Elevator traction counterweight device

Abstract

The utility model discloses an elevator traction counterweight device which comprises a bracket, a containing cavity is formed in the bracket, a plurality of balancing weights are arranged in the containing cavity, a pressing and fixing assembly used for pressing the balancing weights is further arranged in the containing cavity, and an installation assembly detachably connected to a car bottom is arranged on the bracket. The multiple balancing weights are fixedly installed in the bracket, so that the multiple balancing weights are integrated together in advance, the balancing weights do not need to be installed one by one at the bottom of the car, the installation efficiency is improved, the operation time at the bottom of the car is shortened, and the operation safety is improved; besides, the mounting of the balancing weight at the car bottom can be realized only by mounting the bracket at the car bottom, and a cross beam is not required to be arranged at a specific position of the car bottom in the prior art, so that the requirement on the car bottom structure is reduced, and the universality of the balancing weight mounting structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator traction counterweight device. Background Art

[0002] With the progress of society and the development of economy, the elevator industry is also developing towards ultra-high speed and ultra-large load. Whether it is an ultra-high-speed elevator or a large-load elevator with a high suspension ratio, due to the high speed of its traction wheel, it is usually necessary to configure a large number of counterweights for the car to ensure that the elevator has sufficient traction capacity.

[0003] As shown in the prior art CN207434805U, most of the current elevator counterweights are cast iron with special-shaped structures. They are light in weight and require multiple counterweights to be used in combination and installed piece by piece. Then, a special limit device is used to clamp the counterweights to prevent them from falling off or shaking, resulting in low installation efficiency. In addition, most of the counterweights are special-shaped structures, and a crossbeam that can match the special-shaped structure needs to be set at a specific position on the car bottom, which is not conducive to the versatility of the car bottom structure. Utility Model Content

[0004] In view of this, the utility model proposes an elevator traction counterweight device, the purpose of which is to solve the problems of low installation efficiency and low versatility of the current counterweight block on the car bottom at least to a certain extent.

[0005] The technical solution of the utility model is achieved in this way:

[0006] An elevator traction counterweight device comprises a bracket, a receiving cavity is formed on the bracket, a plurality of counterweight blocks are arranged in the receiving cavity, a pressing assembly for pressing the counterweight blocks is also arranged in the receiving cavity, and a mounting assembly detachably connected to the car bottom is arranged on the bracket.

[0007] Furthermore, the bracket includes connecting plates located on both sides of the accommodating cavity, and a strip-shaped connecting hole is opened on the connecting plate; the mounting assembly includes a pressure code, a fastening bolt and a fastening nut, the stud of the fastening bolt is passed through the pressure code and the strip-shaped connecting hole, and the fastening bolt is threadedly connected to the fastening nut; at least part of the structure of the car bottom is clamped between the pressure code and the connecting plate.

[0008] Furthermore, the bracket includes a bottom plate and two side plates arranged on the bottom plate, and the accommodating cavity is formed between the bottom plate and the two side plates.

[0009] Furthermore, the counterweight blocks are stacked into at least one row in the accommodating cavity, and the pressing assembly is arranged on the top of the counterweight blocks in each row to press the counterweight blocks onto the support plate; the pressing assembly is detachably connected to the bracket via a bolt assembly.

[0010] Further, the pressing assembly includes a pressing plate, both ends of which are bent to form a first connecting portion, a first strip hole is opened on the first connecting portion, and the length direction of the first strip hole is opened vertically; a plurality of second strip holes arranged along the vertical interval are opened on the side wall of the side plate, the distance between two adjacent second strip holes corresponds to the thickness of the counterweight block, and the length direction of the second strip hole is opened horizontally, and the first strip hole and the second strip hole are provided with a bolt assembly to achieve relative fixation of the first connecting portion and the side plate.

[0011] Furthermore, at least two pressing assemblies are arranged on the top of each column of counterweights.

[0012] Furthermore, it also includes a side stop assembly, which is detachably arranged in the accommodating cavity through a bolt assembly, and the side stop assembly is arranged on both sides of the counterweight block.

[0013] Further, the side baffle assembly includes a baffle plate, one end of which is bent to form a second connecting portion, a third strip hole is provided on the second connecting portion, and the length direction of the third strip hole is arranged along the length direction of the support plate; a plurality of fourth strip holes are provided on the support plate, and the length direction of the fourth strip holes is arranged along the width direction of the support plate, and the third strip holes and the fourth strip holes are provided with bolt assemblies to achieve relative fixation of the second connecting portion and the support plate.

[0014] Furthermore, both ends of the bracket are provided with hanging brackets, and at least a part of the hanging brackets is located outside the projection range of the car bottom.

[0015] Furthermore, the hanging bracket includes a hanging plate, both ends of the hanging plate are bent to form a third connecting portion, and the third connecting portion is connected to the side plate.

[0016] The beneficial effects of the utility model are as follows: by fixing a plurality of counterweight blocks in the bracket, the plurality of counterweight blocks are pre-integrated together, and there is no need to install them one by one on the car platform, thereby improving installation efficiency, reducing operation time on the car platform, and improving operation safety; in addition, the installation of the counterweight block on the car platform can be achieved by only installing the bracket on the car platform, and there is no need to set a crossbeam at a specific position of the car platform as in the prior art, thereby reducing the requirements on the car platform structure and improving the versatility of the counterweight block installation structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a structural schematic diagram of an elevator traction counterweight device in one embodiment;

[0019] Figure 2 for Figure 1 A schematic diagram of the structure in which the elevator traction counterweight device is installed on the car bottom;

[0020] Figure 3 for Figure 2 A magnified view of middle;

[0021] Figure 4 for Figure 2 Enlarged view of middle B;

[0022] Figure 5 for Figure 1 Enlarged view of middle C;

[0023] Figure 6 for Figure 2 Enlarged view of middle D;

[0024] Figure 7 for Figure 1 A schematic side view of an elevator traction counterweight device installed on a car bottom;

[0025] Figure 8 for Figure 1 A schematic top view of the elevator traction counterweight device installed on the car bottom;

[0026] Fig. 9 It is a structural schematic diagram of an elevator traction counterweight device installed on the car bottom in another embodiment;

[0027] Fig.10 for Fig. 9 Schematic diagram of a top view of the elevator traction counterweight device installed on the car bottom.

[0028] In the figure: 100, car bottom; 200, compensation chain;

[0029] 1. bracket; 11. support plate; 111. fourth strip hole; 12. side plate; 121. second strip hole; 13. connecting plate; 131. strip connecting hole;

[0030] 2. Counterweight;

[0031] 3. Compression assembly; 31. Pressing plate; 32. First connecting portion; 321. First strip hole;

[0032] 4. Install the components; 41. Press the code; 42. Tighten the bolts; 43. Tighten the nuts;

[0033] 5. side baffle assembly; 51. baffle plate; 52. second connecting portion; 521. third strip hole;

[0034] 6. Lifting bracket; 61. Hanging plate; 62. Third connecting part. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] refer to Figure 1-10 , shows an elevator traction counterweight device, including a bracket 1, a receiving cavity is formed on the bracket 1, a plurality of counterweight blocks 2 are arranged in the receiving cavity, a pressing component 3 for pressing the counterweight blocks 2 is also arranged in the receiving cavity, and a mounting component 4 detachably connected to the car bottom 100 is arranged on the bracket 1.

[0040] Specifically, by fixing a plurality of counterweights 2 in the bracket 1, the plurality of counterweights 2 are pre-integrated together, and there is no need to install them one by one on the car bottom 100, thereby improving installation efficiency, reducing operation time on the car bottom 100, and improving operation safety; in addition, the installation of the car bottom 100 of the counterweight 2 can be achieved by only installing the bracket 1 on the car bottom 100, and there is no need to set a crossbeam at a specific position of the car bottom 100 as in the prior art, thereby reducing the requirements for the structure of the car bottom 100 and improving the versatility of the installation structure of the counterweight 2.

[0041] In some embodiments, reference Figure 2 and Figure 3 The bracket 1 includes a connecting plate 13 located on both sides of the accommodating cavity, and a strip-shaped connecting hole 131 is opened on the connecting plate 13; the mounting assembly 4 includes a pressure code 41, a fastening bolt 42 and a fastening nut 43, the stud of the fastening bolt 42 is passed through the pressure code 41 and the strip-shaped connecting hole 131, and the fastening bolt 42 is threadedly connected with the fastening nut 43; at least part of the structure of the car bottom 100 is stuck between the pressure code 41 and the connecting plate 13.

[0042] Among them, the car platform 100 can be, for example, the car platform shown in the prior art CN220098237U, which has a plurality of reinforcing ribs on the car platform, and the reinforcing ribs are steel materials such as C-shaped steel, I-shaped steel or H-shaped steel, and the wing edges on the reinforcing ribs can be clamped between the pressure code 41 and the connecting plate 13 in this embodiment; for example, the car platform shown in the prior art CN115783956A, which has C-shaped steel, I-shaped steel or H-shaped steel on the car platform, and the wing edges of these steels can be clamped between the pressure code 41 and the connecting plate in this embodiment 13; thus, the mounting assembly 4 in the present embodiment can be applicable to various structures of car platforms and has high versatility; in addition, when the fastening nut 43 is loosened, the mounting assembly 4 can move along the strip connecting hole 131, so as to adjust the position of the mounting assembly 4; during the installation operation, the counterweight block 2 is pre-installed in the bracket 1, the bracket 1 is placed close to the car platform 100, the position of the mounting assembly 4 is moved, and the fastening nut 43 is tightened to fix the bracket 1 on the car platform 100, and the operation is simple and quick.

[0043] The above scheme further refers to Figure 1The bracket 1 includes a bottom plate and two side plates 12 arranged on the bottom plate, and the accommodating cavity is formed between the bottom plate and the two side plates 12; in this embodiment, the connecting plate 13 is arranged above the side plates 12, and the bracket 1 can be formed by bending a steel plate to form the bracket 11, the side plates 12 and the connecting plate 13, which has a simple structure and is easy to manufacture.

[0044] refer to Figure 1 , Figure 7 and Fig. 9 The counterweight blocks 2 are stacked into at least one row in the accommodating cavity, and the pressing assembly 3 is arranged on the top of the counterweight blocks 2 in each row to press the counterweight blocks 2 onto the support plate 11; the pressing assembly 3 is detachably connected to the bracket 1 through a bolt assembly.

[0045] In some embodiments, Figure 1 As shown, the length of the bracket 1 is relatively long, and the length of the bracket 1 is close to the width of the car bottom 100; the counterweight blocks 2 are stacked into multiple rows in the accommodating cavity, and the counterweight blocks 2 of multiple rows are arranged along the length direction of the support plate 11, wherein the number of counterweight blocks 2 in each row can be the same or different; Figure 7 As shown, the number of counterweight blocks 2 in some rows is relatively large, while the number of counterweight blocks 2 in some rows is relatively small, so that one end of the bracket 1 is heavier and the other end is lighter, as shown in FIG. Figure 8 As shown, the heavier end can be set on the side of the car platform 100 away from the counterweight to balance the weight of the compensation chain 200; in other words, the center of gravity of the bracket 1 can be adjusted by adjusting the weight blocks of the counterweight blocks 2 on different columns to balance the weight of the compensation chain 200.

[0046] In other embodiments, Fig. 9 As shown, the length of the bracket 1 is relatively short, and the length of the bracket 1 is much smaller than the width of the car bottom 100; the counterweight blocks 2 are only stacked in a row in the accommodating cavity; Fig.10 As shown, the bracket 1 can be set at different positions of the car base 100 to balance the weight of the compensation chain 200; wherein, the number of counterweight blocks 2 in multiple brackets 1 on the car base 100 does not have to be the same, and can be flexibly set according to actual needs to balance the weight of the compensation chain 200.

[0047] In some embodiments, reference Figure 1 , Figure 3 and Figure 4The pressing assembly 3 includes a pressing plate 31, both ends of which are bent to form a first connecting portion 32, a first strip hole 321 is provided on the first connecting portion 32, and the length direction of the first strip hole 321 is vertically opened; a plurality of second strip holes 121 arranged along the vertical interval are provided on the side wall of the side plate 12, the distance between two adjacent second strip holes 121 corresponds to the thickness of the counterweight block 2, the length direction of the second strip hole 121 is horizontally opened, and the first strip hole 321 and the second strip hole 121 are provided with a bolt assembly to realize the relative fixation of the first connecting portion 32 and the side plate 12.

[0048] Specifically, the lateral position adjustment of the pressure plate 31 can be achieved through the second strip hole 121, and the vertical position adjustment of the pressure plate 31 can be achieved through the first strip hole 321, so that the pressure plate 31 can stably press the counterweight block 2 on the support plate 11; in addition, in order to further improve the installation stability of the counterweight block 2, at least two pressing components 3 are arranged on the top of each column of the counterweight block 2.

[0049] Preferably, reference Figure 1 , Figure 2 , Figure 5 and Figure 6 , and further includes a side stopper assembly 5, which is detachably arranged in the accommodating cavity by a bolt assembly, and the side stopper assembly 5 is arranged on both sides of the counterweight block 2. In this way, the side stopper assembly 5 can block the counterweight block 2 at the side, and can prevent the counterweight block 2 from being separated from the bracket 1 in the horizontal direction, further improve the installation stability of the counterweight block 2, and prevent the counterweight block 2 from falling off or shaking.

[0050] Specifically, the side stop assembly 5 includes a stopper 51, one end of which is bent to form a second connection portion 52, a third strip hole 521 is provided on the second connection portion 52, and the length direction of the third strip hole 521 is arranged along the length direction of the support plate 11; a plurality of fourth strip holes 111 are provided on the support plate 11, and the length direction of the fourth strip holes 111 is arranged along the width direction of the support plate 11, and the third strip holes 521 and the fourth strip holes 111 are provided with bolt assemblies to achieve relative fixation of the second connection portion 52 and the support plate 11. In this way, the side stop assembly 5 can be adjusted in the length direction of the bracket 1 through the third strip hole 521, and the side stop assembly 5 can be adjusted in the width direction of the bracket 1 through the fourth strip hole 111, so as to ensure that the side stop assembly 5 can effectively block the counterweight 2 from the side.

[0051] In addition, when using Fig. 9When the elevator traction counterweight device in the embodiment of the present invention is used, the number of counterweight blocks 2 is small, and the weight of the elevator traction counterweight device is not large. The elevator traction counterweight device can be directly lifted and installed close to the car bottom 100 by manpower; and when the method as shown in FIG. Figure 1 In the elevator traction counterweight device, the number of counterweight blocks 2 is large, and the weight of the elevator traction counterweight device is large. In order to facilitate the installation of the elevator traction counterweight device, reference Figure 1 and Figure 7 , the two ends of the bracket 1 are provided with a hanging bracket 6, at least part of which is located outside the projection range of the car bottom 100; specifically, the hanging bracket 6 includes a hanging plate 61, and the two ends of the hanging plate 61 are bent to form a third connecting portion 62, and the third connecting portion 62 is connected to the side plate 12 through a bolt assembly. In this way, the hanging bracket 6 can be hoisted on both sides of the car, so that the elevator traction counterweight device can be installed close to the car bottom 100.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An elevator traction counterweight device, characterized in that: The vehicle comprises a bracket, a receiving cavity is formed on the bracket, a plurality of counterweight blocks are arranged in the receiving cavity, a pressing assembly for pressing the counterweight blocks is also arranged in the receiving cavity, and a mounting assembly detachably connected to the car bottom is arranged on the bracket.

2. The elevator traction counterweight device according to claim 1, characterized in that: The bracket includes connecting plates located on both sides of the accommodating cavity, and a strip-shaped connecting hole is provided on the connecting plates; the mounting assembly includes a pressure code, a fastening bolt and a fastening nut, the stud of the fastening bolt is passed through the pressure code and the strip-shaped connecting hole, and the fastening bolt is threadedly connected to the fastening nut; at least part of the structure of the car bottom is clamped between the pressure code and the connecting plate.

3. The elevator traction counterweight device according to claim 1 or 2, characterized in that: The bracket includes a support plate and two side plates arranged on the support plate, and the accommodating cavity is formed between the support plate and the two side plates.

4. The elevator traction counterweight device according to claim 3, characterized in that: The counterweight blocks are stacked into at least one row in the accommodating cavity, and the pressing assembly is arranged on the top of the counterweight blocks in each row to press the counterweight blocks onto the supporting plate; the pressing assembly is detachably connected to the bracket via a bolt assembly.

5. The elevator traction counterweight device according to claim 4, characterized in that: The pressing assembly includes a pressing plate, both ends of which are bent to form a first connecting portion, a first strip hole is opened on the first connecting portion, and the length direction of the first strip hole is opened vertically; a plurality of second strip holes arranged along the vertical interval are opened on the side wall of the side plate, the distance between two adjacent second strip holes corresponds to the thickness of the counterweight block, and the length direction of the second strip hole is opened horizontally, and the first strip hole and the second strip hole are provided with a bolt assembly to achieve relative fixation of the first connecting portion and the side plate.

6. The elevator traction counterweight device according to claim 5, characterized in that: At least two pressing assemblies are arranged on the top of each column of counterweights.

7. The elevator traction counterweight device according to claim 5, characterized in that: It also includes a side stopper assembly, which is detachably arranged in the accommodating cavity through a bolt assembly, and the side stopper assembly is arranged on both sides of the counterweight block.

8. The elevator traction counterweight device according to claim 7, characterized in that: The side baffle assembly includes a baffle plate, one end of which is bent to form a second connecting portion, a third strip hole is opened on the second connecting portion, and the length direction of the third strip hole is arranged along the length direction of the support plate; a plurality of fourth strip holes are opened on the support plate, and the length direction of the fourth strip holes is arranged along the width direction of the support plate, and the third strip holes and the fourth strip holes are provided with bolt assemblies to achieve relative fixation of the second connecting portion and the support plate.

9. The elevator traction counterweight device according to claim 4, characterized in that: Both ends of the bracket are provided with hanging brackets, and at least a part of the hanging brackets is located outside the projection range of the car bottom.

10. The elevator traction counterweight device according to claim 9, characterized in that: The hanging bracket includes a hanging plate, and two ends of the hanging plate are bent to form a third connecting portion, and the third connecting portion is connected to the side plate.

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