CN213419114U

CN213419114U - Sideslip mechanism and lining cutting platform truck

Info

Publication number: CN213419114U
Application number: CN202022223322.6U
Authority: CN
Inventors: 贺显林; 李金魁; 王存宝; 王平安; 王洪坤; 罗宗帆; 张欢; 李校珂; 王青松
Original assignee: China Railway 20th Bureau Group Corp
Current assignee: China Railway 20th Bureau Group Corp
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a sideslip mechanism and lining cutting platform truck, wherein, sideslip mechanism includes base, slider and flexible driving piece. The base is provided with a transverse guide rail, one end of the sliding part is slidably mounted on the transverse guide rail, and the other end of the sliding part is used for being connected with the lining trolley. The sliding part is provided with a through hole, and the through hole penetrates through the sliding part along the extending direction of the transverse guide rail. One end of the telescopic driving piece is connected with the base, and the other end of the telescopic driving piece penetrates through the through hole and is connected with the sliding piece. The utility model discloses some sideslip mechanism structures that can solve current are more complicated, and the space that needs to occupy is also great technical problem.

Description

Sideslip mechanism and lining cutting platform truck

Technical Field

The utility model relates to a tunnel engineering technical field, in particular to sideslip mechanism and lining cutting platform truck.

Background

Along with the development of society, the railway construction of people is more and more, and the tunnel that the railway construction needs to be built is more and more also, need in the tunnel construction to use a method of lining to the tunnel construction, and lining refers to the permanent supporting construction that prevents surrounding rock deformation or collapse, builds with materials such as reinforced concrete along tunnel cave body periphery. The lining trolley is special equipment used in secondary lining of tunnel construction and is used for lining construction of the inner wall of a tunnel, the existing lining trolley is generally provided with a transverse moving mechanism so as to better adjust the centering and positioning of a whole lining trolley or lining templates on the lining trolley, however, the existing transverse moving mechanisms are complex in structure and large in occupied space.

The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sideslip mechanism, it is more complicated to aim at solving some current sideslip mechanism structure, and the space that needs to occupy is also great technical problem.

In order to achieve the above object, the utility model provides a sideslip mechanism for the centering adjustment of lining cutting platform truck, sideslip mechanism includes base, slider and flexible driving piece. The base is provided with a transverse guide rail, one end of the sliding part is slidably mounted on the transverse guide rail, and the other end of the sliding part is used for being connected with the lining trolley. The sliding part is provided with a through hole, and the through hole penetrates through the sliding part along the extending direction of the transverse guide rail. One end of the telescopic driving piece is connected with the base, and the other end of the telescopic driving piece penetrates through the through hole and is connected with the sliding piece.

In one embodiment, the telescopic driving member includes a cylinder and a piston, the piston extends from the cylinder and is connected to the sliding member, one end of the cylinder, from which the piston extends, extends into the through hole, and the other end of the cylinder is connected to the base.

In one embodiment, the piston is hinged to the slide and/or the cylinder is hinged to the base.

In one embodiment, the sliding member is provided with two opposite first lug plates, and the piston is hinged between the two first lug plates through a hinge shaft; and/or, be equipped with two relative second otic placodes on the base, the cylinder body through articulated axle articulated with between two second otic placodes.

In one embodiment, the transverse guide rail includes two parallel guide bars facing each other at an interval, the guide bars are disposed on the top surface of the base and have a guide surface and a limiting surface, the guide surface faces the other guide bar, and the limiting surface faces the top surface of the base. The sliding part is provided with a sliding part which is arranged between the two guide surfaces in a sliding way and is limited between the limiting surface and the top surface of the base.

In one embodiment, the sliding portion has a plate-like structure.

In one embodiment, the sliding member further has a connecting portion provided with the through hole, one end of the connecting portion is connected with the sliding portion, the other end of the connecting portion is used for being connected with the lining trolley, and a reinforcing plate is further connected between the side face of the connecting portion and the top face of the sliding portion.

In an embodiment, the base is provided with one or more weight-reducing grooves, and/or the base is provided with one or more reinforcing ribs.

The utility model also provides a lining cutting platform truck, the lining cutting platform truck includes portal and sideslip mechanism, sideslip mechanism is equipped with a plurality ofly, and is a plurality of sideslip mechanism install in the bottom of portal, every sideslip mechanism includes:

the base is provided with a transverse guide rail;

one end of the sliding part is slidably mounted on the transverse guide rail, and the other end of the sliding part is connected with the lining trolley; the sliding part is provided with a through hole which penetrates through the sliding part along the extending direction of the transverse guide rail; and the number of the first and second groups,

and one end of the telescopic driving piece is connected with the base, and the other end of the telescopic driving piece penetrates through the through hole and is connected with the sliding piece.

In an embodiment, the lining trolley further comprises a lifting mechanism, one end of the lifting mechanism is connected with the gantry, and the other end of the lifting mechanism is connected with the sliding member of the traversing mechanism.

The utility model discloses the flexible driving piece drive slider of sideslip mechanism accessible slides on the transverse guide of base, can drive the lining cutting platform truck when the slider slides and carry out lateral shifting, and then realizes the centering adjustment of lining cutting platform truck. And in the utility model discloses among the sideslip mechanism, the one end and the base of flexible driving piece are connected, and the other end passes the through-hole on the slider and is connected with the slider for relative position between flexible driving piece and the slider compactness more, required installation space and activity space are also littleer. And the through-hole of slider can play good guard action to flexible driving piece, avoids flexible driving piece to collide with foreign object in the use, and the concertina movement of flexible driving piece itself also is difficult for receiving the interference, guarantees the accuracy of lining cutting platform truck centering adjustment. Therefore, the utility model discloses sideslip mechanism simple structure is compact, whole volume is less, the security is also than higher, has solved some current sideslip mechanism structure more complicacies effectively, and the space that needs to occupy is also great technical problem than higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a lining trolley of the present invention;

fig. 2 is a schematic structural view of an embodiment of the traversing mechanism of the present invention;

fig. 3 is a schematic structural view of an embodiment of a traversing mechanism and a lifting mechanism of the lining trolley of the present invention;

FIG. 4 is a schematic structural view of one embodiment of a traveling wheel assembly of the lining trolley of the present invention;

FIG. 5 is a schematic structural view of another embodiment of a running wheel assembly of the lining trolley of the present invention;

FIG. 6 is a schematic structural view of another embodiment of the lining trolley of the present invention;

FIG. 7 is a schematic structural view of an embodiment of the lining trolley of the present invention during construction;

fig. 8 is a schematic structural view of another embodiment of the lining trolley of the present invention during construction.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sideslip mechanism.

In the embodiment of the present invention, as shown in fig. 1, the traversing mechanism 30 is used for centering adjustment of the lining trolley 10, the lining trolley 10 may further include a portal 20 and a bottom beam 21 connected to the bottom of the portal 20 and used for supporting the portal 20, the bottom beam 21 is horizontally disposed and longitudinally extended, the portal 20 is generally constructed by combining a plurality of beams, longitudinal beams, vertical beams and reinforcing beams, wherein the beams, longitudinal beams and vertical beams 22 are respectively extended along the transverse direction, the longitudinal direction and the vertical direction, and the three are connected to each other to form the basic frame of the portal 20. Reinforcing beams may be connected between any two of the cross beams, the longitudinal beams, and the vertical beams 22 to reinforce the structural strength of the entire gantry 20. The gantry 20 used in the present embodiment has a simple structure and is easy to assemble.

It should be noted that (the same applies hereinafter) the transverse direction, the longitudinal direction, and the vertical direction in the present embodiment respectively refer to a direction along the width direction of the tunnel as the transverse direction, an extending direction of the tunnel as the longitudinal direction, and a height direction of the tunnel as the vertical direction when the lining truck 10 is located in the tunnel. For example, the bottom beam 21 extends in the longitudinal direction, i.e. when the trolley is located in a tunnel, the bottom beam 21 extends in the direction of extension of the tunnel.

In the present embodiment, as shown in fig. 1 and 2, the traversing mechanism 30 includes a base 31, a sliding member 32, and a telescopic driving member 33. The base 31 is substantially a square structure, and the bottom surface of the base 31 contacting the ground is a plane structure, so that the whole lining trolley 10 can be supported to move better and more stably when the lining trolley 10 is driven to move transversely. The base 31 further has a top surface facing the gantry 20, the top surface is provided with a transverse guide rail 311 extending transversely, and the transverse guide rail 311 may be a slide rail structure, a guide groove structure or other guide structures, which are not limited specifically herein, and only need to be capable of cooperating with the sliding member 32 and allowing the sliding member 32 to slide.

One end of the sliding member 32 is slidably mounted on the transverse rail 311, and the other end is used for connecting with the lining trolley 10. The specific shape and size of the sliding member 32 are not specifically limited, and in the present embodiment, the sliding member 32 is substantially a square column structure, and it can be understood that the sliding member 32 having the square column structure has better overall strength, so as to better drive the lining trolley 10 to move transversely.

In this embodiment, the sliding member 32 is provided with a through hole 321, the through hole 321 penetrates the sliding member 32 along the extending direction of the transverse guide rail 311, one end of the telescopic driving member 33 is connected with the base 31, and the other end thereof penetrates through the through hole 321 and is connected with the sliding member 32. Wherein the skid 32 may be directly connected to the gantry 20 of the lining trolley 10, or may be connected to various machine components mounted on the lining trolley 10, such as to a lifting mechanism 40 mounted on the gantry 20, or the like.

It will be appreciated that the telescopic drive member 33 has one end connected to the base 31 and the other end passing through the through hole 321 in the slide member 32 and connected to the slide member 32, so that the relative position between the telescopic drive member 33 and the slide member 32 is more compact and requires less installation space and less space for movement. And the through-hole 321 of the sliding member 32 can play a good protection role for the telescopic driving member 33, so that the telescopic driving member 33 is prevented from colliding with foreign objects in the using process, the telescopic motion of the telescopic driving member 33 is not easily interfered, and the centering adjustment accuracy of the lining trolley 10 is ensured.

Therefore, the utility model discloses sideslip mechanism 30 simple structure is compact, whole volume is less, the security is also than higher, has solved some current sideslip mechanism structure effectively and has more complicacy, the space that needs to occupy is also great technical problem than higher.

In one embodiment, as shown in fig. 2, the telescopic driving member 33 includes a cylinder 331 and a piston, the piston extends from the cylinder 331 and is connected to the sliding member 32, one end of the cylinder 331 extending with the piston extends into the through hole 321, and the other end is connected to the base 31. Therefore, the piston can do more telescopic motion in the through hole 321, and the condition that the piston is interfered or collided by a foreign object in the telescopic motion process is effectively avoided.

In one embodiment, as shown in fig. 2, in order to avoid the sliding member 32 from jamming with the transverse rail 311 when the telescopic driving member 33 pushes the sliding member 32 to slide, the piston is hinged to the sliding member 32, and/or the cylinder 331 is hinged to the base 31. So that the piston and the sliding member 32, or the cylinder 331 and the base 31, are flexibly connected to have a certain adjustment margin and can be automatically adjusted in the process of pushing the sliding member 32 to slide, thereby avoiding the situation that the rigid connection is easy to be blocked.

Specifically, be equipped with two relative first otic placodes 322 on the slider 32, all seted up the hinge hole on every first otic placode 322, the piston pass through the articulated shaft articulate in between two first otic placodes 322, specifically the both ends of articulated shaft rotate respectively and install in two hinge holes, the one end of piston is connected on the articulated shaft.

Equally, be equipped with two relative second otic placodes 312 on the base 31, all seted up the hinge hole on every second otic placode 312, cylinder body 331 through the articulated shaft articulated with between two second otic placodes 312, specifically the both ends of articulated shaft rotate respectively and install in two hinge holes, the one end of cylinder body 331 is connected on the articulated shaft. The design makes the whole structure of the transverse moving mechanism 30 simple and compact, and easy to disassemble and assemble.

In one embodiment, as shown in fig. 2, the transverse guiding rail 311 includes two parallel and spaced opposite guiding bars, the guiding bars are disposed on the top surface of the base 31 and have a guiding surface 3111 and a limiting surface 3112, the guiding surface 3111 faces the other guiding bar, and the limiting surface 3112 faces the top surface of the base 31. In this embodiment, each conducting bar is roughly in an inverted L-shaped structure, and is simple and easy to obtain, and when assembling, it is only necessary to directly fix two conducting bars on the top surface of the base 31, which is very convenient and fast. With respect to the specific form of the sliding member 32 slidably mounted on the transverse guide rail 311, in the present embodiment, the sliding member 32 has a sliding portion 323, and the sliding portion 323 is slidably mounted between the two guide surfaces 3111 and is limited between the limiting surface 3112 and the top surface of the base 31. That is, the sliding portion 323 may have a simple block-like or plate-like structure, which facilitates not only the manufacturing but also the attachment and detachment of the slider 32.

In one embodiment, as shown in fig. 2, the sliding portion 323 has a plate-like structure, thus increasing the contact surface of the slider 32 with the lateral guide rail 311, so that the lining truck 10 can be more smoothly moved during the lateral movement. And can also provide sufficient surface support for the lifting of the lining trolley 10, and avoid the situation that the lining trolley 10 moves randomly in the lifting process.

In one embodiment, as shown in fig. 2, the sliding member 32 further has a connecting portion 324 having the through hole 321, one end of the connecting portion 324 is connected to the sliding portion 323, the other end is used for connecting to the lining trolley 10, and a reinforcing plate is further connected between a side surface of the connecting portion 324 and a top surface of the sliding portion 323, so as to reinforce a connection strength between the sliding portion 323 and the connecting portion 324. Of course, a plurality of reinforcing plates may be provided, and the plurality of reinforcing plates may have different sizes and extending directions, and the like, and may be specifically set according to actual conditions, and only the connection strength interface between the connecting portion 324 and the sliding portion 323 needs to be reinforced.

In one embodiment, as shown in FIG. 2, the base 31 is provided with one or more weight-reducing slots 313 to reduce the weight of the base 31 and the entire traversing mechanism 30 for easy removal and lifting and lowering during use.

In other embodiments, as shown in fig. 2, the base 31 is provided with one or more ribs, and in particular, the ribs can be provided at the positions where the telescopic driving member 33 is connected with the base 31, the main sliding range of the sliding member 32, and the like, which are frequently stressed, so as to increase the supporting strength of the whole base 31.

The utility model discloses still provide a lining cutting platform truck 10, this lining cutting platform truck 10 includes portal 20 and sideslip mechanism 30, and the concrete structure of this sideslip mechanism 30 refers to above-mentioned embodiment, because this lining cutting platform truck 10 has adopted the whole technical scheme of all above-mentioned embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

In one embodiment, as shown in fig. 1 and 2, the lining trolley 10 further includes a lifting mechanism 40, one end of the lifting mechanism 40 is connected to the gantry 20, and the other end is connected to the sliding member 32 of the traversing mechanism 30. It can be understood that the lifting mechanism 40 can be used to drive the whole traverse mechanism 30 to lift, and when the traverse is required, the lifting mechanism 40 can drive the traverse mechanism 30 to move downwards, so that the base 31 of the traverse mechanism 30 can contact the ground, thereby driving the lining trolley 10 to traverse. When the transverse movement is not needed, the whole transverse movement mechanism 30 can be retracted through the lifting mechanism 40, so that the base 31 of the transverse movement mechanism 30 is separated from the contact with the ground, and the influence on the running of the lining trolley 10 is avoided.

In one embodiment, as shown in fig. 1 and 3, the bottom beam 21 is provided with a guide hole 211 penetrating through the bottom beam 21 in the vertical direction, one end of the sliding member 32 is slidably mounted on the transverse guide rail 311, the other end of the sliding member passes through the guide hole 211 and extends to the upper side of the bottom beam 21, and the sliding member 32 can slide relative to the guide hole 211. The lifting mechanism 40 is arranged above the bottom beam 21 and extends along the vertical direction, one end of the lifting mechanism 40 is connected with the door frame 20, and the other end of the lifting mechanism is hinged with one end of the sliding part 32 extending to the upper side of the bottom beam 21 through a hinge shaft.

In this embodiment, the bottom beam 21 is horizontally disposed and connected to the bottom of the gantry 20 to support the entire gantry 20. The bottom beam 21 is provided with a guide hole 211 penetrating through the bottom beam 21 in the vertical direction, and the size and shape of the guide hole 211 are not specifically limited herein.

One end of the sliding member 32 is slidably mounted on the transverse guide rail 311, and the other end of the sliding member passes through the guide hole 211 and extends above the bottom beam 21, and the sliding member 32 can slide relative to the guide hole 211. Specifically, the outer shape of the sliding member 32 is fitted to the guide hole 211 so that the outer circumferential surface of the sliding member 32 can be in contact with the inner circumferential surface of the guide hole 211 and can slide relative to the guide hole 211.

In this embodiment, the lifting mechanism 40 is disposed above the bottom beam 21 and extends in a vertical direction, and one end of the lifting mechanism 40 is connected to the door frame 20, and the other end is hinged to the end of the sliding member 32 extending above the bottom beam 21 through a hinge shaft. Wherein, the articulated shaft can transversely extend, also can vertically extend, and specific can be set for by oneself according to actual need.

When the lining trolley 10 of the present embodiment needs to perform the lifting movement, the lifting mechanism 40 itself may be driven to perform the telescopic movement so as to make the gantry 20 and the sliding member 32 slide relatively, and further, the whole gantry 20 may be lifted after the base 31 of the traversing mechanism 30 is grounded. When the transverse movement is needed, the sliding part 32 can be driven to transversely move on the base 31, because the sliding part 32 passes through the guide hole 211 of the bottom beam 21 of the portal 20, the sliding part 32 can push the portal 20 to move by itself when the transverse movement is carried out, so that the portal 20 also carries out the transverse movement, and the lifting mechanism 40 arranged on the portal 20 can transversely move along with the portal 20 without pushing the portal 20 to move through the lifting mechanism 40, thereby avoiding the stress of the lifting mechanism 40 in the radial direction.

It can be understood that, because slider 32 and elevating system 40 are articulated each other for the connection between elevating system 40 and the slider 32 is more flexible nimble, and has certain movable allowance, compares in fixed connection between slider 32 and elevating system 40, the utility model discloses when lining cutting platform truck 10 begins to do lateral shifting or platform truck portal 20 and takes place certain beat at slider 32, the connection between elevating system 40 and the slider 32 can be adjusted a little adaptively, and then great reduction elevating system 40 is at its ascending atress in radial direction, avoids elevating system 40 to receive great radial force often and influence its life.

Therefore, the utility model discloses lining cutting platform truck 10 not only can be in the same place elevating system 40 and sideslip mechanism 30 are integrated for lining cutting platform truck 10's simple structure is compacter, and still effectual elevating system 40 of avoiding receives great radial force when lining cutting platform truck 10 sideslip, and then avoids influencing elevating system 40's life.

In one embodiment, as shown in fig. 3, the sliding member 32 has a square column structure, and a long side or a wide side thereof extends along the extending direction of the transverse guide rail 311, and the shape of the guide hole 211 is adapted to the sliding member 32. It will be appreciated that the design provides a greater contact surface between the slider 32 and the gantry 20 in the transverse direction, so that the slider 32 can push the gantry 20 to traverse more smoothly.

In one embodiment, as shown in fig. 3, one of the outer wall of the sliding member 32 and the inner wall of the guiding hole 211 is provided with a vertically extending convex strip, and the other one is provided with a groove adapted to the convex strip and allowing the convex strip to slide. Specifically, for convenience of manufacturing, guide grooves may be provided in the guide holes 211, the guide grooves penetrate through two open ends of the guide holes 211 along an extending direction of the guide holes 211, and the convex strips are provided on an outer surface of the sliding member 32. Therefore, the sliding part 32 can slide in the guide hole 211 more smoothly, and the condition that the sliding part 32 deviates relative to the guide direction of the guide hole 211 or is clamped in the guide hole 211 is reduced.

In an embodiment, as shown in fig. 3, the surface of the bottom beam 21 facing the base 31 is provided with a guiding fence 212, and the guiding fence 212 surrounds the opening of the guiding hole 211, so as to increase the guiding distance for the sliding member 32, and avoid the situation that the guiding distance is too small when the thickness of the bottom beam 21 is insufficient, so as to not guide the sliding member 32 well.

In one embodiment, as shown in fig. 3, the inner wall of the guiding fence 212 is engaged with the inner wall of the guiding hole 211, so as to increase the contact area between the sliding member 32 and the bottom beam 21, and avoid the situation that the sliding member 32 cannot push the door frame 20 well due to the insufficient thickness of the bottom beam 21. In other embodiments, a reinforcing rib is connected between the outer wall of the guide fence 212 and the surface of the bottom beam 21 where the guide fence 212 is arranged, so that the connection strength between the guide fence 212 and the bottom beam 21 can be increased.

In one embodiment, as shown in fig. 3, the surface of the bottom beam 21 facing away from the base 31 is provided with a vertical beam 22 extending vertically, and the vertical beam 22 is disposed near the opening of the guide hole 211 and is parallel to and opposite to the lifting mechanism 40. It can be understood that, compared with the case that no beam rod parallel to the lifting mechanism 40 is arranged around the lifting mechanism 40, when the vertical beam 22 is arranged close to the lifting mechanism 40, a certain protection effect can be provided for the lifting mechanism 40, and the collision of foreign objects to the lifting mechanism 40 can be reduced.

In one embodiment, as shown in fig. 3, the side wall of the vertical beam 22 is provided with a connecting seat 221 opposite to the guide hole 211, and one end of the lifting mechanism 40 is connected to the connecting seat 221, and the other end is hinged to the sliding member 32. Namely, on the basis that the vertical beam 22 is arranged close to the lifting mechanism 40 and plays a certain protection role on the lifting mechanism 40, one end of the lifting mechanism 40 is further directly connected to the connecting seat 221 on the vertical beam 22, and further the structure of the whole lining trolley 10 is simpler and more compact.

In one embodiment, as shown in fig. 3, in order to simplify the hinge structure between the lifting mechanism 40 and the sliding member 32, two third ear plates 325 are disposed at one end of the sliding member 32 extending above the bottom beam 21, and the lifting mechanism 40 is hinged between the two third ear plates 325 through a hinge shaft, so as to facilitate manufacture and disassembly.

In an embodiment, as shown in fig. 1, 4 and 5, a plurality of traveling wheel assemblies 50 are further mounted at the bottom of the portal frame 20, and the plurality of traveling wheel assemblies 50 are used for driving the portal frame 20 to travel, it should be noted that the plurality of traveling wheel assemblies 50 may be mounted at the right bottom or side bottom of the portal frame 20, for example, the plurality of traveling wheel assemblies 50 are mounted on the surface of the bottom (or the bottom beam 21) of the portal frame 20 facing the ground, that is, at the right bottom of the portal frame 20; for another example, the plurality of traveling wheel assemblies 50 are mounted on the side of the bottom of the portal frame 20 (or the bottom beam 21) facing the primary support layer 120 of the tunnel, that is, mounted on the side bottom of the portal frame 20, and the specific configuration can be set according to actual needs.

In the embodiment, the projection of the gantry 20 on the ground is substantially rectangular, the number of the walking wheel assemblies 50 is four, the four walking wheel assemblies 50 are respectively installed at four corners of the gantry 20, and the four walking wheel assemblies 50 are oppositely arranged in pairs at intervals no matter in the transverse direction or the longitudinal direction, so as to support the gantry 20 and drive the gantry 20 to move more balance.

Wherein each of said running wheel assemblies 50 comprises running wheels 51, a steering linkage 52 and a steering drive member 53. Specifically, the steering link 52 may be a round rod structure, one end of which is rotatably connected to the gantry 20, and the other end of which is connected to a rotating shaft of the traveling wheel 51; the steering link 52 may be plate-shaped or cover-shaped, and in this case, the connecting shaft 521 may be rotatably connected to the frame 20, and the rotation of the running wheels 51 to the steering link 52 is not affected. When the running wheels 51 are rotatably mounted on the steering link 52, both ends of the rotating shaft thereof can be rotatably mounted on the steering link 52.

In other embodiments, a rotation bearing is installed between the rotation shaft of the running wheel 51 and the steering linkage 52, so that the running wheel 51 can rotate better to drive the gantry 20 to run. The steering driving component 53 can drive the steering connecting component 52 to rotate so as to drive the running wheels 51 to steer, and the steering driving component 53 can be directly connected with the connecting shaft 521 of the steering connecting component 52, so that the steering connecting component 52 is driven to rotate by directly driving the connecting shaft 521. It is also possible to drive the steering linkage 52 in rotation by means of a third party drive, for example in the form of a toothed engagement. The steering connecting piece 52 can be driven to rotate by the actual steering torque of the steering connecting piece 52, and the actual steering torque can be set according to actual needs.

At least some of the running wheel assemblies 50 are driving wheel assemblies, and each driving wheel assembly further includes a running driving member 54 for driving the running wheels 51 to rotate. For example, in this embodiment, the four wheel assemblies 50 are grouped in pairs, with the two sets of wheel assemblies 50 being longitudinally opposite one another, and the two wheel assemblies 50 in each set being laterally opposite one another. Two walking wheel assemblies 50 in one group of walking wheel assemblies 50 are driving wheels, so that the forward and backward movement of the lining trolley 10 can be better controlled, the lining trolley can be rapidly and smoothly moved forward or backward to a required position, the operation is very convenient, and the construction efficiency is greatly improved.

Of course, where conditions permit, the other set of wheel assemblies 50 may be configured as a primary wheel rather than a driven wheel, i.e., each wheel assembly 50 is a primary wheel, such that the control of the wheels 51 is more comprehensive and the movement of the lining trolley 10 is better controlled.

The utility model discloses lining cutting platform truck 10 directly drives whole portal 20 through a plurality of walking wheel subassembly 50 and removes, and need not lay the rail in the tunnel, and each walks walking wheel subassembly 50 and can both turn to through turning to connecting piece 52 and steering drive piece 53, realized the action wheel and from the driving wheel mutual independence and can both turn to the effect, make lining cutting platform truck 10 simple structure not only, the equipment is convenient, can also advance forward or turn to in a flexible way backward the in-process that backs, automatic deviation rectification. Additionally, the utility model discloses lining cutting platform truck 10's principal and subordinate driving wheel all turns to, and then is favorable to cooperating sideslip mechanism 30 to realize the quick centering adjustment of platform truck more, promotes lining cutting efficiency of construction.

In an embodiment, as shown in fig. 4 or fig. 5, the steering driving member 53 is a telescopic structure, and may be specifically a cylinder, a hydraulic cylinder, or the like. In this embodiment, the steering drive member 53 extends in a longitudinal direction and has one end rotatably connected to the mast 20 and the other end connected directly to the steering linkage 52 or indirectly through an intermediate linkage. Specifically, the steering driving member 53 has at least a spacing component in the transverse direction between the connecting position on the steering connecting member 52 and the connecting shaft 521, so that the steering driving member 53 applies a steering torque to the steering connecting member 52 when performing telescopic motion, and further drives the steering connecting member 52 to rotate and drive the running wheels 51 to steer. It will be appreciated that the steering drive member 53 is a telescopic structure and drives the steering linkage 52 with a steering torque, which not only allows the road wheel assembly 50 to be of simple construction and easy to assemble, but also facilitates steering of the road wheels 51.

In one embodiment, as shown in fig. 4 or 5, the steering linkage 52 includes a connecting shaft 521 and a mounting base 522 rotatably connected to the gantry 20 through the connecting shaft 521, the mounting base is connected to the steering driving member 53, and the traveling wheels 51 are rotatably mounted on the mounting base 522. In the present embodiment, the mounting seat 522 has a substantially cover structure with an opening facing downward, the traveling wheel 51 partially extends into the mounting seat 522, and two ends of the rotating shaft are rotatably mounted on two seat plates opposite to the mounting seat 522. Therefore, the structure of the connecting piece is simpler, the strength is better, and the walking wheels 51 can be conveniently dismounted and maintained.

In an embodiment, as shown in fig. 4 or 5, a convex plate 523 is disposed on the mounting seat 522, the convex plate 523 extends in a direction away from the connecting shaft 521, a convex pillar extending vertically is disposed on the convex plate 523, and the steering driving element 53 is hinged to the convex pillar. The arrangement of the convex plate 523 is beneficial to increasing the steering torque of the steering driving piece 53 to the steering connecting piece 52, so that the steering connecting piece 52 can be better driven to rotate when the steering driving piece 53 with smaller specification is used.

In one embodiment, as shown in fig. 4 or 5, since the convex plate 523 serves as a force bearing point for the steering driving element 53 to drive the steering connecting seat 221 and protrudes out of the mounting seat 522, in order to increase the structural strength at the position of the convex plate 523, a plate surface of the convex plate 523 away from the convex column is connected with a reinforcing rib.

In one embodiment, the mounting base 522 of the drive wheel assembly is further provided with a mounting boss on which the travel drive member 54 is mounted, so that the travel drive member 54 can rotate with the travel wheels 51 when the travel wheels 51 are steered, and further the structure of the travel wheel assembly 50 is more compact.

In one embodiment, the running wheels 51 are rubber wheels, allowing for better walking and steering of the lining trolley 10. In other embodiments, as shown in fig. 4 or 5, the running wheels 51 are of a double-row structure, so that the pressure of the lining trolley 10 on each rubber wheel can be reduced, each rubber wheel in the double-row wheel is not overloaded, and the normal running and service life of the running wheels 51 are ensured.

In one embodiment, as shown in fig. 1, 6 to 8, the lining trolley 10 further includes a movable formwork 60 and a laying trolley 90, the gantry 20 is further provided with an arc-shaped rail 23, the movable formwork 60 is movably mounted on the gantry 20 and is used for enclosing a filling space 70 with the primary support layer 120, and the filling space 70 is used for filling the bonding material 80. The laying trolley 90 is movably mounted on the arc-shaped rail 23 and can lay the waterproof board 110 on the movable template 60, so that the waterproof board 110 is adhered to the primary support layer 120 through the adhesive material 80.

In this embodiment, the gantry 20 is provided with an arc-shaped rail 23, the arc-shaped rail 23 is used for the movement of the laying trolley 90, and the radian of the arc-shaped rail 23 is adapted to the radian of the tunnel where the waterproof board 110 is required to be laid. The laying carriage 90 may be mounted directly on the curved track 23 or indirectly on the curved track 23 via a connection. For example, two arc rails 23 may be provided, two arc rails 23 are respectively provided at both sides of the gantry 20 in the longitudinal direction, and the laying trolley 90 may be installed between the two arc rails 23 through a connection rod, and the connection rod drives the laying trolley 90 to move. Or each arc-shaped track 23 is respectively provided with a laying trolley 90 which can be set according to the actual situation.

In this embodiment, the movable template 60 is the arc structure and with the tunnel adaptation that needs laid, and the movable template 60 is the mode of arc structure has the multiple, can be that the movable template 60 sets to the overall structure of an inseparable and be the arc structure, also can be that the movable template 60 is formed by polylith sub-template swing joint, and a plurality of sub-templates can change mutual positional relation through the activity, and then make whole movable template 60 demonstrate the arc structure with the tunnel adaptation.

The movable template 60 is movably installed on the door frame 20 and is used for enclosing a filling space 70 with the primary support layer 120, and the filling space 70 is used for filling the bonding material 80. Specifically, in this embodiment, the movable mold plate 60 includes a top mold 61 and two sets of side molds 62, and the top mold 61 may be connected to the gantry 20 through an air cylinder, an oil cylinder, or a hydraulic cylinder, so that the top mold 61 may move up and down to be close to or away from the primary support layer 120. Or the top mold 61 may be fixed on the gantry 20, and the lifting of the top mold 61 may be realized by driving the gantry 20 to lift by the lifting mechanism 40, which may be determined according to the actual situation.

The two groups of side dies 62 are respectively hinged to two opposite sides of the top die 61 in the transverse direction, each group of side dies 62 is movably connected with the door frame 20 through a telescopic part, and the telescopic part can be an air cylinder, an oil cylinder or a hydraulic cylinder. Before the adhesive material 80 is filled, the side mold 62 can be contracted to reduce the space occupied by the lining trolley 10, so that the lining trolley 10 is convenient to move, center and the like, the situation that the side mold is easy to collide with a tunnel in the moving or centering process is avoided, and the construction efficiency is improved.

In addition, there are various ways for the movable mold 60 and the primary support layer 120 to enclose the filling space 70, and the movable mold 60 may be directly manufactured into a semi-enclosed structure having an opening, and when the movable mold 60 moves to the primary support layer 120 and abuts against the primary support layer 120, the primary support layer 120 may seal the opening on the movable mold 60, thereby enclosing the filling space 70. The movable die plate 60 may be moved to face the primary support layer 120 with a certain gap therebetween, and then both side ports in the longitudinal direction and both side openings in the transverse direction may be blocked by the end dies 64, the small side dies 63, the blocking air bags 65, or the like. Or the movable template 60, the primary support layer 1 part where the waterproof board 110 is to be laid and the primary support layer 1 part where the waterproof board 110 is already laid cooperate with each other to enclose the filling space 70 together, thereby increasing the laying continuity between the sections of the waterproof board 110 (to explain that the lining trolley 10 is generally laid forward section by section along the extending direction of the tunnel when laying the waterproof board 110)

Before the movable template 60 and the primary support layer 120 enclose the filling space 70, the waterproof board 110 is laid on the movable template 60 by the laying cart 90, specifically, the waterproof board 110 is laid on the surface of the movable template 60 opposite to the primary support layer 120, and after the filling space 70 is filled with the adhesive material 80, the waterproof board 110 can be adhered to the primary support layer 120 by the adhesive material 80. Among them, the adhesive material 80 may be a material having fluidity such as lightweight concrete, adhesive mortar, or the like and having adhesiveness when cured.

The filling space 70 may be filled with the adhesive 80 in various ways, and the filling space 70 may be filled with a slip casting with a mold, or the filling space 70 may be filled with the adhesive 80 through a slip casting pipe by opening a slip casting port in the end mold 64 of the movable mold 60.

The utility model discloses lining cutting platform truck 10 is when laying waterproof board 110, can be earlier through laying that dolly 90 is quick lay waterproof board 110 on the movable mould board 60's surface, movable mould board 60 drives waterproof board 110 again to just propping up layer 120 motion and with just propping up layer 120 and enclose and close out filling space 70, at last with bonding material 80 like light concrete, bonding mortar etc. fill to filling space 70 in can. It can be understood that, when filling lightweight concrete, because the waterproof board 110 is attached on the surface of the movable template 60, and the movable template 60 can provide enough support for the waterproof board 110, the surface that the bonding material 80 and the waterproof board 110 are bonded is flat and uniform, and then the waterproof board 110 can be flatly and uniformly laid on the uneven primary support layer 120, and the waterproof board 110 is prevented from being distorted, stretched or torn when being laid.

In one embodiment, as shown in fig. 6, in order to prevent the adhesive material 80 from leaking from both sides of the movable die plate 60 in the transverse direction when the adhesive material 80 is filled, the free end of each set of the side dies 62 is hinged with a small side die 63, and the small side die 63 is used for blocking the outlet of the filling space 70 at the small side wall 131 of the tunnel. Specifically, the tunnel has an inverted arch layer 130 vertically opposite to the branch layer, a filling layer for driving the lining truck 10 or the vehicle is laid on the inverted arch layer 130, and small side walls 131 adjacent to or engaged with the branch layer are formed on both sides of the inverted arch layer 130 in the lateral direction. After the movable formwork 60 is lifted and unfolded, the free end of each side formwork 62 is correspondingly positioned at the small side wall 131 and is spaced from the small side wall 131, and at the moment, the small side formwork 63 can be driven to be abutted and fixed with the support layer or the small side wall 131, so that the outlet of the filling space 70 at the small side wall 131 of the tunnel is sealed.

In other embodiments, as shown in fig. 6 and 7, the waterproof sheet 110 laid in the inverted arch layer 130 extends from the small side walls 131 on both sides, so that the waterproof sheet 110 laid on the supporting layer and the waterproof sheet 110 extending from the small side walls 131 can be welded, and then the small side forms 63 are driven, so that the two welded waterproof sheets 110 can be attached to the small side forms 63, thereby not only preventing the adhesive material 80 from leaking from the small side walls 131, but also increasing the flatness of the waterproof sheet 110 when laid.

In one embodiment, as shown in fig. 8, in order to facilitate the spreading of the waterproof sheet 110 on the movable die plate 60 and the enclosing of the movable die plate 60 and the support layer into the filling space 70, the movable die plate 60 further comprises an end die 64 and a plugging air bag 65, and the end die 64 and the plugging air bag 65 are detachably mounted between the movable die plate 60 and the support layer 120 for plugging the port of the filling space 70 in the extending direction of the tunnel. Specifically, after the top die 61 and the side die 62 of the movable die plate 60 move to positions opposite to the supporting layer and spaced by a certain gap, the end die 64 and the plugging air bag 65 can be directly installed between the movable die plate 60 (including the top die 61 and the side die 62), so that a filling space 70 is defined between the movable die plate 60 and the supporting layer, and the operation is simple and convenient, and the flexibility is strong.

While the filling space 70 generally has two ports in the direction of extension of the tunnel, two sets of end molds 64 and blocking bladders 65 may be provided to block the two ports, respectively. Only one group of end molds 64 can be arranged to block the air bags 65, one of the two ports is blocked by the end molds 64 and the blocking air bags 65, and the other port is blocked by the part of the primary support layer 1 where the waterproof board 110 is already laid, namely, the movable mold plate 60 can be overlapped with the part of the primary support layer 1 where the waterproof board 110 is already laid by a certain distance, so that the end surface of the part of the primary support layer 1 where the waterproof board 110 is already laid blocks the port of the filling space 70.

In one embodiment, in order to make the laying carriage 90 move more stably when pulling the waterproof board 110, two arc rails 23 are provided, and the two arc rails 23 are respectively provided at both sides of the gantry 20. Specifically, the two arc-shaped rails 23 can jointly support one laying trolley 90, so that the stability of the laying trolley 90 in pulling the waterproof board 110 to move is improved; the laying trolley 90 can be movably mounted on each arc-shaped rail 23 to more stably pull the waterproof board 110.

In other embodiments, the paving cart 90 is provided with an up-flow welder, so that the currently paved waterproof board 110 can be conveniently and quickly welded with the adjacent paved waterproof board 110 in a circumferential direction, or the lengths of the waterproof boards 110 paved on the movable formwork 60 in the circumferential direction can be welded in the circumferential direction.

In one embodiment, as shown in fig. 1, the bottom of the gantry 20 is further provided with a flashing bracket 100, the flashing bracket 100 is used for placing a flashing 110 to be laid, and the laying trolley 90 can pull the flashing 110 out of the flashing bracket 100. Specifically, in the present embodiment, the flashing bracket 100 is disposed near one side of the door frame 20 in the transverse direction, and the flashing bracket 100 includes two frame bodies disposed opposite and spaced apart from each other in the longitudinal direction, each frame body having a hook or a limiting groove. The initial state of the flashing 110 is a roll of flashing 110 wound on a rod by means of which the roll of flashing 110 is rotatably mounted on two frames. This facilitates the pulling of the flashing 110 from the roll of flashing 110 by the laying trolley 90.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A traversing mechanism for centering adjustment of a lining trolley, the traversing mechanism comprising:

the base is provided with a transverse guide rail;

2. The traversing mechanism according to claim 1, wherein the telescopic driving member comprises a cylinder and a piston, the piston extends from the cylinder and is connected to the sliding member, one end of the cylinder from which the piston extends into the through hole, and the other end is connected to the base.

3. The traversing mechanism according to claim 2, wherein the piston is articulated with the sliding member and/or the cylinder is articulated with the base.

4. The traversing mechanism according to claim 3, wherein the sliding member is provided with two first opposing lug plates, and the piston is hinged between the two first lug plates through a hinge shaft; and/or, be equipped with two relative second otic placodes on the base, the cylinder body through articulated axle articulated with between two second otic placodes.

5. The traversing mechanism according to claim 1, wherein the transverse guide comprises two parallel and spaced-apart opposite guide bars, the guide bars being disposed on the top surface of the base and having a guide surface facing the other guide bar and a stop surface facing the top surface of the base;

the sliding part is provided with a sliding part which is arranged between the two guide surfaces in a sliding way and is limited between the limiting surface and the top surface of the base.

6. The traversing mechanism according to claim 5, wherein the sliding part is of a plate-like structure.

7. The traversing mechanism according to claim 5, wherein the sliding member further has a connecting portion provided with the through hole, one end of the connecting portion is connected with the sliding portion, the other end is used for connecting with the lining trolley, and a reinforcing plate is further connected between the side surface of the connecting portion and the top surface of the sliding portion.

8. The traversing mechanism according to any one of claims 1 to 7, wherein the base is provided with one or more weight-reducing slots and/or wherein the base is provided with one or more reinforcing ribs.

9. A lining trolley including a mast and a traversing mechanism according to any of claims 1 to 8, said traversing mechanism being provided in plurality, a plurality of said traversing mechanism being mounted to the bottom of said mast.

10. A lining trolley as claimed in claim 9 further comprising a lifting mechanism connected at one end to the mast and at the other end to the slide of the traversing mechanism.