Elevator counterweight filler mounting structure
By designing the counterweight frame and stop block, the problem of guide shoe position offset was solved, the stability of the gap between the guide shoe and the guide rail was achieved, the stable operation of the elevator counterweight was ensured, and the operation stability and safety of the elevator were improved.
Patent Information
- Application Number
- CN202423147966.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In the existing technology, when the bolts are loose, the position of the guide shoe is prone to shift, resulting in a gap between the guide shoe and the guide rail exceeding 1mm, which affects the stability of the elevator counterweight.
The system employs a counterweight frame design, with guide shoes connected to fixing bolts via monocular holes. A trapezoidal stop block is installed inside the guide shoe, slidingly connected within a stop groove. The stop block is adjusted in position by long and short screws to ensure the stability of the guide shoe. Simultaneously, the long screw connects to the lifting cylinder to fix the combined counterweight blocks and maintain stability.
It effectively prevents the gap between the guide shoe and the guide rail mating surface from exceeding 1mm, ensuring the stable operation of the elevator counterweight and improving the stability and safety of elevator operation.
Smart Images
Figure CN223792740U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevator installation technology, and in particular to an elevator counterweight installation structure. Background Technology
[0002] When installing an elevator, a suitable counterweight also needs to be installed. The counterweight is a component of the elevator traction system, and its function is to reduce the power of the traction motor and the torque on the traction sheave and worm gear. Generally speaking, there is no fixed form for the structure of the counterweight, but various forms of counterweights also have the same structure, which is that four guide shoes should be installed at the four corners of the counterweight to ensure that the counterweight runs vertically along the counterweight guide rails when the elevator is running.
[0003] The guide shoe is the connecting component between the counterweight and the guide rail. The guide shoe is typically fixedly connected to the counterweight and then slidably connected to the guide rail. According to standards, the gap between the guide shoe's inner liner and the three mating surfaces of the guide rail should generally not exceed 1mm. Therefore, if the gap between the guide shoe and the guide rail does not meet the standard, the position of the guide shoe needs to be adjusted. To facilitate this adjustment, the bolt holes between the guide shoe and the counterweight are generally designed as monolithic holes.
[0004] The width of the monocular hole is the same as the bolt diameter, and the length of the monocular hole is the range of bolt movement, which is also the adjustment range of the guide shoe position. However, this method has a problem: when the bolt becomes loose, the monocular hole cannot play its positioning role, causing the guide shoe position to shift along the length of the monocular hole, affecting the stability of the counterweight. Utility Model Content
[0005] In view of this, the purpose of this utility model is to propose an elevator counterweight installation structure to solve the problem in the prior art that when the bolts become loose, the position of the guide shoe is easily shifted, resulting in a gap of more than 1mm between the inner lining of the guide shoe and the three mating surfaces of the guide rail.
[0006] To achieve the above objectives, this utility model provides an elevator counterweight mounting structure, including a counterweight frame and a plurality of combined counterweight blocks installed within the counterweight frame. The counterweight mounting structure further includes:
[0007] The guide shoes are fixedly connected to the counterweight frame. There are four guide shoes, which are fixedly connected to the four corners of the upper and lower end faces of the counterweight frame respectively.
[0008] A stop block located inside the guide shoe is used to abut the guide shoe to prevent it from sliding backward. The stop block is trapezoidal and slidably connected to the counterweight frame.
[0009] Furthermore, a long screw is threadedly connected to the upper end face of the counterweight frame, and the long screw is also threadedly connected to a stop block on the upper end face of the counterweight frame.
[0010] Furthermore, the bottom of the long screw is threadedly connected to the lifting cylinder, and a pressure plate is fixedly connected to the bottom of the lifting cylinder. The pressure plate presses on the combined counterweight to maintain the stability of the combined counterweight.
[0011] Furthermore, a short screw is threadedly connected to the lower end face of the counterweight frame, and the short screw is also threadedly connected to a stop block on the lower end face of the counterweight frame.
[0012] Furthermore, the counterweight frame has grooves on both the left and right sides, and the combined counterweight block has protrusions on both the left and right sides. The protrusions on the combined counterweight block are engaged in the grooves of the counterweight frame.
[0013] Furthermore, the top and bottom surfaces of the combined counterweight are both frosted, while the front and back surfaces of the combined counterweight are smooth.
[0014] Furthermore, each side of the upper and lower end faces of the counterweight frame is provided with a set of monolithic holes, and the guide shoe is fixedly connected to the counterweight frame by the cooperation of the fixing bolts and the monolithic holes.
[0015] Furthermore, a set of stop grooves is provided on both sides of the upper and lower end faces of the counterweight frame, and the stop block is slidably connected in the stop groove.
[0016] The beneficial effects of this utility model are as follows: 1. Guide shoes are fixedly connected at the four corners of the upper and lower end faces of the heavy frame by fixing bolts and matching round holes. The width of the round hole is the same as the diameter of the fixing bolt, while the length of the round hole is greater than the diameter of the fixing bolt. Therefore, the fixing bolt can move inside the round hole. The position of the guide shoe can be adjusted by moving the fixing bolt, thereby facilitating the adjustment of the gap between the inner lining of the guide shoe and the three mating surfaces of the guide rail.
[0017] 2. A stop block is installed on the inner side of the guide shoe. The stop block is trapezoidal and slidably connected in the stop groove. The further down the stop block goes, the more it squeezes the guide shoe outward. Therefore, after the stop block is fixed, it can hold the guide shoe against the inner side, so that the guide shoe cannot move inward. Even if the fixing bolts are loose, the gap between the inner lining of the guide shoe and the three mating surfaces of the guide rail will not exceed mm.
[0018] 3. The stop block is fixed by a long screw or a short screw. By rotating the long screw or the short screw, the stop block can be driven to slide up and down, which can be used to adjust the position of the guide shoe and ensure that the stop block can just right against the guide shoe no matter where the guide shoe is finally located.
[0019] 4. Additionally, the long screw extends into the counterweight frame, and a lifting cylinder is threadedly connected to the bottom of the long screw. A pressure plate is fixedly connected to the bottom of the lifting cylinder, pressing down on the combined counterweight blocks to maintain their stability. The lifting cylinder can move up and down along the long screw, thus adjusting the height of the pressure plate to accommodate different numbers of combined counterweight blocks. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the overall structure and principle of the device of this utility model.
[0022] Figure 2 This is a schematic diagram of the circular hole and the stop groove in the device of this utility model.
[0023] Figure 3 This is a schematic diagram of the internal structure of the device of this utility model.
[0024] Figure 4 for Figure 3 Enlarged view of part A in the middle.
[0025] Figure 5 for Figure 3 Enlarged view of section B.
[0026] The diagram is marked as follows:
[0027] 101. Counterweight frame; 102. Combined counterweight block; 103. Guide shoe; 104. Stop block; 105. Long screw; 106. Lifting cylinder; 107. Fixing bolt; 108. Round hole; 109. Stop groove; 110. Short screw; 111. Pressure plate. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.
[0029] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0030] The first aspect of this utility model is as follows: Figure 1 , Figure 2 and Figure 3 As shown, the gap between the inner lining of the counterweight guide shoe and the three mating surfaces of the guide rail generally does not exceed 1mm. In order to ensure stable operation of the counterweight after installation, this utility model fixes guide shoes 103 at the four corners of the upper and lower end faces of the counterweight frame 101. The stable operation of the counterweight is ensured by the cooperation and support of the four guide shoes 103.
[0031] Specifically, a set of monocular holes 108 are provided on both sides of the upper and lower end faces of the counterweight frame 101. The guide shoe 103 is fixedly connected to the counterweight frame 101 by the cooperation of the fixing bolt 107 and the monocular holes 108. The width of the monocular hole 108 is the same as the diameter of the fixing bolt 107, while the length of the monocular hole 108 is greater than the diameter of the fixing bolt 107. Therefore, the fixing bolt 107 can move within the monocular hole 108. By moving the fixing bolt 107, the position of the guide shoe 103 can be adjusted, thereby facilitating the adjustment of the gap between the inner lining of the guide shoe 103 and the three mating surfaces of the guide rail.
[0032] In addition, to prevent the guide shoe 103 from shifting position when the fixing bolt 107 becomes loose, causing the gap between the inner lining of the guide shoe 103 and the three mating surfaces of the guide rail to exceed 1mm, a stop block 104 is provided on the inner side of the guide shoe 103 to hold the guide shoe 103 in place and prevent it from sliding backward.
[0033] Specifically, the stop block 104 is trapezoidal and is slidably connected to the counterweight frame 101. A set of stop grooves 109 are provided on both sides of the upper and lower end faces of the counterweight frame 101, and the stop block 104 is slidably connected in the stop grooves 109.
[0034] The further the stop block 104 goes downward, the more it pushes the guide shoe 103 outward. Therefore, after the stop block 104 is fixed, it can abut against the stop block 104 on the inside, so that the guide shoe 103 cannot move inward. Even if the fixing bolt 107 becomes loose, the gap between the inner lining of the guide shoe 103 and the three mating surfaces of the guide rail will not exceed 1mm.
[0035] The second aspect of this utility model is as follows: Figure 3 , Figure 4 and Figure 5 As shown, in order for the stop block 104 to cooperate with the adjustment of the guide shoe 103 position, the stop block 104 can resist the guide shoe 103 to prevent it from sliding backward, no matter what the initial position of the guide shoe 103 is.
[0036] A long screw 105 is threadedly connected to the upper end face of the counterweight frame 101, and the long screw 105 is threadedly connected to the stop block 104 on the upper end face of the counterweight frame 101. In addition, a short screw 110 is threadedly connected to the upper end face of the counterweight frame 101, and the short screw 110 is also threadedly connected to the stop block 104 on the lower end face of the counterweight frame 101.
[0037] The stop block 104 is fixed by a long screw 105 or a short screw 110. By rotating the long screw 105 or the short screw 110, the stop block 104 can be driven to slide up and down. Since the stop block 104 is trapezoidal, the up and down sliding of the stop block 104 can be coordinated with the adjustment of the position of the guide shoe 103, ensuring that no matter where the guide shoe 103 is finally located, the stop block 104 can just right against the guide shoe 103.
[0038] The third aspect of this utility model is as follows: Figure 3 , Figure 4 and Figure 5 As shown, the counterweight is mainly composed of an external counterweight frame 101 and several internal combined counterweight blocks 102, which are stacked inside the counterweight frame 101. Therefore, in order to ensure the stability of the combined counterweight blocks 102 and prevent them from vibrating up and down during operation.
[0039] In this invention, a lifting cylinder 106 is threadedly connected to the bottom of the long screw 105. A pressure plate 111 is fixedly connected to the bottom of the lifting cylinder 106. The pressure plate 111 presses on the combined counterweight 102 to maintain the stability of the combined counterweight 102.
[0040] In addition, the counterweight frame 101 has grooves on the left and right sides, and the combined counterweight block 102 has protrusions on the left and right sides. By having the protrusions on the combined counterweight block 102 fit into the grooves of the counterweight frame 101, the stability of the combined counterweight block 102 after stacking is further ensured.
[0041] Preferably, the top and bottom surfaces of the combined counterweight 102 are both frosted, while the front and back surfaces of the combined counterweight 102 are smooth.
[0042] The long screw 105 extends into the counterweight frame 101, and a lifting cylinder 106 is threadedly connected to the bottom of the long screw 105. A pressure plate 111 is fixedly connected to the bottom of the lifting cylinder 106, pressing against the combined counterweight block 102 to maintain its stability. The lifting cylinder 106 can move up and down along the long screw 105, so the height of the pressure plate 111 can be adjusted to accommodate different numbers of combined counterweight blocks 102.
[0043] In summary, this utility model uses fixing bolts 107 and round holes 108 to fix guide shoes 103 at the four corners of the upper and lower end faces of the counterweight frame 101. The width of the round hole 108 is the same as the diameter of the fixing bolt 107, while the length of the round hole 108 is greater than the diameter of the fixing bolt 107. Therefore, the fixing bolt 107 can move within the round hole 108. The position of the guide shoe 103 can be adjusted by moving the fixing bolt 107, thereby facilitating the adjustment of the gap between the inner lining of the guide shoe 103 and the three mating surfaces of the guide rail. A stop block 104 is provided on the inner side of the guide shoe 103. The stop block 104 is trapezoidal and slidably connected in the stop groove 109. The lower the stop block 104 is, the more it presses the guide shoe 103 outward. Therefore, after the stop block 104 is fixed, it can abut against the guide shoe 103 on the inner side, so that the guide shoe 103 cannot move inward. Even if the fixing bolt 107 is loose, the gap between the inner lining of the guide shoe 103 and the three mating surfaces of the guide rail will not exceed 1mm. The stop block 104 is fixed by a long screw 105 or a short screw 110. By rotating the long screw 105 or the short screw 110, the stop block 104 can be driven to slide up and down, thereby cooperating with the adjustment of the position of the guide shoe 103, ensuring that no matter where the guide shoe 103 is finally positioned, the stop block 104 can abut against the guide shoe 103 just right. Additionally, the long screw 105 extends into the counterweight frame 101, and a lifting cylinder 106 is threadedly connected to the bottom of the long screw 105. A pressure plate 111 is fixedly connected to the bottom of the lifting cylinder 106, pressing against the combined counterweight block 102 to maintain its stability. The lifting cylinder 106 can move up and down along the long screw 105.
[0044] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention includes the claims being limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.
[0045] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An elevator counterweight mounting structure comprising a counterweight frame (101) and a plurality of combined counterweight blocks (102) mounted within the counterweight frame (101), characterized by, The counterweight mounting structure further comprises: A guide shoe (103) fixedly connected to the counterweight frame (101), which is provided with four corners and is fixedly connected to the upper and lower end faces of the counterweight frame (101); A stop block (104) provided inside the guide shoe (103) for abutting against the guide shoe (103) to prevent it from sliding backward, which is trapezoidal and is slidingly connected to the counterweight frame (101).
2. The elevator counterweight mounting structure according to claim 1, characterized by The upper end face of the counterweight frame (101) is further threadedly connected with a long screw rod (105), which is further threadedly connected with the stop block (104) on the upper end face of the counterweight frame (101).
3. The elevator counterweight mounting structure according to claim 2, characterized by The bottom of the long screw rod (105) is further threadedly connected with a lifting cylinder (106), the bottom of which is fixedly connected with a pressing plate (111) for pressing the combined counterweight block (102) to keep it stable.
4. The elevator counterweight mounting structure according to claim 1 or 2, characterized by The lower end face of the counterweight frame (101) is further threadedly connected with a short screw rod (110), which is further threadedly connected with the stop block (104) on the lower end face of the counterweight frame (101).
5. The elevator counterweight mounting structure according to claim 1, characterized by The left and right sides of the counterweight frame (101) are provided with grooves, and the left and right sides of the combined counterweight block (102) are provided with protrusions, which are clamped in the grooves of the counterweight frame (101).
6. The elevator counterweight mounting structure according to claim 1, characterized by The upper and lower faces of the combined counterweight block (102) are provided with frosted surfaces, and the front and rear faces are smooth.
7. The elevator counterweight mounting structure according to claim 1, characterized by The upper and lower end faces of the counterweight frame (101) are each provided with a group of unit circular holes (108), and the guide shoe (103) is fixedly connected to the counterweight frame (101) through the cooperation of the fixing bolts (107) and the unit circular holes (108).
8. The elevator counterweight mounting structure according to claim 1, characterized by The upper and lower end faces of the counterweight frame (101) are each provided with a group of stop grooves (109), and the stop block (104) is slidingly connected in the stop grooves (109).