Elevator counterweight housing facilitating installation of counterweight filler

Abstract

The utility model relates to the technical field of elevator counterweight housings, in particular to an elevator counterweight housing convenient to install counterweight blocks, which comprises two groups of counterweight housings, connecting supports used for adjusting the counterweight housings are arranged on the counterweight housings, and adjusting mechanisms are arranged at the joints of the connecting supports and the counterweight housings. The left end and the right end of the connecting support are installed on a guide rail in an elevator shaft, and a counterweight block is detachably connected to the interior of the counterweight frame. The adjusting mechanism comprises an adjusting sliding block installed on the connecting support in a sliding mode, an adjusting sliding groove is formed in the connecting position of the adjusting sliding block and the connecting support, the adjusting sliding block is fixed to the counterweight frame, the counterweight frame is composed of two sets of frames of a U-shaped structure, and limiting grooves are formed in the inner sides of the frames. The counterweight blocks are located in the limiting grooves, and limiting screws are installed at the connecting positions of one group of counterweight blocks and the counterweight frame. According to the utility model, the number of the counterweight blocks can be directly adjusted by adjusting the counterweight housing under the condition that the counterweight housing is not disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator counterweight frame technical field especially is elevator counterweight frame of convenient installation counterweight block. BACKGROUND

[0002] Elevator counterweight frame is the part of elevator counterweight device, and the counterweight iron block jointly constitutes the counterweight device. The counterweight device is located in the elevator shaft, and is connected with the car through the traction rope and the traction wheel. Its main function is to balance the weight of the car and part of the load weight, thereby reducing the power of the traction motor and the torque on the traction wheel and worm gear. When the elevator runs, the counterweight device (including the counterweight frame and the counterweight iron block) slides on the counterweight guide rail through the counterweight guide shoe, plays the role of balancing the weight of the car, and ensures the stable operation of the elevator.

[0003] The existing counterweight frame has many structures during installation, which is not convenient to install.

[0004] The existing public technical solution, the announcement number CN221587778U discloses a kind of split type counterweight frame structure of convenient installation, including frame, the lower portion of the frame is provided with I-beam, the both ends of the frame are provided with fixed plate, the upper end of the fixed plate is provided with upper guide shoe, the lower end of fixed plate is provided with lower guide shoe, the upper portion of the upper guide shoe is provided with oil cup, the inside of the frame is provided with counterweight block, the upper portion of the counterweight block is provided with positioning plate, the upper portion of the positioning plate is provided with traction wheel and shaft. By optimizing the structure design of counterweight frame, fixed plate is arranged on the both sides of frame, fixed plate and frame are connected by screw, after the required number of counterweight blocks is stacked in the frame, positioning plate is installed on the uppermost layer of counterweight block, so as to limit the position of counterweight block, and the installation of counterweight frame can be simplified.

[0005] The above technical solution in actual implementation, the whole counterweight frame structure is constituted by frame and fixed plate, after installing and fixing counterweight frame structure, frame and fixed plate need to be disassembled to adjust the number of counterweight blocks, once the number of counterweight blocks is insufficient or excessive during installation, counterweight frame structure needs to be disassembled to take out counterweight block, and it is troublesome to adjust. SUMMARY

[0006] The utility model aims at providing a kind of elevator counterweight frame of convenient installation counterweight block, the number of counterweight blocks can be adjusted directly without disassembling counterweight frame by adjusting counterweight frame, to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of elevator counterweight frame of counterweight block for facilitating installation, including two groups of counterweight frame, the connecting support for adjusting counterweight frame is provided on the counterweight frame, and adjusting mechanism is provided at the connecting place of connecting support and counterweight frame, the left and right ends of connecting support are installed on guide rail in elevator shaft, and counterweight block is detachably connected inside the counterweight frame;

[0008] The adjusting mechanism includes an adjusting block slidably mounted on the connecting support, and the connecting place of the adjusting block and the connecting support is provided with an adjusting slot, and the adjusting block is fixed on the counterweight frame.

[0009] Preferably, the counterweight frame is composed of two groups of "Fang" type frames, and a limiting groove is formed in the inner side of the frame.

[0010] Preferably, the counterweight block is located inside the limiting groove, and a limiting screw is installed at the connecting place of one of the counterweight blocks and the counterweight frame, and the limiting screw is screwed through the counterweight frame and the counterweight block.

[0011] Preferably, a traction sheel is provided on the top of the counterweight frame, and a traction wheel is installed inside the traction sheel.

[0012] Preferably, a guide block is provided between the traction sheel and the top of the counterweight frame, and a guide slot is formed at the connecting place of the guide block and the traction sheel.

[0013] Preferably, the adjusting mechanism further includes a knob installed inside the connecting support, an internal hexagonal slot is formed in the knob, a transmission worm is fixedly connected to the end of the knob, and a transmission worm wheel is engagedly connected to the top of the transmission worm.

[0014] Preferably, a bidirectional screw rod is fixedly connected to the middle of the transmission worm wheel, and the bidirectional screw rod is installed inside one of the adjusting blocks through a screw rod sleeve.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The counterweight frame is composed of two groups of "Fang" type frames, and when the number of counterweight blocks on the counterweight frame needs to be adjusted, the distance between the two groups of "Fang" type frames can be adjusted, the counterweight blocks installed inside the limiting groove can be removed, the number of counterweight blocks can be adjusted conveniently, and the counterweight frame does not need to be disassembled.

[0017] 2. The adjusting mechanism is provided, the knob moves in the opposite direction through the transmission worm, the transmission worm wheel and the bidirectional screw rod under the action of the screw rod sleeve, and the distance between the two groups of counterweight frame can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is the overall structural view of the utility model;

[0020] Figure 2 This is a structural diagram of the counterweight frame of the present utility model;

[0021] Figure 3 For the utility model Figure 2 A magnified view of middle A;

[0022] Figure 4 It is a structural schematic diagram of the adjustment mechanism of the utility model.

[0023] Description of reference numerals:

[0024] 1. Counterweight frame; 2. Connecting bracket; 3. Adjustment mechanism; 301. Adjustment slider; 302. Knob; 303. Transmission worm; 304. Transmission worm wheel; 305. Bidirectional screw; 4. Counterweight block; 5. Limit screw; 6. Guide slider; 7. Traction sheave housing; 8. Limit groove; 9. Guide slide groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The utility model provides a technical solution:

[0027] See also Figures 1 to 4 An elevator counterweight frame for convenient installation of a counterweight block includes two sets of counterweight frames 1. The counterweight frames 1 are provided with connecting brackets 2 for adjusting the counterweight frames 1, and an adjustment mechanism 3 is provided at the connection between the connecting brackets 2 and the counterweight frames 1. The left and right ends of the connecting brackets 2 are installed on guide rails in the elevator shaft. A counterweight block 4 is detachably connected to the interior of the counterweight frame 1.

[0028] The adjusting mechanism 3 comprises an adjusting sliding block 301 slidingly mounted on the connecting bracket 2, and the connecting part of the adjusting sliding block 301 and the connecting bracket 2 is provided with an adjusting sliding groove, and the adjusting sliding block 301 is fixed on the counterweight frame 1;

[0029] The counterweight frame 1 is composed of two groups of frames in the shape of Chinese character “Fang”, and the inside of the frame is provided with a limiting groove 8, and the counterweight blocks 4 are located inside the limiting groove 8, and one group of the counterweight blocks 4 is provided with a limiting screw 5 at the connecting part of the counterweight frame 1, and the limiting screw 5 is screwed through the counterweight frame 1 and the counterweight block 4.

[0030] By adopting the above technical scheme, the counterweight frame 1 is composed of two groups of frames in the shape of Chinese character “Fang”, when the number of the counterweight blocks 4 on the counterweight frame 1 needs to be adjusted, only the distance between the two groups of frames in the shape of Chinese character “Fang” needs to be adjusted, the counterweight block 4 installed inside the limiting groove 8 can be taken out, the counterweight block 4 located at the top is fixed on the counterweight frame 1 through the limiting screw 5, and the number of the counterweight blocks 4 can be conveniently adjusted without disassembling the counterweight frame 1.

[0031] Specifically, as shown in Figure 4 The left and right ends of the connecting bracket 2 are mounted on the guide rails in the elevator shaft, the counterweight frame 1 slides on the guide rails through the connecting bracket 2, the top of the counterweight frame 1 is provided with a traction sheel 7, the inside of the traction sheel 7 is mounted with a traction wheel, a guide sliding block 6 is arranged between the traction sheel 7 and the top of the counterweight frame 1, and a guide sliding groove 9 is arranged at the connecting part of the guide sliding block 6 and the traction sheel 7;

[0032] The adjusting mechanism 3 further comprises a knob 302 mounted in the inside of the connecting bracket 2, an internal hexagonal groove is arranged in the inside of the knob 302, the end of the knob 302 is fixedly connected with a transmission worm 303, the top of the transmission worm 303 is engagedly connected with a transmission worm wheel 304, the middle part of the transmission worm wheel 304 is fixedly connected with a bidirectional screw rod 305, and the bidirectional screw rod 305 is mounted in the inside of one group of the adjusting sliding block 301 through a screw rod sleeve.

[0033] By adopting the above technical scheme, one side of the bottom of the traction sheel 7 is fixedly welded on one group of the counterweight frame 1, and the other side of the bottom is slidingly connected with the other group of the counterweight frame 1 through the guide sliding groove 9 and the guide sliding block 6, when the distance between the counterweight frames 1 is adjusted, the guide sliding groove 9 on one side of the traction sheel 7 slides on the guide sliding block 6, and the other side of the traction sheel 7 is fixed on the other group of the counterweight frame 1;

[0034] After using the tool to connect the knob 302, the knob 302 can be rotated. When the knob 302 is rotated, the knob 302 can simultaneously drive the transmission worm 303 to rotate. When the transmission worm 303 rotates, it drives the transmission worm wheel 304 to rotate. Under the action of the transmission worm wheel 304, the bidirectional screw rod 305 can be driven to rotate. Under the action of the screw rod sleeve, the adjustment slider 301 on the bidirectional screw rod 305 is moved in the opposite direction, and the distance between the two sets of counterweight frame 1 frames can be adjusted.

[0035] Working principle: After using the tool to connect the knob 302, you can rotate the knob 302. When the knob 302 is rotated, the knob 302 can drive the transmission worm 303 to rotate at the same time. When the transmission worm 303 rotates, it drives the transmission worm gear 304 to rotate. Under the action of the transmission worm gear 304, the bidirectional screw rod 305 can be driven to rotate. Under the action of the screw rod sleeve, the adjusting slider 301 on the bidirectional screw rod 305 moves in the opposite direction, which can adjust the distance between the two groups of counterweight frames 1. The guide slot 9 on one side of the traction sheave housing 7 slides on the guide slider 6, and the other side of the traction sheave housing 7 is fixed to the other group of counterweight frame 1 frame. The counterweight block 4 installed in the limit slot 8 is taken out, and the counterweight block 4 at the top is fixed to the counterweight frame 1 by the limit screw 5, which can facilitate the adjustment of the number of counterweight blocks 4 without disassembling the counterweight frame 1.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An elevator counterweight frame for convenient installation of counterweight blocks, comprising two sets of counterweight frames (1), characterized in that: The counterweight frame (1) is provided with a connecting bracket (2) for adjusting the counterweight frame (1), and an adjusting mechanism (3) is provided at the connection between the connecting bracket (2) and the counterweight frame (1). The left and right ends of the connecting bracket (2) are installed on the guide rails in the elevator shaft, and a counterweight block (4) is detachably connected inside the counterweight frame (1). The adjusting mechanism (3) includes an adjusting slider (301) slidably installed on the connecting bracket (2). An adjusting chute is provided at the connection between the adjusting slider (301) and the connecting bracket (2), and the adjusting slider (301) is fixed to the counterweight frame (1).

2. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 1, characterized in that: The counterweight frame (1) is composed of two "C"-shaped frames, and a limiting groove (8) is provided inside the frames.

3. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 2, characterized in that: The counterweight block (4) is located inside the limiting groove (8), and a limiting screw (5) is installed at the connection between one group of counterweight blocks (4) and the counterweight frame (1). The limiting screw (5) passes through the counterweight frame (1) and is threadedly connected to the counterweight block (4).

4. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 1, characterized in that: A traction wheel housing (7) is provided at the top of the counterweight frame (1), and a traction wheel is installed inside the traction wheel housing (7).

5. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 4, characterized in that: A guide slider (6) is provided between the traction wheel housing (7) and the top of the counterweight frame (1), and a guide chute (9) is provided at the connection between the guide slider (6) and the traction wheel housing (7).

6. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 5, characterized in that: The adjusting mechanism (3) further includes a knob (302) installed inside the connecting bracket (2). An internal hexagonal slot is provided inside the knob (302). The end of the knob (302) is fixedly connected to a driving worm (303), and a driving worm gear (304) is meshed with the top of the driving worm (303).

7. The elevator counterweight frame for convenient installation of counterweight blocks according to claim 6, characterized in that: The middle of the driving worm gear (304) is fixedly connected to a bidirectional screw rod (305), and the bidirectional screw rod (305) is installed inside one group of adjusting sliders (301) through a screw rod sleeve.

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