Rope returning wheel fixing structure for elevator car

Abstract

The utility model relates to the technical field of elevator car rope returning wheels, and discloses a rope returning wheel fixing structure for an elevator car, which comprises a mounting plate, a rope returning wheel fixing and adjusting mechanism is arranged at the bottom of the mounting plate, a rope returning wheel mechanism is arranged at the top of the rope returning wheel fixing and adjusting mechanism, and a fixing bolt is arranged in the mounting plate. A mounting transverse plate is arranged outside a connecting sliding rod, the sliding rod slides outside the connecting sliding rod, a rotating rod slides in a screw rod, and when the mounting transverse plate reaches a proper position, the rotating rod is rotated to drive a triangular protruding block outside the screw rod to slide in the connecting sliding rod; a triangular protruding block pushes a sliding limiting block to enter a sliding rod, meanwhile, the other set of sliding limiting block enters a mounting transverse plate, the sliding position of the sliding rod can be conveniently limited, meanwhile, the other set of sliding limiting block preliminarily fixes the mounting transverse plate, and a rope returning wheel is arranged to fix the mounting plate; and the installation of the rope returning wheel body is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator car return pulleys, and particularly relates to a fixing structure for an elevator car return pulley. Background Technique

[0002] The main functions of the return pulley are to reduce the output power and torque of the traction machine, and to control the tension and position of the traction rope. The return pulley is usually a movable pulley arranged at the top of the car and the top of the counterweight, as well as a fixed pulley in the machine room. It needs to be fixed during use, so a fixing structure for an elevator car return pulley is required.

[0003] According to a fixing structure for an aluminum profile elevator shaft top return pulley (authorization announcement number: CN208994905 U) disclosed on the patent network, it is described that "the utility model discloses a fixing structure for an aluminum profile elevator shaft top return pulley, including columns, mounting plates, connecting plates, support plates, upper pulling plates, lower pulling plates, vertical plates, shaft rods, bearings, elevator return pulleys and covers. There are four columns. The bottom side surfaces of the four columns are fixedly connected together through the connecting plates. Between the upper ends of the connecting plates on the left and right sides of the four columns, two support plates are fixedly connected. Between the upper ends of the two support plates, a plurality of upper pulling plates are fixedly connected. Between the bottom ends of the two support plates, a lower pulling plate is fixedly connected. At the front and rear centers of the upper ends of the two support plates, two vertical plates are symmetrically fixedly connected respectively. And between the two vertical plates at the front and rear of the upper end of the support plate, shaft rods are respectively fixedly connected. On the two shaft rods, a plurality of elevator return pulleys are rotatably connected through bearings. The structure of the utility model is simple and reasonable, easy to install, beautiful in appearance, low in manufacturing cost and strong in practicability".

[0004] Regarding the above description, the applicant believes that there are the following problems: when the device is used, the cross-section of the aluminum profile column is utilized to make it bear the force instead of the aluminum profile beam, which can not only bear a certain degree of pressure, but also be safe and stable. Since the column of the device has a fixed length and cannot be adjusted according to the usage situation, it is not convenient to use. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fixing structure for an elevator car return pulley to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a fixing structure for an elevator car return pulley, including a mounting plate. A return pulley fixing and adjusting mechanism is arranged at the bottom of the mounting plate. A return pulley mechanism is arranged at the top of the return pulley fixing and adjusting mechanism. Fixing bolts are arranged inside the mounting plate.

[0007] The rope return wheel fixing and adjusting mechanism includes a rope return wheel fixing and adjusting component and a rope return wheel fixing component, and the rope return wheel fixing and adjusting component is arranged at the bottom of the rope return wheel fixing component.

[0008] Preferably, the rope return wheel fixing and adjusting component includes a sliding rod, the sliding rod is fixedly connected to the bottom of the mounting plate, a connecting sliding rod is slidably connected inside the sliding rod, a rotating rod is rotatably connected inside the mounting plate, a screw rod is rotatably connected inside the connecting sliding rod, a triangular protrusion is threadedly connected to the outside of the screw rod, a sliding limiting block is slidably connected inside the connecting sliding rod, a bolt one is rotatably connected inside the sliding rod, and a spring is arranged between the outside of the sliding limiting block and the middle position inside the connecting sliding rod. Due to the setting of the sliding rod, it is beneficial to provide an installation basis for other components.

[0009] Preferably, through holes are opened at the corresponding positions of the screw rod and the rotating rod, the rotating rod is slidably connected inside the screw rod, and the top of the rotating rod is set as a nut. Due to the setting of the rotating rod, it is beneficial for the screw rod to rotate inside the connecting sliding rod.

[0010] Preferably, chutes are opened at the corresponding positions of the sliding rod, the connecting sliding rod and the sliding limiting block, and the sliding limiting block penetrates through the connecting sliding rod and is slidably connected inside the sliding rod. Due to the setting of the sliding limiting block, it is beneficial to limit the sliding of the sliding rod.

[0011] Preferably, the rope return wheel fixing component includes a mounting cross plate, the mounting cross plate is slidably connected to the outside of the connecting sliding rod, a mounting vertical plate is slidably connected inside the mounting cross plate, and a bolt two is rotatably connected inside the mounting cross plate. The mounting cross plate is beneficial for mounting the rope return wheel body at the bottom of the rope return wheel fixing mounting plate.

[0012] Preferably, through holes are opened at the corresponding positions of the mounting cross plate and the bolt one, and the bolt one penetrates through the mounting cross plate and is threadedly connected inside the sliding limiting block. Due to the setting of the bolt one, it is beneficial to connect the connecting sliding rod and the mounting cross plate with the bolt one.

[0013] Preferably, the rope return wheel mechanism includes a rope return wheel fixing mounting plate, the rope return wheel fixing mounting plate is fixedly connected to the top of the mounting vertical plate, a rope return wheel body is fixedly connected to the bottom of the rope return wheel fixing mounting plate, and a pulling plate is fixedly connected to one end of the top of the mounting vertical plate far away from the rope return wheel fixing mounting plate. Due to the setting of the pulling plate, it is beneficial to reinforce the device.

[0014] Compared with the prior art, the present utility model provides a rope return wheel fixing structure for an elevator car, and has the following beneficial effects:

[0015] 1. The fixing structure of the return rope pulley for the elevator car is provided with a return rope pulley fixing and adjusting component and a return rope pulley fixing component in the return rope pulley fixing and adjusting mechanism. The return rope pulley fixing and adjusting component is arranged at the bottom of the return rope pulley fixing component. By placing the mounting cross plate outside the connecting sliding rod, sliding the sliding rod outside the connecting sliding rod, and sliding the rotating rod inside the screw rod, when in the appropriate position, driving the triangular protrusion outside the screw rod to slide inside the connecting sliding rod by rotating the rotating rod, so that the triangular protrusion pushes the sliding limit block into the inside of the sliding rod, and at the same time, the other set of sliding limit blocks enters the inside of the mounting cross plate, which is beneficial to restricting the sliding position of the sliding rod, and at the same time, the other set of sliding limit blocks initially fixes the mounting cross plate.

[0016] 2. The fixing structure of the return rope pulley for the elevator car is used through the return rope pulley mechanism and the return rope pulley fixing and adjusting mechanism. By setting the return rope pulley fixing and mounting plate, it is beneficial to facilitate the installation of the return rope pulley body. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0018] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of the return rope pulley fixing and adjusting mechanism of the present invention;

[0020] Figure 3 It is a schematic diagram of the return rope pulley fixing and adjusting component of the return rope pulley fixing and adjusting mechanism of the present invention;

[0021] Figure 4 It is a schematic diagram of the return rope pulley fixing component of the return rope pulley fixing and adjusting mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the external structure of the present invention.

[0023] In the figure: 1, mounting plate; 2, rope return wheel fixing and adjusting mechanism; 21, rope return wheel fixing and adjusting component; 211, sliding rod; 212, rotating rod; 213, connecting sliding rod; 214, screw; 215, triangular protrusion; 216, sliding limit block; 217, spring; 218, bolt 1; 22, rope return wheel fixing component; 221, mounting cross plate; 222, mounting vertical plate; 223, bolt 2; 3, rope return wheel mechanism; 31, rope return wheel fixing and mounting plate; 32, rope return wheel body; 33, pulling plate; 4, fixing bolt. Detailed implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0025] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] Embodiment 1:

[0027] Please refer to Figures 1-5 , the present invention provides a technical solution: a rope return wheel fixing structure for an elevator car, including a mounting plate 1, a rope return wheel fixing and adjusting mechanism 2 is arranged at the bottom of the mounting plate 1, a rope return wheel mechanism 3 is arranged at the top of the rope return wheel fixing and adjusting mechanism 2, and a fixing bolt 4 is arranged inside the mounting plate 1;

[0028] The rope return wheel fixing and adjusting mechanism 2 includes a rope return wheel fixing and adjusting component 21 and a rope return wheel fixing component 22, and the rope return wheel fixing and adjusting component 21 is arranged at the bottom of the rope return wheel fixing component 22.

[0029] Further, the rope return wheel fixing and adjusting assembly 21 includes a sliding rod 211. The sliding rod 211 is fixedly connected to the bottom of the mounting plate 1. A connecting sliding rod 213 is slidably connected inside the sliding rod 211. A rotating rod 212 is rotatably connected inside the mounting plate 1. A screw rod 214 is rotatably connected inside the connecting sliding rod 213. A triangular protrusion 215 is threadedly connected to the outside of the screw rod 214. A sliding limit block 216 is slidably connected inside the connecting sliding rod 213. A first bolt 218 is rotatably connected inside the sliding rod 211. A spring 217 is arranged between the outside of the sliding limit block 216 and the middle position inside the connecting sliding rod 213. Due to the provision of the sliding rod 211, it is beneficial to provide a mounting basis for other components.

[0030] Further, through holes are provided at the corresponding positions of the screw rod 214 and the rotating rod 212. The rotating rod 212 is slidably connected inside the screw rod 214. The top of the rotating rod 212 is provided as a nut. Due to the provision of the rotating rod 212, it is beneficial for the screw rod 214 to rotate inside the connecting sliding rod 213.

[0031] Further, sliding grooves are provided at the corresponding positions of the sliding rod 211, the connecting sliding rod 213 and the sliding limit block 216. The sliding limit block 216 penetrates through the connecting sliding rod 213 and is slidably connected inside the sliding rod 211. Due to the provision of the sliding limit block 216, it is beneficial to limit the sliding of the sliding rod 211.

[0032] Further, the rope return wheel fixing assembly 22 includes a mounting cross plate 221. The mounting cross plate 221 is slidably connected to the outside of the connecting sliding rod 213. A mounting vertical plate 222 is slidably connected inside the mounting cross plate 221. A second bolt 223 is rotatably connected inside the mounting cross plate 221. The mounting cross plate 221 is beneficial for mounting the rope return wheel body 32 at the bottom of the rope return wheel fixing mounting plate 31.

[0033] Further, through holes are provided at the corresponding positions of the mounting cross plate 221 and the first bolt 218. The first bolt 218 penetrates through the mounting cross plate 221 and is threadedly connected inside the sliding limit block 216. Due to the provision of the first bolt 218, it is beneficial for the connecting sliding rod 213 and the mounting cross plate 221 to be connected in cooperation with the first bolt 218.

[0034] Embodiment 2:

[0035] Please refer to Figure 5 , and in combination with Embodiment 1, it is further obtained that the rope return wheel mechanism 3 includes a rope return wheel fixing mounting plate 31. The rope return wheel fixing mounting plate 31 is fixedly connected to the top of the mounting vertical plate 222. A rope return wheel body 32 is fixedly connected to the bottom of the rope return wheel fixing mounting plate 31. A pulling plate 33 is fixedly connected to one end of the top of the mounting vertical plate 222 away from the rope return wheel fixing mounting plate 31. Due to the provision of the pulling plate 33, it is beneficial to reinforce the device.

[0036] During the actual operation process, when this device is in use, first, insert the connecting slide bar 213 inside the slide bar 211 into the inside of the mounting cross plate 221, and then adjust according to the actual situation. By pulling the slide bar 211 to slide outside the connecting slide bar 213, make the rotating rod 212 slide inside the screw rod 214. When the slide bar 211 reaches the appropriate position, by rotating the rotating rod 212, the triangular projection 215 outside the screw rod 214 slides inside the connecting slide bar 213, and the triangular projection 215 reaches the slide limiting block 216 and slides inside the connecting slide bar 213, enters the inside of the slide bar 211 for restriction. At the same time, the other set of slide limiting blocks 216 enters the inside of the mounting cross plate 221. Then, insert the first bolt 218 into the inside of the slide limiting block 216 to fix it. Then, insert the mounting vertical plate 222 into the inside of the mounting cross plate 221 and connect it with the second bolt 223. Then, fix the rope return wheel body 32 and the pull plate 33 at the bottom of the rope return wheel fixing plate 31 on the top of the mounting vertical plate 222.

[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without more limitations, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A fixed structure for a return rope pulley of an elevator car, including a mounting plate (1), characterized in that: A rope return wheel fixing and adjusting mechanism (2) is provided at the bottom of the mounting plate (1), a rope return wheel mechanism (3) is provided at the top of the rope return wheel fixing and adjusting mechanism (2), and fixing bolts (4) are provided inside the mounting plate (1). The rope return wheel fixing and adjusting mechanism (2) includes a rope return wheel fixing and adjusting component (21) and a rope return wheel fixing component (22), and the rope return wheel fixing and adjusting component (21) is provided at the bottom of the rope return wheel fixing component (22).

2. The fixed structure of a rope return pulley for an elevator car according to claim 1, characterized in that: The rope return wheel fixing and adjusting component (21) includes a sliding rod (211), the sliding rod (211) is fixedly connected to the bottom of the mounting plate (1), a connecting sliding rod (213) is slidably connected inside the sliding rod (211), a rotating rod (212) is rotatably connected inside the mounting plate (1), a screw rod (214) is rotatably connected inside the connecting sliding rod (213), a triangular projection (215) is threadedly connected to the outside of the screw rod (214), a sliding limit block (216) is slidably connected inside the connecting sliding rod (213), a bolt one (218) is rotatably connected inside the sliding rod (211), and a spring (217) is provided between the outside of the sliding limit block (216) and the middle position inside the connecting sliding rod (213).

3. The fixing structure of a return rope pulley for an elevator car according to claim 2, characterized in that: Through holes are provided at corresponding positions of the screw rod (214) and the rotating rod (212), the rotating rod (212) is slidably connected inside the screw rod (214), and the top of the rotating rod (212) is a nut.

4. A fixed structure of a compensating sheave for an elevator car according to claim 2, characterized in that: Chute grooves are provided at corresponding positions of the sliding rod (211), the connecting sliding rod (213) and the sliding limit block (216), and the sliding limit block (216) penetrates through the connecting sliding rod (213) and is slidably connected inside the sliding rod (211).

5. The fixing structure of the return rope pulley for an elevator car according to claim 2, wherein: The rope return wheel fixing component (22) includes a mounting cross plate (221), the mounting cross plate (221) is slidably connected to the outside of the connecting sliding rod (213), a mounting vertical plate (222) is slidably connected inside the mounting cross plate (221), and a bolt two (223) is rotatably connected inside the mounting cross plate (221).

6. The fixed structure of a compensating sheave for an elevator car according to claim 5, wherein: Through holes are provided at corresponding positions of the mounting cross plate (221) and the bolt one (218), and the bolt one (218) penetrates through the mounting cross plate (221) and is threadedly connected to the inside of the sliding limit block (216).

7. A fixing structure for a compensating sheave of an elevator car according to claim 5, characterized in that: The rope return wheel mechanism (3) includes a rope return wheel fixing and mounting plate (31), the rope return wheel fixing and mounting plate (31) is fixedly connected to the top of the mounting vertical plate (222), a rope return wheel body (32) is fixedly connected to the bottom of the rope return wheel fixing and mounting plate (31), and a pulling plate (33) is fixedly connected to one end of the top of the mounting vertical plate (222) away from the rope return wheel fixing and mounting plate (31).

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