Anti-impact elevator car frame

Abstract

The utility model discloses an anti-impact elevator car frame which comprises an upper frame plate, a lower frame plate and four vertical main beams, the bottom of the upper frame plate and the top of the lower frame plate are respectively provided with an adjustable telescopic adjusting frame, the four vertical main beams are installed between the two telescopic adjusting frames, a pressed plate is arranged below the lower frame plate, and the pressed plate is arranged below the lower frame plate. Hydraulic dampers are installed on the two sides between the pressed plate and the lower frame plate at equal intervals, anti-impact buffers are installed on the two sides between the pressed plate and the lower frame plate at equal intervals, and an anti-impact buffering air bag is installed at the bottom of the pressed plate. The elevator car frame is provided with the bottom multi-stage buffering structure, the bottom multi-stage buffering structure can conduct anti-impact buffering on the car descending to the bottom layer, and the performance of the elevator car frame can meet the use requirement of an elevator.

Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator technical field, concretely is a kind of elevator car frame of anti-impact. BACKGROUND

[0002] Elevator is a kind of vertical transport equipment, usually by motor, guide rail, steel wire rope and control system etc., its main function is conveniently vertically transported personnel or goods in building interior or large-scale facilities, by motor drive, elevator can run up and down along guide rail, and is equipped with safety device to ensure the safety of passengers;Elevator car frame is an important component in elevator system, usually by steel structure, it is located at the top of elevator shaft, for supporting the guide rail and traction system of elevator, the main role of bridge box frame is to provide a stable support platform, so that the various components of elevator can be safely, smoothly run;The structure of existing elevator car frame is relatively single, its bottom mostly does not set up buffer structure, elevator down reaches bottom layer and appears to sway and makes passenger stand unsteadily, thereby reduce the stability of car running and the comfort of passenger ride, therefore, in view of the above problem, present need improves. SUMMARY

[0003] To achieve the above object, the utility model provides the following technical scheme: a kind of elevator car frame of anti-impact, including upper shelf plate, lower shelf plate, four vertical main beams, the bottom of the upper shelf plate and the top of the lower shelf plate are equipped with adjustable telescopic adjusting frame, four vertical main beams are installed between two telescopic adjusting frames, pressure plate is equipped below lower shelf plate, and the both sides between pressure plate and lower shelf plate are equipped with hydraulic damper at equal distance, and the both sides between pressure plate and lower shelf plate are equipped with anti-impact buffer at equal distance, and the bottom of pressure plate is equipped with anti-impact buffer air bag.

[0004] Preferably, the anti-impact buffer each includes two mounting blocks, two rotating arms and two extrusion arms, the two mounting blocks and the two rotating arms are fixedly installed on the opposite sides of the lower shelf plate and the pressure plate respectively, and the two mounting blocks and the two rotating arms are symmetrically arranged, and the two extrusion arms are rotatably connected between the adjacent mounting blocks and rotating arms.

[0005] Preferably, the two mounting blocks on the lower shelf plate and the pressure plate are in abutment, the end of the mounting block close to the rotating arm is provided with a sliding inner groove, the extrusion block is slidably installed in the sliding inner groove, the spring is connected between one end of the extrusion block and one end of the sliding inner groove, and the other end of the extrusion block is rotatably connected with the extrusion arm, so that the anti-impact and buffering can be effectively realized.

[0006] Preferably, the two telescopic adjusting frames each comprise a pair of U-shaped steel A, two ends of opposite sides of each pair of U-shaped steel A are fixedly provided with U-shaped steel B, interiors of opposite two U-shaped steel B are each provided with U-shaped steel C, and the vertical main beam is fixedly provided at the connection between the U-shaped steel A and the U-shaped steel B.

[0007] Preferably, the U-shaped steel C is fixedly connected with the reinforcing connecting block between the lower frame plate and the upper frame plate, the bottom of the upper frame plate and the top of the lower frame plate are each fixedly provided with four n-shaped blocks, and the four U-shaped steel B on the upper frame plate and the lower frame plate are each located in the interior of the four n-shaped blocks, so that the U-shaped steel C and the U-shaped steel B can be effectively installed and connected.

[0008] Preferably, the middle part of the interior of the U-shaped steel B is fixedly provided with the fixed adjusting block, the middle part of the interior of the U-shaped steel C is provided with the double-output-shaft motor, the two output ends of the double-output-shaft motor are each connected with the threaded shaft, one end of the threaded shaft away from the double-output-shaft motor is extended to the interior of the U-shaped steel B and is threadedly connected with the fixed adjusting block, so that the extension adjustment can be effectively performed and the car of different sizes can be installed.

[0009] Compared with the prior art, the utility model has the advantages that through being provided with the upper frame plate, the lower frame plate, the telescopic adjusting frame, the vertical main beam, the pressure receiving plate, the hydraulic damper, the anti-impact buffer and the anti-impact buffer air bag, the elevator car frame has the bottom multi-stage buffer structure, the bottom multi-stage buffer structure can prevent the car from impacting when descending to the bottom floor, effectively avoids the car shaking and makes the passengers stand unsteadily, improves the stability of the car during operation and the comfort of the passengers, and the bottom multi-stage buffer structure is simple in design, stable and reliable in anti-impact use, and the performance thereof can meet the use requirement of the elevator. BRIEF DESCRIPTION OF DRAWINGS

[0010] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used together with the embodiments of the utility model to explain the utility model and do not constitute the limitation to the utility model.

[0011] In the drawings:

[0012] Figure 1 It is the anti-impact elevator car frame structure schematic view of the utility model;

[0013] Figure 2 It is the anti-impact elevator car frame structure schematic view of the utility model Figure 1 ;

[0014] Figure 3 It is the anti-impact elevator car frame structure schematic view of the utility model Figure 1 ;

[0015] Figure 4 It is the anti-impact elevator car frame structure schematic view of the utility modelFigure 3 a schematic view of a partial rear view structure of the elevator car;

[0016] In the figure: 1, upper shelf plate; 2, lower shelf plate; 3, telescopic adjusting frame; 4, vertical main beam; 5, pressure plate; 6, hydraulic damper; 7, impact protection buffer; 8, impact protection buffer air bag; 9, mounting block; 10, rotating arm; 11, extrusion arm; 12, sliding inner groove; 13, extrusion block; 14, spring; 15, U-shaped steel A; 16, U-shaped steel B; 17, U-shaped steel C; 18, reinforced connecting block; 19, n-shaped block; 20, fixed adjusting block; 21, double-output shaft motor; 22, threaded shaft. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Given that Figures 1 to 4 The utility model discloses a upper shelf plate 1, lower shelf plate 2, four vertical main beam 4, the bottom of upper shelf plate 1 and the top of lower shelf plate 2 are all installed with adjustable telescopic adjusting frame 3, four vertical main beam 4 are installed between two telescopic adjusting frames 3, through the setting of two telescopic adjusting frames 3, can install the car of different width, the lower of lower shelf plate 2 is equipped with pressure plate 5, and the both sides between pressure plate 5 and lower shelf plate 2 are all installed with hydraulic damper 6 at equal distance, and the both sides between pressure plate 5 and lower shelf plate 2 are all installed with impact protection buffer 7 at equal distance, the bottom of pressure plate 5 is installed with impact protection buffer air bag 8, through the setting of hydraulic damper 6, impact protection buffer 7 and impact protection buffer air bag 8, can play the effect of multiple impact protection and buffering.

[0019] Impact protection buffer 7 all includes two mounting blocks 9, two rotating arms 10 and two extrusion arms 11, two mounting blocks 9 and two rotating arms 10 are fixedly installed on the opposite sides of lower shelf plate 2 and pressure plate 5 respectively, and two mounting blocks 9 and two rotating arms 10 are all arranged symmetrically, two extrusion arms 11 are rotatably connected between adjacent mounting blocks 9 and rotating arms 10, the opposite two mounting blocks 9 on lower shelf plate 2 and pressure plate 5 abut, and one end of mounting block 9 close to rotating arm 10 is provided with sliding inner groove 12, extrusion block 13 is slidably installed in sliding inner groove 12, spring 14 is connected between one end of extrusion block 13 and one end of sliding inner groove 12, and one end of extrusion arm 11 is rotatably connected with the other end of extrusion block 13, so that impact protection and buffering can be effectively carried out.

[0020] When the anti-impact buffer air bag 8 is pressed downward, the anti-impact buffer air bag 8 will first deform to buffer, and the anti-impact buffer air bag 8 will drive the pressure plate 5 to press and compress the hydraulic damper 6 to buffer again, and the pressure plate 5 will press and rotate the rotating arm 10, the rotation of the rotating arm 10 will push the pressing arm 11 to move, so that the pressing arm 11 pushes the pressing block 13 to compress the spring 14 to buffer again.

[0021] The elevator car frame has a bottom multi-stage buffer structure, which can buffer the car descending to the bottom floor, effectively avoiding the car shaking and making the passengers standing unstable, and improving the stability of the car running and the comfort of the passengers riding, and the bottom multi-stage buffer structure is simple in design, stable and reliable in anti-impact, and has performance to meet the use requirements of the elevator.

[0022] Each of the two telescopic adjusting frames 3 comprises a pair of U-shaped steel A15, each pair of U-shaped steel A15 is fixedly installed with U-shaped steel B16 at both ends of the opposite side, and U-shaped steel C17 is installed between the interiors of the opposite two U-shaped steel B16, the vertical main beam 4 is fixedly installed at the connection between the U-shaped steel A15 and the U-shaped steel B16, the U-shaped steel C17 is fixedly connected with the lower frame plate 2 and the upper frame plate 1 through the reinforcing connecting block 18, the bottom of the upper frame plate 1 and the top of the lower frame plate 2 are fixedly installed with four n-shaped blocks 19, and the four U-shaped steel B16 on the upper frame plate 1 and the lower frame plate 2 are located in the interiors of the four n-shaped blocks 19, so that the U-shaped steel C17 and the U-shaped steel B16 can be effectively installed and connected.

[0023] The middle part of the U-shaped steel B16 is fixedly installed with a fixed adjusting block 20, and the middle part of the U-shaped steel C17 is installed with a double-output shaft motor 21, the two output ends of the double-output shaft motor 21 are connected with threaded shafts 22, and the ends of the threaded shafts 22 away from the double-output shaft motor 21 extend into the interiors of the U-shaped steel B16 and are respectively screwed with the fixed adjusting block 20, so that the threaded shafts 22 can be effectively expanded and adjusted to install cars of different sizes.

[0024] By starting the four double-output shaft motors 21 on the upper frame plate 1 and the lower frame plate 2, the threaded shafts 22 are rotated, the rotation of the threaded shafts 22 moves the fixed adjusting block 20, the movement of the fixed adjusting block 20 moves the U-shaped steel B16 at the end of the U-shaped steel C17, and the movement of the U-shaped steel B16 drives the U-shaped steel A15 to move, so that each pair of U-shaped steel A15 on the upper frame plate 1 and the lower frame plate 2 moves away to adjust the distance of the installed car.

[0025] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An impact-resistant elevator car frame, comprising an upper frame plate (1), a lower frame plate (2), and four vertical main beams (4), characterized in that: Adjustable telescopic adjustment frames (3) are installed at the bottom of the upper frame plate (1) and the top of the lower frame plate (2). Four vertical main beams (4) are installed between the two telescopic adjustment frames (3). A pressure plate (5) is provided below the lower frame plate (2). Hydraulic dampers (6) are installed at equal distances on both sides between the pressure plate (5) and the lower frame plate (2). Shock absorbers (7) are installed at equal distances on both sides between the pressure plate (5) and the lower frame plate (2). Shock absorber airbags (8) are installed at the bottom of the pressure plate (5).

2. The impact-resistant elevator car frame according to claim 1, characterized in that: The shock absorber (7) includes two mounting blocks (9), two rotating arms (10) and two squeezing arms (11). The two mounting blocks (9) and two rotating arms (10) are fixedly installed on opposite sides of the lower frame plate (2) and the pressure plate (5), and the two mounting blocks (9) and two rotating arms (10) are arranged symmetrically. The two squeezing arms (11) are rotatably connected between adjacent mounting blocks (9) and rotating arms (10).

3. The impact-resistant elevator car frame according to claim 2, characterized in that: The two mounting blocks (9) on the lower plate (2) and the pressure plate (5) are in contact with each other. The mounting blocks (9) are provided with sliding inner grooves (12) at the end near the rotating arm (10). The inner grooves (12) are slidably installed with extrusion blocks (13). A spring (14) is connected between one end of the extrusion block (13) and one end of the sliding inner groove (12). One end of the extrusion arm (11) is rotatably connected to the other end of the extrusion block (13).

4. The impact-resistant elevator car frame according to claim 1, characterized in that: Both of the telescopic adjustment frames (3) include a pair of U-shaped steel A (15), and U-shaped steel B (16) is fixedly installed at both ends of the opposite side of each pair of U-shaped steel A (15). U-shaped steel C (17) is installed between the interiors of the two opposite U-shaped steel B (16). The vertical main beam (4) is fixedly installed at the connection between U-shaped steel A (15) and U-shaped steel B (16).

5. The impact-resistant elevator car frame according to claim 4, characterized in that: The U-shaped steel C (17) is fixedly connected to the lower frame plate (2) and the upper frame plate (1) by a reinforcing connecting block (18). Four n-shaped blocks (19) are fixedly installed at the bottom of the upper frame plate (1) and the top of the lower frame plate (2). The four U-shaped steels B (16) on the upper frame plate (1) and the lower frame plate (2) are located inside the four n-shaped blocks (19).

6. The impact-resistant elevator car frame according to claim 5, characterized in that: Each U-shaped steel B (16) has a fixed adjusting block (20) fixedly installed in the middle.

7. The impact-resistant elevator car frame according to claim 6, characterized in that: A dual-output shaft motor (21) is installed in the middle of the U-shaped steel C (17). Both output ends of the dual-output shaft motor (21) are connected to threaded shafts (22). The end of the threaded shaft (22) away from the dual-output shaft motor (21) extends into the interior of the U-shaped steel B (16) and is threadedly connected to the fixed adjustment block (20).

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