CN218664057U - Lifting machine - Google Patents

Abstract

The utility model relates to a disclose a lifting machine. Relates to the technical field of conveying equipment. The device specifically comprises an outer frame, an inner frame moving up and down in the outer frame, a carrier arranged in the inner frame, and a driving mechanism for driving the inner frame to move up and down in the outer frame; the inner frame is provided with a guide rail, the carrier can horizontally move along the guide rail, when the inner frame is lifted to the high position of the outer frame by the driving mechanism, the guide rail is in butt joint with the high position rail, and when the inner frame is lowered to the low position of the outer frame by the driving mechanism, the guide rail is in butt joint with the low position rail. The utility model discloses an actuating mechanism drives the internal frame and the carrier reciprocates in the outer frame, and is provided with the guide rail on the internal frame, when making guide rail and high-order rail track or low-order track butt joint, the carrier can realize the free conversion between high-order track through the guide rail, and does not have the risk of derailing at the in-process of conversion.

Description

Lifting machine

Technical Field

The utility model relates to a conveying equipment technical field especially relates to a lifting machine.

Background

In a production line, the carriers loaded with material are usually required to be switched in high and low rails to meet the necessary production requirements. In the existing production line, the vehicles are converted in the high-low track, usually by connecting the high-level track and the low-level track through a semicircular track, so that the vehicles are transited from the high-level track to the low-level track or from the low-level track to the high-level track through the semicircular track. However, because the high-level track and the low-level track are generally horizontally arranged, when the carrier enters the semicircular track from the horizontally arranged high-level track or the horizontally arranged low-level track, under the inertia effect of the carrier keeping horizontal movement, the carrier has a derailment risk after entering the semicircular track, and particularly when the transportation speed of the carrier in the high-level track or the low-level track is high, the derailment risk is high.

Chinese patent CN211109730U, published 2020-07-28 discloses a hoisting machine, the purpose of the utility model is realized as follows: a lifting machine comprises a machine frame assembly, wherein a plurality of object placing tables are arranged on the machine frame assembly in a lifting mode through a driving system, and the object placing tables are used for bearing objects from a conveying platform; the driving system comprises a main power source, the main power source is connected with a lifting chain group, and the periphery of the object placing table is connected with the lifting chain group to realize lifting operation. The technical scheme ingeniously utilizes the design of the inner side and the outer side of the chain wheel and the chain, so that articles can move in the range of the whole elevator. Meanwhile, the matching of the articles on each conveying platform can be realized by matching each inlet and outlet with the conveying platform. However, the driving system of the elevator for conveying the articles has a complex structure, is not easy to implement, and cannot be widely applied to actual production.

Disclosure of Invention

An object of the utility model is to provide a lifting machine to above-mentioned prior art not enough for promote the carrier to high-order and high-order track butt joint, or descend to low level and low-order track butt joint, make the carrier can freely change between high-low track, and do not have the risk that the carrier derailed.

The utility model provides a lifting machine, which enables a carrier to be butted with a high-position track or a low-position track, and comprises an outer frame, an inner frame moving up and down in the outer frame, a carrier arranged in the inner frame, and a driving mechanism used for driving the inner frame to move up and down in the outer frame; the inner frame is internally provided with a guide rail, the carrier can move horizontally along the guide rail, the inner frame is lifted to the high position of the outer frame by the driving mechanism, the guide rail is butted with the high position rail, the inner frame is lowered to the low position of the outer frame by the driving mechanism, and the guide rail is butted with the low position rail.

Furthermore, the outer frame comprises four vertical beams, a plurality of cross beams for connecting two adjacent vertical beams, and four fixing seats for fixing the four vertical beams on the ground respectively.

Further, the internal frame is including top frame, underframe and be used for connecting a plurality of bracing pieces of top frame and underframe, the outside of top frame and underframe respectively be equipped with four respectively with four the head pulley of the medial surface butt of erecting the roof beam, the guide rail is located top frame bottom, the carrier is in between top frame and the underframe with guide rail swing joint.

Furthermore, the inner frame also comprises a pulley block which is used for abutting against the other inner side surface of the four vertical beams, and a connecting rod which is used for fixing the sliding group on the top frame and the bottom frame.

Further, the assembly pulley is eight auxiliary pulleys, including locating four auxiliary pulleys at top frame top with locate four auxiliary pulleys of underframe bottom, the connecting rod is four, including fixing two at top frame top with fix two of underframe bottom, one respectively connect one at connecting rod both ends auxiliary pulley.

Further, actuating mechanism is including fixing the mount pad of outer frame bottom, locate cylinder on the mount pad, and locate underframe bottom, with the cylinder roof that stretches out end fixed connection.

Further, the carrier comprises a basket for loading the materials, a roller rolling on the guide rail, and a hanger connecting the basket and the roller.

Furthermore, rolling grooves are formed in two side faces of the guide rail, the idler wheels roll in the rolling grooves in two sides respectively, the hanging bracket comprises a connecting seat and a hanging rod, the connecting seat is rotatably connected with the two idler wheels, the hanging rod is arranged at the top of the hanging basket, and the hanging rod is fixedly connected with the bottom of the connecting seat.

Furthermore, two opposite inner walls of the connecting seat are respectively provided with a rotating shaft, the axis position of the roller is provided with a rotating groove, the rotating shafts are inserted in the rotating grooves, and the carrier further comprises a bearing piece arranged between the rotating shafts and the rotating grooves.

Furthermore, a plurality of dampers used for limiting the up-and-down movement of the inner frame in the outer frame are arranged on the cross beam.

The utility model relates to a lifting machine has following gain effect:

(1) The elevator drives the inner frame and the carrier to move up and down in the outer frame through the driving mechanism, and the guide rail is arranged on the inner frame, so that when the guide rail is in butt joint with the high-position rail track or the low-position rail track, the carrier can realize free switching between the high-position rail track and the low-position rail track through the guide rail, and the risk of derailment does not exist in the switching process;

(2) The four main pulleys arranged on the outer sides of the top frame and the bottom frame of the elevator roll on the inner side surfaces of the four vertical beams respectively, so that the inner frame is limited in the horizontal direction when moving up and down, the inner frame is prevented from shifting in the horizontal direction, and the inner frame can move up and down more smoothly in the outer frame;

(3) The pulley block of the hoister is abutted against the other adjacent side surface of the four vertical beams, so that the up-and-down movement of the inner frame in the outer frame is smoother, and meanwhile, the inner frame is better limited in the horizontal direction, so that the up-and-down movement of the inner frame in the outer frame is more stable, and further, the transportation of a carrier is more stable;

(4) The driving mechanism of the elevator comprises a mounting seat, an air cylinder and an air cylinder top plate, wherein the mounting seat is fixed at the bottom of an outer frame, the air cylinder is mounted at the bottom of the outer frame through the mounting seat, and then the air cylinder pushes an inner frame to move up and down in the outer frame, so that the driving mechanism is simple in structure and easy to implement;

(5) The carrier of the elevator comprises a hanging basket, a roller and a hanging bracket, wherein the hanging basket is internally provided with an accommodating cavity for loading materials, and the roller rolls on a guide rail, so that the movable connection between the carrier and the guide rail is realized, and the carrier can horizontally move along the guide rail;

(5) The two side faces of the guide rail of the elevator are provided with the rolling grooves, and the two rolling grooves roll in the two rolling grooves respectively, so that the two rolling grooves are limited, the rolling is prevented from falling off on the guide rail, the connection between the carrier and the guide rail is more stable, and the carrier can move on the guide rail more stably.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements.

Fig. 1 is a schematic structural diagram of a hoisting machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an outer frame of a hoisting machine according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a driving mechanism of a hoisting machine according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating an installation of a guide rail and a carrier of a hoist in an inner frame according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an inner frame of a hoist according to an embodiment of the present invention;

fig. 6 is a front view of a connection between a guide rail and a carrier of a hoist according to an embodiment of the present invention.

In the figure: 1. a high-level track; 2. a low-level track; 3. an outer frame; 31. erecting a beam; 32. a cross beam; 33. a fixed seat; 4. an inner frame; 41. a top frame; 42. a bottom frame; 43. a support bar; 44. a main pulley; 45. an auxiliary pulley; 46. a connecting rod; 5. a carrier; 51. a hanging basket; 52. a roller; 53. a hanger; 531. a connecting seat; 5311. a rotating shaft; 532. a boom; 6. a drive mechanism; 61. a mounting seat; 62. a cylinder; 63. a cylinder top plate; 7. a guide rail; 71. a rolling groove; 8. a damper.

Detailed Description

For making the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following drawings in the embodiments of the present invention will be combined, and the technical solution in the embodiments of the present invention is clearly and completely described, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work are included in the protection scope of the present invention.

The utility model provides a lifting machine, make carrier 5 and high-order track 1 or low level track 2 butt joint, including outer frame 3, the inner frame 4 that reciprocates in outer frame 3, locate carrier 5 in inner frame 4, and be used for driving inner frame 4 to reciprocate in outer frame 3 actuating mechanism 6; the inner frame 4 is provided with a guide rail 7, the carrier 5 can horizontally move along the guide rail 7, when the driving mechanism 6 lifts the inner frame 4 to the high position of the outer frame 3, the guide rail 7 is in butt joint with the high position rail 1, and when the driving mechanism 6 lowers the inner frame 4 to the low position of the outer frame 3, the guide rail 7 is in butt joint with the low position rail 2, and the specific effect is shown in figure 1.

In the present application, the carrier 5 is provided in the inner frame 4, the inner frame 4 is provided in the outer frame 3, and the inner frame 4 is driven by the driving mechanism 6 to move up and down in the outer frame 3, thereby driving the carrier 5 to move up and down in the outer frame 3. A guide rail 7 is provided on the inner frame 4, and the carrier 5 is connected to the guide rail 7 and can move horizontally on the guide rail 7. When the driving mechanism 6 lifts the inner frame 4 to the high position of the outer frame 3, the guide rail 7 in the inner frame 4 is butted with the high position rail 1, so that the carrier 5 can horizontally move from the guide rail 7 to the high position rail 1, or the carrier 5 of the high position rail 1 can horizontally move into the inner frame 4 along the guide rail 7 after entering the guide rail 7; when the driving mechanism 6 lowers the inner frame 4 to the lower position of the outer frame 3, the guide rails 7 in the inner frame 4 are abutted with the lower position rails 2, so that the carriers 5 can horizontally move from the guide rails 7 to the bottom position rails, or after the carriers 5 of the lower position rails 2 enter the guide rails 7, the carriers can horizontally move along the guide rails 7 to the inner frame 4.

When the carrier 5 needs to be switched from the low-position track 2 to the high-position track 1, the inner frame 4 and the carrier 5 are located at the low position of the outer frame 3, so that the guide rail 7 is in butt joint with the low-position track 2, after the carrier 5 in the low-position track 2 enters the inner frame 4 through the guide rail 7, the inner frame 4 and the carrier 5 are lifted to the high position of the outer frame 3 through the driving mechanism 6, so that the guide rail 7 is in butt joint with the high-position track 1, and the carrier 5 can horizontally move to the high-position track 1 through the guide rail 7; when the carrier 5 needs to be switched from the high-position track 1 to the low-position track 2, the inner frame 4 and the carrier 5 are located at the high position of the outer frame 3, the guide rail 7 is in butt joint with the high-position track 1, after the carrier 5 in the high-position track 1 enters the inner frame 4 through the guide rail 7, the inner frame 4 and the carrier 5 are lowered to the high position of the outer frame 3 through the driving mechanism 6, the guide rail 7 is in butt joint with the low-position track 2, the carrier 5 can horizontally move to the low-position track 2 through the guide rail 7, and free switching of the carrier 5 between the high-position track and the low-position track is achieved.

Since in the present application, when the inner frame 4 and the carrier 5 are located at the high position of the outer frame 3, the guide rail 7 is horizontally butted with the horizontally arranged high-position rail 1, so that the carrier 5 of the high-position rail 1 can be horizontally moved into the inner frame 4 through the guide rail 7, or the carrier 5 can be horizontally moved into the high-position rail 1 from the inner frame 4; when the inner frame 4 and the carrier 5 are located at the lower position of the outer frame 3, the guide rail 7 is horizontally butted with the horizontally arranged lower track 2, so that the carrier 5 of the lower track 2 can horizontally move into the inner frame 4 through the guide rail 7, or the carrier 5 horizontally moves into the lower track 2 from the inner frame 4, and the driving mechanism 6 drives the inner frame 4 to move up and down in the outer frame 3, so that the carrier 5 is driven to move vertically in the outer frame 3, thereby not only realizing the free conversion of the carrier 5 between the high and low tracks, but also having no derailment risk in the conversion process.

In the present embodiment, the outer frame 3 includes four vertical beams 31, a plurality of cross beams 32 for connecting two adjacent vertical beams 31, and four fixing bases 33 for fixing the four vertical beams 31 on the ground respectively, as shown in fig. 2. The outer frame 3 comprises four vertical beams 31, a plurality of cross beams 32 and four fixing seats 33, wherein two ends of each cross beam 32 are respectively connected with two adjacent vertical beams 31, so that the outer frame 3 forms a fixed frame. The four fixing seats 33 fixedly connect the four vertical beams 31 to the ground or other supporting platform, thereby fixing the outer frame 3 to the ground or other supporting platform. It is foreseen that: the two ends of each cross beam 32 are respectively connected with two adjacent vertical beams 31, and four vertical beams 31 are arranged in the present application, so that at least four cross beams 32 should be arranged, so that a circle is enclosed by the four cross beams 32 and the four vertical beams 31. Of course, in order to increase the structural strength of the outer frame 3, the cross members 32 may be arranged in eight or sixteen positions, depending on the actual production conditions.

In the present embodiment, the inner frame 4 includes a top frame 41, a bottom frame 42, and a plurality of support rods 43 for connecting the top frame 41 and the bottom frame 42, the outer sides of the top frame 41 and the bottom frame 42 are respectively provided with four main pulleys 44 abutting against the inner side surfaces of the four vertical beams 31, the guide rail 7 is arranged at the bottom of the top frame 41, and the carrier 5 is movably connected with the guide rail 7 between the top frame 41 and the bottom frame 42, as shown in fig. 4 and 5. The inner frame 4 includes a top frame 41, a bottom frame 42 and a plurality of support rods 43, and the plurality of support rods 43 vertically connect the top frame 41 and the bottom frame 42, so that the inner frame 4 forms a stable frame. The four main pulleys 44 are respectively arranged on the outer sides of the top frame 41 and the bottom frame 42, the four main pulleys 44 on the outer sides of the top frame 41 and the bottom frame 42 are respectively abutted against the inner side surfaces of the four vertical beams 31, when the driving mechanism 6 drives the inner frame 4 to move up and down in the outer frame 3, the four main pulleys 44 on the outer sides of the top frame 41 and the bottom frame 42 respectively roll on the inner side surfaces of the four vertical beams 31, so that the inner frame 4 is limited in the horizontal direction when moving up and down, the inner frame 4 is prevented from being deviated in the horizontal direction, and the inner frame 4 can move up and down more smoothly in the outer frame 3.

The guide rails 7 are disposed at the bottom of the top frame 41 and are located between the top frame 41 and the bottom frame 42 when the carrier 5 is movably connected to the guide rails 7, so that the carrier 5 can move in and out of the inner frame 4 through a space between the top frame 41 and the bottom frame 42 when moving in a horizontal direction along the guide rails 7. It is foreseen that: and support rods 43 vertically connecting the top frame 41 and the bottom frame 42 at the front and rear sides of the top frame 41 and the bottom frame 42, wherein the distance between two adjacent support rods 43 is greater than the length of the carrier 5, and the distance between the top frame 41 and the bottom frame 42 is greater than the height of the carrier 5, so that the carrier 5 can move in or out from the front and rear sides of the top frame 41 and the bottom frame 42, and the support rods 43 do not cause obstacles for the carrier 5 to move in or out of the inner frame 4.

In this embodiment, the inner frame 4 further comprises a pulley block for abutting against the other inner side of the four vertical beams 31, and a connecting rod 46 for fixing the sliding block to the top frame 41 and the bottom frame 42, as shown in fig. 5. The cross sections of the four vertical beams 31 are quadrangles, and when the four vertical beams 31 are arranged in parallel and are horizontally connected by the plurality of cross beams 32, two adjacent side faces of the four vertical beams 31 face outwards, and the other two adjacent side faces of the four vertical beams 31 face inwards. Inner frame 4 still includes assembly pulley and connecting rod 46, connecting rod 46 fixes the assembly pulley on top frame 41 and underframe 42, make four head pulleys 44 in the top frame 41 and underframe 42 outside respectively with four perpendicular roof beam 31 when an medial surface butt, the assembly pulley is with four adjacent medial surface butt of perpendicular roof beam 31, thereby further make reciprocating of inner frame 4 in outer frame 3 more smooth and easy, carry out better spacing to inner frame 4 horizontal direction simultaneously, make reciprocating of inner frame 4 in outer frame 3 more stable, and then more stable to the transportation of carrier 5.

In this embodiment, the pulley block is eight auxiliary pulleys 45, including four auxiliary pulleys 45 that locate the top of top frame 41 and four auxiliary pulleys 45 that locate the bottom of underframe 42, and connecting rod 46 is four, including fixing two at the top of top frame 41 and fixing two at the bottom of underframe 42, and a connecting rod 46 both ends respectively connect an auxiliary pulley 45, and the concrete effect is shown in fig. 5. The pulley block comprises eight auxiliary pulleys 45, four of which are located at the top of the top frame 41 and four of which are located at the bottom of the bottom frame 42. When the four main pulleys 44 on the top frame 41 are respectively abutted against one inner side surface of the four vertical beams 31, the four auxiliary pulleys 45 positioned at the top of the top frame 41 are respectively abutted against the other inner side surface adjacent to the four vertical beams 31; when the four main pulleys 44 of the bottom frame 42 abut against one inner side surface of the four vertical beams 31, the four auxiliary pulleys 45 located at the bottom of the bottom frame 42 abut against the other inner side surface of the four vertical beams 31 adjacent thereto.

Connecting rod 46 is provided with four, wherein two are fixed at top frame 41 top, another two are fixed in underframe 42 bottom, an auxiliary pulley 45 is respectively connected at the both ends of every connecting rod 46, thereby through fixing two connecting rods 46 at top frame 41 top, four auxiliary pulleys 45 that will be located top frame 41 top are fixed on top frame 41, four auxiliary pulleys 45 that will be located underframe 42 bottom are fixed on underframe 42 at connecting rod 46 who fixes underframe 42 bottom, further make the reciprocating of internal frame 4 in outer frame 3 more smooth, carry out better spacing simultaneously to internal frame 4 horizontal direction.

In the present embodiment, the driving mechanism 6 includes a mounting seat 61 fixed at the bottom of the outer frame 3, a cylinder 62 disposed on the mounting seat 61, and a cylinder top plate 63 disposed at the bottom of the bottom frame 42 and fixedly connected to the extending end of the cylinder 62, as shown in fig. 3. Actuating mechanism 6 includes mount pad 61, cylinder 62 and cylinder roof 63, and mount pad 61 is fixed in the bottom of outer frame 3, and cylinder 62 sets up on mount pad 61, and cylinder roof 63 sets up in underframe 42 bottom, and with the cylinder 62 end fixed connection that stretches out to when the end that stretches out of cylinder 62 is vertical, promote the vertical rebound of inner frame 4 in outer frame 3, when the end that stretches out of cylinder 62 is vertical, drive inner frame 4 vertical downstream in outer frame 3. The cylinder 62 is arranged at the bottom of the outer frame 3 through the mounting seat 61, and the inner frame 4 is pushed to move up and down in the outer frame 3 through the cylinder 62, so that the structure is simple and the implementation is easy.

Therefore, the cylinder top plate 63 is arranged at the bottom of the bottom frame 42, and the cylinder top plate 63 is fixedly connected with the extending end of the cylinder 62, so that when the extending end of the cylinder 62 extends or retracts, the inner frame 4 is driven to move up and down in the outer frame 3, rather than being fixedly connected with the bottom frame 42 through the extending end of the cylinder 62, the contact area between the extending end of the cylinder 62 and the bottom frame 42 is increased, and the cylinder 62 is enabled to push the inner frame 4 to move up and down in the outer frame 3 more stably.

In this embodiment, the carrier 5 comprises a basket 51 for loading the material, a roller 52 rolling on the rail 7, and a hanger 53 connecting the basket 51 and the roller 52, as shown in fig. 4. The carrier 5 comprises a basket 51, rollers 52 and a hanger 53, wherein the basket 51 is provided with a containing cavity for loading materials, and the rollers 52 roll on the guide rails 7, so that the carrier 5 is movably connected with the guide rails 7, and the carrier 5 can horizontally move along the guide rails 7. The cradle 53 connects the basket 51 to the roller 52 so that the roller 52, when rolling on the rail 7, moves the basket 51 horizontally on the rail 7 together with the material loaded in the basket 51.

It is foreseen that: when the guide rail 7 is fixed at the bottom of the top frame 41, one end of the guide rail extends into the space between the top frame 41 and the bottom frame 42, and the other end of the guide rail extends out from the space between the top frame 41 and the bottom frame 42, so that the carrier 5 can move out from the space between the top frame 41 and the bottom frame 42 along the guide rail 7 and be butted with the high-level rail 1 or the low-level rail 2, or the carrier 5 on the high-level rail 1 or the low-level rail 2 can move into the space between the top frame 41 and the bottom frame 42 along the guide rail 7.

In this embodiment, rolling grooves 71 are formed on two sides of the guide rail 7, the rollers 52 roll in the rolling grooves 71 respectively, the hanging bracket 53 includes a connecting seat 531 rotatably connected to the two rollers 52, and a hanging rod 532 disposed on the top of the hanging basket 51, and the hanging rod 532 is fixedly connected to the bottom of the connecting seat 531, as shown in fig. 6. Rolling grooves 71 are formed in two side faces of the guide rail 7, and the two rollers 52 roll in the two rolling grooves 71 respectively, so that the two rolling grooves 71 limit the two rollers 52 on one hand, and the rollers 52 are prevented from falling off the guide rail 7, and further the transportation failure of the carrier 5 and the materials is caused; on the other hand, the two rollers 52 roll in the two rolling grooves 71, so that the movable connection of the carrier 5 on the guide rail 7 is realized, the connection between the carrier 5 and the guide rail 7 is more stable, and the movement of the carrier 5 on the guide rail 7 is more stable.

The hanging bracket 53 comprises a connecting seat 531 and a hanging rod 532, the hanging rod 532 is arranged at the top of the hanging basket 51, the connecting seat 531 is rotatably connected with the two rollers 52, and then the hanging rod 532 is fixedly connected with the connecting seat 531, so that when the two rollers 52 roll on the guide rail 7, the hanging basket 51 is driven to horizontally move along the guide rail 7 through the connecting seat 531 and the hanging rod 532. The connection seat 531 is rotatably connected to the two rollers 52 because the two rollers 52 respectively roll in the two rolling grooves 71, which can only drive the basket 51 to move horizontally on the guide rail 7, but cannot drive the basket 51 to rotate synchronously with the two rollers 52, otherwise, on one hand, there is not enough space between the top frame 41 and the bottom frame 42 for the basket 51 to perform circular motion, and on the other hand, in order to prevent the materials in the basket 51 from falling out of the opening of the accommodating cavity of the basket 51 during the circular motion of the basket 51, thereby affecting the delivery of the materials. Therefore, when the two rollers 52 roll, the connecting base 531 is only driven to move in the horizontal direction.

In this embodiment, two opposite inner walls of the connecting seat 531 are respectively provided with a rotating shaft 5311, the axis position of the roller 52 is provided with a rotating groove, the rotating shaft 5311 is inserted into the rotating groove, and the carrier 5 further includes a bearing member disposed between the rotating shaft 5311 and the rotating groove, as shown in fig. 6. Since the rolling grooves 71 are provided on both side surfaces of the guide rail 7 and the two rollers 52 roll in the two rolling grooves 71, respectively, it is foreseeable that: the top of the connecting seat 531 is provided with a receiving groove, and the bottom of the guide rail 7 is located in the receiving groove, so that the two ends of the connecting seat 531 can extend from the bottom of the guide rail 7 to the two side surfaces of the guide rail 7 and are rotatably connected with the rollers 52 on the two side surfaces of the guide rail 7.

Rotating shafts 5311 are arranged on the inner walls of two ends of the connecting seat 531, which extend to two side faces of the guide rail 7, rotating grooves are formed in the axis positions of the rollers 52, the rotating shafts 5311 at the two ends of the connecting seat 531 are respectively inserted into the rotating grooves of the two rollers 52, and bearing pieces are arranged between the two rotating shafts 5311 and the two rotating grooves, so that the inner rings of the bearing pieces are fixed on the outer surfaces of the rotating shafts 5311, the outer rings of the bearing pieces are fixed on the inner walls of the rotating grooves, thereby realizing the rotating connection between the connecting seat 531 and the two rollers 52, and further only driving the connecting seat 531 to move in the horizontal direction when the two rollers 52 roll.

In this embodiment, the cross member 32 is provided with a plurality of dampers 8 for limiting the vertical movement of the inner frame 4 in the outer frame 3. A plurality of dampers 8 are arranged on the high-position cross beam 32 and the low-position cross beam 32, and when the inner frame 4 moves upwards to a high position in the outer frame 3 and the guide rail 7 is in butt joint with the high-position track 1, the dampers 8 on the high-position cross beam 32 are in butt joint with the top frame 41; when the inner frame 4 moves downward to a low position in the outer frame 3 and the guide rails 7 are butted with the low-position rails 2, the plurality of dampers 8 on the low-position cross beams 32 are butted with the low frame, so that the lifting height of the inner frame 4 in the outer frame 3 can be detected, and the running impact of the inner frame 4 can be buffered.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

Claims (10)

1. A hoist, make carrier (5) and high level track (1) or low level track (2) butt joint, characterized by: the device comprises an outer frame (3), an inner frame (4) moving up and down in the outer frame (3), a carrier (5) arranged in the inner frame (4), and a driving mechanism (6) used for driving the inner frame (4) to move up and down in the outer frame (3); be equipped with guide rail (7) in inner frame (4), carrier (5) can be followed guide rail (7) horizontal migration, actuating mechanism (6) will when inner frame (4) promote the high position to outer frame (3), guide rail (7) and high position track (1) butt joint, actuating mechanism (6) will when inner frame (4) descend the low level to outer frame (3), guide rail (7) and low position track (2) butt joint.

2. A hoisting machine as claimed in claim 1, characterized in that: the outer frame (3) comprises four vertical beams (31), a plurality of cross beams (32) used for connecting two adjacent vertical beams (31), and four fixing seats (33) used for fixing the four vertical beams (31) on the ground respectively.

3. A hoisting machine as claimed in claim 2, characterized in that: inner frame (4) are including top frame (41), underframe (42) and be used for connecting a plurality of bracing pieces (43) of top frame (41) and underframe (42), the outside of top frame (41) and underframe (42) respectively be equipped with four respectively with four main pulley (44) of the medial surface butt of erectting roof beam (31), guide rail (7) are located top frame (41) bottom, carrier (5) are in between top frame (41) and underframe (42) with guide rail (7) swing joint.

4. A hoisting machine as claimed in claim 3, characterized in that: the inner frame (4) further comprises a pulley block for abutting against the other inner side surface of the four vertical beams (31), and a connecting rod (46) for fixing the pulley block on the top frame (41) and the bottom frame (42).

5. A hoisting machine as claimed in claim 4, characterized in that: the assembly pulley is eight auxiliary pulley (45), including locating four auxiliary pulley (45) at top frame (41) top with locate four auxiliary pulley (45) of underframe (42) bottom, connecting rod (46) are four, including fixing two at top frame (41) top with fix two of underframe (42) bottom, one respectively connect one at connecting rod (46) both ends auxiliary pulley (45).

6. A hoisting machine as defined in claim 3, characterized by: actuating mechanism (6) are including fixing mount pad (61) of outer frame (3) bottom, locate cylinder (62) on mount pad (61) and locate underframe (42) bottom, with cylinder (62) stretch out end fixed connection's cylinder roof (63).

7. A hoisting machine as claimed in claim 1, characterized in that: the carrier (5) comprises a basket (51) for loading the material, rollers (52) rolling on the rails (7), and a hanger (53) connecting the basket (51) and the rollers (52).

8. A hoisting machine as claimed in claim 7, characterized in that: the two side faces of the guide rail (7) are provided with rolling grooves (71), the rollers (52) are two rollers which roll in the rolling grooves (71) on the two sides respectively, the hanging bracket (53) comprises a connecting seat (531) which is rotatably connected with the two rollers (52) and a hanging rod (532) which is arranged at the top of the hanging basket (51), and the hanging rod (532) is fixedly connected with the bottoms of the connecting seat (531).

9. A hoisting machine as claimed in claim 8, characterized in that: two opposite inner walls of the connecting seat (531) are respectively provided with a rotating shaft (5311), the axis position of the roller (52) is provided with a rotating groove, the rotating shaft (5311) is inserted in the rotating groove, and the carrier (5) further comprises a bearing piece arranged between the rotating shaft (5311) and the rotating groove.

10. A hoisting machine as claimed in claim 2, characterized in that: the transverse beam (32) is provided with a plurality of dampers (8) used for limiting the up-and-down movement of the inner frame (4) in the outer frame (3).

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