Auxiliary fixing device for chimney hoisting

Abstract

The present invention discloses an auxiliary fixing device for chimney hoisting, comprising a device frame and a motor, wherein the upper end surface of the device frame is connected with a lifting ring, and the lower end surface of the device frame is provided with a storage battery, the inner wall of the device frame is connected with a connecting rod, the motor is provided at the lower end of a transmission housing, and the motor is connected with a transmission shaft, the upper end of the transmission shaft penetrates the transmission housing and is connected with a first bevel gear, and the first bevel gear is meshed and connected with a second bevel gear, the second bevel gear is penetrated and provided on an adjustment mechanism, and the side wall of the device frame is penetrated and provided with a first electric telescopic rod. The auxiliary fixing device for chimney hoisting can drive the second bevel gear to rotate through the first bevel gear under the action of the motor according to the different sizes of the chimney, and the second bevel gear drives the sleeve to rotate, so that the lead screw pushes the main support frame outward to squeeze and contact with the inner wall of the chimney, so as to facilitate the fixing and hoisting of the chimney according to the different sizes of the chimney.

Description

Technical Field

[0001] The invention relates to the technical field related to chimney hoisting, and in particular to an auxiliary fixing device for chimney hoisting. Background Art

[0002] Chimneys are generally used for flue gas treatment and emission in factories. When installing chimneys, they are mostly hoisted by hoisting tools and lifting equipment. Since chimneys are fixed by splicing sections, and the outer diameter of most chimneys gradually decreases from bottom to top, it is necessary to select suitable hoists according to the size of the chimney during hoisting, which is troublesome to use. Now, an auxiliary fixing device for chimney hoisting is needed to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide an auxiliary fixing device for chimney hoisting, so as to solve the problem raised in the above background technology that chimneys are all fixed by splicing sections together, and the outer diameter of most chimneys gradually decreases from bottom to top, so it is necessary to select corresponding hoists according to the size of the chimney, which is troublesome to use.

[0004] To achieve the above object, the present invention provides the following technical solution: an auxiliary fixing device for chimney hoisting, comprising a device frame and a motor,

[0005] The upper end surface of the device frame is connected with a lifting ring, and the lower end surface of the device frame is provided with a storage battery, the inner wall of the device frame is connected with a connecting rod, and the end of the connecting rod away from the inner wall of the device frame is connected with the transmission housing;

[0006] The motor is arranged at the lower end of the transmission housing, and the motor is connected to the transmission shaft. The upper end of the transmission shaft passes through the transmission housing and is connected to the first bevel gear, and the first bevel gear is meshed with the second bevel gear, the second bevel gear is arranged on the adjustment mechanism, and the outer end of the adjustment mechanism passes through the transmission housing and is rotatably connected to the inner wall of the device frame, the side wall of the device frame is passed through by the first electric telescopic rod, and the outer ends of the first electric telescopic rod and the outer ends of the adjustment mechanism are both provided with main abutments.

[0007] Preferably, the hanging rings are distributed in a circular array on the device frame.

[0008] Preferably, the connecting rods are distributed in a circular array in the device frame, and the connecting rods distributed in the circular array are connected to a transmission housing.

[0009] Preferably, the motor, the transmission shaft, the first bevel gear and the second bevel gear form a rotating mechanism, and four second bevel gears are meshedly connected with one first bevel gear.

[0010] Preferably, the adjustment mechanism and the second bevel gear are in a one-to-one correspondence, and four adjustment mechanisms correspond to one limit block.

[0011] Preferably, the adjustment mechanism includes a sleeve, a screw and a limit rod, and a second bevel gear is arranged on the upper part of the sleeve, a screw is connected inside the sleeve, and the outer end of the screw passes through the sleeve and the device frame and is connected to the main support frame, a limit rod is slidably connected inside the screw, and the inner end of the limit rod passes through the screw and the sleeve and is connected to the limit block.

[0012] Preferably, two groups of main abutments are provided, and both groups of main abutments are distributed in a circular array on the device frame.

[0013] Preferably, the first electric telescopic rod and the main support frame form a telescopic mechanism.

[0014] Preferably, the main support frame includes a second electric telescopic rod, an auxiliary support frame, a first anti-wear pad, a second anti-wear pad, a first bolt and a second bolt, and the second electric telescopic rod is movably connected in the main support frame, the second electric telescopic rod is movably connected in the auxiliary support frame at one end away from the main support frame, and the auxiliary support frame and the main support frame are movably connected, and at the same time, a first anti-wear pad is arranged on the side of the main support frame, a first bolt is penetrated in the first anti-wear pad, and the first bolt and the main support frame are threadedly connected, and a second anti-wear pad is arranged on the side of the auxiliary support frame, and a second bolt is penetrated in the second anti-wear pad, and the second bolt and the auxiliary support frame are threadedly connected.

[0015] Compared with the prior art, the invention has the following beneficial effects: the auxiliary fixing device for chimney hoisting is

[0016] (1) When the chimney is hoisted and fixed, the first bevel gear can be driven by the motor to rotate the second bevel gear according to the size of the chimney, and the second bevel gear can drive the sleeve to rotate, so that the lead screw pushes the main support frame outward to squeeze and contact the inner wall of the chimney, which is convenient for fixing and hoisting the chimney according to the size of the chimney;

[0017] (2) Under the action of the first electric telescopic rod, the main support frame can be pushed to cooperate with the lead screw to push the main support frame to act on the inner wall of the chimney, thereby enhancing the stable fixation of the chimney. Since the size of the chimney gradually decreases from bottom to top, the main support frame can be better fixed against the inner wall of the chimney;

[0018] (3) According to the demand, when the main support frame contacts the inner wall of the chimney, the auxiliary support frame is pushed under the action of the second electric telescopic rod, so that the auxiliary support frame contacts the inner wall of the chimney again, thereby enhancing the contact between the auxiliary support frame and the chimney and improving the safety and stability of the hoisting;

[0019] (4) The first anti-wear pad and the second anti-wear pad can enhance the friction between the main support frame and the auxiliary support frame and the inner wall of the chimney, and enhance the stability of the lifting. The first anti-wear pad and the second anti-wear pad are respectively installed and fixed by the first bolt and the second bolt thread, which is convenient for disassembly, maintenance or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the cross-sectional structure of the transmission housing of the present invention from top view;

[0021] Figure 2 It is a bottom view structural schematic diagram of the present invention;

[0022] Figure 3 It is a schematic diagram of the front cross-sectional structure of the transmission housing of the present invention;

[0023] Figure 4 It is a schematic diagram of the internal structure of the regulating mechanism of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the second electric telescopic rod, the main support frame and the auxiliary support frame of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the first anti-wear pad, the first bolt and the second anti-wear pad, the second bolt of the present invention.

[0026] In the figure: 1, device frame, 2, lifting ring, 3, battery, 4, connecting rod, 5, transmission housing, 6, motor, 7, transmission shaft, 8, first bevel gear, 9, second bevel gear, 10, adjustment mechanism, 1001, sleeve, 1002, lead screw, 1003, limit rod, 11, limit block, 12, first electric telescopic rod, 13, main support frame, 1301, second electric telescopic rod, 1302, auxiliary support frame, 1303, first anti-wear pad, 1304, second anti-wear pad, 1305, first bolt, 1306, second bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-6 The present invention provides a technical solution: an auxiliary fixing device for chimney hoisting, such as Figure 1 , Figure 2 and Figure 3As shown, a lifting ring 2 is connected to the upper end surface of the device frame 1, and a battery 3 is arranged on the lower end surface of the device frame 1. The lifting ring 2 is distributed in a circular array on the device frame 1, and the lifting ring 2 is convenient for use with external lifting equipment to lift the chimney. The inner wall of the device frame 1 is connected to the connecting rod 4, and the end of the connecting rod 4 away from the inner wall of the device frame 1 is connected to the transmission housing 5. The connecting rod 4 is distributed in a circular array in the device frame 1, and the connecting rod 4 distributed in a circular array is connected to a transmission housing 5. Under the action of the connecting rod 4, the stability of the support for the transmission housing 5 is enhanced, and the support and fixation by the connecting rod 4 distributed in the circular array can reduce the overall weight and the use of materials.

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, the motor 6 is arranged at the lower end of the transmission housing 5, and the motor 6 is connected to the transmission shaft 7. The motor 6, the transmission shaft 7, the first bevel gear 8 and the second bevel gear 9 constitute a rotating mechanism, and the four second bevel gears 9 are meshed and connected with one first bevel gear 8. According to the size of the chimney, the second bevel gear 9 is driven to rotate by the first bevel gear 8 under the action of the motor 6, and the main support frame 13 connected to the adjustment mechanism 10 is adjusted. The upper end of the transmission shaft 7 penetrates the transmission housing 5 and is connected to the first bevel gear 8, and the first bevel gear 8 is meshed and connected with the second bevel gear 9. The second bevel gear 9 is penetrated and arranged on the adjustment mechanism 10, and the outer end of the adjustment mechanism 10 penetrates the transmission housing 5 and is rotatably connected to the inner wall of the device frame 1. The adjustment mechanism 10 and the second bevel gear 9 There is a one-to-one correspondence, and the four adjustment mechanisms 10 correspond to one limit block 11. The limit block 11 can stably support the limit rod 1003 in the adjustment mechanism 10. The adjustment mechanism 10 includes a sleeve 1001, a screw 1002 and a limit rod 1003, and a second bevel gear 9 is penetrated on the upper part of the sleeve 1001. The sleeve 1001 is connected with the screw 1002, and the outer end of the screw 1002 penetrates the sleeve 1001 and the device frame 1 and is connected to the main support frame 13. The limit rod 1003 is slidably connected in the screw 1002, and the inner end of the limit rod 1003 penetrates the screw 1002 and the sleeve 1001 and is connected to the limit block 11. Under the limiting action of the limit rod 1003, the screw 1002 moves stably in the sleeve 1001.

[0030] like Figure 1 , Figure 5 and Figure 6As shown, a first electric telescopic rod 12 is provided through the side wall of the device frame 1, and a main support frame 13 is provided at the outer end of the first electric telescopic rod 12 and the outer end of the adjustment mechanism 10. Two groups of main support frames 13 are provided, and the two groups of main support frames 13 are distributed in a circular array on the device frame 1. Under the action of the two groups of main support frames 13, the stable fixation of the chimney is enhanced, and the lifting safety is improved. The first electric telescopic rod 12 and the main support frame 13 form a telescopic mechanism. According to needs, the main support frame 13 is pushed to contact the inner wall of the chimney under the action of the first electric telescopic rod 12 to enhance the fixation of the chimney. The main support frame 13 includes a second electric telescopic rod 1301, an auxiliary support frame 1302, a first anti-wear pad 1303, a second anti-wear pad 1304, a first bolt 1305 and a second bolt 1306, and the second electric telescopic rod 1301 is movably connected in the main support frame 13, and the second electric telescopic rod 1301 is movably connected to the auxiliary support frame 13 at one end away from the main support frame 13 The auxiliary support frame 1302 is in the support frame 1302, and the auxiliary support frame 1302 and the main support frame 13 are movably connected. At the same time, a first anti-wear pad 1303 is arranged on the side of the main support frame 13, a first bolt 1305 is penetrated in the first anti-wear pad 1303, and the first bolt 1305 and the main support frame 13 are threadedly connected. A second anti-wear pad 1304 is arranged on the side of the auxiliary support frame 1302, and a second bolt 1306 is penetrated in the second anti-wear pad 1304, and the second bolt 1306 and the auxiliary support frame 1302 are threadedly connected. Under the action of the second electric telescopic rod 1301, the auxiliary support frame 1302 is pushed to contact with the inner wall of the chimney, thereby enhancing the contact between the entire main support frame 13 and the chimney, and enhancing the friction between the chimney and the chimney under the action of the first anti-wear pad 1303 and the second anti-wear pad 1304. Disassembling the first bolt 1305 and the second bolt 1306 facilitates the disassembly and replacement of the first anti-wear pad 1303 and the second anti-wear pad 1304.

[0031] Working principle: When using the auxiliary fixing device for chimney hoisting, connect the battery 3, place the device frame 1 inside the chimney, and according to the size of the chimney, drive shaft 7 is driven to rotate under the action of the motor 6, and the drive shaft 7 drives the first bevel gear 8 to rotate, and the first bevel gear 8 drives the sleeve 1001 to rotate through the second bevel gear 9, so that the lead screw 1002 moves outward in the sleeve 1001, and the lead screw 1002 pushes the main support frame 13 to contact the inner wall of the chimney, and the auxiliary support frame 1302 can be pushed by the second electric telescopic rod 1301, so that the auxiliary support frame 1302 contacts the inner wall of the chimney, so as to further improve the temperature fixation of the chimney, and in the first The friction between the main support frame 13 and the auxiliary support frame 1302 and the inner wall of the chimney can be enhanced by the action of an anti-wear pad 1303 and a second anti-wear pad 1304. According to needs, when the chimney is large and heavy, the main support frame 13 can be pushed to contact the inner wall of the chimney by the first electric telescopic rod 12 to enhance the contact stability between the device frame 1 and the chimney. The chimney can be hoisted by external hoisting equipment and the hoisting ring 2. The first bolt 1305 and the second bolt 1306 can be removed to facilitate the disassembly and replacement of the first anti-wear pad 1303 and the second anti-wear pad 1304. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0032] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary fixing device for chimney hoisting, comprising a device frame (1) and a motor (6), characterized in that: The upper end surface of the device frame (1) is connected to a lifting ring (2), and the lower end surface of the device frame (1) is provided with a storage battery (3); the inner wall of the device frame (1) is connected to a connecting rod (4), and one end of the connecting rod (4) away from the inner wall of the device frame (1) is connected to a transmission housing (5); The motor (6) is arranged at the lower end of the transmission housing (5), and the motor (6) is connected to the transmission shaft (7). The upper end of the transmission shaft (7) passes through the transmission housing (5) and is connected to the first bevel gear (8), and the first bevel gear (8) is meshed with a second bevel gear (9). The motor (6), the transmission shaft (7), the first bevel gear (8) and the second bevel gear (9) constitute a rotating mechanism, and four second bevel gears (9) are meshed with one first bevel gear (8). The second bevel gear (9) is arranged on the adjustment mechanism (10), and the outer end of the adjustment mechanism (10) passes through the transmission housing (5) and is rotatably connected to the inner wall of the device frame (1). The side wall of the device frame (1) is arranged with a first electric telescopic rod (12), and the outer ends of the first electric telescopic rod (12) and the adjustment mechanism (10) are both provided with a main support frame (13). The main support frame (13) includes a second electric telescopic rod (1301), an auxiliary support frame (1302), and a first anti-wear pad (130 3), a second anti-wear pad (1304), a first bolt (1305) and a second bolt (1306), and a second electric telescopic rod (1301) is movably connected in the main support frame (13), and one end of the second electric telescopic rod (1301) away from the main support frame (13) is movably connected in the auxiliary support frame (1302), and the auxiliary support frame (1302) and the main support frame (13) are movably connected, and the adjustment mechanism (10) includes a sleeve (1001), a lead screw (1002) and A limit rod (1003) is provided, and a second bevel gear (9) is penetrated on the upper side of the sleeve (1001); a lead screw (1002) is connected inside the sleeve (1001), and the outer end of the lead screw (1002) penetrates the sleeve (1001) and the device frame (1) to be connected to the main support frame (13); a limit rod (1003) is slidably connected inside the lead screw (1002), and the inner end of the limit rod (1003) penetrates the lead screw (1002) and the sleeve (1001) to be connected to the limit block (11).

2. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: The lifting rings (2) are distributed in a circular array on the device frame (1).

3. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: The connecting rods (4) are distributed in a circular array in the device frame (1), and the connecting rods (4) distributed in a circular array are connected to a transmission housing (5).

4. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: The adjustment mechanism (10) and the second bevel gear (9) present a one-to-one correspondence, and four adjustment mechanisms (10) correspond to one limit block (11).

5. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: Two groups of main support frames (13) are provided, and the two groups of main support frames (13) are distributed in a circular array on the device frame (1).

6. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: The first electric telescopic rod (12) and the main support frame (13) form a telescopic mechanism.

7. The auxiliary fixing device for chimney hoisting according to claim 1, characterized in that: A first anti-wear pad (1303) is arranged on the side of the main support frame (13), a first bolt (1305) is arranged through the first anti-wear pad (1303), and the first bolt (1305) and the main support frame (13) are threadedly connected. A second anti-wear pad (1304) is arranged on the side of the auxiliary support frame (1302), a second bolt (1306) is arranged through the second anti-wear pad (1304), and the second bolt (1306) and the auxiliary support frame (1302) are threadedly connected.

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