Hydraulic lifting mechanism for cable-stayed hanging basket
By designing a hydraulic lifting mechanism for traction cable hanging basket driving combined with hydraulic parts and worm gear, the problems of low improvement accuracy and short motor service life in the prior art are solved, and the lifting effect with high accuracy and high safety is achieved.
Patent Information
- Application Number
- CN202420954724.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing cable-hanging basket lifting mechanism has low improvement accuracy and the motor frequently reverses, which poses safety risks and short service life.
A hydraulic lifting mechanism for traction cable hanging basket is designed, which adopts a combination of lifting components, worm gear and worm drive components, balance components, hydraulic parts and mounting tables. High-precision lifting and lowering are achieved through hydraulic parts, and self-locking and smooth operation are achieved through worm gear and worm gear and worm transmission.
It improves positioning accuracy and safety, reduces frequent forward and reverse rotation of the drive motor, extends the service life of the motor, and ensures the stability of the lifting and lowering process through balanced components.
Smart Images
Figure CN222685280U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cable hanging baskets for road and bridge construction, and specifically relates to a hydraulic lifting mechanism for a cable hanging basket. Background Art
[0002] A cable-stayed bridge is a large-span bridge structure. It is often composed of a main span beam and cable-stayed cables. It is usually used in areas with complex terrain. It has a simple structure, light weight and can have multiple lanes and walkways. It can also be built with a combination of various materials, such as concrete, steel, prestressed concrete, etc.
[0003] The construction of a cable-stayed bridge includes the front fulcrum hanging basket construction process. The front fulcrum hanging basket construction process is difficult to construct and has high safety risks. A cable hanging basket lifting mechanism is generally used to assist the front fulcrum hanging basket construction. Such a device is used to assist the front fulcrum hanging basket construction. However, the existing cable hanging basket lifting mechanism generally has low lifting accuracy and often uses a motor to drive the lead screw to achieve vertical displacement. The motor needs to frequently rotate forward and reverse during positioning. Therefore, a cable hanging basket hydraulic lifting mechanism with high positioning accuracy and high safety is urgently needed. Utility Model Content
[0004] In view of the above problems, the utility model provides a hydraulic lifting mechanism for a guy rope hanging basket.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a hydraulic lifting mechanism of a cable hanging basket, including a lifting assembly, a base and a first carrying platform, the lifting assembly is installed on the base, the lifting assembly and the first carrying platform are detachably connected, the hydraulic lifting mechanism of the cable hanging basket also includes a worm gear drive assembly, a balancing assembly, a hydraulic component and a second carrying platform, the lifting assembly includes a bottom plate, a top plate, a screw group, a bearing 1, a bearing 2 and a vertical support steel plate, the upper end of the screw group is rotatably connected to the top plate through a bearing 1, the lower end of the screw group is rotatably connected to the bottom plate through a bearing 2, the vertical support steel plate is vertical in the length direction, and the two ends of the vertical support steel plate in the length direction are detachably connected to the bottom plate and the top plate respectively;
[0006] The worm gear drive assembly comprises a worm gear set, a worm and a drive motor, the worm gear set and the worm are meshed, the worm gear set is detachably connected to the upper end of the lead screw set, the worm and the drive motor are detachably connected, and the lower end of the drive motor is in contact with the upper end of the top plate;
[0007] The balancing assembly includes a fixed pulley, a balancing block and a traction rope, wherein the fixed pulley is mounted on the top plate, the side surface of the traction rope is in contact with the fixed pulley, and the two ends of the traction rope in the length direction are detachably connected to the balancing block and the first carrying platform respectively;
[0008] The upper end of the hydraulic component is detachably connected to the lower end surface of the second mounting platform, and the lower end of the hydraulic component is detachably connected to the first mounting platform.
[0009] Preferably, the guy rope hanging basket hydraulic lifting mechanism also includes a ruler, and the balancing assembly also includes a clamp part, the clamp part is fixedly connected to the balancing block, the length direction of the ruler is vertical, and the ruler is slidably connected to the clamp part.
[0010] Preferably, the worm gear group includes worm gear 1 and worm gear 2, the screw group includes screw 1 and screw 2, the upper end side surface of screw 1 is detachably connected to worm gear 1, the upper end side surface of screw 2 is detachably connected to worm gear 2, and both worm gear 1 and worm gear 2 are engaged with the worm.
[0011] Preferably, the worm gear drive assembly is a self-locking worm gear mechanism, and the lead angle of the worm is smaller than the equivalent friction angle.
[0012] Preferably, the lifting assembly further comprises a connecting steel plate, the length direction of the connecting steel plate is horizontal, the number of the vertical supporting steel plates is two, and both ends of the connecting steel plate in the length direction are respectively fixedly connected to the vertical supporting steel plates.
[0013] Preferably, the vertical supporting steel plate is an H-shaped steel plate.
[0014] Preferably, the first mounting platform includes a steel rope connecting portion and a first mounting platform main body, and the steel rope connecting portion and the first mounting platform main body are fixedly connected.
[0015] Compared with the prior art, the advantages and positive effects of the utility model are:
[0016] (1) The upper end of the hydraulic component and the lower end surface of the second loading platform are detachably connected, and the lower end of the hydraulic component and the first loading platform are detachably connected. The initial low-precision lifting is achieved through the lifting assembly, and the high-precision lifting is achieved through the hydraulic component. There is no need for the drive motor to frequently rotate forward and reverse, which improves the actual service life of the drive motor.
[0017] (2) The worm gear assembly is detachably connected to the upper end of the lead screw assembly, and the worm and the drive motor are detachably connected. Compared with the traditional belt drive which is prone to slippage, the worm gear transmission does not slip, ensuring the horizontality of the first loading platform after long-term work. In addition, the worm gear transmission can achieve self-locking, which improves safety.
[0018] (3) The two ends of the traction rope in the length direction are detachably connected to the balance block and the first carrying platform. The balance block balances part of the gravity of the first carrying platform, ensuring that the lifting is more stable when the screw is driven;
[0019] (4) The length direction of the ruler is vertical, and the ruler is slidably connected to the clamp part. When the first loading platform rises, the balance block drops accordingly. Therefore, when the first loading platform is about to reach the predetermined height, the balance block is at a lower position, which is convenient for workers to observe in real time;
[0020] (5) The lead angle of the worm is smaller than the equivalent friction angle, which facilitates self-locking;
[0021] (6) The vertical supporting steel plate is an H-shaped steel plate with high strength and enhanced safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for describing the embodiment:
[0023] Figure 1 This is a three-dimensional view of the hydraulic lifting mechanism of the guy rope basket;
[0024] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;
[0025] Figure 3 This is a side view of the hydraulic lifting mechanism of the guy rope basket;
[0026] Figure 4 This is the front view of the hydraulic lifting mechanism of the guy rope hanging basket;
[0027] Figure 5 This is a top view of the hydraulic lifting mechanism of the guy wire basket.
[0028] Reference numerals:
[0029] 1—lifting assembly, 11—bottom plate, 12—top plate, 13—screw assembly, 14—connecting steel plate, 15—vertical supporting steel plate;
[0030] 2—worm gear drive assembly, 21—worm gear set, 22—worm gear 1, 23—worm gear 2, 24—worm;
[0031] 3—balancing assembly, 31—fixed pulley, 32—balancing block, 33—traction rope, 34—clamp;
[0032] 4—base;
[0033] 5—Ruler;
[0034] 6—first loading platform;
[0035] 7—Hydraulic parts;
[0036] 8—Second loading platform. DETAILED DESCRIPTION
[0037] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments.
[0038] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0039] Example 1
[0040] Combine the following Figures 1 to 5 Specific description of the hydraulic lifting mechanism of the guy rope hanging basket, such as Figure 3 and Figure 4 As shown, a cable hanging basket hydraulic lifting mechanism includes a lifting component 1, a base 4 and a first loading platform 6, the lifting component 1 is installed on the base 4, the lifting component 1 and the first loading platform 6 are detachably connected, the cable hanging basket hydraulic lifting mechanism also includes a worm gear drive component 2, a balancing component 3, a hydraulic component 7 and a second loading platform 8, the lifting component 1 includes a bottom plate 11, a top plate 12, a screw group 13, a bearing 1, a bearing 2 and a vertical support steel plate 15, the upper end of the screw group 13 is rotatably connected to the top plate 12 through a bearing 1, and the lower end of the screw group 13 is rotatably connected to the bottom plate 11 through a bearing 2, the vertical support steel plate 15 is vertical in the length direction, and the two ends of the vertical support steel plate 15 in the length direction are detachably connected to the bottom plate 11 and the top plate 12 respectively.
[0041] like Figure 1 and Figure 5 As shown, the worm gear drive assembly 2 includes a worm gear set 21, a worm 24 and a drive motor. The worm gear set 21 and the worm 24 are meshed, the worm gear set 21 is detachably connected to the upper end of the screw set 13, the worm 24 is detachably connected to the drive motor, and the lower end of the drive motor is in contact with the upper end of the top plate 12.
[0042] like Figure 1 and Figure 3 As shown, the balancing assembly 3 includes a fixed pulley 31, a balancing block 32 and a traction rope 33. The fixed pulley 31 is installed on the top plate 12. The side of the traction rope 33 is in contact with the fixed pulley 31. The two ends of the traction rope 33 in the length direction are detachably connected to the balancing block 32 and the first mounting platform 6 respectively.
[0043] like Figure 3 As shown, the upper end of the hydraulic component 7 is detachably connected to the lower end surface of the second mounting platform 8 , and the lower end of the hydraulic component 7 is detachably connected to the first mounting platform 6 .
[0044] like Figure 1 and Figure 2As shown, the guy rope basket hydraulic lifting mechanism also includes a ruler 5, and the balancing assembly 3 also includes a clamp portion 34, the clamp portion 34 is fixedly connected to the balancing block 32, the ruler 5 is vertical in length, and the ruler 5 is slidably connected to the clamp portion 34.
[0045] like Figure 1 and Figure 5 As shown, the worm gear set 21 includes a worm gear 1 22 and a worm gear 2 23, and the screw set 13 includes a screw 1 and a screw 2. The upper end side surface of the screw 1 is detachably connected to the worm gear 1 22, and the upper end side surface of the screw 2 is detachably connected to the worm gear 2 23. Both the worm gear 1 22 and the worm gear 2 23 are engaged with the worm 24.
[0046] The worm gear drive assembly 2 is a self-locking worm gear mechanism, and the lead angle of the worm 24 is smaller than the equivalent friction angle.
[0047] In a worm gear transmission, the lead angle of the worm 24 is the angle between the tangent of the helix on the dividing cylinder of the worm 24 and the end face of the worm 24 .
[0048] like Figure 1 As shown, the lifting assembly 1 also includes a connecting steel plate 14 , the length direction of the connecting steel plate 14 is horizontal, the number of vertical supporting steel plates 15 is two, and the two ends of the connecting steel plate 14 in the length direction are fixedly connected to the vertical supporting steel plates 15 respectively.
[0049] The vertical support steel plate 15 is an H-shaped steel plate.
[0050] like Figure 1 As shown, the first loading platform 6 includes a steel rope connecting portion and a first loading platform main body, and the steel rope connecting portion and the first loading platform main body are fixedly connected.
[0051] Working principle of the hydraulic lifting mechanism of the guy rope hanging basket:
[0052] After the driving motor starts working, it drives the worm 24 to rotate, and the worm 24 drives the worm wheel 1 22 and the worm wheel 2 23 to rotate, and then the screw group 13 rotates around its own axis, thereby realizing the lifting and lowering of the first mounting platform 6. When the first mounting platform 6 is lifted to a relatively close height, the driving motor is turned off and the worm 24 is self-locked. At this time, the hydraulic component 7 is used to achieve high-precision lifting to ensure installation accuracy.
[0053] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A guy rope hanging basket hydraulic lifting mechanism, comprising a lifting assembly (1), a base (4) and a first carrying platform (6), wherein the lifting assembly (1) is mounted on the base (4), and the lifting assembly (1) and the first carrying platform (6) are detachably connected, characterized in that: The cable hanging basket hydraulic lifting mechanism also includes a worm gear drive assembly (2), a balancing assembly (3), a hydraulic component (7) and a second loading platform (8); the lifting assembly (1) includes a bottom plate (11), a top plate (12), a lead screw assembly (13), a first bearing, a second bearing and a vertical support steel plate (15); the upper end of the lead screw assembly (13) is rotatably connected to the top plate (12) via a first bearing; the lower end of the lead screw assembly (13) is rotatably connected to the bottom plate (11) via a second bearing; the vertical support steel plate (15) is vertical in length direction; and the two ends of the vertical support steel plate (15) in length direction are detachably connected to the bottom plate (11) and the top plate (12) respectively; The worm gear drive assembly (2) comprises a worm gear set (21), a worm (24) and a drive motor, the worm gear set (21) and the worm (24) are meshed, the worm gear set (21) is detachably connected to the upper end of the lead screw set (13), the worm (24) and the drive motor are detachably connected, and the lower end of the drive motor is in contact with the upper end of the top plate (12); The balancing assembly (3) comprises a fixed pulley (31), a balancing block (32) and a traction rope (33); the fixed pulley (31) is mounted on the top plate (12); the side surface of the traction rope (33) is in contact with the fixed pulley (31); and the two ends of the traction rope (33) in the length direction are respectively detachably connected to the balancing block (32) and the first carrying platform (6); The upper end of the hydraulic component (7) is detachably connected to the lower end surface of the second mounting platform (8), and the lower end of the hydraulic component (7) is detachably connected to the first mounting platform (6).
2. The hydraulic lifting mechanism of the guy wire basket according to claim 1, characterized in that: The guy rope hanging basket hydraulic lifting mechanism also includes a scale (5), and the balancing assembly (3) also includes a clamping part (34), the clamping part (34) is fixedly connected to the balancing block (32), the length direction of the scale (5) is vertical, and the scale (5) is slidably connected to the clamping part (34).
3. The hydraulic lifting mechanism of the guy wire basket according to claim 1, characterized in that: The worm gear assembly (21) comprises a worm gear 1 (22) and a worm gear 2 (23), and the lead screw assembly (13) comprises a lead screw 1 and a lead screw 2, the upper end side surface of the lead screw 1 is detachably connected to the worm gear 1 (22), the upper end side surface of the lead screw 2 is detachably connected to the worm gear 2 (23), and the worm gear 1 (22) and the worm gear 2 (23) are both meshed with the worm (24).
4. The hydraulic lifting mechanism of the guy wire basket according to claim 3 is characterized in that: The worm gear drive assembly (2) is a self-locking worm gear mechanism, and the lead angle of the worm (24) is smaller than the equivalent friction angle.
5. The hydraulic lifting mechanism of the guy wire basket according to claim 1, characterized in that: The lifting assembly (1) further comprises a connecting steel plate (14), the length direction of the connecting steel plate (14) being horizontal, the number of the vertical supporting steel plates (15) being two, and both ends of the connecting steel plate (14) in the length direction being respectively fixedly connected to the vertical supporting steel plates (15).
6. The hydraulic lifting mechanism of the guy wire basket according to claim 1, characterized in that: The vertical supporting steel plate (15) is an H-shaped steel plate.
7. The hydraulic lifting mechanism of the guy wire basket according to claim 1, characterized in that: The first mounting platform (6) comprises a steel rope connecting portion and a first mounting platform main body, and the steel rope connecting portion and the first mounting platform main body are fixedly connected.