mechanism 57, the third drive motor 53 transmits power to the lower crank connecting rod mechanism 57; one side of the connecting rod of the crank connecting rod mechanism 57 is connected to the crank and the other side is connected to the optical axis connecting rod 54, and the crank connecting rod The mechanism 57 converts the rotational motion of the third drive motor 53 into the linear motion of the optical axis connecting rod 54; it also includes a pressure roller support that is movably worn on the mounting frame and the plastering support plate 51, and is pressed on the plastering channel steel 56. Rod assembly 58; The bottom of the sealing plate 62 is provided with a give-away groove 66 for the troweling channel steel 56 to enter and exit at the position corresponding to the troweling channel steel 56, and the outer side of the sealing plate 62 is respectively provided with guide wheels 67 corresponding to the positions on both sides of the giving-away groove 66, Specifically, the guide wheel 67 can be supported by a bearing, and the function of the guide wheel 67 is to guide and conduct the troweling channel 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 part of the optical axis connecting block 551 is sleeved on the optical axis connecting rod 54, and the optical axis connecting block 551 The bottom is provided with a telescopic blind hole, one end of the connecting optical axis 552 is telescopically penetrated in the telescopic blind hole, and the other end is connected with the plastering channel steel 56 . Further, the channel steel floating connecting rod assembly 55 also includes a channel steel optical axis connecting sleeve 553 sleeved on the bottom of the connecting optical axis 552. The channel steel optical axis connecting sleeve 553 is made of a hollow steel pipe, and the pipe wall is provided with a hollow steel pipe. There is a straight slot, which is connected with the connecting optical axis 552 through the straight slot mounting bolt to prevent the connecting optical axis 552 from falling off the channel steel optical axis connecting sleeve 553. The lower end of the channel steel optical axis connecting sleeve 553 is welded with the troweling channel steel 56 together.

As shown in FIGS. 8 and 5 , further, the pressure roller support rod assembly 58 includes a counterweight adjustment frame 581, a counterweight block 582, a weight support rod guide block 583, a weight support rod 584, and a pressure roller support rod guide The bearing 585, the pressure roller support rod 586 and the bearing rubber wheel 587, the pressure wheel support rod assembly 58 is in contact with the troweling channel steel 56, and the bearing rubber wheel 587 under it can roll in the groove of the troweling channel steel 56; The frame 581 is fixed on the top of the mounting frame, and the counterweight block 582 is movably clamped in the counterweight adjustment frame 581, and can be lifted and moved vertically. It should be noted here that the lifting stroke of the counterweight block 582 does not exceed the weight The height of the limit plate 5812 in the weight adjustment frame 581; the weight support rod guide block 583 is movably stuck in the counterweight adjustment frame 581, and can move horizontally in the horizontal direction, but cannot move up and down; the weight support rod 584 The top part passes through the weight support rod guide block 583 and then abuts on the bottom of the counterweight block 582; The bottom is provided with a penetrating groove, the top of the pressure roller support rod 586 is penetrated in the groove, and then both ends are hinged with the weight support rod 584 through the rotating shaft; the pressure roller support rod guide bearing 585 is sleeved on the pressure roller support rod 586 The outer side, and the top is connected to the bottom of the troweling support plate 51 by bolts, the bearing rubber wheel 587 is installed on the bottom of the pressure roller support rod 586, and the bearing rubber wheel 587 rolling contact on the troweling channel steel 56, the bearing rubber wheel 587 can not only balance the weight The weight of the block 582 is transferred to the troweling channel steel 56, and it can also smoothly contact with the troweling channel steel 56 to reduce friction when the troweling channel steel 56 swings.

As shown in FIG. 9 and FIG. 10 , further, the counterweight adjustment frame 581 includes a U-shaped bottom plate 5811 , a waist-shaped hole is formed on the bottom plate 5811 , and limit plates 5812 are respectively provided on both sides of the narrow side of the waist-shaped hole to limit the The position plate 5812 is an L-shaped structure, and a limit space is formed between the limit plate 5812 and the bottom plate 5811 , and the height of the limit space is equal to or slightly larger than the thickness of the guide block 583 of the weight support rod. It should be noted here that the length and width of the limit plate 5812 are both smaller than the length and width of the bottom plate 5811, and an I-shaped groove is formed on the upper part of the bottom plate 5811 through the two limit plates 5812, which is convenient for the counterweight 582 to be better Fixed in the groove, the counterweight block 582 is an I-shaped structure, which is just snapped into the I-shaped groove, and the counterweight block 582 can also be guided to move in the gap between the two limiting plates 5812 .

The automatic plastering device for tunnel shield segment concrete provided by the invention replaces manual plastering of concrete on the surface of the mold, the plastering channel steel is driven by a motor, so as to realize the horizontal reciprocating movement of the channel steel, and the installation frame is moved by the driving device connected at the upper end. , in order to carry out horizontal and lifting movements, the profiling movement device is driven by the mounting frame, and moves along the outer arc surface of the mold, so as to realize the plastering of the outer surface of the entire shield segment, thus realizing the automatic plastering and leveling operation. Improve work efficiency, reduce labor intensity, and have the characteristics of high work quality.

Example 1:

As shown in FIGS. 1-13 , in this embodiment, the automatic plastering device for tunnel shield segment concrete includes a first support frame assembly 1 , and four vertical support beams (two frames 12 ) of the first support frame assembly 1 Fixed on the cement foundation 11, a boom support frame 21 is installed on the two beams 13 of the first support frame assembly 1; a first drive motor 22 and a hollow square steel boom assembly 3 are installed on the boom support frame 21; The lower end of the boom of the hollow square steel boom assembly 3 is connected to a square tube installation frame; the square tube installation frame is used to fix and support the automatic plastering device 5; the two ends of the square tube installation frame are hingedly connected with a profiling motion device 6, and the profiling movement The device 6 is used to move on the arc surface of the shield segment 100; the lower part of the third drive motor 53 is connected with the crank connecting rod mechanism 57 by means of a key connection, and the third driving motor 53 transmits power to the lower crank connecting rod mechanism 57; one side of the connecting rod of the crank connecting rod mechanism 57 is connected to the crank and the other side is connected to the optical axis connecting rod 54, and the crank connecting rod mechanism 57 converts the rotary motion of the third drive motor 53 into the linear motion of the optical axis connecting rod 54; the groove The steel floating connecting rod assembly 55 fixes the optical axis connecting rod 54 and the troweling channel steel 56 together, and the channel steel floating connecting rod assembly 55 can float up and down, thereby adjusting the height of the troweling channel steel 56; the optical axis guides the bearing seat 59 along the The direction of the optical axis connecting rod 54 is horizontally arranged, which plays a guiding role in the movement direction of the optical axis connecting rod 54; Rolling in the groove, on which the weight support rod guide block 583 is used to support the counterweight block 582; the troweling support plate 51 is fixedly connected to the third drive motor 53 through bolts, and the two ends of the troweling support plate 51 are connected to the profiling through the angle steel connection seat. The plate movement device 6 is fixedly connected; the groove of the counterweight adjustment frame 581 is I-shaped, which is convenient for the counterweight block 582 to be better fixed in the groove, and there are two cuboid raised steel plates on it, that is, the limit plate 5812 is inverted. The "L" shape can guide the movement of the counterweight 582 in the gap between the two raised steel plates.

The hollow square steel boom assembly 3 can be driven by the first drive motor 22, through the rails laid in the middle of the two beams 13 in the first support frame assembly 1, specifically the racks, to carry out the longitudinal direction of the shield segment 100. Movement; the hollow square steel boom assembly 3 can drive the working device connected at the lower end to plaster the surface.

The legs 61 in the profiling motion device 6 are semi-circular arc structures, the roller set 63 installed at the bottom is arc-shaped, a steel pipe is welded on the sealing plate 62 on the side of the legs 61, and the steel pipe is placed on the side of the third support frame assembly 4 In the arc-shaped limit guide groove 65, when the automatic plastering device 5 works, the steel pipe moves in the arc-shaped limit guide groove 65, and the roller group 63 at the bottom of the outrigger 61 is arranged in an arc shape. Smooth movement on the outer arc surface of the mold; two optical axes are welded at both ends of the third support frame assembly 4, which are connected with the mounting holes provided by the sealing plate 62 on the legs 61, and the ends of the optical axes are provided with threaded holes, Used to install locating bolts.

The lowermost end of the pressure roller support rod assembly 58 is provided with a bearing rubber wheel 587; the bearing rubber wheel 587 can not only transmit the weight of the counterweight 582 to the troweling channel steel 56, but also can smoothly contact with the troweling channel steel 56 when it swings. Small friction; the pressure roller support rod guide bearing 585 is bolted to the trowel support plate 51; the upper end of the weight support rod 584 is hinged with the pressure wheel support rod 586; the circular hole in the middle of the weight support rod guide block 583 is used as a weight support The guide hole for the rod 584 to float up and down, the guide block 583 of the weight support rod is constrained by the two inverted "L"-shaped steel plates on the counterweight adjustment frame 581 to constrain its up and down movement, so that it can be formed in two inverted "L" shapes. move left and right within the space.

The optical axis connecting block 551 in the channel steel floating connecting rod assembly 55 is equipped with linear bearings in the horizontal hole, and the vertical hole is coated with grease, so that the connecting optical axis 552 can be smoothly moved up and down in the vertical hole. Movement; channel steel optical axis connecting sleeve 553 is made of hollow steel pipe, and its pipe wall is provided with a straight notch, which is connected to the connecting optical axis 552 through the straight notch mounting bolts to prevent the connecting optical axis 552 from being connected from the channel steel optical axis connecting sleeve. The tube 553 falls off, and the lower end of the channel steel optical axis connecting sleeve 553 is welded with the plastering channel steel 56 .

The hollow square steel boom assembly 3 is provided with a small arm 32 in the big arm 31. The small arm 32 can be extended up and down in the big arm 31. The second drive motor 33, that is, the lifting motor, can lift the big arm 31 up and down. ; When the profiling motion device 6 walks on the mold, the small arm 32 connected to the third support frame assembly 4 will freely expand and contract in the large arm 31 with the curvature of the mold surface.

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

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in FIG. Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

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

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the 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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