Portable folding protective cover for cutting head of heading machine

Abstract

The utility model relates to the technical field of cutting head protective covers, and particularly discloses a portable folding type heading machine cutting head protective cover which comprises a control case, first protective plates are fixedly arranged on the two sides of one end of the control case, and a second protective plate is movably arranged at one end of each first protective plate through a rotating shaft. By means of the characteristic that the device is convenient to move and fold, more time and space are saved during use, the device can be operated by one person, the device can be unfolded by rotating the rotating rod, and the device is convenient to use, convenient to use and high in practicability. According to the protective cover for the heading machine, the cutting head is protected, folding of the protective cover can be achieved by reversing the rotating rod, operation is convenient and fast, production efficiency is improved, the protective cover is additionally arranged in front of the heading machine through the design of the external protective cover, influences on functions of the heading machine during operation are reduced, and meanwhile production cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cutting head protective cover, specifically to a light folding type heading machine cutting head protective cover. BACKGROUND

[0002] When the coal mine underground comprehensive heading machine is excavating a roadway, after cutting coal (rock) of the working face each time, the heading machine retreats to a reasonable position, the cutting head is placed on the ground, and then the working face is supported. Because the cutting head of the heading machine is covered with cutting teeth, the working face has a small operation space, and the floor is uneven, in order to prevent personnel from accidentally touching the cutting head and causing unnecessary injury, the cutting head protective cover is processed, and the cutting head protective cover must be covered in time after the cutting head is placed on the ground to protect the operating personnel.

[0003] At present, the cutting head protective cover used is various, without unified standards, most of which are integral fixed structures, most of which are processed by angle steel and metal mesh, and are relatively heavy. Each time the protective cover is moved, 2-3 construction personnel are needed to move it, and due to the frequent use, heaviness and large volume of the protective cover, the original narrow operation space is occupied, etc. During the safety inspection, it is found that some construction personnel do not cover the protective cover to save trouble, which brings safety hazards to the operating personnel. In view of this, a light folding type heading machine cutting head protective cover is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a light folding type heading machine cutting head protective cover to solve the problem that most of the existing technologies are processed by angle steel and metal mesh, which are relatively heavy. Each time the protective cover is moved, 2-3 construction personnel are needed to move it, and due to the frequent use, heaviness and large volume of the protective cover, the original narrow operation space is occupied, etc. During the safety inspection, it is found that some construction personnel do not cover the protective cover to save trouble, which brings safety hazards to the operating personnel. In view of this, a light folding type heading machine cutting head protective cover is proposed.

[0005] To achieve the above object, the utility model provides the following technical scheme: a light folding type heading machine cutting head protective cover, including control machine box, both sides of one end of control machine box are fixedly provided with first protective plate, one end of first protective plate is movably provided with second protective plate through pivot, one end of second protective plate is movably provided with third protective plate through pivot, one end of third protective plate is movably provided with connecting rod through pivot, one end of connecting rod is movably provided with telescopic rod through pivot, two first control cavities are arranged in the inside of control machine box, limit grooves are arranged in both sides of the inside of first control cavity, and one end of telescopic rod is movably arranged in the inside of control machine box through control machine box.

[0006] The one end of the telescopic rod is provided with a screw hole, both sides of the one end of the telescopic rod are fixedly provided with a limiting rod, the one end of the limiting rod is fixedly provided with a roller through a rotating shaft, the one end of the roller is movably arranged at the inner side of the limiting groove, the inner side of the screw hole is movably provided with a screw rod, and the one end of the screw rod is movably arranged at the one end of the inner side of the first control cavity through a bearing.

[0007] The one end of the telescopic rod is provided with a screw hole, both sides of the one end of the telescopic rod are fixedly provided with a limiting rod, the one end of the limiting rod is fixedly provided with a roller through a rotating shaft, the one end of the roller is movably arranged at the inner side of the limiting groove, the inner side of the screw hole is movably provided with a screw rod, and the one end of the screw rod is movably arranged at the one end of the inner side of the first control cavity through a bearing.

[0008] The other end of the control rod is movably arranged in the other first control cavity through the control cabinet, the other end of the control rod is movably arranged at the inner side of the other first control cavity through a bearing, both ends of the control rod are fixedly provided with second bevel gears, and the first bevel gear is movably engaged with the second bevel gear.

[0009] The outer side of the control rod is fixedly provided with a third bevel gear, the second control cavity is movably provided with a rotating rod, the one end of the rotating rod is movably arranged at the inner side of the second control cavity through a bearing, and the other end of the rotating rod is movably arranged at the side, away from the first protective plate, of the outer side of the control cabinet.

[0010] The other end of the control rod is movably arranged in the other first control cavity through the control cabinet, the other end of the control rod is movably arranged at the inner side of the other first control cavity through a bearing, both ends of the control rod are fixedly provided with second bevel gears, and the first bevel gear is movably engaged with the second bevel gear.

[0011] The utility model at least has the following beneficial effects:

[0012] The utility model discloses a convenient folding device for tunneling machine, including control cabinet, the bottom of control cabinet is fixedly provided with the first protective plate, the top of first protective plate is fixedly provided with the second protective plate, the top of second protective plate is fixedly provided with the third protective plate, the bottom of third protective plate is fixedly provided with the fourth protective plate, the top of fourth protective plate is fixedly provided with the cutting head, the bottom of cutting head is fixedly provided with the telescopic rod. ACCURACY OF DRAWINGS

[0013] Figure 1 It is overall structure schematic diagram of the utility model;

[0014] Figure 2 It is internal structure schematic diagram of the utility model from the top;

[0015] Figure 3 It is the enlarged schematic view of the structure at A of the utility model;

[0016] Figure 4 It is the enlarged schematic view of the structure at B of the utility model.

[0017] In the figure: 1, control case; 2, first protective plate; 3, second protective plate; 4, third protective plate; 5, connecting rod; 6, telescopic rod; 7, first control cavity; 8, limiting groove; 9, silk hole; 10, limiting rod; 11, roller; 12, screw rod; 13, first bevel gear; 14, second control cavity; 15, control rod; 16, second bevel gear; 17, third bevel gear; 18, rotating rod; 19, rubber sleeve; 20, anti-skid block; 21, fourth bevel gear; 22, first universal wheel; 23, second universal wheel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Embodiment one

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a light folding type heading machine cutting head protective cover, including control case 1, the two sides of one end of control case 1 are fixedly provided with first protective plate 2, one end of first protective plate 2 is movably provided with second protective plate 3 by pivot, one end of second protective plate 3 is movably provided with third protective plate 4 by pivot, one end of third protective plate 4 is movably provided with connecting rod 5 by pivot, one end of connecting rod 5 is movably provided with telescopic rod 6 by pivot, two first control cavities 7 are set in the inside of control case 1, limiting groove 8 is set in the inside two sides of first control cavity 7, one end of telescopic rod 6 is movably arranged in the inside of control case 1 by passing through control case 1, silk hole 9 is set in one end of telescopic rod 6, limiting rod 10 is fixedly arranged on the two sides of one end of telescopic rod 6, roller 11 is movably arranged on the inside one side of limiting groove 8 by being fixedly provided with one end of limiting rod 10 by pivot, screw rod 12 is movably arranged in the inside one end of first control cavity 7 by being movably provided with one end by bearing.

[0021] The outer side of one end of the lead screw 12 is fixedly provided with a first bevel gear 13, the inside of the control box 1 is provided with a second control cavity 14, the inside of the second control cavity 14 is movably provided with a control rod 15, one end of the control rod 15 passes through the control box 1 and is movably arranged in the inside of the first control cavity 7, one end of the control rod 15 is movably arranged on one side of the inside of the first control cavity 7 through a bearing, the other end of the control rod 15 passes through the control box 1 and is movably arranged in the inside of the other first control cavity 7, the other end of the control rod 15 is movably arranged on one side of the inside of the other first control cavity 7 through a bearing, both ends of the control rod 15 are fixedly provided with a second bevel gear 16, and the first bevel gear 13 is movably engaged with the second bevel gear 16.

[0022] The outer side of the control rod 15 is fixedly provided with a third bevel gear 17, the inside of the second control cavity 14 is movably provided with a rotating rod 18, one end of the rotating rod 18 is movably arranged on one side of the inside of the second control cavity 14 through a bearing, the other end of the rotating rod 18 passes through the control box 1 and is movably arranged on the side of the outer side of the control box 1 away from the first protective plate 2, the other end of the rotating rod 18 is fixedly sleeved with a rubber sleeve 19, the outer side of the rubber sleeve 19 is fixedly provided with a plurality of anti-skid blocks 20, the outer side of the rotating rod 18 is fixedly provided with a fourth bevel gear 21, the third bevel gear 17 is movably engaged with the fourth bevel gear 21, and the bottom of the control box 1 is fixedly provided with a first universal wheel 22 at four corners.

[0023] Embodiment two

[0024] In the second embodiment, other structures are unchanged, and different from the first embodiment, the device is convenient to move and fold, which saves more time and space in use, and one person can operate, the device can be unfolded by rotating the rotating rod 18, the cutting head is protected, the protective cover can be folded by reversing the rotating rod 18, the operation is convenient and fast, the production efficiency is improved, the protective cover is designed outside, the protective cover is added in front of the tunneling machine, the influence on the function of the tunneling machine during operation is reduced, and the production cost is saved.

[0025] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A light portable folding machine cutting head guard, comprising a control cabinet (1), characterized in that: One end of the control cabinet (1) is fixedly provided with a first protective plate (2) on both sides, one end of the first protective plate (2) is movably provided with a second protective plate (3) through a rotating shaft, one end of the second protective plate (3) is movably provided with a third protective plate (4) through a rotating shaft, one end of the third protective plate (4) is movably provided with a connecting rod (5) through a rotating shaft, one end of the connecting rod (5) is movably provided with a telescopic rod (6) through a rotating shaft, two first control cavities (7) are formed in the control cabinet (1), limit grooves (8) are formed in the two sides of the first control cavity (7), and one end of the telescopic rod (6) is movably arranged in the control cabinet (1) through the control cabinet (1).

2. The light-weight, foldable, machine boom, according to claim 1, characterized in that: One end of the telescopic rod (6) is provided with a screw hole (9), limit rods (10) are fixedly arranged on the two sides of one end of the telescopic rod (6), one end of the limit rod (10) is fixedly provided with a roller (11) through a rotating shaft, one end of the roller (11) is movably arranged on one side of the limit groove (8), a screw rod (12) is movably arranged in the screw hole (9), and one end of the screw rod (12) is movably arranged in one end of the first control cavity (7) through a bearing.

3. The light-weight, foldable, machine boom, according to claim 2, characterized in that: One end of the screw rod (12) is fixedly provided with a first bevel gear (13) on the outer side, a second control cavity (14) is formed in the control cabinet (1), a control rod (15) is movably arranged in the first control cavity (7) through the control cabinet (1), one end of the control rod (15) is movably arranged in the first control cavity (7) through a bearing, and the other end of the control rod (15) is movably arranged on one side of the first control cavity (7) through a bearing.

4. The light-weight, foldable, machine boom, according to claim 3, characterized in that: The other end of the control rod (15) is movably arranged in the other first control cavity (7) through the control cabinet (1), the other end of the control rod (15) is movably arranged on one side of the other first control cavity (7) through a bearing, the two ends of the control rod (15) are fixedly provided with second bevel gears (16), and the first bevel gear (13) and the second bevel gear (16) are movably engaged.

5. The light-weight, foldable, machine boom, according to claim 3, wherein: The outer side of the control rod (15) is fixedly provided with a third bevel gear (17), a rotating rod (18) is movably arranged in the second control cavity (14), one end of the rotating rod (18) is movably arranged on one side of the second control cavity (14) through a bearing, and the other end of the rotating rod (18) is movably arranged on the side, away from the first protective plate (2), of the control cabinet (1) through the control cabinet (1).

6. The light-weight, foldable, machine boom, according to claim 5, characterized in that: The other end of the rotating rod (18) is fixedly provided with a rubber sleeve (19), a plurality of anti-skid blocks (20) are fixedly arranged on the outer side of the rubber sleeve (19), a fourth bevel gear (21) is fixedly arranged on the outer side of the rotating rod (18), the third bevel gear (17) and the fourth bevel gear (21) are movably engaged, first universal wheels (22) are fixedly arranged at the bottom corners of the control cabinet (1), and second universal wheels (23) are fixedly arranged at the bottom sides of the third protective plate (4).

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