Auxiliary support device for fire ventilation duct installation

Abstract

The utility model relates to the technical field of fire ventilation duct installation, and discloses an auxiliary support device for fire ventilation duct installation, which solves the problem that it is inconvenient to quickly fix and support the ventilation duct at present. The auxiliary support device comprises a base, and universal wheels are installed at the bottom of the base near the four corners, and a support mechanism and a lifting mechanism are installed on the top of the base, and the support mechanism comprises an L-shaped platform located above the base; the utility model, through the cooperation between bevel gear one and bevel gear two and a two-way screw rod, it is convenient for two slide plates two to slide along a through groove one, and the distance between the two adjustment plates can be adjusted according to the length of the ventilation duct, and through the cooperation between the screw rod and the slide plate one and the through groove two, when the turntable two is rotated, it is convenient for the two pressure plates to move to clamp the ventilation duct, and the turntable two and the turntable one are both arranged on one side of the L-shaped plate, so as to facilitate the rapid support and fixation of the ventilation duct.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting ventilation duct installation, in particular to an auxiliary supporting device for fire-fighting ventilation duct installation. Background Art

[0002] Fire ventilation duct is an indispensable part of fire protection system. Fire ventilation duct is a general term for the air duct of mechanical pressurized air supply and smoke control system that passes through or is located in the fire hazard zone and the air duct of mechanical smoke exhaust system that crosses the fire partition according to the design specification requirements of the building; according to the patent document with the authorization announcement number of CN216923446U and the name of "A kind of ventilation duct installation auxiliary fixing device for air purification", it can realize the fixing of the duct by using the setting of sliding support plate, first side plate, second side plate, second threaded rod and second threaded hole, and has good fixing effect. The distance between the second threaded rod and the second side plate can be adjusted according to the width of the duct to adapt to the fixing of ducts of different widths. By using the setting of the first threaded rod and the first threaded hole, the fixing mechanism can be driven to slide accordingly, and the distance between the two duct fixing mechanisms can be adjusted, so as to adapt to the fixing of ducts of various lengths; but the following defects still exist:

[0003] It is necessary to rotate two first threaded rods to adjust the distance between the two pipe fixing mechanisms, and then rotate two second threaded rods to clamp the ventilation pipe, so multiple operations are required, which makes it inconvenient to quickly fix and support the ventilation pipe. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an auxiliary support device for the installation of fire ventilation ducts, which effectively solves the current problem of inconvenience in quickly fixing and supporting the ventilation ducts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary support device for installing a fire ventilation duct, comprising a base, the bottom of the base is equipped with universal wheels near the four corners, and the top of the base is equipped with a support mechanism and a lifting mechanism;

[0006] The supporting mechanism includes an L-shaped table located above the base, a bottom block is fixedly installed at the bottom of the L-shaped table, a screw is rotatably connected to the bottom block, a turntable 2 is fixedly installed on the end of the screw away from the bottom block, a slide plate 1 is threadedly sleeved on the outer side of the screw, two pressure plates are symmetrically fixedly installed on the outer side of the slide plate 1, and the two pressure plates are both located in the L-shaped table, a through groove 2 is provided on the inner bottom wall of the L-shaped table, the slide plate 1 passes through the through groove 2, and the slide plate 1 is slidably connected to the L-shaped table through the through groove 2.

[0007] Preferably, the outer side of the L-shaped table is symmetrically and fixedly connected with two side blocks, a bidirectional screw is rotatably connected between the two side blocks, and the outer side of the bidirectional screw is symmetrically threaded with two slide plates 2, and the two slide plates 2 are fixedly mounted with adjustment plates located in the L-shaped table, a through groove 1 is provided on the inner side wall of the L-shaped table, the two slide plates 2 both penetrate the through groove 1, and the two slide plates 2 are slidably connected to the L-shaped table through the through groove 1.

[0008] Preferably, an L-shaped plate is fixedly installed on the outer side of the L-shaped table, a screw rod penetrates the L-shaped plate and is rotatably connected to the L-shaped plate, a driven shaft is rotatably connected to the inner side wall of the L-shaped plate, a bevel gear 1 is fixedly installed on the end of the driven shaft away from the L-shaped plate, a bevel gear 2 is fixedly installed on the outer side of the bidirectional screw rod, and bevel gear 2 is meshingly connected to bevel gear 1.

[0009] Preferably, the outer side of the L-shaped table is rotatably connected to a driving shaft, the end of the driving shaft away from the L-shaped table passes through the L-shaped plate and is fixedly installed with a turntable, and the driving shaft is rotatably connected to the L-shaped plate, a driving gear is fixedly installed on the outer side of the driving shaft, and a driven gear is fixedly installed on the outer side of the driven shaft, and the driven gear is meshingly connected with the driving gear.

[0010] Preferably, the lifting mechanism includes a lifting plate located between the base and the L-shaped platform, a cylinder 2 is fixedly installed between the lifting plate and the base, two U-shaped round rods are symmetrically fixedly connected to the top of the base and are both located below the L-shaped platform, and the lifting plate is movably sleeved on the outer sides of the two U-shaped round rods.

[0011] Preferably, connecting columns are fixedly installed at the bottom of the lifting plate near the four corners, the bottom end of each connecting column is fixedly connected to the same bottom plate, the bottom plate is sleeved on the outside of cylinder two and does not contact cylinder two, the outside of each connecting column is movably sleeved with the same lifting frame, two cylinders one are symmetrically fixedly installed between the lifting frame and the bottom plate, two supporting columns are symmetrically fixedly connected between the lifting frame and the L-shaped platform, and the two supporting columns both pass through the lifting plate and are movably connected to the lifting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the rotation of the driven shaft when the turntable 1 is rotated through the cooperation between the driving shaft, the driving gear and the driven gear, and facilitates the sliding plates 2 to slide along the through groove 1 through the cooperation between the bevel gear 1 and the bevel gear 2 and the bidirectional screw rod, and can adjust the distance between the two adjustment plates according to the length of the ventilation duct, and facilitates the movement of the two pressure plates to clamp the ventilation duct when the turntable 2 is rotated through the cooperation between the screw rod, the slide plate 1 and the through groove 2, and the turntable 2 and the turntable 1 are both arranged on one side of the L-shaped plate, so as to facilitate the rapid support and fixation of the ventilation duct;

[0014] (2) The new type facilitates the lifting of the L-shaped platform through the cooperation between the cylinder 1 and the lifting frame, the connecting column and the supporting column, and increases the lifting height of the L-shaped platform through the cooperation between the cylinder 2 and the lifting plate and the U-shaped round rod, thereby facilitating the lifting of the ventilation duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the auxiliary support device for fire ventilation duct installation of the utility model;

[0018] Figure 2 This is a schematic diagram of the support mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the L-shaped plate structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0021] In the figure: 1. base; 2. supporting mechanism; 201. L-shaped table; 202. L-shaped plate; 203. through slot one; 204. through slot two; 205. screw; 206. bottom block; 207. slide plate one; 208. pressure plate; 209. bevel gear one; 2010. bevel gear two; 2011. bidirectional screw; 2012. adjustment plate; 2013. slide plate two; 2014. driving shaft; 2015. driving gear; 2016. turntable one; 2017. driven shaft; 2018. driven gear; 2019. side block; 2020. turntable two; 3. lifting mechanism; 301. lifting plate; 302. U-shaped round rod; 303. cylinder one; 304. lifting frame; 305. cylinder two; 306. bottom plate; 307. connecting column; 308. supporting column; 4. universal wheel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1The utility model comprises a base 1 , universal wheels 4 are installed at the bottom of the base 1 near the four corners, and a supporting mechanism 2 and a lifting mechanism 3 are installed at the top of the base 1 .

[0024] Specifically, by Figure 2-3 The support mechanism 2 includes an L-shaped platform 201 located above the base 1, a bottom block 206 is fixedly installed at the bottom of the L-shaped platform 201, a screw 205 is rotatably connected to the bottom block 206, a turntable 2020 is fixedly installed at one end of the screw 205 away from the bottom block 206, a slide plate 207 is threadedly sleeved on the outer side of the screw 205, two pressing plates 208 are symmetrically fixedly installed on the outer side of the slide plate 207, and the two pressing plates 208 are both located in the L-shaped platform 201, and a through groove 204 is provided on the inner bottom wall of the L-shaped platform 201. The plate 1 207 passes through the through slot 204, and the slide plate 1 207 is slidably connected to the L-shaped platform 201 through the through slot 204. The outer side of the L-shaped platform 201 is symmetrically fixedly connected with two side blocks 2019. A bidirectional screw rod 2011 is rotatably connected between the two side blocks 2019. The outer side of the bidirectional screw rod 2011 is symmetrically threaded with two slide plates 2 2013. The two slide plates 2 2013 are fixedly installed with adjustment plates 2012 located in the L-shaped platform 201. A through slot 1 203 is provided on the inner side wall of the L-shaped platform 201. The two slide plates 2013 both penetrate the through slot 1 203, and the two slide plates 2013 are slidably connected to the L-shaped platform 201 through the through slot 1 203. An L-shaped plate 202 is fixedly installed on the outer side of the L-shaped platform 201. The screw 205 penetrates the L-shaped plate 202 and is rotatably connected to the L-shaped plate 202. A driven shaft 2017 is rotatably connected to the inner side wall of the L-shaped plate 202. A bevel gear 1 209 is fixedly installed on the end of the driven shaft 2017 away from the L-shaped plate 202. A bevel gear 2010 is fixedly installed on the outer side of the bidirectional screw 2011. , bevel gear 2010 is meshed with bevel gear 1 209, the outer side of L-shaped platform 201 is rotatably connected with driving shaft 2014, one end of driving shaft 2014 away from L-shaped platform 201 passes through L-shaped plate 202 and is fixedly installed with turntable 1 2016, and driving shaft 2014 is rotatably connected with L-shaped plate 202, driving gear 2015 is fixedly installed on the outer side of driving shaft 2014, and driven gear 2018 is fixedly installed on the outer side of driven shaft 217, and driven gear 2018 is meshed with driving gear 2015;

[0025] When in use, first rotate the turntable 1 2016 to drive the driving shaft 2014 to rotate, and drive the driving gear 2015 to rotate. Since the driving gear 2015 is meshed and connected with the driven gear 2018, the driven shaft 2017 is driven to rotate, and the bevel gear 1 209 is driven to rotate. Since the bevel gear 1 209 is rotatably connected with the bevel gear 2010, the bidirectional screw rod 2011 is driven to rotate. At the same time, the two slide plates 2013 slide along the through groove 1 203 to adjust the distance between the two adjustment plates 2012 according to the length of the ventilation duct. When the distance between the two adjustment plates 2012 is adjusted, the ventilation duct is placed in the L-shaped table 201 and abuts against the two adjustment plates 2012. Then rotate the turntable 2020 to drive the screw rod 205 to rotate, and drive the slide plate 1 207 to slide along the through groove 204. At the same time, the two pressing plates 208 move until the ventilation duct is clamped, and finally the ventilation duct is quickly supported and fixed.

[0026] Specifically, by Figure 4 It is given that the lifting mechanism 3 includes a lifting plate 301 located between the base 1 and the L-shaped platform 201, a cylinder 2 305 is fixedly installed between the lifting plate 301 and the base 1, two U-shaped round rods 302 are symmetrically fixedly connected to the top of the base 1, both of which are located below the L-shaped platform 201, the lifting plate 301 is movably sleeved on the outside of the two U-shaped round rods 302, and the bottom of the lifting plate 301 is fixedly installed near the four corners, and the bottom end of each connecting column 307 is fixedly connected to the same bottom plate 306, the bottom plate 306 is sleeved on the outside of the cylinder 2 305 and does not contact the cylinder 2 305, and the outside of each connecting column 307 is movably sleeved with the same lifting frame 304, two cylinders 1 303 are symmetrically fixedly installed between the lifting frame 304 and the bottom plate 306, and two support columns 308 are symmetrically fixedly connected between the lifting frame 304 and the L-shaped platform 201, and the two support columns 308 both penetrate the lifting plate 301 and are movably connected to the lifting plate 301;

[0027] When in use, first start the two cylinders 1 303 to drive the lifting frame 304 to slide upward along the connecting column 307, and then drive the L-shaped platform 201 to move upward through the two supporting columns 308, and then start the cylinder 2 305 to drive the lifting plate 301 to slide upward along the two U-shaped round rods 302, thereby increasing the rising height of the L-shaped platform 201, and finally realizing the lifting of the ventilation duct.

Claims

1. An auxiliary support device for installing a fire ventilation duct, comprising a base (1), characterized in that: Universal wheels (4) are installed at the bottom of the base (1) near the four corners, and a supporting mechanism (2) and a lifting mechanism (3) are installed at the top of the base (1); The support mechanism (2) comprises an L-shaped platform (201) located above the base (1); a bottom block (206) is fixedly installed at the bottom of the L-shaped platform (201); a screw rod (205) is rotatably connected to the bottom block (206); a turntable 2 (2020) is fixedly installed at one end of the screw rod (205) away from the bottom block (206); a slide plate 1 (207) is threadedly sleeved on the outer side of the screw rod (205); two pressing plates (208) are symmetrically fixedly installed on the outer side of the slide plate 1 (207); the two pressing plates (208) are both located in the L-shaped platform (201); a through groove 2 (204) is provided on the inner bottom wall of the L-shaped platform (201); the slide plate 1 (207) passes through the through groove 2 (204); and the slide plate 1 (207) is slidably connected to the L-shaped platform (201) through the through groove 2 (204).

2. The auxiliary support device for fire ventilation duct installation according to claim 1, characterized in that: The outer side of the L-shaped platform (201) is symmetrically and fixedly connected with two side blocks (2019), the two side blocks (2019) are rotatably connected with a bidirectional screw rod (2011), the outer side of the bidirectional screw rod (2011) is symmetrically threaded with two slide plates (2013), the two slide plates (2013) are fixedly mounted with an adjustment plate (2012) located in the L-shaped platform (201), a through groove (203) is provided on the inner side wall of the L-shaped platform (201), the two slide plates (2013) are both penetrated by the through groove (203), and the two slide plates (2013) are slidably connected to the L-shaped platform (201) through the through groove (203).

3. The auxiliary support device for fire ventilation duct installation according to claim 1, characterized in that: An L-shaped plate (202) is fixedly mounted on the outer side of the L-shaped platform (201), a screw rod (205) passes through the L-shaped plate (202) and is rotatably connected to the L-shaped plate (202), a driven shaft (2017) is rotatably connected to the inner side wall of the L-shaped plate (202), a bevel gear 1 (209) is fixedly mounted on one end of the driven shaft (2017) away from the L-shaped plate (202), a bevel gear 2 (2010) is fixedly mounted on the outer side of the bidirectional screw rod (2011), and the bevel gear 2 (2010) is meshingly connected to the bevel gear 1 (209).

4. The auxiliary support device for fire ventilation duct installation according to claim 1, characterized in that: The outer side of the L-shaped platform (201) is rotatably connected to a driving shaft (2014); one end of the driving shaft (2014) away from the L-shaped platform (201) passes through the L-shaped plate (202) and is fixedly mounted with a turntable (2016); the driving shaft (2014) is rotatably connected to the L-shaped plate (202); a driving gear (2015) is fixedly mounted on the outer side of the driving shaft (2014); a driven gear (2018) is fixedly mounted on the outer side of the driven shaft (2017); and the driven gear (2018) is meshingly connected to the driving gear (2015).

5. The auxiliary support device for fire ventilation duct installation according to claim 1, characterized in that: The lifting mechanism (3) comprises a lifting plate (301) located between the base (1) and the L-shaped platform (201), a second cylinder (305) is fixedly installed between the lifting plate (301) and the base (1), two U-shaped round rods (302) both located below the L-shaped platform (201) are symmetrically fixedly connected to the top of the base (1), and the lifting plate (301) is movably sleeved on the outer sides of the two U-shaped round rods (302).

6. The auxiliary support device for fire ventilation duct installation according to claim 5, characterized in that: The bottom of the lifting plate (301) is fixedly installed with connecting columns (307) near the four corners, and the bottom end of each connecting column (307) is fixedly connected to the same bottom plate (306). The bottom plate (306) is sleeved on the outside of the second cylinder (305) and does not contact the second cylinder (305). The outside of each connecting column (307) is movably sleeved with the same lifting frame (304). Two cylinders (303) are symmetrically fixedly installed between the lifting frame (304) and the bottom plate (306). Two supporting columns (308) are symmetrically fixedly connected between the lifting frame (304) and the L-shaped platform (201). The two supporting columns (308) both penetrate the lifting plate (301) and are movably connected to the lifting plate (301).

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