CN216588628U

CN216588628U - Tunnel country rock slip casting device

Info

Publication number: CN216588628U
Application number: CN202122952120.XU
Authority: CN
Inventors: 王磊; 陈猛; 刘旸; 刘洪涛; 孙双; 李元才
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-24
Anticipated expiration: 2031-11-29

Abstract

A roadway surrounding rock grouting device belongs to the technical field of roadway construction. The pipe orifice fixing device comprises a moving seat, a lifting platform, a lifting rod and a pipe orifice fixing device, wherein the lifting platform is installed at the bottom of the moving seat, the lifting rod is fixedly installed at the top of the moving seat, the pipe orifice fixing device is installed at the lifting end of the lifting rod, the top of the lifting platform is fixedly connected with the bottom of the moving seat, and supporting legs of the moving seat are arranged around the lifting platform. The utility model aims to solve the problems that the existing grouting device is inflexible to use, wastes manpower and has an unstable structure.

Description

Tunnel country rock slip casting device

Technical Field

The utility model relates to a grouting device for surrounding rocks of a roadway, and belongs to the technical field of roadway construction.

Background

In the process of roadway construction, because of the early-stage engineering or the later-stage roadway maintenance, the walls of the roadway are usually needed to be grouted, the aim is to make the structure of the side wall of the roadway more stable, the existing grouting device is more suitable for the early stage project, the device is mostly a supporting structure provided with a grouting opening for supporting, the frame is jointed with the inner side wall of the roadway, the grouting port adopts a fixed mode, for example, a soft rock roadway supporting structure which can be grouted for many times is disclosed in the patent number CN201820095850.8, but in the practical construction, for the consideration of safety and practicality, supports are used to stabilize the side walls at the beginning of the project, so the device is not flexible when in use, when later stage tunnel maintenance needs independent slip casting, the slip casting pipeline need artifical handheld or clamp at slip casting mouthful department, not only extravagant manpower under this state, the structure still extremely unstable, slip casting pipeline easily takes place the phenomenon of skew and droing.

Therefore, it is necessary to provide a new grouting device for surrounding rocks in a roadway to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The present invention has been developed in order to solve the problems of inflexibility in use, waste of manpower, and structural instability of the existing grouting apparatus, and a brief summary of the present invention is provided below to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the utility model is as follows:

the utility model provides a tunnel country rock slip casting device, is including removing seat, elevating platform, lifter and mouth of pipe fixing device, removes the seat bottom and installs the elevating platform, removes seat top fixed mounting and has the lifter, and mouth of pipe fixing device is installed to the lift end of lifter, remove the seat and be square seat, square seat tip is provided with a plurality of landing legs, the top of elevating platform and removal seat bottom fixed connection, and the landing leg of removing the seat arranges the elevating platform in all around.

Preferably: the movable seat comprises at least 3 supporting legs, and universal wheels are arranged at the bottoms of the supporting legs.

In order to solve the problems of fixed grouting pipelines and adjustable direction, the utility model adopts the technical scheme that:

preferably: the bottom of the pipe orifice fixing device is provided with a hinged seat, and the hinged seat is connected with the top of the lifting end of the lifting rod through a locking bolt.

Preferably: the pipe orifice fixing device comprises an outer shell, a lower fixing block, an upper fixing block, a spring, a telescopic rod, a fixing sleeve, a collet and a locking upper cover, wherein the outer shell is of a hollow shell structure with holes at two ends, the lower end inside the outer shell is provided with the lower fixing block, the top of the outer shell is provided with a through hole communicated with the inside, the top of the through hole is fixedly provided with the fixing sleeve, the upper end inside the outer shell is provided with the upper fixing block in a sliding manner, the spring is arranged between the top of the upper fixing block and the outer shell, and the bottom end of the telescopic rod sequentially penetrates through the through hole and the spring, with last fixed block fixed connection, fixed sleeve lateral wall and locking upper cover inside wall screw-thread fit, in the fixed sleeve was arranged in to the collet chuck bottom, the laminating of collet chuck top and locking upper cover inboard, the telescopic link top ran through collet chuck and locking upper cover in proper order, and the telescopic link lateral wall is pressed from both sides tightly to the collet chuck, and the slip casting pipeline dress presss from both sides between lower fixed block and last fixed block.

Preferably: the outer side wall of the telescopic rod is provided with anti-skid threads.

The utility model has the following beneficial effects:

1. the roadway surrounding rock grouting device is suitable for roadway environments under various conditions, the height and the angle can be flexibly adjusted according to grouting ports at different positions, and the use is more convenient and faster;

2. according to the roadway surrounding rock grouting device, a grouting pipeline does not need to be manually held or temporarily clamped during grouting, so that the strength is saved, the whole grouting process is more stable, and slurry splashing caused by dropping of the grouting pipeline is avoided;

3. the roadway surrounding rock grouting device is simple in structure, ingenious in design, convenient to disassemble and assemble, firm in assembly and suitable for popularization and use.

Drawings

FIG. 1 is a perspective view of a roadway surrounding rock grouting device;

FIG. 2 is a schematic view of the nozzle fixing device of the present invention;

FIG. 3 is a side view of a roadway surrounding rock grouting device;

FIG. 4 is a schematic view of a contraction state of a lifting platform of the roadway surrounding rock grouting device;

FIG. 5 is a schematic view of a rotation adjusting mechanism of a roadway surrounding rock grouting device in a use state;

FIG. 6 is a perspective view of the collet of the present invention;

in the figure, 1-a moving seat, 2-a lifting platform, 3-a lifting rod, 4-a nozzle fixing device, 5-a hinged seat, 11-a supporting leg, 31-an outer sleeve, 32-an inner sleeve, 33-a motor, 34-a screw rod, 35-a screw rod nut, 36-a base, 41-an outer shell, 42-a lower fixing block, 43-an upper fixing block, 44-a spring, 45-a telescopic rod, 46-a fixing sleeve, 47-a collet chuck and 48-a locking upper cover.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The connection mentioned in the utility model is divided into fixed connection and detachable connection, the fixed connection is non-detachable connection and includes but is not limited to folding edge connection, rivet connection, bonding connection, welding connection and other conventional fixed connection modes, the detachable connection includes but is not limited to threaded connection, snap connection, pin connection, hinge connection and other conventional detachment modes, when the specific connection mode is not clearly limited, at least one connection mode can be found in the existing connection modes by default to realize the function, and the skilled person can select according to the needs. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 6, and the roadway surrounding rock grouting device of the embodiment comprises a movable seat 1, an elevating platform 2, a lifting rod 3 and a pipe orifice fixing device 4, wherein the elevating platform 2 is installed at the bottom of the movable seat 1, the lifting rod 3 is fixedly installed at the top of the movable seat 1, the pipe orifice fixing device 4 is installed at the lifting end of the lifting rod 3, the movable seat 1 is a square seat, a plurality of supporting legs 11 are arranged at the end part of the square seat, the top of the elevating platform 2 is fixedly connected with the bottom of the movable seat 1, and the supporting legs 11 of the movable seat 1 are arranged around the elevating platform 2. Landing leg 11 leaves ground when elevating platform 2 is tensile, realizes the fixed of device, and when elevating platform 2 contracts, landing leg 11 and ground contact are convenient for promote the transport, and slip casting pipeline card dress is on mouth of pipe fixing device 4, adjusts lifter 3, and lifter 3 drives the slip casting pipeline and rises or descends.

Articulated seat 5 is installed to mouth of pipe fixing device 4 bottom, and articulated seat 5 passes through locking bolt with the lift end top of lifter 3 to be connected, rotates to adjust articulated seat 5 to appointed angle after, screws up locking bolt and realizes angle locking.

The pipe orifice fixing device 4 comprises an outer shell 41, a lower fixing block 42, an upper fixing block 43, a spring 44, an expansion link 45, a fixing sleeve 46, a collet 47 and a locking upper cover 48, wherein the outer shell 41 is a hollow shell structure with holes at two ends, the lower end of the inside of the outer shell 41 is provided with the lower fixing block 42, arc-shaped grooves are processed at one sides, close to one side, of the lower fixing block 42 and the upper fixing block 43, so that a grouting pipeline is fixed conveniently, a through hole communicated with the inside is processed at the top of the outer shell 41, the fixing sleeve 46 is fixedly installed at the top of the through hole, the upper fixing block 43 is arranged at the upper end of the inside of the outer shell 41 in a sliding mode, the spring 44 is arranged between the top of the upper fixing block 43 and the outer shell 41, the bottom end of the expansion link 45 sequentially penetrates through the through hole and the spring 44 and is fixedly connected with the upper fixing block 43, the expansion link 45 is in relative sliding fit with the through hole, and the outer side wall of the fixing sleeve 46 is in threaded fit with the locking upper cover 48, the bottom of a collet 47 is arranged in a fixing sleeve 46, the top of the collet 47 is attached to the inner side of a locking upper cover 48, the top end of an expansion rod 45 sequentially penetrates through the collet 47 and the locking upper cover 48, the outer side wall of the expansion rod 45 is clamped by the collet 47, the large-diameter end of the collet 47 is arranged on one side close to the top of the locking upper cover 48, when the locking device is used, a grouting pipeline is clamped between a lower fixing block 42 and an upper fixing block 43, the upper fixing block 43 exerts acting force on the grouting pipeline under the action of a spring 44, the locking upper cover 48 is screwed manually, the collet 47 in the locking device is tightened, and the expansion rod 45 is clamped by the collet 47, so that locking and fixing are realized.

The processing of the outer side wall of the telescopic rod 45 is provided with anti-skidding threads, so that the locking effect is enhanced, and the falling off is avoided.

Remove seat 1 and include 3 at least

landing legs

11, 11 bottoms of landing leg are provided with the universal wheel, and the universal wheel is convenient for carry.

The lifting platform 2 is a conventional small lifting platform or a small lifter, and the lifting platform is driven by a motor to lift.

A roadway surrounding rock grouting device is used by the following method:

step 1, adjusting the lifting platform 2 to contract until the universal wheels of the movable seat 1 contact with the ground, as shown in fig. 4;

step 2, after the device is pushed to the bottom to designate the position of a grouting opening, adjusting the angle of a pipe orifice fixing device 4, and then screwing a locking bolt;

step 3, adjusting the extension of the lifting platform 2 until the universal wheel of the movable seat 1 is separated from the ground, so as to fix the position, and as shown in fig. 5, avoiding the displacement caused by the instability of the universal wheel during grouting;

and 4, manually pulling the telescopic rod 45 outwards to clamp the grouting pipeline between the lower fixing block 42 and the upper fixing block 43, loosening the telescopic rod 45, and screwing and locking the upper cover 48 to realize the fixation of the grouting pipeline.

And 5, adjusting the height of the lifting rod 3 and the angle of the pipe orifice fixing device 4 again to enable the pipe orifice of the grouting pipeline to be placed at the grouting port, and then beginning grouting.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tunnel country rock slip casting device which characterized in that: including removing seat (1), elevating platform (2), lifter (3) and mouth of pipe fixing device (4), remove seat (1) bottom and install elevating platform (2), remove seat (1) top and install lifter (3), mouth of pipe fixing device (4) are installed to the lift end of lifter (3), remove seat (1) and be square seat, square seat tip is provided with a plurality of landing legs (11), landing leg (11) are arranged around elevating platform (2).

2. The roadway surrounding rock grouting device according to claim 1, characterized in that: articulated seat (5) are installed to mouth of pipe fixing device (4) bottom, and articulated seat (5) are passed through locking bolt and are established and be connected with the lift end top of lifter (3).

3. The roadway surrounding rock grouting device according to claim 2, characterized in that: the pipe orifice fixing device (4) comprises an outer shell (41), a lower fixing block (42), an upper fixing block (43), a spring (44), an expansion rod (45), a fixing sleeve (46), a collet (47) and a locking upper cover (48), wherein the outer shell (41) is of a hollow shell structure with holes at two ends, the lower fixing block (42) is installed at the lower end inside the outer shell (41), a through hole communicated with the inside is processed at the top of the outer shell (41), the fixing sleeve (46) is fixedly installed at the top of the through hole, the upper fixing block (43) is arranged at the upper end inside the outer shell (41) in a sliding mode, the spring (44) is arranged between the top of the upper fixing block (43) and the outer shell (41), the bottom end of the expansion rod (45) sequentially penetrates through the through hole and the spring (44) and is fixedly connected with the upper fixing block (43), and the outer side wall of the fixing sleeve (46) is in threaded fit with the inner side wall of the locking upper cover (48), the bottom of the collet (47) is arranged in the fixing sleeve (46), the top of the collet (47) is attached to the inner side of the locking upper cover (48), and the top end of the telescopic rod (45) sequentially penetrates through the collet (47) and the locking upper cover (48).

4. The roadway surrounding rock grouting device according to claim 3, characterized in that: the outer side wall of the telescopic rod (45) is processed with anti-skid threads.

5. The roadway surrounding rock grouting device according to claim 2, characterized in that: the movable seat (1) comprises at least 3 supporting legs (11), and universal wheels are arranged at the bottoms of the supporting legs (11).