Air duct equipment suspension device

Abstract

The utility model provides an air duct equipment suspension device which comprises a suspension base and a connecting pin, an air duct is arranged below the suspension base, suspension rods are installed at four corners of the bottom end of the suspension base in a rotating mode, rotating shafts are installed on the four sets of suspension rods in a pairwise mode, and the two sets of rotating shafts are in transmission connection with a driving mechanism. The outer walls of the bottom ends of the four sets of hanging rods are slidably sleeved with sliding bases through lifting mechanisms, and the four sets of sliding bases are jointly provided with hanging shafts in a pairwise mode. Compared with a traditional suspension device which needs a worker to uplift a heavy air duct for butt joint during installation of the air duct, the device is provided with the lifting mechanism, the second motor drives a worm, a worm gear, a gear and a rack, the sliding seat is accurately controlled to ascend and descend to adjust the height of the air duct, the worker does not need to carry out high-altitude lifting operation, labor intensity is greatly reduced, and working efficiency is improved. Operation errors caused by fatigue are reduced, safety accidents are effectively avoided, and the personal safety of workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical engineering technical field, more specifically, especially relate to a wind tube equipment suspension device. BACKGROUND

[0002] In all kinds of scenes involving ventilation demand, the application of wind tube equipment is extremely wide. Whether in the industrial field such as mine exploitation, tunnel construction, or in the construction of public facilities such as large underground parking lot, subway station, the wind tube is the key component of the ventilation system, responsible for conveying fresh air, discharging foul gas, guaranteeing the safety of the working environment and the normal breathing of personnel. In the scene such as tunnel construction, the installation and suspension of the wind tube are important links of the ventilation system building. However, the existing wind tube equipment suspension device has many problems, which has a negative impact on construction efficiency, personnel safety and engineering cost.

[0003] At present, the suspension length of many suspension devices is fixed. When installing the wind tube in the tunnel, the worker needs to lift the heavy wind tube to a certain height, so that it is connected with the suspension device fixed at the top of the tunnel. This process not only consumes a lot of physical strength, but also is of high labor intensity, and is easy to cause operation error due to worker fatigue, causing safety accidents. Especially in long tunnel construction, a large number of wind tubes need to be installed, and frequent high-altitude lifting operation makes the labor burden of the workers further heavier, which causes adverse effects on construction progress and the health of the workers.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a wind tube equipment suspension device is provided, so as to achieve the purpose of being more practical. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a wind tube equipment suspension device, which is achieved by the following specific technical means:

[0006] A wind tube equipment suspension device, comprising a suspension base and a connecting pin, a wind tube is arranged below the suspension base, a suspension rod is rotatably installed at the bottom of each corner of the suspension base, two groups of suspension rods are rotatably installed with a rotating shaft, two groups of rotating shafts are commonly connected with a driving mechanism, the outer wall of the bottom end of four groups of suspension rods is slidably sleeved with a sliding seat through a lifting mechanism, and two groups of sliding seats are commonly installed with a suspension shaft.

[0007] Preferably, the driving mechanism comprises a synchronous wheel fixedly sleeved on the outer wall of the two groups of rotating shafts, the outer wall of the two groups of synchronous wheels is commonly connected with a synchronous belt, one of the two groups of synchronous wheels is drivingly connected with a first motor, and the first motor is fixedly connected with the side wall of the suspension base through a fastener.

[0008] Preferably, the lifting mechanism comprises a worm rotatably installed in the sliding seat, one end of the worm is engaged with a worm gear, one end of the worm gear penetrates the outer side of the sliding seat and is drivingly connected with a second motor, the second motor is fixedly connected with the outer side of the sliding seat through fasteners, the worm gear is connected with a gear through a round shaft, the other end of the round shaft is rotatably connected with the inner wall of the sliding seat, one side of the gear is engaged with a rack, and the rack is installed on the opposite side of the gear relative to the hanging rod.

[0009] Preferably, the outer wall of the hanging base is provided with lifting handles on three sides, the hanging rod is provided with a T-shaped groove on one side, and the inner wall of the sliding seat is provided with a T-shaped strip matched with the T-shaped groove.

[0010] Preferably, the outer wall of the air duct is provided with two groups of connecting plates, the top side of each group of connecting plates is detachably provided with a fixing seat, and the two groups of hanging shafts are respectively arranged between the two groups of fixing seats and the two groups of connecting plates.

[0011] Preferably, the top end of each group of fixing seats is provided with a plurality of through holes, the top side of each group of connecting plates is provided with a threaded hole, the plurality of threaded holes are arranged opposite the corresponding through holes, and a threaded fixing pin is arranged in the opposite through hole and the threaded hole.

[0012] Preferably, the hanging rod, the hanging shaft and the sliding seat are made of high-strength aluminum alloy material.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model needs workers to lift the heavy air duct for butt joint, but the device is provided with a lifting mechanism, the worm gear and the gear rack are driven by the second motor, the height of the air duct is adjusted by accurately controlling the lifting of the sliding seat, the workers do not need to perform high-altitude lifting operation, the labor intensity is greatly reduced, the operation mistakes caused by fatigue are reduced, safety accidents are effectively avoided, and the personal safety of the workers is ensured.

[0015] 2. The first motor in the driving mechanism drives the rotating shaft through the synchronous belt, the hanging rod is rotated, and the horizontal angle of the air duct can be flexibly adjusted; the lifting mechanism can quickly adjust the height of the air duct, the air duct can be quickly installed in a suitable position in a tunnel construction scene, a lot of installation time is saved compared with the traditional method, the construction progress is accelerated, and the advantage is more obvious especially in the case of installing a large number of air ducts in a long tunnel; the device is convenient to install and maintain, and the use experience is improved: the lifting handles on the outer wall of the hanging base facilitate the carrying of the device; the air duct is detachably connected through the connecting plates, the fixing seats and the threaded fixing pins, the air duct is convenient to install, disassemble and replace, and the device is convenient to maintain; the hanging rod and the sliding seat are connected through the T-shaped groove and the T-shaped strip, the sliding is smooth, the sliding seat is prevented from being separated, the structural stability is enhanced, and the use experience is improved as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the utility model.

[0017] Figure 2 is a top view of the utility model.

[0018] Figure 3 is a side view of the utility model.

[0019] Figure 4 is Figure 3 is an enlarged view of structure A.

[0020] In the figure, the correspondence between the component names and the figure numbers is as follows:

[0021] 1, hanging base; 2, connecting pin; 3, air duct; 4, connecting plate; 5, fixed seat; 6, hanging shaft; 7, hanging rod; 8, rotating shaft; 9, synchronous belt; 10, first motor; 11, handle; 12, sliding seat; 13, lifting mechanism; 131, worm; 132, worm gear; 133, gear; 134, rack; 135, second motor; 14, T-shaped strip; 15, T-shaped groove. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments.

[0023] Embodiment:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 :

[0025] The utility model provides a kind of air duct equipment suspension device, including hanging base 1 and connecting pin 2, the lower portion of hanging base 1 is provided with air duct 3, the bottom end of hanging base 1 four corners is rotatably installed with hanging rod 7, four groups of hanging rod 7 are pairwise commonly installed with rotating shaft 8, two groups of rotating shaft 8 are commonly transmission connected with driving mechanism, the bottom end outer wall of four groups of hanging rod 7 is slidably sleeved with sliding seat 12 by lifting mechanism 13, four groups of sliding seat 12 are pairwise commonly installed with hanging shaft 6.

[0026] Among them, driving mechanism includes synchronous pulley fixedly sleeved on the outer wall of two groups of rotating shaft 8, the outer wall of two groups of synchronous pulley is commonly connected with synchronous belt 9, one group of synchronous pulley is transmission connected with first motor 10, and first motor 10 is fixedly connected with the side wall of hanging base 1 by fastener.

[0027] The lifting mechanism 13 comprises a worm 131 rotatably installed in the sliding seat 12, one end of the worm 131 is engagedly installed with a worm wheel 132, one end of the worm wheel 132 penetrates through the outer side of the sliding seat 12 and is drivingly connected with a second motor 135, the second motor 135 is fixedly connected with the outer side of the sliding seat 12 through fasteners, the worm wheel 132 is connected with a gear 133 through a round shaft, the other end of the round shaft is rotatably connected with the inner wall of the sliding seat 12, one side of the gear 133 is engagedly installed with a rack 134, the rack 134 is installed on the side opposite to the gear 133 relative to the hanging rod 7, the driving mode of the worm 131, the worm wheel 132, the gear 133 and the rack 134 has a large transmission ratio and self-locking function, the lifting height of the sliding seat 12 can be accurately controlled, the position adjustment accuracy of the air duct 3 in the vertical direction is ensured, and the sliding seat 12 can be prevented from sliding downward by itself when the driving is stopped, thereby improving the safety and reliability of the device.

[0028] The outer wall of the hanging base 1 is provided with three handles 11, one side of the hanging rod 7 is provided with a T-shaped groove 15, and the inner wall of the sliding seat 12 is provided with a T-shaped strip 14 matched with the T-shaped groove 15, the sliding seat 12 is slidingly connected with the hanging rod 7 through the T-shaped strip 14, and the handles 11 facilitate the carrying and installation of the entire hanging device.

[0029] The outer wall of the air duct 3 is provided with two groups of connecting plates 4, the top side of each group of connecting plates 4 is detachably provided with a fixing seat 5, and the two groups of hanging shafts 6 are arranged opposite to each other between the two groups of fixing seats 5 and the two groups of connecting plates 4. The detachable connection facilitates the installation, disassembly and replacement of the air duct 3, facilitates the maintenance and repair work, and improves the use flexibility and maintainability of the device.

[0030] The top sides of the two groups of fixing seats 5 are provided with a plurality of through holes, the top sides of the two groups of connecting plates 4 are provided with threaded holes, the plurality of threaded holes are arranged opposite to the corresponding through holes, threaded fixing pins are arranged in the opposite through holes and threaded holes, the bottom ends of the two groups of fixing seats 5 are provided with avoiding grooves matched with the outer walls of the hanging shafts 6, and the fixing mode makes the connection between the air duct 3 and the hanging shaft 6 more firm and reliable, and can bear the weight of the air duct 3 and various forces in the use process. The design of the avoiding grooves can avoid the interference between the hanging shaft 6 and the fixing seat 5, and ensure the normal operation of the device.

[0031] The hanging rod 7, the hanging shaft 6 and the sliding seat 12 are made of high-strength aluminum alloy material.

[0032] The working principle of the embodiment is as follows: four groups of suspension rods 7 are rotated to the vertical state, then the wind cylinder 3 is moved below the suspension device, the connecting plate 4 of the outer wall of the wind cylinder 3 is aligned with the suspension shaft 6, then the connecting plate 4 is lifted to abut against the suspension shaft 6, then two groups of fixing bases 5 are placed on the top side of the connecting plate 4, and the installation is completed by screwing the threaded fixing pins after the wind cylinder 3 is installed, after the wind cylinder 3 is installed, the second motor 135 is started, which drives the worm wheel 132 to rotate, the worm wheel 132 drives the worm 131, and then the transmission components in the sliding seat 12 work, the worm wheel 132 drives the gear 133, the gear 133 is engaged with the gear rack 134 on the suspension rod 7, the sliding seat 12 slides along the track formed by the T-shaped slot 15 and the T-shaped strip 14, and the wind cylinder 3 rises and falls, when the wind cylinder 3 reaches the appropriate height, the second motor 135 is stopped, and the self-locking function of the transmission is used to stabilize the height of the wind cylinder 3, if the angle of the wind cylinder 3 still needs to be adjusted, the first motor 10 is started again, which drives the synchronous wheel, drives the other group of synchronous wheels to rotate through the synchronous belt 9, and drives the rotating shaft 8 to rotate synchronously, the suspension rod 7 rotates synchronously, the angle adjustment of the wind cylinder 3 in the horizontal direction is realized, and the first motor 10 is stopped when the required angle is reached.

[0033] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A suspension device for a ventilation duct, comprising a suspension base (1) and a connecting pin (2), characterized in that... A duct (3) is provided below the suspension base (1). Suspension rods (7) are rotatably installed at the four corners of the bottom end of the suspension base (1). The four sets of suspension rods (7) are connected to a rotating shaft (8) in pairs. The two sets of rotating shafts (8) are connected to a driving mechanism. The bottom outer wall of the four sets of suspension rods (7) is slidably fitted with a slide seat (12) through a lifting mechanism (13). The four sets of slide seats (12) are connected to a suspension shaft (6) in pairs.

2. The suspension device for the ventilation duct equipment according to claim 1, characterized in that... The drive mechanism includes synchronous pulleys fixedly mounted on the outer walls of two sets of rotating shafts (8). The outer walls of the two sets of synchronous pulleys are connected to a synchronous belt (9). One set of synchronous pulleys is connected to a first motor (10). The first motor (10) is fixedly connected to the side wall of the suspension base (1) by fasteners.

3. The suspension device for the ventilation duct equipment according to claim 1, characterized in that... The lifting mechanism (13) includes a worm gear (131) rotatably mounted in the slide (12). One end of the worm gear (131) is meshed with a worm wheel (132). One end of the worm wheel (132) passes through the outside of the slide (12) and is connected to a second motor (135). The second motor (135) is fixedly connected to the outside of the slide (12) by fasteners. The worm wheel (132) is connected to a gear (133) through a round shaft. The other end of the round shaft is rotatably connected to the inner wall of the slide (12). A rack (134) is meshed on one side of the gear (133). The rack (134) is mounted on the opposite side of the suspension rod (7) and the gear (133).

4. The ventilation duct equipment suspension device according to claim 3, characterized in that... The suspension base (1) has handles (11) installed on three sides of its outer wall. The suspension rod (7) has a T-slot (15) on one side. The inner wall of the slide (12) is provided with a T-strip (14) that matches the T-slot (15). The slide (12) is slidably connected to the suspension rod (7) through the T-strip (14).

5. The suspension device for the ventilation duct equipment according to claim 1, characterized in that... The outer wall of the air duct (3) is equipped with two sets of connecting plates (4). The top side of each of the two sets of connecting plates (4) can be detachably installed with a fixing seat (5). The two sets of suspension shafts (6) are respectively abutted between the two sets of fixing seats (5) and the two sets of connecting plates (4).

6. The suspension device for the ventilation duct equipment according to claim 5, characterized in that... Multiple through holes are provided on both sides of the top of the two sets of fixed seats (5), and threaded holes are provided on the top side of the two sets of connecting plates (4). The multiple sets of threaded holes are arranged opposite to the corresponding through holes. Threaded fixing pins are provided in the corresponding through holes and threaded holes. The bottom of the two sets of fixed seats (5) is provided with a clearance groove that matches the outer wall of the suspension shaft (6).

7. The suspension device for the ventilation duct equipment according to claim 1, characterized in that... The suspension rod (7), suspension shaft (6) and slide (12) are all made of high-strength aluminum alloy.

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