Polishing tool for tunnel side wall formwork

Abstract

The utility model provides a tunnel side wall template polishing tool, which belongs to the technical field of railway and highway tunnel construction and comprises a mounting frame, a polishing component and an elastic moving component. The mounting frame is used for being placed between a side wall and a formwork, and one end of the mounting frame is connected with an operating rod. The grinding assembly comprises an angle grinder and a grinding brush head, the angle grinder is mounted on the side, close to the template, of the mounting frame, the end face of a grinding disc of the angle grinder is parallel to the end face of the template, and the grinding brush head is arranged on the side, close to the template, of the grinding disc; the elastic moving assembly comprises a moving roller and an elastic piece, the elastic piece is installed on the side, close to the side wall, of the installation frame, the moving roller is arranged at the end, close to the side wall, of the elastic piece, and the elastic piece provides elastic force perpendicular to the formwork. Compared with traditional grinding equipment, the grinding tool for the tunnel side wall formwork saves time and labor in operation, greatly improves production efficiency and accelerates production progress.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of railway, highway tunnel construction, more specifically, relate to a tunnel side wall formwork polishing frock. BACKGROUND

[0002] At present, the construction industry is changing to standardization, quality, efficiency, the design speed of high-speed railway is increasing, the tunnel main structure concrete requires one-time forming, and the secondary repair should not be carried out, so as to avoid the traffic safety accidents caused by the repair block falling, especially the tunnel main structure concrete appearance quality is particularly important, and the polishing effect of the formwork directly determines the concrete appearance quality. In construction, new frock and new tool are continuously used to improve labor efficiency and construction quality, and safety and high efficiency are the development trend of future construction industry. Because the gap between the side wall and the formwork is small, the traditional polishing equipment is difficult to enter the gap for polishing work, the formwork trolley needs to be moved forward by 20m to the steel bar binding area, after polishing, it is retreated by 10m to the steel bar binding completed area, and the formwork is set up to pour concrete, and the work efficiency is very low. Secondly, the operation platform needs to be built for the side wall formwork polishing of the operation personnel with a height of more than 5m, and the operation platform is difficult to set up and has low safety due to the influence of the bottom plate embedded steel bar. The formwork of the bottom plate reserved steel bar part is difficult to polish due to the influence of the embedded steel bar, the construction efficiency is low, and the polishing quality is poor. In summary, when the traditional polishing equipment is used for polishing work, not only the operation is time-consuming and labor-consuming, but also the production progress is seriously affected. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a tunnel side wall formwork polishing frock, and aims at solving the problems that when the traditional polishing equipment is used for polishing work, not only the operation is time-consuming and labor-consuming, but also the production progress is seriously affected.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a tunnel side wall formwork polishing frock, which comprises:

[0005] The mounting frame is used for being placed between the side wall and the formwork, one end of the mounting frame is connected with an operating rod;

[0006] The polishing assembly comprises an angle grinder and a polishing brush head, the angle grinder is installed on one side of the mounting frame close to the formwork, the end face of the polishing disc of the angle grinder is parallel to the end face of the formwork, and the polishing brush head is arranged on one side of the polishing disc close to the formwork;

[0007] An elastic moving assembly, comprising a moving roller and an elastic member, the elastic member is installed on the mounting frame near one side of the side wall, the moving roller is arranged on one end of the elastic member near the side wall, the elastic member provides elastic force perpendicular to the template, for pressing the moving roller against the side wall and the polishing brush head against the template.

[0008] In a possible implementation, the angle grinder is fixed to the mounting frame near one side of the template by a hoop buckle.

[0009] In a possible implementation, the angle grinder is provided with an elastic pad layer away from one side of the mounting frame, and the hoop buckle is buckled on the elastic pad layer.

[0010] In a possible implementation, the polishing brush head is a ring-shaped brush head, which is arranged on the end surface of the polishing disc in a circumferential direction.

[0011] In a possible implementation, the elastic member is a spring, which is connected vertically between the mounting frame and the moving roller.

[0012] In a possible implementation, two ear plates are arranged at intervals on one end of the mounting frame, one end of the operating rod is located between the two ear plates, and the operating rod is connected by a bolt vertically penetrating the two ear plates and the operating rod.

[0013] In a possible implementation, the operating rod is a telescopic rod.

[0014] In a possible implementation, the mounting frame comprises two parallel mounting frames, the two mounting frames are fixed by welding through a plurality of connecting square steels, and four angle grinders and four elastic members are respectively installed on four corners of the two mounting frames on opposite sides.

[0015] In a possible implementation, the mounting frame comprises two transverse square steels and two longitudinal square steels, the two transverse square steels and the two longitudinal square steels are sequentially and fixedly connected end to end.

[0016] In a possible implementation, the mounting frame further comprises a middle square steel, the middle square steel is vertically connected to the two longitudinal square steels and located between the two transverse square steels.

[0017] The tunnel side wall formwork polishing tool has the advantages that, compared with the prior art, the operating personnel holds the operating rod to place the mounting frame between the side wall and the formwork, the polishing assembly is on the side of the formwork, and the elastic moving assembly is on the side of the side wall. The formwork trolley oil cylinder slightly jacks up to make the formwork tightly extrude the polishing tool between the formwork and the side wall, the elastic member of the polishing tool is in a compressed state, the elastic member provides an elastic force perpendicular to the formwork, so that the moving roller is abutted against the side wall, and the polishing brush head of the polishing disc is abutted against the formwork. Then the angle grinder is started, the polishing disc of the angle grinder drives the polishing bristles to rotate to polish the formwork. The operating personnel drives the mounting frame to move through the operating rod, and finally completes the polishing operation of all areas of the formwork. The tunnel side wall formwork polishing tool provided by the utility model can be operated by the operating personnel standing on the upper operating platform of the formwork, after polishing is completed, the formwork trolley is moved forward to the steel bar binding completed area, and the concrete can be poured after the formwork trolley is erected. The formwork trolley does not need to be moved back and forth, does not need to be erected on the operating platform, and is not interfered by the bottom plate embedded steel bar. Compared with the traditional polishing equipment, the polishing tool not only saves time and labor in operation, but also greatly improves the production efficiency and speeds up the production progress. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0019] Figure 1 It is a front view of the tunnel side wall formwork polishing tool provided by the utility model embodiment;

[0020] Figure 2 It is a side view of the tunnel side wall formwork polishing tool provided by the utility model embodiment (remove operating rod);

[0021] Figure 3 It is a top view of the tunnel side wall formwork polishing tool provided by the utility model embodiment (remove operating rod);

[0022] Figure 4 It is a use state diagram of the tunnel side wall formwork polishing tool provided by the utility model embodiment.

[0023] In the drawing: 1, horizontal square steel;2, longitudinal square steel;3, middle square steel;4, connecting square steel;5, angle grinder;6, polishing brush head;7, hoop buckle;8, elastic pad;9, elastic member;10, moving roller;11, ear plate;12, bolt;13, operating rod;14, polishing disc. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved more clearly, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model.

[0025] Unless otherwise explicitly defined, the terms such as "first", "second" or "third" are used only to distinguish different objects, and are not used to describe a specific order.

[0026] Unless otherwise explicitly defined, for the orientation words, such as the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "back", "left", "right", "clockwise", "counterclockwise", "high", "low" and the like indicate the orientation or positional relationship based on the orientation and positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as limiting the specific protection scope of the utility model.

[0027] Please refer to Figures 1 to 4 A tunnel side wall formwork polishing tool provided by the utility model will be described. A tunnel side wall formwork polishing tool, comprising a mounting frame, a polishing assembly and an elastic moving assembly.

[0028] The mounting frame is used to be placed between the side wall and the formwork, and one end of the mounting frame is connected with an operating rod 13; the polishing assembly comprises an angle grinder 5 and a polishing brush head 6, the angle grinder 5 is installed on the side of the mounting frame close to the formwork, the end face of the polishing disc 14 of the angle grinder 5 is parallel to the end face of the formwork, and the polishing brush head 6 is arranged on the side of the polishing disc 14 close to the formwork; the elastic moving assembly comprises a moving roller 10 and an elastic piece 9, the elastic piece 9 is installed on the side of the mounting frame close to the side wall, the moving roller 10 is arranged on the end of the elastic piece 9 close to the side wall, and the elastic piece 9 provides an elastic force perpendicular to the formwork, so as to abut the moving roller 10 against the side wall and abut the polishing brush head 6 against the formwork.

[0029] The utility model provides a kind of tunnel side wall formwork polishing tool, compared with prior art, operating personnel hand-held operating lever 13 is placed between side wall and formwork, polishing assembly is towards the side of formwork, elastic moving assembly is towards the side of side wall.Formwork trolley oil cylinder slightly jacks up, so that the polishing tool is tightly extruded between formwork and side wall, elastic member 9 of polishing tool 9 is in compression state, elastic member 9 provides the elastic force perpendicular to formwork, so that moving roller 10 is abutted on side wall, and the polishing brush head 6 of polishing disc 14 is abutted on formwork.After starting angle grinder 5, the polishing disc 14 of angle grinder 5 drives polishing bristle to rotate to polish formwork.Operating personnel moves installation frame by operating lever 13, and finally completes the polishing operation of all areas of formwork.The utility model provides a kind of tunnel side wall formwork polishing tool, operating personnel can operate on the upper operating platform of formwork, after polishing, formwork trolley is moved to the area of steel banding, and is set up after pouring concrete.Formwork trolley does not need to move back and forth, does not need to set up operating platform, and is not interfered by bottom plate embedded steel.Compared with traditional polishing equipment, the polishing tool not only saves time and effort, but also greatly improves production efficiency and speeds up production progress.

[0030] Please refer to Figure 1 And Figure 2 Angle grinder 5 is fixed to the side of installation frame close to formwork by hoop buckle 7.Horizontal placement angle grinder 5 is close to the side of installation frame close to formwork, and is tied in the necked area of angle grinder 5 by hoop buckle 7, so as to keep the stable installation of angle grinder 5 on installation frame.

[0031] Specifically, each angle grinder 5 is fixed by two hoop buckles 7, and in addition, the side of angle grinder 5 away from installation frame is provided with elastic pad 8, and the elastic pad 8 is elastic rubber skin, which is attached to the necked area of angle grinder 5, and the hoop buckle 7 is tied on the elastic pad 8, and the elastic pad 8 is deformed under pressure, so that angle grinder 5 is more stable.

[0032] Please refer to Figure 2 Polishing brush head 6 is annular brush head, and the annular brush head is circumferentially arranged on the end face of polishing disc 14.The annular brush head is steel wire brush head, which forms annular structure around the end face of polishing disc 14, and continuously polishes the contact area with formwork with the rotation of polishing disc 14.

[0033] Please refer to Figure 1 And Figure 3The elastic member 9 is a spring, which is vertically connected between the mounting frame and the moving roller 10. One end of the spring is vertically welded on the mounting frame, and the other end is vertically welded on the frame body of the moving roller 10. The moving roller 10 is a universal wheel made of hard nylon material, which is installed on the frame body through a rotating shaft. When the formwork moves towards the side wall, the spring is compressed to have axial elasticity, so that the moving roller 10 is abutted on the side wall and the polishing brush head 6 is abutted on the formwork.

[0034] Please refer to Figures 1 to 3 The mounting frame is provided with two ear plates 11 at one end, and one end of the operating rod 13 is located between the two ear plates 11 and is connected through a bolt 12 vertically penetrating the two ear plates 11 and the operating rod 13. The two ear plates 11 are welded on the upper end of the mounting frame, and the two ear plates 11 are symmetrically arranged left and right. The thickness of the ear plate 11 is 10mm, and the ear plate 11 is provided with a reserved hole of 19.8mm. The lower end of the operating rod 13 is provided with a through hole perpendicular to the axis direction, and the lower end of the operating rod 13 is inserted between the two ear plates 11, and the bolt 12 penetrates the reserved holes of the two ear plates 11 and the through hole of the operating rod 13 to realize the connection of the operating rod 13 and the mounting frame.

[0035] Preferably, the operating rod 13 is a telescopic rod composed of three hollow pipes, the outer diameters of the three hollow pipes are 33mm, 37mm and 41mm respectively, and the wall thickness is 2mm. The three hollow pipes are connected in a plug-in mode, which can realize the length adjustment of the operating rod 13 and the movement of the polishing tool in different depth areas.

[0036] Specifically, the mounting frame includes two parallel mounting frames, and the two mounting frames are fixed by a plurality of connecting square steels 4. Four angle grinders 5 and four elastic members 9 are respectively arranged at four corners of the two mounting frames.

[0037] The mounting frame includes two transverse square steels 1 and two longitudinal square steels 2, which are sequentially and fixedly connected in a head-to-tail mode. The length of the transverse square steel 1 is 140mm, and the length of the longitudinal square steel 2 is 198mm. In addition, the mounting frame further includes a middle square steel 3, which is vertically connected between the two longitudinal square steels 2 and located between the two transverse square steels 1, so as to improve the structural strength of the mounting frame as a whole.

[0038] The tunnel side wall formwork polishing tool is made of conventional and common construction materials and machine tools, has the advantages of fast polishing speed, good polishing effect, high safety, convenient operation, time and labor saving, cost saving, wide application range, and is worth popularizing and applying.

[0039] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tooling for grinding tunnel sidewall formwork, characterized in that, include: An installation frame is used to place between the side wall and the template, and one end of the installation frame is connected to an operating rod (13); A polishing assembly, comprising an angle grinder (5) and a polishing brush head (6), wherein the angle grinder (5) is mounted on the side of the mounting frame near the template, the end face of the polishing disc (14) of the angle grinder (5) is parallel to the end face of the template, and the polishing brush head (6) is disposed on the side of the polishing disc (14) near the template. The elastic moving assembly includes a moving roller (10) and an elastic element (9). The elastic element (9) is mounted on the side of the mounting frame near the side wall. The moving roller (10) is located at the end of the elastic element (9) near the side wall. The elastic element (9) provides elastic force perpendicular to the template for pressing the moving roller (10) against the side wall and pressing the polishing brush head (6) against the template.

2. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, The angle grinder (5) is fixed to the mounting frame near the template by a clamp (7).

3. The tunnel sidewall formwork grinding fixture as described in claim 2, characterized in that, An elastic pad (8) is provided on the side of the angle grinder (5) away from the mounting bracket, and the clamp buckle (7) is tied to the elastic pad (8).

4. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, The polishing brush head (6) is an annular brush head, which is circumferentially disposed on the end face of the polishing disc (14).

5. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, The elastic element (9) is a spring, which is vertically connected between the mounting bracket and the movable roller (10).

6. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, Two ear plates (11) are spaced apart at one end of the mounting bracket, and one end of the operating rod (13) is located between the two ear plates (11) and connected by a pin (12) that passes vertically through the two ear plates (11) and the operating rod (13).

7. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, The operating lever (13) is a telescopic lever.

8. The tunnel sidewall formwork grinding fixture as described in claim 1, characterized in that, The mounting frame includes two parallel mounting frames, which are welded and fixed together by multiple connecting square steels (4). The four angle grinders (5) and the four elastic elements (9) are respectively installed at the four corners of the opposite sides of the two mounting frames.

9. The tunnel sidewall formwork grinding fixture as described in claim 8, characterized in that, The mounting frame includes two transverse square steels (1) and two longitudinal square steels (2), which are welded together end to end in sequence.

10. The tunnel sidewall formwork grinding fixture as described in claim 9, characterized in that, The mounting frame also includes a central square steel (3), which is vertically connected to the two longitudinal square steels (2) and located between the two transverse square steels (1).

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