Fire-fighting bus duct with built-in hoisting structure

Abstract

The utility model relates to the technical field of fire-fighting bus ducts, and discloses a fire-fighting bus duct with a built-in hoisting structure, which solves the problem that the connection position of a hoisting rod and the fire-fighting bus duct cannot be adjusted according to the installation requirement at present, and comprises a fire-fighting bus duct body, and an installation frame is fixedly installed on the outer side of the fire-fighting bus duct body. An adjusting mechanism is mounted on the mounting frame; according to the utility model, the screw rod is matched with the screw sleeve, and the limiting rod is matched with the sleeve block, so that the screw sleeve can move horizontally when the turntable is rotated, the guide blocks can slide along the guide rods conveniently through the matching between the movable rod and the guide blocks and the matching between the guide rods and the supporting wheel, and a plurality of balls are arranged between the guide blocks and the guide rods; direct contact between the guide block and the guide rod is avoided, friction force borne by the guide block during sliding is reduced, then the position of the guide block can be changed, and therefore the connection position between the hanging rod and the fire-fighting bus duct body can be adjusted conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting bus ducts, in particular to a fire-fighting bus duct with a built-in hoisting structure. Background Art

[0002] The fire bus duct is a special power transmission equipment, which is widely used in fire protection systems. It consists of a group of metal conductors, which are fixed on the bracket by insulating materials to form a continuous power transmission channel. This bus duct can withstand a certain current and voltage and is used to transmit electrical energy. In the fire protection system, the fire bus duct is mainly used to provide a stable power supply for fire protection equipment. It has the characteristics of fire prevention, explosion prevention, and corrosion resistance, and can ensure the normal operation of fire protection equipment in emergency situations such as fire. In addition, the fire bus duct also has higher fire resistance and greater current transmission capacity to adapt to the high-load operation of fire protection equipment in emergency situations. The fire bus duct needs to be hoisted by a boom when in use:

[0003] At present, the hanger is mostly fixed to the top of the fire bus duct by bolts. Since the installation position of the hanger is fixed, it is impossible to adjust the connection position of the hanger and the fire bus duct according to installation requirements. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fire bus duct with a built-in lifting structure, which effectively solves the problem that the connection position of the suspension rod and the fire bus duct cannot be adjusted according to installation requirements.

[0005] To achieve the above object, the utility model provides the following technical solution: a fire bus duct with a built-in hoisting structure, comprising a fire bus duct body, a mounting frame fixedly mounted on the outer side of the fire bus duct body, an adjusting mechanism mounted on the mounting frame, a fixing mechanism mounted on the adjusting mechanism, and a hanging rod on the fixing mechanism;

[0006] The adjusting mechanism includes a guide rod fixed on the mounting frame, the outer side of the guide rod is symmetrically and movably connected with two guide blocks, the middle part of the outer side of the guide rod is fixedly connected with a sleeve block, the sleeve block is located between the two guide blocks, the outer side of the sleeve block is rotatably connected with a screw rod, the end of the screw rod away from the sleeve block is fixedly installed with a turntable, the outer side of the screw rod is threadedly sleeved with a screw sleeve, the outer side of the screw sleeve is symmetrically and movably connected with two movable rods, and the ends of the two movable rods away from the screw sleeve are respectively movably connected to the two guide blocks.

[0007] Preferably, a side of the screw sleeve close to the sleeve block is fixedly connected to a limiting rod, an end of the limiting rod away from the screw sleeve passes through the sleeve block and is fixedly installed with the limiting block, and the limiting rod is movably connected to the sleeve block.

[0008] Preferably, a support wheel is provided at the bottom of the guide block, the support wheel is located at the top of the fire bus duct body, an annular groove is provided in the guide block, balls are installed at equal angles in the annular groove, and each ball is fitted with the outer wall of the guide rod.

[0009] Preferably, the fixing mechanism comprises a mounting frame fixed to the top of the guide block, a bottom block is sleeved inside the mounting frame, and the bottom end of the suspension rod is fixed to the top of the bottom block.

[0010] Preferably, a side rod is fixedly installed on the outer side of the mounting frame, a side block is fixedly installed on the end of the side rod away from the mounting frame, a slide plate is movably sleeved on the outer side of the side rod, a spring is fixedly connected between the slide plate and the mounting frame, the spring is sleeved on the outer side of the side rod, a U-shaped round rod is fixedly installed on the side of the slide plate away from the side block, the mounting frame passes through the U-shaped round rod, a fixing plate is fixedly sleeved on the outer side of the U-shaped round rod, the mounting frame is located between the fixing plate and the slide plate, a mounting column is fixedly installed on the side of the bottom block close to the fixing plate, the fixing plate is sleeved on the outer side of the mounting column, a side groove is provided on the side of the mounting frame close to the fixing plate, and the mounting column is sleeved inside the side groove.

[0011] Preferably, two sliding blocks are symmetrically fixedly sleeved on the outer side of the U-shaped round rod, and two sliding grooves are symmetrically arranged on the outer side of the installation frame, and the two sliding blocks are slidably connected to the two sliding grooves respectively.

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

[0013] (1) The utility model facilitates the horizontal movement of the screw sleeve when the turntable is rotated through the cooperation between the screw rod and the screw sleeve and the limit rod and the sleeve block, and facilitates the sliding of the guide block along the guide rod through the cooperation between the movable rod and the guide block and the guide rod and the support wheel, and a plurality of balls are arranged between the guide block and the guide rod to avoid direct contact between the guide block and the guide rod, reduce the friction force on the guide block when sliding, and then change the position of the guide block, so as to facilitate the adjustment of the connection position between the suspension rod and the fire bus duct body;

[0014] (2) The new type facilitates the placement of the hanger on the installation frame through the cooperation between the bottom block and the installation frame, and the side groove and the installation column. The cooperation between the side rod, the slide plate and the spring facilitates the movement of the slide plate. The cooperation between the U-shaped round rod, the slider and the slide groove facilitates the movement of the fixed plate and the sleeve on the outside of the installation column. Then, the bottom block can be fixed in the installation frame, thereby facilitating the connection and fixation of the hanger to the fire bus duct body. 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 fire bus duct structure with a built-in hoisting structure of the utility model;

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

[0019] Figure 3 This is a schematic diagram of the structure of the guide block of the utility model;

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

[0021] In the figure: 1. Fire bus duct body; 2. Adjustment mechanism; 201. Guide rod; 202. Limit rod; 203. Screw sleeve; 204. Turntable; 205. Movable rod; 206. Guide block; 207. Screw rod; 208. Sleeve block; 209. Limit block; 2010. Ball; 2011. Annular groove; 2012. Support wheel; 3. Fixing mechanism; 301. Mounting frame; 302. Slide plate; 303. Side block; 304. Side rod; 305. Spring; 306. Bottom block; 307. Side groove; 308. U-shaped round rod; 309. Mounting column; 3010. Fixing plate; 3011. Slide groove; 3012. Slider; 4. Mounting frame; 5. Suspension rod. 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 1 The utility model comprises a fire bus duct body 1, a mounting frame 4 is fixedly installed on the outer side of the fire bus duct body 1, an adjusting mechanism 2 is installed on the mounting frame 4, a fixing mechanism 3 is installed on the adjusting mechanism 2, and a suspension rod 5 is provided on the fixing mechanism 3.

[0024] Specifically, by Figure 2-3The adjusting mechanism 2 includes a guide rod 201 fixed on the mounting frame 4, the outer side of the guide rod 201 is symmetrically and movably connected to two guide blocks 206, the middle part of the outer side of the guide rod 201 is fixedly connected to a sleeve block 208, the sleeve block 208 is located between the two guide blocks 206, the outer side of the sleeve block 208 is rotatably connected to a screw rod 207, the end of the screw rod 207 away from the sleeve block 208 is fixedly installed with a turntable 204, the outer side of the screw rod 207 is threadedly sleeved with a screw sleeve 203, the outer side of the screw sleeve 203 is symmetrically and movably connected to two movable rods 205, the ends of the two movable rods 205 away from the screw sleeve 203 They are movably connected with two guide blocks 206 respectively, one side of the screw sleeve 203 close to the sleeve block 208 is fixedly connected with the limit rod 202, one end of the limit rod 202 away from the screw sleeve 203 passes through the sleeve block 208 and is fixedly installed with the limit block 209, and the limit rod 202 is movably connected with the sleeve block 208, a support wheel 2012 is provided at the bottom of the guide block 206, and the support wheel 2012 is located at the top of the fire bus duct body 1, and an annular groove 2011 is provided in the guide block 206, and balls 2010 are installed at equal angles in the annular groove 2011, and each ball 2010 is fitted with the outer wall of the guide rod 201;

[0025] When in use, first rotate the turntable 204 to drive the screw rod 207 to rotate. Since the limit rod 202 passes through the sleeve block 208, it drives the screw sleeve 203 to move horizontally, and drives the two guide blocks 206 to slide along the guide rod 201 through the two movable rods 205. Since the bottoms of the two guide blocks 206 are provided with support wheels 2012 located on the top of the fire bus duct body 1, the stability of the movement of the two guide blocks 206 is ensured, and a plurality of ball bearings 2010 are arranged between the guide blocks 206 and the guide rod 201 to avoid direct contact between the guide blocks 206 and the guide rod 201, reduce the friction force of the guide blocks 206 when sliding, thereby changing the position of the guide blocks 206, and finally adjust the connection position between the suspension rod 5 and the fire bus duct body 1.

[0026] Specifically, by Figure 4The fixing mechanism 3 includes a mounting frame 301 fixed to the top of the guide block 206, the mounting frame 301 is sleeved with a bottom block 306, the bottom end of the suspension rod 5 is fixed to the top of the bottom block 306, the outer side of the mounting frame 301 is fixedly installed with a side rod 304, the side rod 304 is fixedly installed with a side block 303 at one end away from the mounting frame 301, the outer side of the side rod 304 is movably sleeved with a slide plate 302, a spring 305 is fixedly connected between the slide plate 302 and the mounting frame 301, the spring 305 is sleeved on the outer side of the side rod 304, the side of the slide plate 302 away from the side block 303 is fixedly installed with a U-shaped round rod 308, the mounting frame 301 passes through the U-shaped round rod 3 08, a fixing plate 3010 is fixedly sleeved on the outer side of the U-shaped round rod 308, the mounting frame 301 is located between the fixing plate 3010 and the sliding plate 302, a mounting column 309 is fixedly installed on the side of the bottom block 306 close to the fixing plate 3010, the fixing plate 3010 is sleeved on the outer side of the mounting column 309, a side groove 307 is provided on the side of the mounting frame 301 close to the fixing plate 3010, the mounting column 309 is sleeved inside the side groove 307, two sliders 3012 are symmetrically fixedly sleeved on the outer side of the U-shaped round rod 308, two slide grooves 3011 are symmetrically provided on the outer side of the mounting frame 301, and the two sliders 3012 are slidably connected with the two slide grooves 3011 respectively;

[0027] When in use, first pull the U-shaped round rod 308 to drive the fixed plate 3010 to move and move away from the installation frame 301. At the same time, the two sliders 3012 slide along the two slide grooves 3011 respectively to ensure the stability of the U-shaped round rod 308 when moving, and then drive the slide plate 302 to slide along the side rod 304. At this time, the spring 305 is compressed, and then the bottom block 306 is inserted into the installation frame 301, and the installation column 309 slides into the side groove 307, and then the control of the U-shaped round rod 308 is released. At this time, the spring 305 resets and drives the slide plate 302 to slide along the side rod 304 and away from the installation frame 301, and then drives the fixed plate 3010 to move through the U-shaped round rod 308 until the fixed plate 3010 is sleeved on the outside of the installation column 309, fixes the bottom block 306 in the installation frame 301, and finally connects and fixes the suspension rod 5 to the fire bus duct body 1.

Claims

1. A fire bus duct with a built-in hoisting structure, comprising a fire bus duct body (1), characterized in that: A mounting frame (4) is fixedly mounted on the outer side of the fire bus duct body (1); an adjusting mechanism (2) is mounted on the mounting frame (4); a fixing mechanism (3) is mounted on the adjusting mechanism (2); and a suspension rod (5) is provided on the fixing mechanism (3); The adjustment mechanism (2) comprises a guide rod (201) fixed on a mounting frame (4); two guide blocks (206) are symmetrically and movably sleeved on the outer side of the guide rod (201); a sleeve block (208) is fixedly sleeved on the middle part of the outer side of the guide rod (201); the sleeve block (208) is located between the two guide blocks (206); a screw rod (207) is rotatably connected on the outer side of the sleeve block (208); a rotating disk (204) is fixedly mounted on one end of the screw rod (207) away from the sleeve block (208); a screw sleeve (203) is threadedly sleeved on the outer side of the screw rod (207); two movable rods (205) are symmetrically and movably connected on the outer side of the screw sleeve (203); and one end of the two movable rods (205) away from the screw sleeve (203) is movably connected to the two guide blocks (206) respectively.

2. The fire bus duct with a built-in hoisting structure according to claim 1 is characterized in that: The side of the screw sleeve (203) close to the sleeve block (208) is fixedly connected to the limiting rod (202), the end of the limiting rod (202) away from the screw sleeve (203) passes through the sleeve block (208) and is fixedly installed with the limiting block (209), and the limiting rod (202) is movably connected to the sleeve block (208).

3. The fire bus duct with a built-in hoisting structure according to claim 1 is characterized in that: A support wheel (2012) is provided at the bottom of the guide block (206), and the support wheel (2012) is located at the top of the fire bus duct body (1). An annular groove (2011) is provided in the guide block (206), and balls (2010) are installed at equal angles in the annular groove (2011), and each ball (2010) is in contact with the outer wall of the guide rod (201).

4. The fire bus duct with a built-in hoisting structure according to claim 1 is characterized in that: The fixing mechanism (3) comprises a mounting frame (301) fixed to the top of the guide block (206), a bottom block (306) is sleeved inside the mounting frame (301), and the bottom end of the suspension rod (5) is fixed to the top of the bottom block (306).

5. The fire bus duct with a built-in hoisting structure according to claim 4 is characterized in that: A side rod (304) is fixedly installed on the outer side of the installation frame (301); a side block (303) is fixedly installed on one end of the side rod (304) away from the installation frame (301); a slide plate (302) is movably sleeved on the outer side of the side rod (304); a spring (305) is fixedly connected between the slide plate (302) and the installation frame (301); the spring (305) is sleeved on the outer side of the side rod (304); a U-shaped round rod (308) is fixedly installed on one side of the slide plate (302) away from the side block (303); the installation frame (301) passes through the U The U-shaped round rod (308) is fixedly sleeved with a fixing plate (3010) on the outer side of the U-shaped round rod (308); the mounting frame (301) is located between the fixing plate (3010) and the sliding plate (302); a mounting column (309) is fixedly mounted on a side of the bottom block (306) close to the fixing plate (3010); the fixing plate (3010) is sleeved on the outer side of the mounting column (309); a side groove (307) is provided on a side of the mounting frame (301) close to the fixing plate (3010); and the mounting column (309) is sleeved inside the side groove (307).

6. The fire bus duct with a built-in hoisting structure according to claim 5, characterized in that: Two sliders (3012) are symmetrically and fixedly sleeved on the outer side of the U-shaped round rod (308), and two slide grooves (3011) are symmetrically arranged on the outer side of the installation frame (301), and the two sliders (3012) are slidably connected to the two slide grooves (3011) respectively.

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