Stable elevator car frame

Abstract

The utility model belongs to the technical field of elevator equipment, and particularly relates to a stable elevator car frame which comprises a vertical frame, a bottom bracket, an upper bracket and a counterweight underframe, the bottom bracket is fixedly connected to the bottom of the front end of the vertical frame, and first inclined struts are fixedly connected to the left side and the right side of the bottom end of the bottom bracket; an upper bracket is fixedly connected to the upper portion of the front end of the vertical frame, second inclined struts are fixedly connected to the left side and the right side of the upper end of the upper bracket, and a mounting plate is fixedly connected to the upper ends of the second inclined struts; the bottom of the rear end of the vertical frame is fixedly connected with a balance weight bottom frame, and the left side and the right side of the upper end of the balance weight bottom frame are fixedly connected with third inclined struts. A bottom plate is arranged at the bottom of the rear end of the vertical frame, balance weight plates are fixedly connected to the left side and the right side of the upper end of the bottom plate, and a plurality of balance weight plates are arranged on the bottom plate. The elevator car frame is stable in structure, an air conditioner can be conveniently installed and used, meanwhile, left and right balance weights of the elevator car frame provided with the air conditioner can be conveniently balanced, and the elevator car frame is simple, convenient to use and good in use.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevator equipment, and in particular relates to a stable elevator car frame. Background Art

[0002] As people's living standards improve, more and more people move into high-rise buildings, and in order to facilitate going up and down stairs and carrying heavy objects between floors, they will choose to install elevators in the floors. The elevator consists of structures such as a car frame and an elevator frame, and the car frame is the load-bearing structure of the car. The car load including its own weight and load can be transferred to the traction wire rope by it. Therefore, the car frame must have sufficient strength. The existing car frame is generally composed of columns, upper beams, and car bottoms.

[0003] Among the existing disclosed technologies, the Chinese utility model patent with announcement number CN220787749∪ proposes an elevator car frame, including a car frame and a balancing component, in order to solve the problem that when the car frame of most existing elevators is installed, it is necessary to fix air conditioners and other equipment on the top, which will affect the overall balance of the car frame, especially the L-shaped structure elevator itself has poor balance, and the installation of air conditioners and other equipment will affect the operation of the elevator and the service life of the elevator. The balance component is arranged at the top of the car frame. The balance component is arranged at the bottom of the car frame. The balance component includes a plurality of counterweights, and the counterweights are arranged at the bottom of the car frame. By setting the balance component and adjusting the number and position of the counterweights on the balance component, the car frame is balanced in force, so that the car frame is not easy to tilt, and can be more stable as the wire rope moves up and down.

[0004] However, the elevator car structure described above still has the following deficiencies when in use: first, an air-conditioning frame is arranged on one side of the top to install the air conditioner, and the air-conditioning frame is simply composed of a number of frames, the structural design is not reasonable, the load-bearing capacity is not strong, the stability is poor, and the stable installation and use of the air conditioner are inconvenient; secondly, a counterweight structure that can be moved forward, backward, left and right is arranged at the bottom, but the counterweight blocks are suspended and installed on both sides of the suspension rod by hanging, and the hanging installation method is not firm enough, and it is easy to fall off during the lifting of the car frame, which poses certain safety hazards and is not good to use. Therefore, further design is needed. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a stable elevator car frame, which has a stable structure to facilitate the installation and use of an air conditioner, and at the same time to balance the left and right counterweights of the elevator car frame installed with the air conditioner, which is simple, convenient and better to use.

[0006] To achieve the above object, the utility model provides the following technical solutions: a stable elevator car frame, comprising a vertical frame, a bottom bracket, an upper bracket and a counterweight bottom frame, the bottom of the front end of the vertical frame is fixedly connected to the bottom bracket, the left and right sides of the bottom end of the bottom bracket are fixedly connected to a diagonal brace one, and the rear end of the diagonal brace one is fixedly connected to the vertical frame;

[0007] The upper front end of the stand is fixedly connected to an upper bracket, the upper left and right sides of the upper end of the upper bracket are fixedly connected to a second diagonal brace, and the rear end of the second diagonal brace is fixedly connected to the stand, and the upper end of the second diagonal brace is fixedly connected to a mounting plate;

[0008] The rear end bottom of the vertical frame is fixedly connected to a counterweight base frame, the upper left and right sides of the counterweight base frame are fixedly connected to a diagonal brace three, and the front end of the diagonal brace three is fixedly connected to the vertical frame;

[0009] A bottom plate is provided at the bottom of the rear end of the stand, and counterweight plates are fixedly connected to the left and right sides of the upper end of the bottom plate. A plurality of counterweight plates are provided on the bottom plate, and the counterweight plates are sleeved and connected with the limiting studs. The upper ends of the limiting studs are screwed and connected with locking nuts, and the locking nuts are located at the upper ends of the counterweight plates;

[0010] The bottom end of the bottom plate is fixedly connected with bottom blocks all around, the outer side of the bottom block is fixedly connected with a guide shaft, the bottom end of the stand and the rear end of the counterweight bottom frame are both provided with guide slots, and the guide shaft is slidably connected with the guide slots;

[0011] The bottom end of the base plate is fixedly connected to an internal threaded hole block, the bottom end of the base plate is provided with a screw, and the screw is screwed together with the internal threaded hole block, the left bottom end of the counterweight base frame is fixedly connected to a support hole block 1, the left end of the screw is rotatably connected to the support hole block 1, and the left end of the screw is fixedly connected to a hand wheel, the right bottom end of the counterweight base frame is fixedly connected to a support hole block 2, the interior of the support hole block 2 is fixedly connected to a bearing, and the right end of the screw is fixedly connected to the interior of the bearing.

[0012] As a preferred technical solution for a stable elevator car frame of the utility model, the vertical frame is a rectangular structure, and the upper and lower ends of the inner side of the vertical frame are fixedly connected with cross braces.

[0013] As a preferred technical solution for a stable elevator car frame of the utility model, two vertical supports are fixedly connected between the two horizontal supports, and the two vertical supports are symmetrically distributed on the left and right.

[0014] As a preferred technical solution for a stable elevator car frame of the utility model, the bottom bracket is a rectangular structure and is perpendicular to the vertical frame.

[0015] As a preferred technical solution for a stable elevator car frame of the utility model, the upper bracket is a rectangular structure and is perpendicular to the vertical frame.

[0016] As a preferred technical solution for a stable elevator car frame of the utility model, the counterweight base frame is a "U"-shaped structure and is perpendicular to the vertical frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model has a frame plate structure for installing an air conditioner, which is composed of an upper bracket, two diagonal braces and a mounting plate, on the upper part of the vertical frame. The structural design is relatively reasonable, the load-bearing capacity is stronger, and the stability is higher, which is convenient for the installation and use of the air conditioner.

[0019] The utility model is provided with a left-right movable counterweight structure mainly composed of a counterweight base frame, a bottom plate, a counterweight plate, an internal threaded hole block, a screw and a hand wheel at the rear of the bottom of the vertical frame, which can balance the counterweight of the elevator car frame. The counterweight structure is arranged at the rear of the bottom of the vertical frame, which has a better counterweight effect on the rear of the vertical frame, and the counterweight structure can be moved left-right and can be selected and adjusted according to the installation position of the air conditioner so that the bottom plate and the counterweight plate are located on the opposite side of the air conditioner installation, so as to balance the left and right counterweights of the elevator car frame installed with the air conditioner; the installation of the counterweight plate of the counterweight structure relative to the bottom plate is more stable and reliable, and the counterweight plate is not easy to fall off during the lifting and lowering process of the elevator car frame, and the counterweight plate can be increased or decreased relative to the bottom plate, which is simple and convenient and has better use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the connection structure of the vertical frame, horizontal brace and vertical brace of the utility model;

[0023] Figure 3 It is a schematic diagram of a connection structure of a bottom bracket and a diagonal brace of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the upper bracket, the second diagonal support and the mounting plate of the utility model;

[0025] Figure 5 It is a schematic diagram of the connection structure of the stand, counterweight base frame, bottom plate and counterweight plate of the utility model;

[0026] Figure 6 for Figure 5Schematic diagram of the structure viewed from above;

[0027] Figure 7 It is a schematic diagram of the connection structure of the base plate and the counterweight plate of the utility model.

[0028] In the figure: 1. vertical frame; 2. horizontal support; 3. vertical support; 4. bottom bracket; 5. diagonal support one; 6. upper bracket; 7. diagonal support two; 8. mounting plate; 9. counterweight bottom frame; 10. diagonal support three; 11. bottom plate; 12. limit stud; 13. counterweight plate; 14. locking nut; 15. bottom block; 16. guide shaft; 17. guide slide; 18. internal threaded hole block; 19. screw; 20. support hole block one; 21. handwheel; 22. support hole block two; 23. bearing. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0030] See also Figure 1-7 The utility model provides the following technical solutions: a stable elevator car frame, including a vertical frame 1, a bottom bracket 4, an upper bracket 6 and a counterweight bottom frame 9, the vertical frame 1 is a rectangular structure, and the upper and lower ends of the inner side of the vertical frame 1 are fixedly connected with horizontal braces 2, and two vertical braces 3 are fixedly connected between the two horizontal braces 2, and the two vertical braces 3 are symmetrically distributed on the left and right, wherein, by further setting the horizontal braces 2 and the vertical braces 3, the structural strength of the vertical frame 1 itself can be further enhanced.

[0031] A bottom bracket 4 is fixedly connected to the bottom of the front end of the frame 1. The bottom bracket 4 is a rectangular structure and is perpendicular to the frame 1. The left and right sides of the bottom end of the bottom bracket 4 are fixedly connected to a diagonal brace 5, and the rear end of the diagonal brace 5 is fixedly connected to the frame 1, wherein the bottom bracket 4 is used for further setting of the elevator car on the elevator car frame, and the diagonal brace 5 is used to strengthen the connection structure between the bottom of the bottom bracket 4 and the frame 1.

[0032] Reference Figure 1 and Figure 4 As shown, further, an upper bracket 6 is fixedly connected to the upper front end of the stand 1, the upper bracket 6 is a rectangular structure and is perpendicular to the stand 1, and diagonal braces 7 are fixedly connected to the left and right sides of the upper end of the upper bracket 6, and the rear end of the diagonal brace 7 is fixedly connected to the stand 1, and the upper end of the diagonal brace 7 is fixedly connected to a mounting plate 8.

[0033] In this embodiment, the utility model is provided with a frame plate structure for air conditioner installation composed of an upper bracket 6, a diagonal support 7 and a mounting plate 8 on the upper part of the stand 1. The structural design is relatively reasonable, with stronger load-bearing capacity and higher stability, which facilitates the installation and use of the air conditioner.

[0034] Reference Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, further, the rear end bottom of the vertical frame 1 is fixedly connected with a counterweight base frame 9, the counterweight base frame 9 is a "U"-shaped structure and is perpendicular to the vertical frame 1, and the left and right sides of the upper end of the counterweight base frame 9 are fixedly connected with diagonal braces 3 10, and the front end of the diagonal braces 3 10 is fixedly connected to the vertical frame 1, wherein the counterweight base frame 9 is used for further setting of the counterweight structure, and the diagonal braces 3 10 are used to strengthen the connection structure between the counterweight base frame 9 and the vertical frame 1;

[0035] A bottom plate 11 is provided at the bottom of the rear end of the stand 1, and a counterweight plate 13 is fixedly connected to the left and right sides of the upper end of the bottom plate 11. A plurality of counterweight plates 13 are provided on the bottom plate 11, and the counterweight plates 13 are sleeved and connected with the limiting studs 12. The upper ends of the limiting studs 12 are screwed and connected with locking nuts 14, and the locking nuts 14 are located at the upper ends of the counterweight plates 13. The bottom plate 11 is used for further setting of the counterweight plates 13. The counterweight plates 13 are provided with through holes matching the limiting studs 12 at two locations, and the through holes are not specifically shown in the figure. The counterweight plates 13 can be sleeved and connected with the limiting studs 12 through the through holes, and further locked and limited by the locking nuts 14.

[0036] The bottom end of the bottom plate 11 is fixedly connected with a bottom block 15 all around, and the outer side of the bottom block 15 is fixedly connected with a guide shaft 16. The bottom end of the stand 1 and the rear end of the counterweight bottom frame 9 are provided with a guide slot 17, and the guide shaft 16 is slidably connected with the guide slot 17, wherein the guide shaft 16 and the guide slot 17 are arranged in coordination so as to ensure smooth movement of the bottom plate 11 and the counterweight plate 13;

[0037] The bottom end of the bottom plate 11 is fixedly connected with an internal threaded hole block 18, and a screw 19 is provided at the bottom end of the bottom plate 11, and the screw 19 is screwed and connected with the internal threaded hole block 18, the left bottom end of the counterweight base frame 9 is fixedly connected with a support hole block 1 20, the left end of the screw 19 is rotatably connected with the support hole block 1 20, and the left end of the screw 19 is fixedly connected with a hand wheel 21, and the right bottom end of the counterweight base frame 9 is fixedly connected with a support hole block 22, the inside of the support hole block 22 is fixedly connected with a bearing 23, and the right end of the screw 19 is fixedly connected with the inside of the bearing 23, wherein, when in use, the screw 19 can be driven by the hand wheel 21 The screw 19 is rotated forward and backward. During this process, the left end of the screw 19 is rotationally supported by the support hole block 1 20, and the right end of the screw 19 is rotationally supported by the bearing 23 in the support hole block 22. The outer ring of the bearing 23 is fixedly connected to the inner wall of the support hole block 22, and the inner ring of the bearing 23 is fixedly connected to the outer wall of the right end of the screw 19, and a number of balls are arranged between the outer ring and the inner ring, which are not specifically shown in the figure. By rotating the screw 19 forward and backward at a fixed position, the bottom plate 11 with the internal threaded hole block 18 at the bottom can be driven to move left and right, so as to move the bottom plate 11 and the counterweight plate 13 left and right to a suitable position for counterweight balance.

[0038] In this embodiment, the utility model is provided with a counterweight structure which can be moved left and right and is mainly composed of a counterweight base frame 9, a bottom plate 11, a counterweight plate 13, an internal threaded hole block 18, a screw 19, and a hand wheel 21 at the rear of the bottom of the vertical frame 1, which can balance the weight of the elevator car frame. The counterweight structure is arranged at the rear of the bottom of the vertical frame 1, which has a better counterweight effect on the rear of the vertical frame 1, and the counterweight structure can be moved left and right, and can be selected and adjusted according to the installation position of the air conditioner, so that the bottom plate 11 and the counterweight plate 13 are located on the opposite side of the air conditioner installation, so as to balance the left and right counterweights of the elevator car frame installed with the air conditioner; the installation of the counterweight plate 13 of the counterweight structure relative to the bottom plate 11 is relatively stable and reliable. During the lifting and lowering of the elevator car frame, the counterweight plate 13 is not easy to fall off, and the counterweight plate 13 can be increased or decreased relative to the bottom plate 11, which is simple and convenient and has better use.

[0039] The use process and working principle of the utility model are as follows: the elevator car part can be fixedly installed on the bottom bracket 4, and fixedly connected with the vertical frame 1 and the upper bracket 6, and then the air conditioner can be fixedly installed on the mounting plate 8, and then the number of counterweight plates 13 installed on the bottom plate 11 can be selected according to the weight of the front structure of the vertical frame 1, and the locking nut 14 can be screwed down on the limit stud 12 to lock and limit the number of counterweight plates 13 installed on the counterweight plate 13, and then the position of the bottom plate 11 and the counterweight plate 13 can be further adjusted according to the installation position of the air conditioner on the mounting plate 8, and the screw 19 can be driven to move forward and backward through the hand wheel 21 Rotation, during this process, the left end of the screw 19 can be rotatably supported by the support hole block 1 20, and the right end of the screw 19 can be rotatably supported by the bearing 23 in the support hole block 22. The screw 19 rotating forwards and backwards at a fixed position can drive the bottom plate 11 with the internal threaded hole block 18 at the bottom to move left and right, and the guide shaft 16 slides left and right relative to the guide groove 17 for guiding support, so that the bottom plate 11 and the counterweight plate 13 are moved to a suitable position on the opposite side of the air conditioner, so as to balance the counterweight of the elevator car frame installed with the air conditioner, and finally make subsequent connections to the elevator car frame.

[0040] In addition, the contents not described in detail in this embodiment are all within the scope of prior art and common knowledge.

[0041] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stable elevator car frame, characterized in that: It comprises a vertical frame (1), a bottom bracket (4), an upper bracket (6) and a counterweight bottom frame (9), wherein the bottom of the front end of the vertical frame (1) is fixedly connected to the bottom bracket (4), the left and right sides of the bottom end of the bottom bracket (4) are fixedly connected to a diagonal brace (5), and the rear end of the diagonal brace (5) is fixedly connected to the vertical frame (1); The upper front end of the vertical frame (1) is fixedly connected to an upper bracket (6), the upper left and right sides of the upper end of the upper bracket (6) are fixedly connected to a second diagonal brace (7), and the rear end of the second diagonal brace (7) is fixedly connected to the vertical frame (1), and the upper end of the second diagonal brace (7) is fixedly connected to a mounting plate (8); The rear end bottom of the vertical frame (1) is fixedly connected to a counterweight base frame (9), the upper end left and right sides of the counterweight base frame (9) are fixedly connected to three diagonal braces (10), and the front end of the three diagonal braces (10) is fixedly connected to the vertical frame (1); A bottom plate (11) is provided at the bottom of the rear end of the stand (1), and counterweight plates (13) are fixedly connected to the left and right sides of the upper end of the bottom plate (11), and a plurality of counterweight plates (13) are provided on the bottom plate (11), and the counterweight plates (13) are sleeved and connected with the limiting studs (12), and the upper ends of the limiting studs (12) are screwed and connected with locking nuts (14), and the locking nuts (14) are located at the upper ends of the counterweight plates (13); The bottom end of the bottom plate (11) is fixedly connected to a bottom block (15) on all sides, the outer side of the bottom block (15) is fixedly connected to a guide shaft (16), the bottom end of the stand (1) and the rear end of the counterweight base frame (9) are both provided with a guide slot (17), and the guide shaft (16) is slidably connected to the guide slot (17); The bottom end of the base plate (11) is fixedly connected to an internal threaded hole block (18), the bottom end of the base plate (11) is provided with a screw rod (19), and the screw rod (19) is screwed and connected to the internal threaded hole block (18); the left bottom end of the counterweight base frame (9) is fixedly connected to a support hole block 1 (20), the left end of the screw rod (19) is rotatably connected to the support hole block 1 (20), and the left end of the screw rod (19) is fixedly connected to a hand wheel (21); the right bottom end of the counterweight base frame (9) is fixedly connected to a support hole block 2 (22), the interior of the support hole block 2 (22) is fixedly connected to a bearing (23), and the right end of the screw rod (19) is fixedly connected to the interior of the bearing (23).

2. A stable elevator car frame according to claim 1, characterized in that: The stand (1) is a rectangular structure, and the upper and lower ends of the inner side of the stand (1) are fixedly connected with cross braces (2).

3. A stable elevator car frame according to claim 2, characterized in that: Two vertical supports (3) are fixedly connected between the two horizontal supports (2), and the two vertical supports (3) are symmetrically distributed on the left and right.

4. A stable elevator car frame according to claim 1, characterized in that: The bottom bracket (4) is a rectangular structure and is perpendicular to the vertical bracket (1).

5. A stable elevator car frame according to claim 1, characterized in that: The upper bracket (6) is a rectangular structure and is perpendicular to the vertical frame (1).

6. A stable elevator car frame according to claim 1, characterized in that: The counterweight base frame (9) is a "U"-shaped structure and is perpendicular to the vertical frame (1).

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