Telescopic car positioning device

Abstract

The utility model relates to a telescopic lift car positioning device which comprises a hovering frame, a lifting frame and a positioning device. The hovering motor is arranged on the supporting plate, and the hovering motor is provided with two output ends; the two rotary clamping blocks are connected with the output end of the hovering motor and controlled by the hovering motor to rotate at the same time. The four telescopic positioning mechanisms are oppositely arranged on the hovering frame in pairs; wherein one end of each telescopic positioning mechanism is connected with a rotating clamping block, when the rotating clamping block rotates, the telescopic positioning mechanisms are driven by the rotating clamping block to achieve the telescopic action in the hovering frame, when the rotating clamping block is in a horizontal state, the telescopic positioning mechanisms are in an extending state, and when the rotating clamping block is in a horizontal state, the telescopic positioning mechanisms are in a horizontal state. And clamping and positioning are carried out on the buckles on the cross beams of the operation layer. Accurate stopping of the hovering frame on the corresponding operation layer is achieved through clamping connection between the telescopic positioning mechanism and the cross beam of the operation layer.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator cars, in particular to a telescopic elevator car positioning device. Background Art

[0002] The hoist frame has a certain height, and is provided with multiple entrances and exits for goods to enter and exit, so as to realize the transportation and transfer of goods between working layers at different heights; the cargo platform is docked at the entrance and exit positions of working layers at different heights for goods to enter and exit. However, the docking position accuracy of the cargo platform at working layers at different heights is completely dependent on the braking accuracy of the lifting motor. When there is a certain height difference between the cargo platform and the corresponding working layer, specifically, the cargo platform is higher than the working layer (i.e., the external docking platform), and the goods need to be lifted to a certain height before they can enter the cargo platform, or the cargo platform is lower than the working layer (i.e., the external docking platform), and the goods need to be lifted to a certain height before they can be moved out of the cargo platform, resulting in the need for external force when the goods enter and exit, which is very inconvenient to operate. At the same time, when the goods are heavy, or it is a rail vehicle, the height difference between the cargo platform and the working layer will make the impact of the above problems more serious. At the same time, when the cargo platform is not on the working layer, the cargo on the working layer is in a state waiting for docking and transportation. The cargo position is usually determined by programs and detection switches to control the action of the docking platform on the working layer. When the detection fails or the program fails, the docking platform is at risk of malfunction, and there is a risk of the cargo falling into the elevator frame, causing a falling accident. Utility Model Content

[0003] To this end, the technical problem to be solved by the utility model is to overcome the problem of height difference between the cargo platform and the working layer in the prior art, and provide a telescopic car positioning device, which enables the cargo platform to accurately stop at the corresponding working layer through the clamping connection between the telescopic positioning mechanism and the working layer crossbeam.

[0004] In order to solve the above technical problems, the utility model provides a telescopic car positioning device, comprising:

[0005] A suspension frame, wherein a support plate is provided in the middle of the suspension frame;

[0006] A hovering motor is arranged on the support plate, and the hovering motor is provided with two output ends;

[0007] The rotating blocks include two, which are respectively connected to the output ends of the hovering motor and are controlled by the hovering motor to rotate simultaneously;

[0008] The telescopic positioning mechanism includes four ones, which are arranged opposite to each other on the suspension frame; one end of each of the telescopic positioning mechanisms is connected to a rotating block, and when the rotating block rotates, the telescopic positioning mechanism is driven by the rotating block to realize a telescopic action in the suspension frame; when the rotating block is in a horizontal state, the telescopic positioning mechanism is in an extended state and is clamped and positioned with the buckle on the working layer beam.

[0009] In one embodiment of the utility model, the telescopic positioning mechanism includes a positioning rod, a pulley assembly and a connecting rod mechanism, one end of the positioning rod is connected to the rotating block through the connecting rod mechanism, and the other end of the positioning rod is connected to the pulley assembly.

[0010] In an embodiment of the utility model, the connecting rod mechanism includes a connecting rod and a first rotating connecting member and a second rotating connecting member arranged on both sides of the connecting rod, the first rotating connecting member is connected to the rotating block, and the second rotating connecting member is connected to the positioning rod.

[0011] In one embodiment of the utility model, the pulley assembly includes a first pulley, a second pulley and a rotating shaft, and the first pulley and the second pulley are both arranged on both sides of the end of the positioning rod through the rotating shaft.

[0012] In one embodiment of the utility model, the end of the positioning rod is provided with an avoidance surface for mounting the first pulley and the second pulley.

[0013] In one embodiment of the present invention, the upper surface and the lower surface of the end of the positioning rod are provided with guide surfaces, and the angle formed between the guide surfaces and the central axis of the positioning rod is 30°-50°.

[0014] In one embodiment of the utility model, the suspension frame is provided with a guide mechanism for limiting the linear motion of the positioning rod.

[0015] In one embodiment of the present invention, the guide mechanism comprises a guide cylinder, and the guide cylinder is mounted on the suspension frame through a fixing member.

[0016] In one embodiment of the utility model, a photoelectric sensor for sensing the rotation angle of the rotating block is provided on one side of one of the rotating blocks on the support plate, the photoelectric sensor is connected to the controller, and a photoelectric sensing sheet is provided on the rotating block. When the photoelectric sensor detects that the rotating block rotates to a set angle, the photoelectric sensor feeds back a signal to the controller, and the controller controls the hovering motor to stop rotating.

[0017] In one embodiment of the present invention, the photoelectric sensor is arranged on the support plate via a fixing bracket.

[0018] The above technical solution of the utility model has the following advantages compared with the prior art:

[0019] The telescopic car positioning device described in the utility model realizes the accurate docking of the cargo platform at the corresponding working layer through the clamping connection between the telescopic positioning mechanism and the working layer crossbeam, thereby eliminating the need to rely on the positioning accuracy of the lifting motor, and because the clamping end is mechanically fixed, the change in the docking level caused by the chain stretched by the dead weight of the goods during the loading process is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0021] Figure 1 It is a structural schematic diagram of a telescopic car positioning device in a preferred embodiment of the utility model;

[0022] Figure 2 yes Figure 1 A schematic structural diagram of the telescopic positioning mechanism of the telescopic car positioning device shown in FIG. 1 is retracted into the suspended frame;

[0023] Figure 3 yes Figure 1 A structural schematic diagram of a telescopic positioning mechanism of a telescopic car positioning device shown;

[0024] Figure 4 yes Figure 2 A schematic structural diagram of the positioning rod of the telescopic positioning mechanism shown.

[0025] Explanation of the reference numerals in the specification: 1. Hovering frame; 11. Support plate; 2. Hovering motor; 3. Rotating block; 4. Telescopic positioning mechanism; 41. Positioning rod; 411. Avoidance surface; 412. Guide surface; 42. Pulley assembly; 421. First pulley; 422. Second pulley; 423. Rotating shaft; 43. Connecting rod mechanism; 431. Connecting rod; 432. First rotating connector; 433. Second rotating connector; 6. Photoelectric sensor; 7. Photoelectric sensor sheet; 8. Fixed bracket. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0027] Reference Figure 1As shown, the utility model provides a telescopic car positioning device, including: a suspension frame 1, a support plate 11 is provided at the middle position of the suspension frame 1; a suspension motor 2 is arranged on the support plate 11, and the suspension motor 2 is provided with two output ends; a rotating block 3, including two, which are respectively connected to the output ends of the suspension motor 2 and are controlled by the suspension motor 2 to rotate simultaneously; a telescopic positioning mechanism 4, including four, which are arranged on the suspension frame 1 opposite to each other; one end of each of the telescopic positioning mechanisms 4 is connected to the rotating block 3, when the rotating block 3 rotates, the telescopic positioning mechanism 4 is driven by the rotating block 3 to realize the telescopic action in the suspension frame 1, when the rotating block 3 is in a horizontal state, the telescopic positioning mechanism 4 is in an extended state, and is clamped and positioned with the buckle on the working layer beam.

[0028] like Figure 3 As shown, the telescopic positioning mechanism 4 includes a positioning rod 41, a pulley assembly 42 and a connecting rod mechanism 43. One end of the positioning rod 41 is connected to the rotating block 3 through the connecting rod mechanism 43, and the other end of the positioning rod 41 is connected to the pulley assembly 42. In this embodiment, each rotating block 3 located on both sides of the hovering motor 2 is connected to two telescopic positioning mechanisms 4. When the rotating block 3 rotates, the two telescopic positioning mechanisms 4 can be driven to perform telescopic actions at the same time. When the telescopic positioning mechanism 4 is extended, the connecting rod mechanism 43 drives the positioning rod 41 to move horizontally in the hovering frame 1. When the positioning rod 41 is extended, the end of the positioning rod 41 is inserted into the buckle on the working layer beam. The pulley assembly 42 is arranged at the end of the positioning rod 41, which can make the positioning rod 41 more smooth and stable when it is extended into the buckle or withdrawn from the buckle.

[0029] Preferably, the connecting rod mechanism 43 includes a connecting rod 431 and a first rotating connecting member 432 and a second rotating connecting member 433 arranged on both sides of the connecting rod 431 , the first rotating connecting member 432 is connected to the rotating block 3 , and the second rotating connecting member 433 is connected to the positioning rod 41 .

[0030] In addition, the pulley assembly 42 includes a first pulley 421 , a second pulley 422 and a rotating shaft 423 . The first pulley 421 and the second pulley 422 are both arranged on both sides of the end of the positioning rod 41 through the rotating shaft 423 .

[0031] Furthermore, the end of the positioning rod 41 is provided with an avoidance surface 411 for installing the first pulley 421 and the second pulley 422. The design of the avoidance surface 411 allows the first pulley 421 and the second pulley 422 to be closely attached to the two ends of the positioning rod 41, thereby preventing the positioning rod 41 from being deflected when extending into the buckle on the working layer beam.

[0032] In this embodiment, the upper and lower surfaces of the end of the positioning rod 41 are provided with guide surfaces 412, and the angle formed between the guide surface 412 and the central axis of the positioning rod 41 is 30°-50°. The design of the guide surface 412 can reduce the gap between the guide surface 412 and the inner contact surface of the buckle on the working layer cross beam when the positioning rod 41 is inserted into the buckle on the working layer cross beam, so as to avoid the loose engagement caused by too large a gap when the guide surface 412 contacts and slides with the bayonet.

[0033] like Figure 3 As shown, the suspension frame 1 is provided with a guide mechanism 5 for limiting the linear motion of the positioning rod 41. The guide mechanism 5 can limit the moving direction of the positioning rod 41, so that the positioning rod 41 can always reciprocate in the horizontal direction, realizing the telescopic function of the positioning rod 41.

[0034] Preferably, the guide mechanism 5 comprises a guide cylinder 51, and the guide cylinder 51 is mounted on the suspension frame 1 through a fixing member 52. After the guide cylinder 51 is mounted on the suspension frame 1, the positioning rod 41 can be confined in the guide cylinder 51 to perform linear motion.

[0035] like Figure 4 As shown, a photoelectric sensor 6 for sensing the rotation angle of the rotating block 3 is provided on one side of one of the rotating blocks 3 on the support plate 11, and the photoelectric sensor 6 is connected to the controller, and a photoelectric sensing sheet 7 is provided on the rotating block 3. When the photoelectric sensor 6 detects that the rotating block 3 rotates to a set angle, the photoelectric sensor 6 feeds back a signal to the controller, and the controller controls the hovering motor 2 to stop rotating. Preferably, the photoelectric sensor 6 is arranged on the support plate 11 through a fixing bracket 8.

[0036] During operation, the car positioning device in the above embodiment is installed on the cargo platform. When the cargo platform enters the docking working layer, the suspension motor 2 drives the rotating block 3 to rotate, drives the positioning rod 41 of the telescopic positioning mechanism 4 to extend out of the suspension frame 1, and then snaps into the buckle of the crossbeam of the working layer, so as to realize timely and accurate docking with the corresponding working layer; when the cargo platform is in operation, the telescopic positioning mechanism 4 retracts into the suspension frame 1, and the rotating block 3 forms an angle of 90° with the horizontal direction, such as Figure 2 shown.

[0037] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A telescopic car positioning device, characterized in that: include: A suspension frame, wherein a support plate is provided in the middle of the suspension frame; A hovering motor is arranged on the support plate, and the hovering motor is provided with two output ends; The rotating blocks include two, which are respectively connected to the output ends of the hovering motor and are controlled by the hovering motor to rotate simultaneously; The telescopic positioning mechanism includes four ones, which are arranged opposite to each other on the suspension frame; one end of each of the telescopic positioning mechanisms is connected to a rotating block, and when the rotating block rotates, the telescopic positioning mechanism is driven by the rotating block to realize a telescopic action in the suspension frame; when the rotating block is in a horizontal state, the telescopic positioning mechanism is in an extended state and is clamped and positioned with the buckle on the working layer beam.

2. A telescopic car positioning device according to claim 1, characterized in that: The telescopic positioning mechanism comprises a positioning rod, a pulley assembly and a connecting rod mechanism. One end of the positioning rod is connected to the rotating block through the connecting rod mechanism, and the other end of the positioning rod is connected to the pulley assembly.

3. A telescopic car positioning device according to claim 2, characterized in that: The connecting rod mechanism comprises a connecting rod and a first rotating connecting member and a second rotating connecting member arranged on both sides of the connecting rod, wherein the first rotating connecting member is connected to a rotating clamping block, and the second rotating connecting member is connected to a positioning rod.

4. A telescopic car positioning device according to claim 2, characterized in that: The pulley assembly comprises a first pulley, a second pulley and a rotating shaft, and the first pulley and the second pulley are both arranged on both sides of the end of the positioning rod through the rotating shaft.

5. A telescopic car positioning device according to claim 4, characterized in that: The end of the positioning rod is provided with an avoidance surface for mounting the first pulley and the second pulley.

6. A telescopic car positioning device according to claim 5, characterized in that: The upper surface and the lower surface of the end of the positioning rod are provided with guide surfaces, and the angle formed between the guide surfaces and the central axis of the positioning rod is 30°-50°.

7. A telescopic car positioning device according to claim 2, characterized in that: The suspension frame is provided with a guide mechanism for limiting the linear motion of the positioning rod.

8. A telescopic car positioning device according to claim 7, characterized in that: The guide mechanism comprises a guide cylinder, and the guide cylinder is mounted on the suspension frame through a fixing member.

9. A telescopic car positioning device according to claim 1, characterized in that: A photoelectric sensor for sensing the rotation angle of the rotating block is provided on one side of one of the rotating blocks on the support plate. The photoelectric sensor is connected to a controller. A photoelectric sensing sheet is provided on the rotating block.

10. A telescopic car positioning device according to claim 9, characterized in that: The photoelectric sensor is arranged on the support plate through a fixing bracket.

Images