Elevator car positioning mechanism and elevator

Abstract

The utility model provides an elevator car positioning mechanism and an elevator, the elevator car positioning mechanism comprises a moving part, the moving part is arranged on a car, the moving part comprises a rotary driver, a connecting shaft and an inserting block, and the connecting shaft drives the inserting block to move; and the fixing piece is arranged on the lifting conveying frame and correspondingly located at the target height of the lift car, an inserting groove facing one side of the lift car is formed in the fixing piece, and the inserting block can be arranged in the inserting groove in a penetrating mode. According to the utility model, the moving part fixed on the lift car is matched with the fixed part fixed on the lifting transmission frame, so that a hard limiting structure for the lifting height of the lift car is realized, the problem of position deviation of the lift car caused by the movement of a heavy object can be avoided, and the problem of positioning deviation caused by external environmental factors can be fundamentally solved. Compared with existing bar code positioning or laser system positioning, the positioning device has the advantages of being simple in structure, convenient to operate, high in use flexibility, wide in application range, outstanding in positioning precision and stability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying equipment technical field, concretely points to a kind of elevator car positioning mechanism and elevator. BACKGROUND

[0002] In today's construction and industrial fields, as a key vertical transport tool, the role of the elevator cannot be underestimated. Especially when handling heavy material transportation tasks, the car positioning accuracy of the elevator is directly related to the smoothness of the production process and the safety of the operating personnel. Currently, the car positioning technologies commonly used on the market mainly include two ways: barcode recognition and laser ranging. These technologies determine the specific position of the car by recognizing barcodes or measuring laser distances after the elevator stops. However, the limitations of these traditional positioning technologies when facing heavy material movement gradually appear.

[0003] During heavy material handling, due to the weight of the material itself and the dynamic forces during handling, the car is prone to slight displacement after stopping. This displacement is a challenge for barcode or laser positioning systems, as these systems often cannot adjust themselves in real time after the car has displaced, resulting in positioning errors. Barcode positioning systems greatly reduce their reading accuracy in harsh working environments, such as dust, oil stains, or insufficient light, affecting the normal use of the elevator. While the laser positioning system has high positioning accuracy, its high cost and sensitivity to environmental factors make it have certain limitations in actual application. SUMMARY

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the instability of car positioning in the prior art, and to provide an elevator car positioning mechanism and elevator.

[0005] To solve the above technical problems, the utility model provides an elevator car positioning mechanism, which includes: at least one moving part, the at least one moving part is arranged on the car, one of the moving parts includes a rotary drive, at least one connecting shaft, and at least one plug-in block, one end of the connecting shaft is connected to the rotary drive, the other end is connected to the plug-in block to drive the plug-in block to move; at least one fixed part, the fixed part is arranged on the lifting transmission frame and corresponds to the target height of the car, and the inside is provided with a plug-in slot arranged towards the car side, the plug-in block can be arranged in the plug-in slot to position the height of the car in the lifting transmission frame.

[0006] In one embodiment of the utility model, the elevator car positioning mechanism includes at least two moving parts, and the adjacent rotary drives are connected by a linkage shaft to rotate synchronously.

[0007] In one embodiment of the utility model, one the mobile piece includes two the connecting axle and two the plug -in block, the connecting axle is connected to the rotary driver respectively, and is located the rotary driver first direction opposite both sides, the plug -in block is connected to two the connecting axle correspondingly, to along the first direction synchronous wear / separate corresponding the plug -in slot.

[0008] In one embodiment of the utility model, the mobile piece further includes a mounting beam, the end of the mounting beam is provided with a sliding rail extending in the first direction, and the plug-in block is slidingly connected to the sliding rail.

[0009] In one embodiment of the utility model, the mobile piece further includes a mounting plate, the mounting plate is connected to the working end of the rotary driver, and the connecting shaft is rotatably connected to the mounting plate.

[0010] In one embodiment of the utility model, the connecting shaft includes a shaft body, a rotating pin and a sleeve part, the plug-in block is provided with a fixed pin, the rotating pin is arranged at one end of the shaft body and penetrates the mounting plate, so that the connecting shaft is rotatably connected to the mounting plate, and the sleeve part is arranged at the other end of the shaft body and is sleeved on the fixed pin, so that the connecting shaft is rotatably connected to the plug-in block.

[0011] In one embodiment of the utility model, at least one guide inclined surface is arranged on the plug-in block, and the at least one guide inclined surface is arranged at an angle of the plug-in block on the side facing the fixed part.

[0012] In one embodiment of the utility model, the fixed part includes at least one guide wheel, the guide wheel is arranged at the edge of the plug-in slot and can abut against the guide inclined surface to move.

[0013] In one embodiment of the utility model, the fixed part further includes a fixing frame and a positioning plate, one side of the fixing frame is connected to the lifting transmission frame, the other side is connected to the positioning plate, and the plug-in slot is arranged on the positioning plate.

[0014] The utility model also provides a kind of elevator, which includes the above-mentioned elevator car positioning mechanism, car and lifting transmission frame, the transmission frame is provided with transport channel extending along its height direction inside, car is slidingly connected to the transmission frame along the transport channel, the mobile piece of the elevator car positioning mechanism is arranged on car and can move synchronously with car, and the fixed part of the elevator car positioning mechanism is connected to the lifting transmission frame and is located at the target height of car.

[0015] The above technical solution of the utility model has the following advantages compared with prior art:

[0016] The utility model discloses the positioning mechanism of elevator car of lifting machine and lifting machine, through the cooperation of the moving part fixed on the car and the fixed part fixed on the lifting transmission frame, realize the hard limit structure of the car ascending height, it not only can avoid the problem of car position deviation due to heavy object movement, can also fundamentally solve the positioning deviation caused due to external environmental factors. Compared with the existing bar code positioning or laser system positioning, the present application has the advantages of simple structure, convenient operation, high flexibility, wide application range, high positioning precision and stability, etc. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further detailed.

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the positioning mechanism of elevator car of lifting machine in the preferred embodiment of the utility model;

[0019] Figure 2 It is Figure 1 The enlarged structure schematic diagram in A place;

[0020] Figure 3 It is Figure 1 The three-dimensional structure schematic diagram of fixed part in the positioning mechanism of elevator car of lifting machine shown;

[0021] Figure 4 It is Figure 1 The three-dimensional structure schematic diagram of moving part and car in the positioning mechanism of elevator car of lifting machine shown;

[0022] Figure 5 It is Figure 1 The three-dimensional structure schematic diagram of moving part in the positioning mechanism of elevator car of lifting machine shown;

[0023] Figure 6 It is the three-dimensional structure schematic diagram of the lifting machine in another embodiment of the utility model.

[0024] The description of the drawing of the specification is as follows: 100, moving part;110, mounting beam;111, slide rail;120, rotary driver;130, mounting plate;140, connecting shaft;141, shaft body;142, rotary pin;143, sleeve joint part;150, plug-in block;151, fixed pin;152, guide inclined surface;153, sliding block;200, fixed part;210, fixed frame;220, positioning plate;221, through slot;230, guide wheel;300, linkage shaft;400, car;500, transmission frame;510, baffle;520, transport channel;X, first direction;Y, second direction;Z, third direction. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. Embodiment one

[0026] The embodiment provides a hoist car positioning mechanism, which comprises: at least one moving piece 100, which is arranged on a car 400; one moving piece 100 comprises a rotary driver 120, at least one connecting shaft 140 and at least one plug-in block 150, one end of the connecting shaft 140 is connected to the rotary driver 120, the other end is connected to the plug-in block 150, so as to drive the plug-in block 150 to move; at least one fixed piece, which is arranged on a lifting transmission frame 500 and corresponds to the target height of the car 400, is internally provided with a plug-in groove 221 arranged towards the side of the car 400, and the plug-in block 150 can be arranged in the plug-in groove 221 to position the height of the car 400 in the lifting transmission frame 500.

[0027] The hoist car positioning mechanism disclosed by the embodiment realizes the hard limiting structure of the ascending height of the car 400 through the cooperation of the moving piece 100 fixed on the car 400 and the fixed piece fixed on the lifting transmission frame 500, which can not only avoid the problem of position deviation of the car 400 caused by the movement of heavy objects, but also fundamentally solve the positioning deviation caused by external environmental factors. Compared with the existing bar code positioning or laser system positioning, the application has the advantages of simple structure, convenient operation, high flexibility, wide application range, outstanding positioning precision and stability and the like.

[0028] Referring to Figure 1 For convenience of description, the length direction of the moving piece 100 is defined as the first direction X, the width direction of the moving piece 100 is defined as the second direction Y, and the height direction of the mechanism is defined as the third direction Z, wherein the first direction X, the second direction Y and the third direction Z are arranged perpendicular to each other in pairs, and the first direction X and the second direction Y are located in the same plane.

[0029] In the embodiment, referring to Figure 1 and Figure 2 The moving piece 100 is used to fix or release the actual position of the car 400 through the extension process, can be plugged into the fixed piece 200 when it is in the extended state, so as to realize the hard limiting structure of the position of the car 400; when it is in the retracted state, it can also realize the avoidance of the fixed piece 200, so that the car 400 can move along the lifting transmission frame 500.

[0030] Referring to Figure 3As shown, the fixing member in the embodiment is detachably connected to the lifting transmission frame 500, which specifically comprises a fixing frame 210 and a positioning plate 220, one side of the fixing frame 210 can be slidably connected to the lifting transmission frame 500, and the position is fixed by bolts or other connecting members, and the other side is fixedly connected to the positioning plate 220, and the plug-in slot 221 is arranged on the positioning plate 220. Further, the positioning plate 220 in the embodiment is provided with a plug-in slot 221 matched with the shape of the plug-in block 150, and each end of the plug-in slot 221 in the third direction Z is provided with a guide wheel 230, and the guide wheel 230 can abut with the plug-in block 150 to guide and limit the specific movement direction of the plug-in block 150, thereby improving the cooperation degree between the moving member 100 and the fixing member 200. In different embodiments, other numbers of guide wheels 230 can be arranged according to actual use requirements, and the guide wheels 230 can also be arranged at other positions of the edge of the plug-in slot 221, and the utility model does not make specific limitation here.

[0031] Referring to Figure 4 As shown, in order to improve the stability and positioning accuracy of the car 400, the lifting car positioning mechanism in the embodiment comprises two moving members 100, and the adjacent two rotating drivers 120 are connected through the linkage shaft 300 to realize synchronous rotation, thereby doubling the positioning accuracy and stability. The two moving members 100 in the embodiment are arranged in the same structure, and one of them is taken as an example for introduction here:

[0032] Referring to Figure 5 As shown, in the embodiment, one moving member 100 comprises an installation beam 110, two connecting shafts 140 and two plug-in blocks 150, wherein the installation beam 110 provides an installation and connection platform for other structures in the moving member 100, the connecting shafts 140 are connected to the rotating drivers 120 and located on the opposite sides of the rotating drivers 120 in the first direction X, and the plug-in blocks 150 are connected to the connecting shafts 140 to be synchronously penetrated / separated from the corresponding plug-in slots 221 in the first direction X. Specifically, the two connecting shafts 140 in the embodiment are symmetrically arranged in the first direction X, and each of them is used to transmit the driving action of the rotating driver 120 to the two plug-in blocks 150, so that the two plug-in blocks 150 can be correspondingly penetrated into the plug-in slots 221 of the two fixing members 200, thereby realizing the synchronous positioning process of the car 400 from the opposite sides. Specifically, the rotating driver 120 in the embodiment is preferably a rotating motor.

[0033] The moving piece 100 in the embodiment further comprises a mounting plate 130 connected to the working end of the rotary driver 120, and the connecting shaft 140 is rotatably connected to the mounting plate 130. Specifically, the mounting plate 130 is used to drive the two connecting shafts 140 to rotate synchronously. Further, the connecting shaft 140 comprises a shaft body 141 and a rotary pin 142 provided at one end of the shaft body 141 and penetrating through the mounting plate 130, so that the connecting shaft 140 is rotatably connected to the mounting plate 130. Correspondingly, the connecting shaft 140 further comprises a sleeving part 143 provided at the other end of the shaft body 141 and sleeved on a fixed pin 151 provided on the plug-in block 150, so that the connecting shaft 140 is rotatably connected to the plug-in block 150.

[0034] In the embodiment, the mounting beam 110 is provided with a sliding rail 111 extending along the first direction X at each end, and the two plug-in blocks 150 are slidably connected to the two sliding rails 111 through the sliding blocks 153 provided on the back surfaces thereof. Based on this, the combination of the connecting shaft 140 and the sliding rail 111 can convert the rotary driving action of the rotary driver 120 into linear driving action, thereby ensuring that the plug-in block 150 can move stably along the first direction X.

[0035] Further, the plug-in block 150 is provided with at least one guide inclined surface 152 obliquely provided at a corner of the side of the plug-in block 150 facing the fixed piece 200. Specifically, the plug-in block 150 in the embodiment is provided with two guide inclined surfaces 152 symmetrically provided along the height direction thereof, so as to abut against the two guide wheels 230, respectively. The guide inclined surface 152 can adjust the height of the plug-in block 150 during the movement of the plug-in block 150, thereby ensuring that the plug-in block 150 can be accurately clamped in the plug-in slot 221. Embodiment Two

[0036] The embodiment provides a hoist comprising the hoist car positioning mechanism, a car 400, and a lifting transmission frame 500. The transmission frame 500 is internally provided with a transportation channel 520 extending along the height direction thereof, and the transportation channel 520 is axially provided with a baffle 510 to improve the internal environmental stability. The car 400 is slidably connected to the transmission frame 500 along the transportation channel 520. The moving piece 100 of the hoist car positioning mechanism is arranged on the car 400 and can move synchronously with the car 400. The fixed piece 200 of the hoist car positioning mechanism is connected to the lifting transmission frame 500 and corresponds to the target height of the car 400.

[0037] Summarized above, the elevator car positioning mechanism and the elevator, through the cooperation of the moving piece 100 fixed on the car 400 and the fixed piece fixed on the lifting transmission frame 500, the hard limiting structure of the ascending height of the car 400 is realized, which can not only avoid the problem of position deviation of the car 400 caused by the movement of heavy objects, but also fundamentally solve the positioning deviation caused by external environmental factors. Compared with the existing bar code positioning or laser system positioning, the application has the advantages of simple structure, convenient operation, high flexibility, wide application range, outstanding positioning precision and stability and the like.

[0038] Obviously, the above embodiments are only examples for clearly illustrating, not limiting the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments cannot be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An elevator car positioning mechanism, characterized by: The application relates to a hoist car positioning mechanism. The hoist car positioning mechanism comprises at least two moving parts, and adjacent rotating drivers are connected through connecting shafts to rotate synchronously. One of the moving parts comprises two connecting shafts and two plug-in blocks, the connecting shafts are connected to the rotating drivers and located on the two sides of the rotating drivers in the first direction, and the plug-in blocks are connected to the two connecting shafts to synchronously penetrate / leave the corresponding plug-in slots in the first direction.

2. The hoistway car positioning mechanism of claim 1, wherein: The moving part further comprises a mounting beam, and the end of the mounting beam is provided with sliding rails extending in the first direction, and the plug-in blocks are slidingly connected to the sliding rails.

3. The hoistway car positioning mechanism of claim 1, wherein: The moving part further comprises a mounting plate connected to the working end of the rotating driver, and the connecting shafts are rotationally connected to the mounting plate.

4. The hoistway car positioning mechanism of claim 1, wherein: The connecting shaft comprises a shaft body, a rotating pin and a sleeve part, the plug-in block is provided with a fixed pin, the rotating pin is arranged at one end of the shaft body and penetrates the mounting plate so that the connecting shaft is rotationally connected to the mounting plate, and the sleeve part is arranged at the other end of the shaft body and sleeved with the fixed pin so that the connecting shaft is rotationally connected to the plug-in block.

5. The hoistway car positioning mechanism of claim 1, wherein: The plug-in block is provided with at least one guide slope, and the at least one guide slope is arranged at the corner of the plug-in block on the side facing the fixed part.

6. The hoistway car positioning mechanism of claim 5, wherein: The fixed part comprises at least one guide wheel arranged at the edge of the plug-in slot and capable of abutting the guide slope to move.

7. The hoistway car positioning mechanism of claim 1, wherein: The fixed part further comprises a fixed frame and a positioning plate, one side of the fixed frame is connected to the lifting transmission frame, the other side is connected to the positioning plate, and the plug-in slot is arranged on the positioning plate.

8. The hoistway car positioning mechanism of claim 7, wherein: The hoist car positioning mechanism, the car and the lifting transmission frame in any one of claims 1-9 are arranged in the lifting transmission frame, the transmission frame is internally provided with a transportation channel extending in the height direction, the car is slidingly connected to the transmission frame along the transportation channel, the moving part of the hoist car positioning mechanism is arranged on the car and can synchronously move with the car, and the fixed part of the hoist car positioning mechanism is connected to the lifting transmission frame and corresponds to the target height of the car.

9. The hoistway car positioning mechanism of claim 1, wherein: ​ 10. A hoist characterized by: ​

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