Anti-falling fixing device for air duct

Abstract

The utility model discloses an air duct anti-drop fixing device which comprises supporting rods, a supporting frame and a connecting piece, the number of the supporting rods is two, the front ends and the rear ends of the two supporting rods are symmetrically and fixedly connected with rectangular frames, sliding blocks are inserted into the rectangular frames, the bottom end of the supporting frame is connected with a rectangular block through a bearing, and the rectangular block is connected with the connecting piece. A sliding rail is arranged on the side wall of the rectangular frame, the side wall of the sliding block penetrates through the sliding rail to be connected with the rectangular block, the number of the supporting frames is two, and the side walls of the top ends of the two supporting frames are connected through a connecting piece. After adjustment of the supporting frame is completed, the movable sleeve on the surface of the threaded rod is rotated to move, the movable sleeve pushes the annular gasket to move to abut against the surface of the rectangular gasket, and therefore the sliding block is limited, the adjusted supporting frame is fixed, supporting is conveniently added to the connecting position of the air duct, stress is dispersed, and the service life of the air duct is prolonged. Therefore, the falling risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wind tube anti -drop technical field especially, it relates to a wind tube anti -drop fixing device. BACKGROUND

[0002] Mine wind tube is the key equipment in mine ventilation system, is mainly used to transport fresh air, discharge harmful gas and dust, ensure that the air circulation in mine and miner safety;

[0003] The ventilation system includes the wind tube machine and the wind tube, the connecting place of the wind tube machine and the wind tube is fixedly connected through the hoop, because, the buckle, thread or sealing ring of the connecting place can be worn after the long-term use of the wind tube machine and the wind tube, lead to firmness, because the force of the wind tube is downward, thus lead to the phenomenon that the easy occurrence falls, for this, we propose a kind of wind tube anti -drop fixing device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a wind tube anti -drop fixing device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of wind tube anti -drop fixing device, including support rod, support frame and connecting piece, the support rod is provided with two groups, the front and back ends of two groups the support rod are fixedly connected with rectangular frame symmetrically, and rectangular frame is inserted with slider in the inside, the bottom of the support frame is connected with rectangular block by bearing, the side wall of the rectangular frame is equipped with slide rail, the side wall of the slider is connected with rectangular block by penetrating slide rail, the support frame is provided with two groups, and the top side wall of two groups support frame is connected by connecting piece.

[0007] Preferably, the top of the slider is provided with a limiting mechanism, and the limiting mechanism comprises a threaded rod, the top of the rectangular frame is provided with a sliding groove, and the threaded rod is fixedly connected with the slider by penetrating the sliding groove.

[0008] Preferably, the other side wall of the rectangular frame is provided with a rectangular groove, and the inner wall of the rectangular groove is fixedly provided with a fixed plate, the surface of the fixed plate is uniformly provided with a limiting slot, and a limiting pin is inserted into the limiting slot, a circular groove is formed in the side wall to the inside of the slider, and a spring is inserted into the circular groove.

[0009] Preferably, the top of the rectangular frame is fixedly connected with a rectangular gasket, and the surface of the threaded rod is provided with a movable sleeve, and the bottom of the movable sleeve is fixedly connected with an annular gasket.

[0010] Preferably, the two sides of the connecting piece are provided with circular holes, and bearings are fixedly installed inside the circular holes, a fixed rod is inserted in the center of the bearings, and the other end of the fixed rod is fixedly connected with the side wall of the support frame.

[0011] Preferably, the two groups of support frames are M-shaped.

[0012] Compared with the prior art, the wind cylinder anti-falling fixing device has the following beneficial effects:

[0013] 1. After the adjustment of the support frame is completed, the movable sleeve on the surface of the threaded rod is rotated, the movable sleeve pushes the annular gasket to move and abut against the surface of the rectangular gasket, thereby limiting the sliding block, and then the adjusted support frame is fixed, so that the support at the connection of the wind cylinder is increased, the stress is dispersed, and the risk of falling is reduced.

[0014] 2. The top end of the support frame in the device is designed in a V shape, the V-shaped design can closely fit the pipeline, provide uniform support, prevent sliding or displacement, and can be used for various pipelines, adapt to different needs, and greatly improve the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the wind cylinder anti-falling fixing device;

[0016] Figure 2 It is a three-dimensional structure use state schematic view of the wind cylinder anti-falling fixing device;

[0017] Figure 3 It is a three-dimensional structure schematic view of the rectangular frame structure in Figure 1

[0018] Figure 4 It is a three-dimensional structure schematic view of the rectangular frame and the limiting mechanism structure in Figure 1

[0019] In the drawing: 1, support rod; 2, rectangular frame; 3, support frame; 4, connecting piece; 5, limiting mechanism; 51, threaded rod; 52, movable sleeve; 53, annular gasket; 6, rectangular gasket; 7, fixed plate; 8, sliding block; 9, limiting pin; 10, rectangular block; 11, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0021] Refer to Figures 1-4 ​​The utility model provides a kind of air duct anti-falling fixing device, including support rod 1, support frame 3 and connecting sheet 4, support rod 1 is provided with two groups, the front and rear ends of two groups of support rod 1 are symmetrically fixedly connected with rectangular frame 2, and the inside of rectangular frame 2 is inserted with sliding block 8, the bottom of support frame 3 is connected with rectangular block 10 by bearing, one side wall of rectangular frame 2 is opened with slide rail, the side wall of sliding block 8 is connected with rectangular block 10 by penetrating slide rail, support frame 3 is provided with two groups, and the top side wall of two groups of support frame 3 is connected by connecting sheet 4.

[0022] Further, referring to Figure 4 It can be known that the top end of the sliding block 8 is provided with a limiting mechanism 5, and the limiting mechanism 5 comprises a threaded rod 51, the top end of the rectangular frame 2 is provided with a sliding groove, the threaded rod 51 is fixedly connected with the sliding block 8 by penetrating the sliding groove, the inner wall of a movable sleeve 52 is provided with an internal thread, and the movable sleeve 52 is matched with the threaded rod 51. During use, the movable sleeve 52 moves along the surface of the threaded rod 51 by rotating, and at the same time, the self-locking function is realized between the movable sleeve 52 and the threaded rod 51 by the internal and external thread self-locking function. When the movable sleeve 52 stops rotating, the self-locking function is realized between the movable sleeve 52 and the threaded rod 51, which is convenient for limiting the sliding block 8.

[0023] Further, referring to Figure 2 And Figure 3 It can be known that the other side wall of the rectangular frame 2 is provided with a rectangular groove, and the inner wall of the rectangular groove is fixedly provided with a fixed plate 7. The surface of the fixed plate 7 is uniformly provided with a limiting slot, and the limiting pin 9 is inserted into the limiting slot. The side wall of the sliding block 8 is provided with a circular groove from the inside, and the spring 11 is inserted into the circular groove. One end of the spring 11 is fixedly connected with the inner wall of the circular groove, and the other end of the spring 11 is fixedly connected with the limiting pin 9. During use, the spring 11 pushes the limiting pin 9 to be inserted into the limiting slot in the initial state, realizing the limiting effect. The spring 11 has elastic deformation capacity, and shrinks in the circular groove under the extrusion of external force, pulls the limiting pin 9 into the circular groove, so as to facilitate the movement of the sliding block 8, and realizes the adjustment of the support frame 3.

[0024] Further, referring to Figure 3 And Figure 4 It can be known that the top end of the rectangular frame 2 is fixedly connected with a rectangular gasket 6, the surface of the threaded rod 51 is sleeved with a movable sleeve 52, and the bottom end of the movable sleeve 52 is fixedly connected with a ring gasket 53. The top end of the rectangular gasket 6 is uniformly provided with an anti-skid block. The ring gasket 53 is pushed to abut against the rectangular gasket 6 by rotating the movable sleeve 52, so as to realize limiting. By the arrangement of the anti-skid block, the friction between the ring gasket 53 and the rectangular gasket 6 is increased, so as to improve the stability of the limiting.

[0025] Further, referring to Figure 2It can be known that the two sides of the connecting piece 4 are provided with circular holes, and the inside of the circular hole is fixedly installed with a bearing, the center of the bearing is inserted with a fixed rod, and the other end of the fixed rod is fixedly connected with the side wall of the support frame 3, and in the process of use, the two groups of support frames 3 are movably connected through the connecting piece 4, so that the support frame 3 is hinged to rotate.

[0026] Further, referring to Figure 2 It can be known that the two groups of support frames 3 are M-shaped, and the top end of the support frame 3 is V-shaped structure after unfolding, and the V-shaped structure is convenient for better abutting against the outer wall of the wind cylinder, and is convenient for adapting to wind cylinders of different diameters.

[0027] Working principle: in use, according to the accompanying Figure 1 , the accompanying Figure 2 , the accompanying Figure 3 and the accompanying Figure 4 , first, the workers carry the device to the appropriate position, then pull the two groups of support frames 3 upward, the support frames 3 drive the sliding blocks 8 to move, the sliding blocks 8 push the bottom end of the support frames 3 to close, and then adjust the height of the support frames 3.

[0028] After adjusting, the spring 11 pushes the limiting pin 9 to be inserted in the limiting groove on the surface of the fixed plate 7, so as to realize limiting, after limiting, the workers manually rotate the movable sleeve 52, the movable sleeve 52 moves along the surface of the threaded rod 51, in the process of moving of the movable sleeve 52, the annular gasket 53 is pushed to abut against the surface of the rectangular gasket 6, so as to realize fixing of the sliding block 8, so as to play a supporting role.

[0029] It should be noted that a plurality of devices are used side by side to support the connection between the wind cylinder and the wind cylinder machine and the nearby parts, and the operation is completed, and the above is the whole working principle of the utility model.

[0030] In the utility model, the installation mode, connection mode or setting mode of all the components described above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technology, as long as the beneficial effects can be achieved, implementation can be carried out, so no more description is made.

[0031] The above embodiments are preferred embodiments of this utility model, but the embodiments of this utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model should be considered equivalent substitutions and are included within the protection scope of this utility model. In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside, and vertical and horizontal" only represent the orientation of the term in its conventional use or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, numerals such as "first," "second," and "third" do not represent specific quantities or orders, but are merely used for distinguishing names. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A device for preventing the duct from falling off, comprising a support rod (1), a support frame (3), and a connecting piece (4), characterized in that, The support rod (1) is provided in two sets. The front and rear ends of the two sets of support rods (1) are symmetrically fixed with rectangular frames (2), and sliders (8) are inserted inside the rectangular frames (2). The bottom end of the support frame (3) is connected to a rectangular block (10) through a bearing. The side wall of the rectangular frame (2) is provided with a slide rail. The side wall of the slider (8) passes through the slide rail and is connected to the rectangular block (10). The support frame (3) is provided in two sets, and the top side walls of the two sets of support frames (3) are connected by connecting pieces (4).

2. The anti-fall-off fixing device for a ventilation duct according to claim 1, characterized in that, The top of the slider (8) is equipped with a limiting mechanism (5), and the limiting mechanism (5) includes a threaded rod (51). The top of the rectangular frame (2) is provided with a sliding groove, and the threaded rod (51) passes through the sliding groove and is fixedly connected to the slider (8).

3. The anti-fall-off fixing device for a ventilation duct according to claim 1, characterized in that, The other side wall of the rectangular frame (2) is provided with a rectangular groove, and a fixing plate (7) is fixedly installed on the inner wall of the rectangular groove. Limiting grooves are evenly opened on the surface of the fixing plate (7), and a limiting pin (9) is inserted inside the limiting groove. The slider (8) is provided with a circular groove from the side wall inward, and a spring (11) is inserted inside the circular groove.

4. The anti-fall-off fixing device for a ventilation duct according to claim 2, characterized in that, A rectangular gasket (6) is fixedly connected to the top of the rectangular frame (2), and a movable sleeve (52) is fitted on the surface of the threaded rod (51), and an annular gasket (53) is fixedly connected to the bottom of the movable sleeve (52).

5. The anti-fall-off fixing device for a ventilation duct according to claim 1, characterized in that, The connecting piece (4) has circular holes on both sides, and bearings are fixedly installed inside the circular holes. A fixing rod is inserted into the center of the bearing, and the other end of the fixing rod is fixedly connected to the side wall of the support frame (3).

6. The anti-fall-off fixing device for a ventilation duct according to claim 1, characterized in that, The two sets of support frames (3) are of type M.

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