A kind of limit device for controlling the accuracy of cargo elevator leveling

Abstract

The utility model discloses a kind of limit devices for the flatness accuracy control of freight elevator, it is related to elevator technical field, including installation track and reflection target body, the both sides of installation track are fixedly connected with mounting plate, the inside of mounting plate is provided with mounting bolt, the rear surface of reflection target body is provided with dismounting assembly;The dismounting assembly includes the mounting block setting in the rear surface of reflection target body, the inside sliding connection of the mounting block has locating block, the inside sliding connection of the locating block has clamping plate, the rear surface fixedly connected of the mounting block has connecting column, one side fixedly connected of the mounting block inner wall has locating column.The utility model has beneficial effect for: by setting dismounting assembly, under the action of mounting block and locating block, it is convenient for staff to carry out quick dismounting to reflection target body, and under the action of clamping plate, reflection target body and mounting block can be connected stably.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to a limit device for controlling the leveling accuracy of a freight elevator. Background Technology

[0002] An elevator is a permanent transportation device that serves several specific floors within a building, with its car moving on at least two rigid tracks perpendicular to the horizontal plane or with an angle of inclination less than 15° to the vertical. Freight elevators are a type of elevator, primarily used for the vertical transport of goods. They are mainly applied in industrial and commercial settings such as factories, warehouses, shopping malls, and logistics centers, and are classified into three types: machine room-type, machine room-less, and hydraulic.

[0003] Currently, when controlling the leveling accuracy of freight elevators, a limit mechanism is required. When the car approaches the target floor, it can detect the vertical distance between the car and the floor sill in real time. Some limit devices require the installation of laser reflective targets on the side wall of the shaft. However, some existing reflective targets are directly fixed to the elevator guide rail or shaft wall by rigid connection methods such as bolts or welding. The bolt installation method requires precise drilling and bolt matching, which is a relatively cumbersome installation process. At the same time, the disassembly and assembly efficiency is low when inspecting or replacing the reflective targets. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A limiting device for controlling the leveling accuracy of a freight elevator includes an installation track and a reflective target body. Mounting plates are fixedly connected to both sides of the installation track, and mounting bolts are provided inside the mounting plates. A disassembly assembly is provided on the rear surface of the reflective target body.

[0007] The assembly / disassembly assembly includes a mounting block disposed on the rear surface of the reflective target body, a positioning block slidably connected inside the mounting block, a locking plate slidably connected inside the positioning block, a connecting post fixedly connected to the rear surface of the mounting block, and a positioning post fixedly connected to one side of the inner wall of the mounting block.

[0008] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the positioning block has a positioning hole inside that cooperates with the positioning column, the inner wall of the positioning hole is slidably connected to the outer side of the positioning column, and a magnetic plate is fixedly connected to one side of the inner wall of the positioning hole.

[0009] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the positioning block is internally fixedly connected to a fixing rod, and a spring is sleeved on the outside of the fixing rod. One end of the spring is welded to the outside of the fixing rod, and the other end of the spring is welded to one side of the clamping plate.

[0010] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the mounting block has an installation groove inside, and one side of the inner wall of the installation groove is fixedly connected to one end of the positioning column.

[0011] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the mounting block has a slot inside, and the inner wall of the slot is slidably connected to the outer side of the plate.

[0012] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the rear surface of the connecting column is provided with a screw tube, and a rotating ball is fixedly connected to the rear surface of the connecting column, wherein the outer side of the rotating ball is rotatably connected to the inner wall of the screw tube.

[0013] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, the outer side of the spiral tube is threaded with a locking ring, and the inner side of the mounting rail is slidably connected with a moving block.

[0014] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, wherein: a first toothed plate is fixedly connected to both sides of the moving block, and a second toothed plate is engaged with the front surface of the first toothed plate.

[0015] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, wherein: a rotating tube is rotatably connected to the front surface of the mounting track, and a lead screw is threadedly connected to the inside of the rotating tube.

[0016] As a preferred embodiment of the limiting device for controlling the leveling accuracy of the freight elevator described in this utility model, one end of the lead screw is fixedly connected to the front surface of the second toothed plate, a slide rod is fixedly connected to the front surface of the second toothed plate, and the outer side of the slide rod is slidably connected to the inside of the mounting track.

[0017] The beneficial effects of this utility model are as follows: by setting up the disassembly and assembly components, under the action of the mounting block and the positioning block, it is convenient for the staff to quickly disassemble and assemble the reflective target body. At the same time, under the action of the clamping plate, the reflective target body can be stably connected to the mounting block. By setting up the mounting track, the first toothed plate and the second toothed plate, it is convenient for the staff to adjust the height of the reflective target body by adjusting the position of the moving block. By setting up the rotating ball and the locking ring, it is convenient for the staff to fine-tune the placement angle of the reflective target body. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a structural diagram of a limit device used for controlling the leveling accuracy of a freight elevator.

[0020] Figure 2 A schematic diagram of the overall structure of the limit device used for controlling the leveling accuracy of a freight elevator, viewed from below.

[0021] Figure 3 A schematic diagram of the assembly and disassembly structure of the limit device used for controlling the leveling accuracy of a freight elevator.

[0022] Figure 4 A schematic diagram showing the connection between the reflective target body and the solenoid structure of the limit device used for leveling accuracy control of a freight elevator.

[0023] Figure 5 A schematic diagram showing the connection between the installation track and the second toothed plate structure of the limit device used for controlling the leveling accuracy of a freight elevator.

[0024] The diagram is labeled as follows: 1. Mounting track; 2. Target body; 3. Mounting plate; 4. Mounting bolt; 5. Assembly / disassembly assembly; 51. Mounting block; 52. Positioning block; 53. Clamping plate; 54. Connecting post; 55. Positioning post; 6. Magnetic plate; 7. Positioning hole; 8. Fixing rod; 9. Spring; 10. Mounting groove; 11. Clamping groove; 12. Screw tube; 13. Rotating ball; 14. Locking ring; 15. Moving block; 16. First toothed plate; 17. Second toothed plate; 18. Rotating tube; 19. Lead screw; 20. Slide rod. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Example 1:

[0029] Reference Figures 1-5 This is the first embodiment of the present invention. This embodiment provides a limiting device for controlling the leveling accuracy of a freight elevator, including a mounting rail 1 and a reflective target body 2. Mounting plates 3 are fixedly connected to both sides of the mounting rail 1. Mounting bolts 4 are provided inside the mounting plates 3. A disassembly assembly 5 is provided on the rear surface of the reflective target body 2. By setting the mounting rail 1, it is convenient for workers to place and install the disassembly assembly 5 and the reflective target body 2. By setting the reflective target body 2, the laser emitted by the laser emitter located at the top beam of the car is received by the reflective target body 2. When the car runs to a certain range of the target floor, the laser sensor on the top of the car is automatically activated and emits a pulse to the reflective target body 2 on the shaft wall. Under the action of the reflective target body 2, the beam returns along the original path. The high-precision timing chip inside the laser sensor measures the round-trip time difference of the laser and calculates the distance between the car and the target floor in real time.

[0030] The assembly and disassembly assembly 5 includes a mounting block 51 disposed on the rear surface of the reflective target body 2, a positioning block 52 slidably connected inside the mounting block 51, a locking plate 53 slidably connected inside the positioning block 52, a connecting post 54 fixedly connected to the rear surface of the mounting block 51, and a positioning post 55 fixedly connected to one side of the inner wall of the mounting block 51.

[0031] With the help of the mounting block 51, the staff can quickly install and position the positioning block 52. By setting the clamping plate 53, the mounting block 51 and the positioning block 52 can be stably connected. At the same time, with the help of the positioning column 55, it is convenient for the staff to position and install the positioning block 52 and the reflective target body 2.

[0032] Example 2:

[0033] Reference Figure 2 , Figure 3 and Figure 4 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0034] Specifically, the positioning block 52 has a positioning hole 7 inside that works with the positioning post 55. The inner wall of the positioning hole 7 is slidably connected to the outer side of the positioning post 55, and a magnetic plate 6 is fixedly connected to one side of the inner wall of the positioning hole 7.

[0035] Under the action of the positioning hole 7, the positioning post 55 can enter the interior of the positioning hole 7, so that the positioning block 52 can be placed in the designated position. At the same time, the positioning post 55 is a magnetic metal, which makes it easy for the magnetic plate 6 to attract it.

[0036] Specifically, a fixing rod 8 is fixedly connected inside the positioning block 52, and a spring 9 is sleeved on the outside of the fixing rod 8. One end of the spring 9 is welded to the outside of the fixing rod 8, and the other end of the spring 9 is welded to one side of the clamping plate 53.

[0037] Under the elastic force of spring 9, the position of the clamping plate 53 can be adjusted to a certain extent, while the outer side of the fixing rod 8 is slidably connected to the inside of the clamping plate 53.

[0038] Specifically, the mounting block 51 has a mounting groove 10 inside, and one side of the inner wall of the mounting groove 10 is fixedly connected to one end of the positioning post 55.

[0039] The installation slot 10 facilitates the positioning and installation of the positioning block 52 by the staff.

[0040] Specifically, the mounting block 51 has a slot 11 inside, and the inner wall of the slot 11 is slidably connected to the outer side of the plate 53.

[0041] Under the action of the slot 11, after the positioning block 52 moves to the designated position inside the mounting block 51, the locking plate 53 pops out under the elastic force of the spring 9, and then pops out through the slot 11. Thus, under the action of the two locking plates 53, the positioning block 52 and the mounting block 51 are tightly connected.

[0042] Specifically, a screw tube 12 is provided on the rear surface of the connecting post 54, and a rotating ball 13 is fixedly connected to the rear surface of the connecting post 54. The outer side of the rotating ball 13 is rotatably connected to the inner wall of the screw tube 12.

[0043] A high-friction coating is applied to the area where the outer side of the rotating ball 13 contacts the inner wall of the solenoid 12, thereby increasing the friction between the rotating ball 13 and the solenoid 12.

[0044] Specifically, the outer thread of the screw tube 12 is connected to a locking ring 14, and the inner sliding connection of the mounting rail 1 is a moving block 15.

[0045] Rotating the locking ring 14, whose inner ring is a conical surface, allows the locking ring 14 to apply a certain pressure to the screw tube 12, thereby enabling the screw tube 12 to clamp and position the rotating ball 13.

[0046] Example 3:

[0047] Reference Figure 1 , Figures 2-5 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0048] Specifically, the two sides of the movable block 15 are fixedly connected to the first toothed plate 16, and the front surface of the first toothed plate 16 is engaged with the second toothed plate 17.

[0049] The second toothed plate 17 can position the first toothed plate 16, so that the first toothed plate 16 can be placed stably.

[0050] Specifically, a rotating tube 18 is rotatably connected to the front surface of the mounting track 1, and a lead screw 19 is threadedly connected inside the rotating tube 18.

[0051] Rotating the rotating tube 18 causes the lead screw 19 to move, which in turn causes the second toothed plate 17 to move, thereby positioning the first toothed plate 16 and ensuring that the moving block 15 is placed stably.

[0052] Specifically, one end of the lead screw 19 is fixedly connected to the front surface of the second toothed plate 17, and a slide rod 20 is fixedly connected to the front surface of the second toothed plate 17. The outer side of the slide rod 20 is slidably connected to the inside of the mounting track 1.

[0053] When the second toothed plate 17 moves, it can drive the slide bar 20 to slide inside the mounting track 1, thereby making the movement of the second toothed plate 17 stable.

[0054] During use, after the operator installs the reflector target body 2 using this device, when it is necessary to disassemble and repair the reflector target body 2, the operator first presses the two locking plates 53, causing the two locking plates 53 to slide on the outside of the fixing rod 8, while simultaneously compressing the spring 9. After the locking plates 53 move to the designated position inside the positioning block 52, the operator pulls the positioning block 52, causing the magnetic plate 6 to disengage from the positioning post 55, thereby causing the positioning block 52 to disengage from the mounting block 51, thus facilitating the operator's disassembly and repair of the reflector target body 2. Simultaneously, during the installation and adjustment of the reflector target body 2, the operator rotates the rotating tube 18, causing the lead screw 19 to move, thereby disengaging the second toothed plate 17 from the first toothed plate 16, and then pushes the moving block 15. Under the action of the first toothed plate 16, the first toothed plate 16 can be moved inside the mounting track 1. After the moving block 15 moves to the designated position, the rotating tube 18 is rotated, which causes the second toothed plate 17 to move. Then, by finely adjusting the position of the first toothed plate 16, the second toothed plate 17 and the first toothed plate 16 are engaged, thereby positioning the moving block 15. Then, the operator can rotate the connecting column 54, which causes the rotating ball 13 to rotate inside the screw tube 12, thereby adjusting the placement angle of the connecting column 54 and the reflective target body 2. After the angle is adjusted, the operator rotates the locking ring 14, which causes the screw tube 12 to clamp and position the rotating ball 13, thereby facilitating the operator to adjust the position of the reflective target body 2.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A limiting device for controlling the leveling accuracy of a freight elevator, comprising a mounting rail (1) and a reflective target body (2), characterized in that: Mounting plates (3) are fixedly connected to both sides of the mounting track (1), and mounting bolts (4) are provided inside the mounting plates (3). A disassembly assembly (5) is provided on the rear surface of the reflective target body (2). The assembly / disassembly assembly (5) includes an mounting block (51) disposed on the rear surface of the reflective target body (2), a positioning block (52) is slidably connected inside the mounting block (51), a clamping plate (53) is slidably connected inside the positioning block (52), a connecting post (54) is fixedly connected to the rear surface of the mounting block (51), and a positioning post (55) is fixedly connected to one side of the inner wall of the mounting block (51).

2. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The positioning block (52) has a positioning hole (7) inside that works with the positioning post (55). The inner wall of the positioning hole (7) is slidably connected to the outer side of the positioning post (55). A magnetic plate (6) is fixedly connected to one side of the inner wall of the positioning hole (7).

3. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The positioning block (52) is internally fixedly connected to a fixing rod (8), and a spring (9) is sleeved on the outside of the fixing rod (8). One end of the spring (9) is welded to the outside of the fixing rod (8), and the other end of the spring (9) is welded to one side of the clamping plate (53).

4. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The mounting block (51) has an installation groove (10) inside, and one side of the inner wall of the installation groove (10) is fixedly connected to one end of the positioning column (55).

5. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The mounting block (51) has a slot (11) inside, and the inner wall of the slot (11) is slidably connected to the outer side of the plate (53).

6. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The rear surface of the connecting post (54) is provided with a screw tube (12), and a rotating ball (13) is fixedly connected to the rear surface of the connecting post (54). The outer side of the rotating ball (13) is rotatably connected to the inner wall of the screw tube (12).

7. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 6, characterized in that: The outer side of the helical tube (12) is threaded with a locking ring (14), and the inner side of the mounting rail (1) is slidably connected with a moving block (15).

8. The limit device for controlling the leveling accuracy of a freight elevator as described in claim 7, characterized in that: The movable block (15) is fixedly connected to both sides with a first toothed plate (16), and the front surface of the first toothed plate (16) is engaged with a second toothed plate (17).

9. The limit device for controlling the leveling accuracy of a freight elevator as described in claim 1, characterized in that: The front surface of the mounting track (1) is rotatably connected to a rotating tube (18), and the inside of the rotating tube (18) is threadedly connected to a lead screw (19).

10. The limiting device for controlling the leveling accuracy of a freight elevator as described in claim 9, characterized in that: One end of the lead screw (19) is fixedly connected to the front surface of the second toothed plate (17), and a slide rod (20) is fixedly connected to the front surface of the second toothed plate (17). The outer side of the slide rod (20) is slidably connected to the inside of the mounting track (1).

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