Roller mechanism for concrete wet spraying machine

Abstract

The utility model relates to the technical field of engineering construction, in particular to a roller mechanism for a concrete wet spraying machine, which comprises a roller main body, a mounting seat and a sliding base, the idler wheel body is installed on the installation base, a groove is formed in the sliding base, and the installation base is embedded into the groove. The mounting base is matched with the groove of the sliding base, so that the roller mechanism is more convenient to disassemble and assemble, when the roller needs to be replaced, the mounting base is firstly withdrawn from the groove of the sliding base, then the roller is withdrawn from the sliding rail, the whole structure (the sliding base and the roller main body) does not need to be withdrawn from the sliding rail, operation is convenient and rapid, and time and labor are saved. And the replacement time and cost are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering construction technical field, concretely relates to a kind of roller mechanism for concrete wet spraying machine. BACKGROUND

[0002] During tunnel engineering construction, concrete wet spraying machine is usually used for concrete construction, and an arm support sliding system is provided on the concrete wet spraying machine to realize telescopic sliding of the arm support, and the roller mechanism is an important component of the arm support sliding system.

[0003] The existing roller mechanism, as shown in FIG. Figure 1 The roller body is installed in the mounting hole of the sliding base and is fixed by the limiting device, and after installation, the roller of the roller body is located in the sliding track. Due to the limitation of the track groove of the sliding track, if the damaged roller is to be replaced, the entire structure with the roller body installed needs to be withdrawn from the sliding track, which is relatively complex to operate and time-consuming and laborious.

[0004] Therefore, there is an urgent need to provide a roller mechanism for concrete wet spraying machine to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a roller mechanism for concrete wet spraying machine, and the specific technical solutions are as follows:

[0006] A roller mechanism for concrete wet spraying machine, comprising a roller body, a mounting seat and a sliding base; the roller body is installed on the mounting seat, the sliding base is provided with a groove, and the mounting seat is embedded in the groove.

[0007] Further, the groove on the sliding base is a U-shaped groove; the mounting seat comprises a protruding part and a connecting part, the protruding part is embedded in the U-shaped groove, and the connecting part is fixedly connected with the sliding base by a bolt.

[0008] Further, the sliding base is provided with a limiting groove one, and the limiting groove one is matched with the connecting part.

[0009] Further, the protruding part is provided with an extension edge in the circumferential direction.

[0010] Further, the protruding part is provided with a mounting hole, the roller body is provided with a pin shaft, and the pin shaft is arranged in the mounting hole.

[0011] Further, a copper bush is arranged between the mounting hole and the pin shaft.

[0012] Further, the free end of the pin shaft is connected with a limiting device, and the limiting device is used to limit the axial movement of the pin shaft in the mounting hole.

[0013] Further, the limiting device comprises a limiting plate and a bolt two, the limiting plate is connected with the free end of the pin shaft through the bolt two;

[0014] The end of the mounting hole away from the roller body is provided with a limiting groove two, and the limiting plate is arranged in the limiting groove two.

[0015] Further, the roller body comprises a roller mounting seat and a roller, and the roller is arranged on the roller mounting seat.

[0016] Further, the roller is provided with a plurality of groups, and the plurality of groups of rollers are rolling connected in the sliding track.

[0017] The technical scheme of the utility model has the following beneficial effects:

[0018] (1) The utility model provides a roller mechanism for concrete wet spraying machine, including roller body, mounting seat and sliding base, the roller body is installed on the mounting seat, the sliding base is provided with recess, the mounting seat is embedded in the recess setting. Through the cooperation of the mounting seat and the recess of the sliding base, the disassembly and assembly of the roller mechanism are more convenient, when the roller needs to be replaced, the mounting seat is withdrawn from the recess of the sliding base first, and then the roller is withdrawn from the sliding track, the whole structure (the sliding base and the roller body) does not need to be withdrawn from the sliding track, so that the operation is convenient and fast, time and cost are saved.

[0019] (2) In the utility model, the sliding base is provided with a limiting groove one, the limiting groove one is matched with the connecting part, the transverse movement of the mounting seat is limited, and the fastening installation of the bolt one is facilitated.

[0020] (3) In the utility model, the convex part is provided with an extension edge in the circumferential direction, the extension edge plays a guiding role when the mounting seat is embedded in the recess of the sliding base, simultaneously limits the left and right movement of the mounting seat, and guarantees the stability of the installation of the mounting seat and the sliding base.

[0021] (4) In the embodiment, the free end (the end away from the roller body) of the pin shaft is connected with a limiting device, the limiting device is used for limiting the axial movement of the pin shaft in the mounting hole, and stable connection of the roller body and the mounting seat is realized.

[0022] In addition to the purposes, characteristics and advantages described above, the utility model has other purposes, characteristics and advantages. The utility model will be further explained in detail below with reference to the drawings. DRAWINGS

[0023] The drawings that constitute a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0024] Figure 1 is a structural schematic diagram of a roller mechanism for a concrete wet spraying machine in the prior art;

[0025] Figure 2 is a schematic diagram of a roller mechanism for a concrete wet spraying machine in an embodiment of the present utility model;

[0026] Figure 3 is a three-dimensional structural schematic diagram of a roller mechanism for a concrete wet spraying machine in an embodiment of the present utility model;

[0027] Figure 4 is a structural schematic diagram of a mounting seat;

[0028] Among them, 1, roller main body, 1.1, roller mounting seat, 1.2, roller, 2, mounting seat, 2.1, convex part, 2.2, connecting part, 2.3, extension edge, 2.4, mounting hole, 2.5, limit slot two, 3, sliding base, 3.1, limit slot one, 4, bolt one, 5, pin shaft, 6, copper sleeve, 7, limiting device, 7.1, limiting plate, 7.2, bolt two, 8, sliding rail, 9, thread hole one, 10, thread hole two. DETAILED DESCRIPTION

[0029] The embodiments of the present utility model will be described in detail below with reference to the drawings, but the present utility model can be implemented in various different ways as defined and covered.

[0030] In the description of the present utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present utility model.

[0031] In addition, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0032] EMBODIMENT

[0033] Referring to Figures 2-4The embodiment provides a roller mechanism for a concrete wet spraying machine, which comprises a roller main body 1, a mounting seat 2 and a sliding base 3; the roller main body 1 is mounted on the mounting seat 2, and the sliding base 3 is provided with a groove, and the mounting seat 2 is embedded in the groove.

[0034] Referring to Figure 2 , the roller main body 1 comprises a roller mounting seat 1.1 and rollers 1.2, the rollers are provided in multiple groups, and the multiple groups of rollers 1.2 are arranged on the roller mounting seat 1.1 through bolts. After the roller main body 1 is mounted on the sliding base 3 through the mounting seat 2, the multiple groups of rollers 1.2 are rollingly connected in the sliding track 8.

[0035] In the embodiment, when the rollers need to be replaced, the mounting seat 2 is first taken out of the groove of the sliding base 3, and then the rollers 1.2 are taken out of the sliding track 8, without the need of taking out the whole structure (the sliding base and the roller main body) from the sliding track 8, so that the operation is convenient and fast, and the replacement time and cost are saved.

[0036] Referring to Figure 3 and Figure 4 , the groove on the sliding base 3 is a U-shaped groove; the mounting seat 2 comprises a protruding part 2.1 and a connecting part 2.2, both ends of the connecting part 2.2 protrude from the protruding part 2.1; the protruding part 2.1 is embedded in the U-shaped groove, and both ends of the connecting part 2.2 are provided with threaded holes one 9, and both ends of the connecting part 2.2 are fixedly connected with both ends of the opening of the U-shaped groove of the sliding base 3 through bolts one 4 penetrating the threaded holes one 9.

[0037] In the embodiment, referring to Figure 4 , both ends of the connecting part 2.2 are also provided with threaded holes two 10, so that the mounting seat 2 can be easily taken out.

[0038] In the embodiment, referring to Figure 3 , preferably, the sliding base 3 is provided with a limiting groove one 3.1, the limiting groove one 3.1 is matched with the connecting part 2.2, and the transverse movement of the mounting seat 2 is limited.

[0039] More preferably, referring to Figure 4 , the protruding part 2.1 is provided with an extension edge 2.3 in the circumferential direction, the extension edge 2.3 plays a guiding role when the mounting seat 2 is embedded in the groove of the sliding base 3, simultaneously limits the left-right movement of the mounting seat 2, and guarantees the stability of the mounting of the mounting seat 2 and the sliding base 3.

[0040] In the embodiment, the protruding part 2.1 is provided with mounting holes 2.4, the mounting holes 2.4 are provided with copper sleeves 6, one side of the roller mounting seat 1.1 away from the rollers 1.2 is provided with a pin shaft 5, and the pin shaft 5 is arranged by penetrating the copper sleeves 6.

[0041] Referring to Figure 2 and Figure 3 The free end (the end away from the roller body 1) of the pin shaft 5 is connected to a limiting device 7, which is used to limit the axial movement of the pin shaft 5 in the mounting hole 2.4.

[0042] Specifically, the limiting device 7 includes a limiting plate 7.1, which is connected to the free end of the pin shaft 5 through a bolt 7.2; a limiting groove 2.5 is arranged at the end away from the roller body 1 in the mounting hole 2.4, the inner diameter of the limiting groove 2.5 matches the outer diameter of the limiting plate 7.1, and the limiting plate 7.1 is arranged in the limiting groove 2.5 to limit the axial movement of the pin shaft 5 in the mounting hole 2.4, thereby realizing the stable connection of the roller body 1 and the mounting seat 2.

[0043] Specific installation is as follows: the roller 1.2 is installed on the roller mounting seat 1.1, the pin shaft 5 is welded on the roller mounting seat 1.1; the copper sleeve 6 is installed in the mounting hole 2.4 of the mounting seat 2; the pin shaft 5 is inserted into the copper sleeve 6 and fixed by the limiting device 7; the mounting seat 2 with the roller body 1 is embedded in the U-shaped groove of the sliding base 3, and the mounting seat 2 is fixed on the sliding base 3 through the bolt 4, and the roller 1.2 is located on the sliding track 8, thereby completing the installation of the roller mechanism.

[0044] When the roller 1.2 needs to be replaced, the bolt 4 is disassembled, the mounting seat 2 is ejected through the threaded hole 2, and the roller 1.2 is withdrawn from the sliding track 8, so that the roller 1.2 can be replaced, which is convenient to operate, saves replacement time, and reduces replacement cost.

[0045] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A roller mechanism for a concrete wet shotcrete machine, characterized in that, Including the roller main body (1), the mounting seat (2) and the sliding base (3), the roller main body (1) is installed on the mounting seat (2), and the sliding base (3) is provided with a groove, and the mounting seat (2) is embedded in the groove.

2. A roller mechanism for a concrete wet shotcrete machine according to claim 1, characterized in that The groove on the sliding base (3) is a U-shaped groove, the mounting seat (2) includes a protruding part (2.1) and a connecting part (2.2), the protruding part (2.1) is embedded in the U-shaped groove, and the connecting part (2.2) is fixedly connected with the sliding base (3) through a bolt (4).

3. A roller mechanism for a concrete wet shotcrete machine according to claim 2, characterized in that The sliding base (3) is provided with a limiting groove (3.1), and the limiting groove (1) is matched with the connecting part (2.2).

4. A roller mechanism for a concrete wet shotcrete machine according to claim 2, characterized in that The protruding part (2.1) is provided with an extension edge (2.3) along the circumference.

5. A roller mechanism for a concrete wet shotcrete machine according to claim 2, characterized in that The protruding part (2.1) is provided with a mounting hole (2.4), the roller main body (1) is provided with a pin shaft (5), and the pin shaft (5) is arranged in the mounting hole (2.4).

6. A roller mechanism for a concrete wet shotcrete machine according to claim 5, characterized in that The mounting hole (2.4) and the pin shaft (5) are provided with a copper bushing (6).

7. A roller mechanism for a concrete wet shotcrete machine according to claim 5, characterized in that The free end of the pin shaft (5) is connected with a limiting device (7), and the limiting device (7) is used for limiting the axial movement of the pin shaft (5) in the mounting hole (2.4).

8. A roller mechanism for a concrete wet shotcrete machine according to claim 7, characterized in that The limiting device (7) includes a limiting plate (7.1) and a bolt (7.2), the limiting plate (7.1) is connected with the free end of the pin shaft (5) through the bolt (7.2). The end of the mounting hole (2.4) away from the roller main body (1) is provided with a limiting groove (2.5), and the limiting plate (7.1) is arranged in the limiting groove (2.5).

9. A roller mechanism for a concrete wet spraying machine according to any one of claims 1 to 8, wherein, The roller main body (1) includes a roller mounting seat (1.1) and a roller (1.2), and the roller (1.2) is arranged on the roller mounting seat (1.1).

10. A roller mechanism for a concrete wet shotcrete machine according to claim 9, characterized in that The roller (1.2) is provided with a plurality of groups, and the plurality of groups of rollers (1.2) are rollingly connected in the sliding track (8).

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