CN110329924B - Air conditioner outdoor unit hoisting device - Google Patents

Abstract

A hoisting device for an outdoor unit of an air conditioner comprises a supporting boom unit, a sling unit and a sling winding and pulling unit. The supporting boom unit includes a fixed boom adapted to pass through the perforation of the wall, and a movable boom hingedly connected with the end of the fixed boom which is adapted to pass through the perforation of the wall and protrude outside the wall; the sling unit includes A third pulley located in the inner cavity of the movable boom and located at the hinge of the fixed boom and the movable boom, and a first pulley located in the inner cavity of the movable boom and located at the end of the movable boom away from the fixed boom A pulley and a second pulley, and a sling suitable for winding on the outer circumferential surfaces of the third pulley, the first pulley and the second pulley at the same time; A cable reel for winding the sling, a transmission shaft for driving the cable reel to rotate, and a power structure for driving the transmission shaft to rotate. The invention can hoist the outdoor unit from indoors, thereby reducing the hoisting difficulty of the outdoor unit of the air conditioner.

Description

Air conditioner outdoor unit hoisting device

technical field

The invention relates to the field of air conditioner installation, in particular to a hoisting device for an outdoor unit of an air conditioner.

Background technique

The installation of the current air conditioner outdoor unit mostly relies on the installer to manually move the air conditioner outdoor unit on the bracket at high altitude. Manually moving and installing the air conditioner outdoor unit not only consumes a lot of physical strength, but also is very dangerous and easy to install. An accident occurs, causing personal injury to the installer. Accordingly, there is an urgent need for a safe, practical and simple-to-operate hoisting device for the outdoor unit of the air conditioner.

The utility model with the patent publication number CN208103802U discloses an air conditioner hoisting device. The technical scheme of the utility model is that it comprises a hoisting pipe, a telescopic bracket, a hanging basket and two fixing nuts, one end of the hoisting pipe is provided with a mounting thread, and the two fixing nuts can be installed on the On the installation thread of the hoisting pipe, the end of the hoisting pipe with the installation thread is arranged through the wall, the end of the hoisting pipe with the installation thread is arranged in the room, and the end of the hoisting pipe without the installation thread is arranged in the room. Outdoor, the wall body is provided with a wall hole, the wall hole is provided with an installation sleeve, the indoor end of the hoisting pipe is installed in the installation sleeve, and the two fixing nuts are opposite to each other. Symmetrically arranged on the wall, the two fixing nuts cooperate with the installation sleeve to complete the installation and fixation of the hoisting pipe on the wall, and the telescopic bracket is arranged between the wall and the hoisting pipe. Between the outdoor ends, the outer end of the hoisting pipe is provided with a driven wheel at the end away from the wall, and the end of the indoor end of the hoisting pipe away from the wall is provided with a driving wheel. A power device is provided on the wheel, and the driven wheel and the driving wheel are connected by means of a transmission rope, and the transmission rope runs through the inside of the hoisting pipe.

The disadvantages of a kind of air-conditioning hoisting equipment disclosed by the utility model with the patent publication number CN208103802U are: 1. The end of the hoisting pipe outdoor end away from the wall body cannot move along the horizontal direction of the wall body, resulting in the end located at the outdoor end of the transmission rope. The hanging basket ring at the top of the hoisting tube can only be moved up and down just below the end of the hoisting tube room that is far away from the wall, that is, the outdoor unit of the air conditioner can only be hoisted to the installation position directly below the end of the hoisting tube room. If the hoisted air conditioner If the installation position of the outdoor unit deviates far below the outdoor end of the hoisting pipe, it is difficult for this kind of air-conditioning hoisting equipment to function; ② Because the telescopic bracket and the hanging ring are located on the outdoor side, and there is also a fixed nut on the outdoor side, so When installing and disassembling this kind of air-conditioning hoisting equipment, the installer cannot complete the installation and disassembly of the telescopic bracket, the hanging ring, and the fixing nut on the outdoor side, and can only install and remove it on the outdoor side. Dangerous and prone to accidents.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air conditioner outdoor unit hoisting device to solve the technical problem of facilitating the hoisting of the air conditioner outdoor unit from indoors.

The air conditioner outdoor unit hoisting device of the present invention is realized as follows:

A hoisting device for an outdoor unit of an air conditioner, comprising: a supporting boom unit, a sling unit and a sling winding and pulling unit;

The supporting boom unit includes a fixed boom adapted to pass through the perforation of the wall, and a movable boom hingedly connected to the end of the fixed boom which is adapted to pass through the perforation of the wall and protrude outside the wall. arm; both the fixed boom and the movable boom are hollow tubular structures;

The sling unit includes a third pulley arranged in the inner cavity of the movable jib and located at the hinge of the fixed jib and the movable jib, arranged in the inner cavity of the movable jib and located in the movable jib a first pulley and a second pulley away from the end of the fixed boom, and a sling adapted to be wound around the outer circumferential surfaces of the third pulley, the first pulley and the second pulley at the same time;

The sling winding and pulling unit includes a sling drum, which is arranged on the inner part of the fixed boom and is suitable for winding slings, and a transmission shaft that is fixedly connected with the sling drum to drive the sling drum to rotate. , and a power structure that drives the transmission shaft to rotate.

In a preferred embodiment of the present invention, the fixed boom is a tubular body with a circular cross-section;

The movable boom is a tubular body with a rectangular section.

In a preferred embodiment of the present invention, both ends of the transmission shaft are respectively rotatably supported on the pipe wall of the end of the fixed boom located inside the wall, and the axis of the transmission shaft is perpendicular to the axis of the fixed boom ;

The power structure includes a worm wheel at one end of the transmission shaft that protrudes out of the pipe wall of the fixed boom and is coaxially fixed by a key or pin, a worm that meshes with the worm wheel, and one end is coaxial with the worm. A fixed worm shaft, and a shank fixed with the other end of the worm shaft.

In a preferred embodiment of the present invention, the movable boom is hinged with the fixed boom through a third fixed shaft; the third pulley is rotatably sleeved on the third fixed shaft;

An annular groove suitable for sling winding is provided along the circumference of the outer cylindrical surface of the third pulley; and

A first fixed shaft and a second fixed shaft are fixed at the end of the movable boom away from the fixed boom, and the axes of the first fixed shaft and the second fixed shaft are parallel to each other, and the first pulley rotates is sleeved on the first fixed shaft, and the second pulley is rotatably sleeved on the second fixed shaft;

An annular groove suitable for sling winding is respectively opened along the circumference of the outer cylindrical surface of the first pulley and the second pulley, and

The first pulley and the second pulley are arranged side by side so that the annular grooves respectively provided on the first pulley and the second pulley are opposite and aligned to form a suitable The aperture through which the sling passes.

In a preferred embodiment of the present invention, the air conditioner outdoor unit hoisting device further comprises a boom swing driving mechanism suitable for the movable boom to swing relative to the fixed boom;

The boom swinging drive mechanism includes a shank shaft that penetrates through the pipe wall of the fixed boom and is located at one end of the inner side of the wall and is rotatably supported on the pipe wall of the fixed boom; A turning handle with an outer end fixed, a crank with one end fixed with the end of the turning shaft shaft located inside the tube hole of the fixed boom, and a crank with one end hingedly connected to the other end of the crank through the first hinge shaft connecting rod; of which

The connecting rod is located in the pipe hole of the fixed boom, and the other end of the connecting rod is hingedly connected to the movable boom through a second hinge shaft.

In a preferred embodiment of the present invention, the air conditioner outdoor unit hoisting device further includes a position adjustment mechanism;

The position adjustment mechanism includes a section of external gear ring provided on the outer cylindrical surface of the fixed boom, a fixing plate sleeved on the fixed boom and suitable for inlaying with the gear teeth of the external gear ring , and the bolt holes opened on the fixing plate; wherein

The gear teeth of the outer gear ring are evenly distributed along the circumferential array of the outer cylindrical surface of the fixed boom, and the gear teeth of the outer gear ring are arranged protruding from the outer cylindrical surface of the fixed boom;

The fixing plate has a large hole suitable for the fixed boom to pass through, and an inner gear ring suitable for being inlaid with the outer gear ring is arranged on the inner cylindrical surface of the large hole;

The bolt hole is suitable for a fixing bolt to be inserted into the wall for fastening after passing through.

In a preferred embodiment of the present invention, the air conditioner outdoor unit hoisting device further comprises a locking mechanism suitable for locking and fixing the hanging arm;

The locking mechanism comprises a locking screw hole opened on the inner gear ring of the fixing plate along the radial direction of the inner gear ring, and a locking screw screwed into the locking screw hole;

The locking screw holes are through holes.

Compared with the air conditioner hoisting device disclosed by the utility model with publication number CN208103802U, the air conditioner outdoor unit hoisting device of the present invention can be installed in the perforation of the air conditioner pipeline wall on the wall, and the installer only needs to be indoors to complete the installation. The installation and removal of the hoisting device of the outdoor unit of the air conditioner is convenient for installation and removal, which can effectively reduce the difficulty and danger of hoisting the outdoor unit of the air conditioner.

Further, by setting the position adjustment mechanism, the position of the hoisting end of the movable arm for hoisting the outdoor unit of the air conditioner relative to the horizontal direction of the wall, and the distance of the hoisting end relative to the outer wall of the wall can be adjusted. Adjust the horizontal position of the hoisted air conditioner outdoor unit relative to the wall and the distance relative to the outer wall of the wall, so as to achieve the effect of hoisting the air conditioner outdoor unit installed directly below the perforation of the air conditioner pipeline wall.

Description of drawings

Below is a brief description of the content expressed in the drawings of this specification and the symbols in the drawings:

1 is a front view of the air conditioner outdoor unit hoisting device according to the present invention;

Fig. 2 is a plan view relative to Fig. 1, showing the plan structure of the air conditioner outdoor unit hoisting device, and also showing that the movable boom can swing relative to the fixed boom;

Fig. 3 is a left side view relative to Fig. 1, showing the left view structure of the air conditioner outdoor unit hoisting device, and also shows that the hoisting end rotates around the axis of the fixed jib, and the horizontal direction of the hoisting end relative to the wall can be adjusted. Position, that is, adjust the horizontal position of the lifted air conditioner outdoor unit in the horizontal direction of the outer wall of the wall;

FIG. 4 is a partial view of the direction A of FIG. 1, showing the structure of the sling winding and pulling unit;

Fig. 5 is the B-B sectional view of Fig. 1, shows the structure that the fixed plate is provided with the inner gear ring, the inner gear ring and the outer gear ring on the fixed boom; also shows the locking mechanism for locking the fixed boom;

6 is a front view of a boom swing driving mechanism that drives the movable boom to swing relative to the fixed boom;

FIG. 7 is a plan view of FIG. 6 .

The symbols in the drawings are: fixed boom 1, outer cylindrical surface 1-1, outer gear 1-2, movable boom 2, lifting end 2-1, third fixed shaft 3, third pulley 4, first Fixed shaft 5, first pulley 6, second fixed shaft 7, second pulley 8, sling 9, reel 10, transmission shaft 11, worm gear 12, worm 13, worm shaft 13-1, handle 14, handle 15. Bearing seat 16, handle shaft 17, handle 18, crank 19, connecting rod 20, first hinge shaft 21, second hinge shaft 22, fixing plate 23, ring gear 23-1, fixing bolt 24, wall Body 25 , wall through hole 25 - 1 , air conditioner outdoor unit 26 , locking screw hole 27 , locking screw 28 .

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all of them. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

Please refer to FIG. 1 , FIG. 2 , and FIG. 3 , the hoisting device for the outdoor unit of the air conditioner in this embodiment includes: a supporting boom unit, a sling unit and a sling winding and pulling unit.

Please refer to Fig. 1, Fig. 2, Fig. 3, the supporting boom unit includes a fixed boom 1 adapted to pass through the wall through hole 25-1, and the fixed boom 1 is adapted to pass through the wall through hole 25-1 to extend backward The movable boom 2 is hingedly connected to the ends outside the wall 25 (the outer side of the wall 25 refers to the outdoor side of the wall 25 ); the fixed boom 1 and the movable boom 2 are both hollow tubular structures. The sling unit includes a third pulley 4 arranged in the inner cavity of the movable jib 2 and located at the hinged joint of the fixed jib 1 and the movable jib 2, and arranged in the inner cavity of the movable jib 2 and located in the movable jib 2 The first pulley 6 and the second pulley 8 away from the end of the fixed boom 1 , and the sling 9 adapted to be wound around the outer circumferential surfaces of the third pulley 4 , the first pulley 6 and the second pulley 8 at the same time. Please refer to FIG. 1 and FIG. 4 , the sling winding and pulling unit includes a reel that is arranged on the part of the fixed boom 1 located inside the wall 25 (the inner side of the wall 25 refers to the indoor side of the wall 25 ) and is suitable for winding the sling 9 A cable drum 10 , a transmission shaft 11 fixedly connected with the cable drum 10 to drive the cable drum 10 to rotate, and a power structure for driving the transmission shaft 11 to rotate.

In detail, please refer to FIGS. 1 , 2 and 3 . Taking a situation as an example, the fixed boom 1 is a tubular body with a circular cross section, and the movable boom 2 is a tubular body with a rectangular cross section. The fixed boom 1 is inserted through the air-conditioning pipeline wall through hole 25 - 1 on the wall 25 , and the two ends of the fixed boom 1 are placed on the outdoor side and the indoor side of the wall 25 respectively. One end of the movable boom 2 is inserted into the nozzle of the outdoor side end of the fixed boom 1 and is hinged with the outdoor side end of the fixed boom 1 through the third fixed shaft 3, so that the movable boom 2 can swing relative to the fixed boom 1 , Preferably, the swing angle of the movable boom 2 relative to the fixed boom 1 is preferably slightly larger than 90°. Please refer to FIG. 2 and FIG. 3 , a third pulley 4 is rotated in the middle of the third fixed shaft 3 , and the third pulley 4 is located inside the tube of the movable boom 2 . The annular groove around which the sling 9 is wound (see Figure 3).

Please refer to Fig. 1, Fig. 2, Fig. 3, the end of the movable boom 2 away from the fixed boom 1 is a lifting end 2-1, and the lifting end 2-1 of the movable boom 2 is fixed with a first fixed shaft 5 and The second fixed shaft 7, and the axis of the first fixed shaft 5 and the axis of the second fixed shaft 7 are parallel to each other; the first pulley 6 is arranged through the rotation of the first fixed shaft 5, and the first pulley 6 is arranged through the rotation of the second fixed shaft 7. Two pulleys 8; the rotation axis of the first pulley 6 and the rotation axis of the second pulley 8 are both perpendicular to the axis of the third fixed shaft 3. Please refer to FIG. 1, along the circumference of the outer cylindrical surface of the first pulley 6 and the second pulley 8, there are annular grooves suitable for winding the sling 9, and the first pulley 6 and the second pulley 8 are arranged side by side, The annular grooves provided on the first pulley 6 and the second pulley 8, respectively, are opposed and aligned to form an aperture suitable for the passage of the sling 9 at the nearest position between the first pulley 6 and the second pulley 8 ( See Figure 1). Specifically, if the annular grooves on the first pulley 6 and the second pulley 8 are cut off by the planes defined by the axes of the first pulley 6 and the second pulley 8, the first pulley 6 and the second pulley 8 Two concave arc-shaped sections (the two concave arc-shaped sections are located on the first pulley 6 and the second pulley 8 respectively) will be cut at the nearest position between them, and the two concave arc-shaped sections have concave sections. The arcs are exactly concave-to-concave and aligned, so as to form an approximately circular or elliptical aperture suitable for the sling 9 to pass through (refer to FIG. 1 ). It should be noted here that, referring to FIG. 1 and FIG. 3 , in order to avoid the mutual influence of the first pulley 6 and the second pulley 8 during the rotation process, for the first pulley 6 and the second pulley 8 in this embodiment, the outer There is no direct contact between the circumferential surfaces, but there is a gap, so that there is a gap between the groove edge of the annular groove of the first pulley 6 and the groove edge of the annular groove of the second pulley 8 , and the gap here is smaller than the diameter of the sling 9 to ensure that the sling 9 passing through the through grooves formed by the two annular grooves on the first pulley 6 and the second pulley 8 respectively will not pass from the first pulley 6 and the second pulley 8. The annular groove is slid out of the gap between the groove edge of the annular groove of the pulley 6 and the groove edge of the annular groove of the second pulley 8 . Please refer to FIG. 1 , FIG. 2 , and FIG. 3 , from the lifting end 2 - 1 of the movable boom 2 , the sling 9 passes through the opposite place between the annular groove of the first pulley 6 and the annular groove of the second pulley 8 The hole enters the pipe hole of the movable boom 2, then passes through the pipe hole of the movable boom 2, bypasses the third pulley 4, and then passes through the pipe hole of the fixed boom 1 and from the pipe at the indoor side end of the fixed boom 1 Mouth pierced. Please refer to FIG. 3 , the sling 9 located on the outside of the hoisting end 2-1 of the movable boom 2 can be used to bind the outdoor unit 26 of the air conditioner; With pulling force, the sling 9 outside the hoisting end 2-1 of the movable jib 2 can hoist the outdoor unit 26 of the air conditioner.

In order to apply the hoisting force to the sling 9 , a sling winding and pulling unit is provided at the indoor side end of the fixed boom 1 . Please refer to Fig. 1, Fig. 2, Fig. 4, the cable reel 10 is coaxially fixed on the transmission shaft 11 through keys or pins, the transmission shaft 11 is rotatably supported on the indoor side end of the fixed boom 1, and the sling 9 is wound on the reel On the cable drum 10, preferably, the cable drum 10 is fixed in the middle of the transmission shaft 11 and arranged in the pipe opening of the indoor side end of the fixed boom 1, and the two ends of the transmission shaft 11 are respectively rotatably supported on the pipe wall of the fixed boom 1. Make the axis of the transmission shaft 11 perpendicular to the axis of the fixed boom 1 . The power structure includes a worm wheel 12 that penetrates the end of the transmission shaft 11 outwards from the pipe wall of the fixed boom 1 and is coaxially fixed by keys or pins, a worm 13 that meshes with the worm wheel 12, and one end is integrally and coaxially fixed to the worm 13. The worm shaft 13-1, and the handle 14 fixedly connected with the other end of the worm shaft 13-1. Specifically, the worm wheel 12 meshes with the worm 13 to form a worm gear and worm drive pair. The worm 13 and the worm shaft 13-1 are integrally and coaxially fixed, and the worm shaft 13-1 is rotatably supported on the outer column of the fixed boom 1 through the bearing seat 16. On the surface 1-1, preferably, the bearing seat 16 is fixed on the outer cylindrical surface 1-1 of the fixed boom 1 by welding, screw connection, riveting, etc., and one end of the worm shaft 13-1 is fixed to one end of the handle rod 14. The other end of the handle rod 14 is hinged with the handle 15.

In order to drive the rotation of the movable boom 2 relative to the fixed boom 1 , the air conditioner outdoor unit hoisting device is further provided with a boom swing driving mechanism suitable for the movable boom 2 to swing relative to the fixed boom 1 . Please refer to Fig. 1, Fig. 4, Fig. 6, Fig. 7, the boom swing driving mechanism includes: a pipe wall penetrating the end of the fixed boom 1 at the inner side of the wall 25 (the inner side of the wall 25 refers to the indoor side of the wall 25) And the turning shaft 17 rotatably supported on the pipe wall of the fixed boom 1, the turning shaft 18 fixedly connected with the end of the turning shaft 17 located outside the pipe hole of the fixed hanging arm 1, one end and the turning shaft 17 are fixed. A crank 19 is fixedly connected to the inner end of the pipe hole of the boom 1 , and a connecting rod 20 is hingedly connected to the other end of the crank 19 through a first hinge shaft 21 . The connecting rod 20 is located in the pipe hole of the fixed boom 1 , and the other end of the connecting rod 20 is hingedly connected to the movable boom 2 through the second hinge shaft 22 .

The working principle of the boom swing drive mechanism: please refer to Figure 1, Figure 4, Figure 6, Figure 7, the crank 19, the connecting rod 20, and the movable boom 2 plus the fixed boom 1 constitute a crank-rocker mechanism. When the rotary handle 18 is rotated, the rotary handle 18 drives the crank 19 to rotate through the rotary handle shaft 17, and the crank 19 drives the movable boom 2 to rotate around the third fixed axis 3 through the connecting rod 20, thereby realizing that the movable boom 2 is relative to the fixed crane. Arm 1 turns.

Example 2:

On the basis of the air conditioner outdoor unit hoisting device in Embodiment 1, the air conditioner outdoor unit hoisting device provided in this embodiment further includes a position suitable for adjusting the position of the hoisting end 2-1 of the movable boom 2 relative to the position of the wall through-hole 25-1 Adjust the organization.

In detail, please refer to FIG. 1 , FIG. 2 , and FIG. 5 , the position adjustment mechanism includes a section of external gear ring 1-2 provided on the outer cylindrical surface 1-1 of the fixed boom 1 (please refer to FIG. 6 , FIG. 7 ) , a fixed plate 23 sleeved on the fixed boom 1 and suitable for inlaying with the gear teeth of the outer gear ring 1-2, and the bolt holes opened on the fixed plate 23; wherein the gear teeth of the outer gear ring 1-2 It is evenly distributed along the circumferential array of the outer cylindrical surface 1-1 of the fixed boom 1, and the gear teeth of the outer gear 1-2 protrude from the outer cylindrical surface 1-1 of the fixed boom 1 (please refer to Fig. 6, Figure 7); the fixing plate 23 has a large hole suitable for fixing the boom 1 to pass through, and the inner cylindrical surface of the large hole is provided with an inner gear ring 23-1 suitable for inlaying with the outer gear ring 1-2; the bolt holes are suitable for After a fixing bolt 24 is passed through, it is inserted into the wall 25 for fastening.

The inlaid structure of the inner gear 23-1 and the outer gear 1-2 is as follows: please refer to FIG. 2 in the corresponding tooth slot.

Referring to FIG. 5 , the gear teeth of the ring gear 23-1 are evenly distributed along the circumferential array of the inner cylindrical surface of the large hole. The fixed plate 23 is sleeved on the fixed boom 1, the inner gear 23-1 on the fixed plate 23 is inlaid with the outer gear 1-2 on the fixed boom 1, and the fixed boom 1 can follow the inner gear of the fixed plate 23. The axis of 23-1 moves in the ring gear 23-1. The axis of the bolt hole is parallel to the axis of the ring gear 23 - 1 , the fixing bolt 24 passes through the bolt hole on the fixing plate 23 and is fixed to the wall 25 , so that the fixing plate 23 is fixed to the inner wall of the wall 25 .

For the air conditioner outdoor unit hoisting device of the present invention, the air conditioner outdoor unit hoisting device of the present invention can be temporarily installed in the air conditioning pipeline wall body perforation 25-1 on the wall body 25, and the installation method is as follows: ① Please refer to Fig. 6, Fig. 7. Rotate the handle 18, and use the boom swing drive mechanism to make the movable boom 2 rotate relative to the fixed boom 1, so that the length direction of the movable boom 2 is consistent with the length direction of the fixed boom 1 (that is, the movable boom 2 is the same as the fixed boom 1). The fixed boom 1 is in the shape of "one"); ② Pass the movable boom 2 and the fixed boom 1 of the air conditioner outdoor unit hoisting device through the air conditioning pipeline wall through hole 25-1 in turn; ③ Please refer to Figure 1 and Figure 5 to fix the The bolts 24 pass through the bolt holes on the fixing plate 23 and fix the fixing bolts 24 to the wall body 25, so that the fixing plate 23 sleeved on the fixed boom 1 is fixed to the inner wall surface of the wall body 25 (the inner wall of the wall body 25). The surface refers to the indoor side wall surface of the wall body 25). It needs to be explained here that when punching the air-conditioning pipeline wall perforation 25-1 on the wall 25 with a punching machine, it is generally necessary to drill a small-diameter bolt hole on the side of the punching position. The purpose is to fix the punching machine on the wall body 25, and the fixing bolt 24 can be inserted into the small diameter bolt hole and fixed in it, so that the fixing bolt 24 can be fixed on the wall body 25, that is, the small diameter bolt hole is used to make the set. The fixed plate 23 on the fixed boom 1 is fixed on the inner wall surface of the wall body 25; ④ Please refer to Figure 1, Figure 2, Figure 6, Figure 7, turn the handle 18, and use the boom swing drive mechanism to move the boom 2. Rotate relative to the fixed boom 1 so that the length direction of the movable boom 2 is perpendicular to the length direction of the fixed boom 1 (that is, the movable boom 2 and the fixed boom 1 are in an "L" shape). In this way, the air-conditioning outdoor unit hoisting device is installed in the air-conditioning pipeline wall through-hole 25-1 on the wall 25.

The installed air conditioner outdoor unit hoisting device also needs to adjust the position of the hoisting end 2-1 of the air conditioner outdoor unit hoisting device so that the hoisting end 2-1 is located directly above the installation position of the air conditioner outdoor unit 26 . The working principle and beneficial effects of the position adjustment mechanism of the hoisting end 2-1 are as follows: when the air conditioner outdoor unit hoisting device is in the hoisting state, the outer gear ring 1-2 of the fixed boom 1 and the inner gear ring 23-1 of the fixed plate 23 are Inlaid (see Figure 1, Figure 2, Figure 5). When it is necessary to adjust the position of the lifting end 2-1, please refer to Fig. 1 and Fig. 2, move the fixed boom 1 toward the outdoor direction or the indoor direction along the axis of the inner gear 23-1 of the fixed plate 23, and make the fixed boom 1 move toward the outdoor direction or the indoor direction. The outer gear 1-2 of the boom 1 is staggered from the inner gear 23-1 of the fixed plate 23 (at this time, the outer cylindrical surface 1-1 of the fixed boom 1 is located at the inner gear 23-1 of the fixed plate 23) , that is, the outer ring gear 1-2 of the fixed boom 1 is out of contact with the inner gear 23-1 of the fixed plate 23, so that the inlay of the outer gear 1-2 and the inner gear 23-1 is released, and the outer ring gear 1-2 is released. In the state where the ring gear 1-2 is inlaid with the inner gear 23-1, the fixed boom 1 can be rotated around its own axis relative to the fixed plate 23 (that is, the fixed boom 1 can be rotated around the inner gear 23 of the fixed plate 23- 1), and drives the hoisting end 2-1 to rotate around the axis of the fixed jib 1, thereby adjusting the position of the hoisting end 2-1 relative to the horizontal direction of the wall 25. After the position of the hoisting end 2-1 relative to the horizontal direction of the wall 25 is adjusted, move the fixed boom 1 along the axis of the inner gear 23-1 of the fixing plate 23, and reposition the outer gear 1 of the fixed boom 1 -2 is inlaid with the inner gear 23-1 of the fixed plate 23, so that the fixed boom 1 cannot rotate relative to the fixed plate 23. It should be noted that, the smaller the tooth pitch of the outer gear ring 1-2, the smaller the minimum rotation angle of the fixed boom 1 relative to the fixed plate 23. Therefore, by appropriately reducing the tooth pitch of the outer gear ring 1-2, a higher ratio can be obtained. The minimum rotation angle of the small fixed boom 1. Please refer to FIG. 1 and FIG. 2 , the fixed boom 1 moves in the inner gear 23-1 along the axis of the inner gear 23-1 of the fixed plate 23, and the fixed boom 1 can be adjusted to protrude from the outer wall of the wall 25. The length of the surface is adjusted, so as to adjust the distance of the lifting end 2-1 relative to the outer wall surface of the wall body 25. It should be noted here that the position of the hoisting end 2-1 in the horizontal direction of the outer wall surface of the wall body 25 and the position of the hoisting end 2-1 in the horizontal direction of the outer wall surface of the wall body 25 and relative to the outer surface of the wall body 25 should be adjusted in the state that the hoisting device of the outdoor unit of the air conditioner does not hang heavy objects. The distance from the wall is such that the hoisting end 2-1 is directly above the installation position of the air conditioner outdoor unit 26, and then the air conditioner outdoor unit 26 is hoisted to the installation position.

After the air-conditioning outdoor unit 26 is hoisted into place, the air-conditioning outdoor unit hoisting device must be removed from the air-conditioning pipeline wall perforation 25-1 on the wall 25. The removal method is as follows: ① Refer to Figure 6 and Figure 7, turn Turn the handle 18 so that the length direction of the movable boom 2 is consistent with that of the fixed boom 1 (that is, the movable boom 2 and the fixed boom 1 are in a "one" shape); Remove the fixing bolts 24 from the body 25, so that the fixing plate 23 sleeved on the fixed boom 1 is separated from the inner wall surface of the wall body 25 (the inner wall surface of the wall body 25 refers to the indoor side wall surface of the wall body 25); ③ Pull out the fixed boom 1 and movable boom 2 of the air-conditioning outdoor unit hoisting device from the air-conditioning pipeline wall through hole 25-1. In this way, the air-conditioning outdoor unit hoisting device is removed from the air-conditioning pipeline wall through hole 25-1. The air-conditioning pipeline on the wall 25 can be installed with the wall perforation 25-1.

Example 3:

On the basis of the air conditioner outdoor unit hoisting device in Embodiment 2, the air conditioner outdoor unit hoisting device provided in this embodiment further includes a locking mechanism for locking and fixing the hanging arm 1 .

Please refer to FIG. 5 and FIG. 2 , the locking mechanism includes a locking screw hole 27 opened on the inner gear ring 23-1 of the fixing plate 23 along the radial direction of the inner gear ring 23-1, and a locking screw hole 27 screwed into the locking screw hole The locking screw 28 in 27; the locking screw hole 27 is a through hole.

Tighten the locking screw 28, the end of the locking screw 28 is tightly pressed on the fixed boom 1, and the fixed boom 1 is locked in the inner gear ring 23-1 of the fixed plate 23 to prevent the outdoor unit of the air conditioner from being hoisted. When the device is in the hoisting state, the fixed boom 1 moves in the inner gear 23-1 of the fixed plate 23 toward the outdoor direction or toward the indoor direction; After disengagement, the fixed boom 1 can move toward the outdoor direction or the indoor direction in the inner gear 23-1 of the fixed plate 23, so that the lifting end 2-1 of the movable boom 2 can be adjusted relative to the wall through hole 25. -1 for the position.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.

In the description of the present invention, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying what is indicated. A device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or into one; it can be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left",

The orientation or positional relationship indicated by "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the attached drawings, or is usually placed when the product of the invention is used. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the present invention, unless otherwise expressly specified and limited, the first feature above or below the second feature may include the first and second features in direct contact, or may include the first and second features that are not in direct contact with each other. through additional characteristic contact between them. Also, the first feature being above, above and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is below, below and below the second feature includes the first feature is directly below and diagonally below the second feature, or simply means that the first feature level is smaller than the second feature.

Claims (6)

1. An air condensing units hoist device which characterized in that includes: a supporting suspension arm unit, a sling unit and a sling rolling and pulling unit;

the supporting boom unit comprises a fixed boom (1) which is suitable for passing through a wall perforation (25-1) and a movable boom (2) which is hinged with the end part of the fixed boom (1) which is suitable for passing through the wall perforation (25-1) and then extending out of the wall (25); the fixed suspension arm (1) and the movable suspension arm (2) are both hollow tubular structures;

the sling unit comprises a third pulley (4) which is arranged in the inner cavity of the movable suspension arm (2) and is positioned at the hinged part of the fixed suspension arm (1) and the movable suspension arm (2), a first pulley (6) and a second pulley (8) which are arranged in the inner cavity of the movable suspension arm (2) and are positioned at the end part of the movable suspension arm (2) far away from the fixed suspension arm (1), and a sling (9) which is suitable for being wound on the outer circumferential surfaces of the third pulley (4), the first pulley (6) and the second pulley (8) at the same time;

the sling rolling and pulling unit comprises a sling rolling cylinder (10) which is arranged at the inner part of the fixed suspension arm (1) on the wall body (25) and is suitable for winding a sling (9), a transmission shaft (11) which is fixedly connected with the sling rolling cylinder (10) to drive the sling rolling cylinder (10) to rotate, and a power structure which drives the transmission shaft (11) to rotate;

the air conditioner outdoor unit hoisting device further comprises a boom swing driving mechanism suitable for the movable boom (2) to swing relative to the fixed boom (1);

the boom swing driving mechanism comprises a rotating handle shaft (17) which penetrates through the pipe wall of the fixed boom (1) and is positioned at one end of the inner side of a wall body (25) and is rotatably supported on the pipe wall of the fixed boom (1), a rotating handle (18) fixedly connected with the end part, positioned at the outer side of the pipe hole of the fixed boom (1), of the rotating handle shaft (17), a crank (19) with one end fixedly connected with the end part, positioned at the inner side of the pipe hole of the fixed boom (1), of the rotating handle shaft (17), and a connecting rod (20) with one end hinged with the other end of the crank (19) through a first hinge shaft (21); wherein

The connecting rod (20) is positioned in the pipe hole of the fixed suspension arm (1), and the other end of the connecting rod (20) is hinged and connected with the movable suspension arm (2) through a second hinge shaft (22).

2. The outdoor unit lifting device of an air conditioner according to claim 1, characterized in that the fixed boom (1) is a tubular body with a circular cross section;

the movable suspension arm (2) is a tubular body with a rectangular cross section.

3. The outdoor unit lifting device of claim 1 or 2, wherein both ends of the transmission shaft (11) are rotatably supported on the pipe wall of the end of the fixed boom (1) inside the wall (25), and the axis of the transmission shaft (11) is perpendicular to the axis of the fixed boom (1);

the power structure comprises a worm wheel (12) which penetrates through one end of the pipe wall of the fixed suspension arm (1) outwards and is coaxially fixed through a key or a pin, a worm (13) meshed with the worm wheel (12), a worm shaft (13-1) with one end coaxially and fixedly connected with the worm (13) integrally, and a handle rod (14) fixedly connected with the other end of the worm shaft (13-1).

4. The outdoor unit lifting device of an air conditioner according to any one of claims 1 or 2, characterized in that the movable boom (2) is hinged with the fixed boom (1) through a third fixed shaft (3); the third pulley (4) is rotationally sleeved on the third fixed shaft (3);

an annular groove suitable for winding the sling (9) is formed in the circumferential direction of the outer cylindrical surface of the third pulley (4); and

a first fixed shaft (5) and a second fixed shaft (7) are fixedly arranged at the end part of the movable suspension arm (2) far away from the fixed suspension arm (1), the axis of the first fixed shaft (5) is parallel to the axis of the second fixed shaft (7), the first pulley (6) is rotatably sleeved on the first fixed shaft (5), and the second pulley (8) is rotatably sleeved on the second fixed shaft (7);

annular grooves suitable for winding the sling (9) are respectively arranged along the circumferential directions of the outer cylindrical surfaces of the first pulley (6) and the second pulley (8), and

the first pulley (6) and the second pulley (8) are arranged side by side with the annular grooves provided on the first pulley (6) and the second pulley (8), respectively, facing and aligned to form an aperture suitable for the passage of a sling (9) at the closest position between the first pulley (6) and the second pulley (8).

5. The outdoor unit lifting device of claim 1 or 2, further comprising a position adjusting mechanism;

the position adjusting mechanism comprises a section of outer gear ring (1-2) arranged on an outer cylindrical surface (1-1) of the fixed suspension arm (1), a fixing plate (23) which is sleeved on the fixed suspension arm (1) and is suitable for being embedded with gear teeth of the outer gear ring (1-2), and a bolt hole formed in the fixing plate (23); wherein

The gear teeth of the outer gear ring (1-2) are uniformly distributed along the circumferential array of the outer cylindrical surface (1-1) of the fixed suspension arm (1), and the gear teeth of the outer gear ring (1-2) are arranged to protrude out of the outer cylindrical surface (1-1) of the fixed suspension arm (1);

the fixing plate (23) is provided with a large hole for the fixed suspension arm (1) to pass through, and an inner gear ring (23-1) which is embedded with the outer gear ring (1-2) is arranged on the inner cylindrical surface of the large hole;

the bolt hole is suitable for a fixing bolt (24) to penetrate through the wall body (25) and be fastened.

6. The outdoor unit lifting device of claim 5, further comprising a locking mechanism adapted to lock the fixed boom (1);

the locking mechanism comprises a locking screw hole (27) formed in the inner gear ring (23-1) of the fixing plate (23) along the radial direction of the inner gear ring (23-1), and a locking screw (28) screwed in the locking screw hole (27);

the locking screw hole (27) is a through hole.

Images