Balance weight mounting device and method

By designing a weight installation device, the automatic lifting, weighing, turning, and precise assembly of the weights are achieved, solving the problems of low efficiency and poor safety of manual installation in existing technologies, and improving the automation level of railway catenary weight installation.

CN121246637APending Publication Date: 2026-01-02WUCHANG SHOUYI UNIV +1
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Patent Information

Application Number
CN202511507029.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-21
Publication Date
2026-01-02

AI Technical Summary

Technical Problem

The installation of weights in the existing railway catenary system involves manual handling and poses safety hazards. The existing equipment has limited functionality and cannot achieve automatic clamping, lifting, and precise assembly of weights, resulting in unmet needs for automation and intelligence.

Method used

A weight installation device was designed, comprising a bracket, a lifting cylinder, a lifting and stacking mechanism, and a weighing and steering mechanism, to achieve automatic lifting, weighing, steering, and precise assembly of the weight. The automated installation of the weight is achieved through the combination of components such as the bracket, lifting cylinder, sliding plate, support plate, and weighing sensor.

Benefits of technology

It improves the efficiency and safety of weight installation, ensures the accuracy of alignment between weight pieces, reduces manual labor intensity, reduces safety hazards, and meets the automation requirements of modern railway construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a balance weight mounting device and method, and the balance weight mounting device comprises a support which is used for overall mounting and supporting; the lifting stacking mechanism comprises a sliding plate which can longitudinally slide relative to the vertical plate, a bearing plate which is horizontally and slidably connected relative to the sliding plate is arranged on the sliding plate, and clamping and longitudinal movement of the balance weight are controlled by controlling transverse and longitudinal movement of the bearing plate; and the weighing steering mechanism is fixed to the bottom plate and located below the bearing plate and comprises a material supporting chassis and a supporting disc which are arranged from top to bottom, the material supporting chassis can rotate by 180 degrees relative to the supporting disc and can control steering of the balance weight, automatic lifting, weighing, steering and precise assembling of the balance weight can be achieved, and the operation efficiency and safety are improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of railway power grid, in particular to a plummet installation device. BACKGROUND

[0002] In the railway catenary system, the plummet is a key component of the tension automatic compensation device, which is usually composed of multiple cast iron plummet pieces stacked together, fixed by a suspension ring rod and a screw rod in series, and maintains the constant tension of the contact conductor by its gravity. The installation of the traditional plummet mainly relies on manual operation, which has the following technical bottlenecks: the labor intensity of manual carrying and stacking the plummet is high, the efficiency is low, and the safety risk is prominent when working in high altitude or narrow space; it is difficult to ensure the accurate alignment between the plummet pieces during the stacking process, which may lead to the deflection of the suspension ring rod and the screw rod, affecting the subsequent tensioning effect; the existing auxiliary hoisting equipment has a single function and cannot realize the automatic clamping, weighing, steering and precise assembly of the plummet, which cannot meet the demand of modern railway construction for automation and intelligentization; there is a lack of real-time monitoring means for the overall weight of the plummet, which cannot determine whether the number of plummets meets the standard in the installation process, and there is a risk of rework. Therefore, a special device capable of realizing the automatic clamping, lifting and precise assembly of the plummet is needed to solve the above technical problems and improve the efficiency, precision and safety of the installation of the railway catenary plummet. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a plummet installation device, which comprises: A support frame composed of a bottom plate and a vertical plate perpendicular to the bottom plate, a lifting cylinder is arranged on the upper part of the front surface of the vertical plate, and the lifting cylinder can drive the lifting of the elongated rod for suspending the suspension ring rod; A lifting and stacking mechanism installed on the vertical plate, comprising a sliding plate capable of sliding up and down relative to the vertical plate, a pair of supporting plates horizontally connected to the sliding plate are arranged on the sliding plate, the supporting plates are perpendicular to the sliding plate, and arc-shaped openings are arranged on the opposite sides of the two supporting plates, so that the plummets can be placed on the supporting plates when the supporting plates are close to each other; A weighing and steering mechanism fixed on the bottom plate below the supporting plates, comprising a material supporting tray and a supporting disc arranged from top to bottom, the material supporting tray can rotate 180° relative to the supporting disc; a groove for supporting the bottom end supporting plate of the suspension ring rod is arranged in the middle of the upper end surface of the material supporting tray, and a plurality of detachable screw rods are uniformly arranged on the material supporting tray, the screw rods are parallel to the vertical plate, when the suspension ring rod is aligned with the center sliding groove on the plummet and naturally droops, the position of the screw rod relative to the suspension ring rod is the same as the position of the eccentric hole of the plummet relative to the center, and after the eccentric hole and the center of the plummet are respectively aligned with the screw rod and the suspension ring rod, the plummet can slide down to the supporting plate.

[0004] The lifting cylinder is fixed with an elongated rod perpendicular to the vertical plate on both sides, the elongated rods are connected with a suspension ring pin, and the suspension ring pin is detachably connected with the top suspension ring of the suspension ring rod.

[0005] The screw rod is arranged at least two, and the material supporting base is provided with a through hole for fastening the screw rod.

[0006] Two vertical guides are arranged on the vertical plate along the Z-axis direction, and the sliding plate is slidably connected with the vertical guides.

[0007] The opening is a stepped plate close to the opposite end, and when the supporting plates are close to each other, the plummet can be placed on the stepped plate of the supporting plate.

[0008] The supporting disc is further connected with a weighing sensor in the middle of the lower end surface, and the weighing sensor displays data through the weight display screen arranged on the side of the lifting cylinder.

[0009] Four linear bearings and guide rods assembled in the linear bearings are uniformly arranged on the lower part of the supporting disc.

[0010] The gear rack is arranged between the material supporting base and the supporting disc, the gear rack is driven by the rack driving cylinder, and the material supporting base can rotate 180° relative to the supporting disc through the gear rack.

[0011] The vertical plate is fixed on the translation mechanism on both sides of the bottom, the translation mechanism can drive the vertical plate to move horizontally along the sliding direction perpendicular to the supporting plate between the starting position and the ending position, when the vertical plate is in the ending position, the vertical plate is close to the material supporting base, and when the hanging ring rod naturally drops, the hanging ring rod can be aligned with the center of the material supporting base.

[0012] A supporting plate is arranged on the lower part of the pair of supporting plates, the supporting plate can move horizontally relative to the vertical plate along the sliding direction perpendicular to the supporting plate, a clamping jaw cylinder is arranged between the supporting plate and the bottom surface of the supporting plate, a bayonet is arranged on the side of the supporting plate away from the vertical plate, and a magnet is arranged on the side of the supporting plate close to the bayonet; the bayonet and the clamping jaw cylinder are used for correcting the perpendicularity of the screw rod relative to the material supporting base when the screw rod is installed, and are used for fixing the hanging ring rod, so that the hanging ring rod is perpendicular to the material supporting base and is aligned with the center of the material supporting base.

[0013] A plummet installation method adopts the plummet installation device, and includes the following steps: S1. The sliding plate is raised to a set height by the lifting cylinder, the screw rod is erected on the material supporting base, the hanging ring rod is installed on the end of the elongated rod away from the vertical plate, the supporting plates are closed, the plummet is placed on the supporting plates after the sliding groove on the plummet passes through the center and is aligned with the hanging ring rod, and the eccentric hole of the plummet is aligned with the screw rod. S2. The lifting cylinder is lowered, the sliding plate is controlled to move downward, at this time, the supporting plates are synchronously moved downward, and after reaching the bottom, the supporting plates are opened to both sides, the plummet is placed on the material supporting base, and the lifting cylinder is raised to return to the initial position. S3. After the first plummet is installed, the material supporting base of the weighing turning mechanism is controlled to rotate 180°. S4. Repeat the above S1-S3 process until the stack to the desired number of plummet.

[0014] Compared with the prior art, the present application has the beneficial effects that the present application realizes automatic lifting, weighing, turning and precise assembly of the plummet, improves operation efficiency and safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic diagram of the present application; Fig. 2 is a support plate connection schematic diagram of the present application; Fig. 3 is a weighing and turning mechanism structural schematic diagram of the present application. DETAILED DESCRIPTION

[0016] The specific embodiments of the present application are described in detail below in conjunction with the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present application, and cannot limit the protection scope of the present application.

[0017] EMBODIMENT As Figs. 1-3 shown, a plummet mounting device includes a support, a lifting and stacking mechanism fixed on the support, and a weighing and turning mechanism. The support includes a bottom plate 1 and a vertical plate 2 perpendicular to the bottom plate 1, the vertical plate 2 is a hollow structure forming a rectangular window, two vertical guide rails 27 are arranged on the vertical plate 2 along the Z-axis direction, symmetrically arranged outside two opposite sides of the rectangular window, a lifting cylinder 3 is arranged on the front upper part of the vertical plate 2, located in the middle of the two vertical guide rails 27, and parallel to the vertical guide rails 27, two elongated rods 4 perpendicular to the vertical plate 2 are fixed on both sides of the lifting cylinder 3, a lifting ring pin 5 is connected between the two elongated rods 4, and a lifting ring rod 6 is detachably mounted on the lifting ring pin 5. The bottom plate 2 is fixed on a translation mechanism 30 on both sides, and the translation mechanism 30 can drive the vertical plate 2 to move horizontally along the sliding direction perpendicular to the support plate 8 between the starting position and the ending position.

[0018] The lifting and stacking mechanism includes a sliding plate 7 and a support plate 8, the sliding plate 7 is slidably connected with the two parallel vertical guide rails 27, the sliding plate 7 is provided with two horizontal guide rails 28 on the front surface, each horizontal guide rail 28 is slidably connected with a moving plate 11, the moving plate 11 is bent away from the horizontal guide rail 28 to form the support plate 8, the opposite sides of the two opposite support plates 8 are provided with openings 9, the openings 9 are in a stepped structure near the end of the opposite sides, when the support plates 8 are close to each other, the plummet 10 can be placed on the stepped plate 25 of the support plate 8, at this time, the plummet 10 is located in the opening 9, and the rod part of the lifting ring rod 6 is embedded in the center sliding groove of the plummet 10.

[0019] A pair of supporting plates 8 are provided with support plates 12, which can move horizontally relative to the stand plate 2 along the sliding direction perpendicular to the supporting plate 8, and the support plate 12 is provided with a clamping jaw air cylinder 13 between the bottom surface of the supporting plate 8, and the support plate 12 is provided with three clamps 14 on the side away from the stand plate 2, and the support plate 12 is provided with a magnet 15 near the clamp 14, and the clamp 14 and the clamping jaw air cylinder 13 are used to correct the perpendicularity of the screw rod 16 relative to the material supporting tray 17 when installing the screw rod 16, and are used to fix the hanging ring rod 6, so that the hanging ring rod 6 is perpendicular to the material supporting tray 17 and is aligned with the center of the material supporting tray 17. When the stand plate 2 is in the final position, the stand plate 2 is close to the material supporting tray 17, and the hanging ring rod 6 naturally falls to align the center of the material supporting tray 17.

[0020] The bottom plate 1 is also provided with a weighing and turning mechanism, which is located below the supporting plate 8, and the weighing and turning mechanism comprises a material supporting tray 17 and a supporting disc 18 arranged from top to bottom, and the upper end surface of the material supporting tray 17 is provided with a recess 20 for supporting the bottom plate of the hanging ring rod 6, and the material supporting disc is also uniformly provided with through holes for the screw rod 16 to pass through, and the bottom of the two screw rods 16 and the bottom plate of the hanging ring rod 6 can be placed in the through hole and the recess 20 respectively during installation.

[0021] A gear rack 19 is arranged between the material supporting tray 17 and the supporting disc 18, the gear rack 19 is driven to rotate by a rack driving air cylinder 21, and the material supporting tray 17 can rotate 180° relative to the supporting disc 18 through the gear rack 19; the lower part of the supporting disc 18 is uniformly provided with four linear bearings 23 and guide rods 24 fitted in the linear bearings 23, and the lower end surface of the supporting disc 18 is also connected with a weighing sensor 22, and the weighing sensor 22 displays data through a weight display screen 26 arranged on the side of the lifting air cylinder 3.

[0022] When the plummet installation device is used, first, the translation mechanism 30 drives the stand plate 2 to move to the final position along the sliding direction perpendicular to the supporting plate 8, the sliding plate 7 is raised to a set height by the lifting air cylinder 3, the screw rod 16 is fastened in the through hole of the material supporting tray 17, the screw rod 16 is perpendicular to the material supporting tray 17, the hanging ring rod 6 is installed on the hanging ring pin 5, the support plate 12 is moved, the hanging ring rod 6 at the top of the screw rod 16 is attracted by the magnet 15 in each clamp 14, the clamping jaw air cylinder 13 clamps the rod part of the screw rod 16 and the hanging ring rod 6, so that the hanging ring rod 6 is perpendicular to the material supporting tray 17 and is aligned with the center of the material supporting tray 17, The supporting plate 8 is folded, the center sliding groove of the plummet 10 is aligned with the hanging ring rod 6, and the eccentric hole of the plummet 10 is aligned with the screw rod 16, and then the plummet 10 is placed on the supporting plate 8. Then the clamp jaw is opened, the lifting cylinder 3 is lowered, the control sliding plate 7 is moved downwards, at this time the stripper plate is synchronously moved downwards, after reaching the bottom, the supporting plate 8 is opened to both sides, the plummet 10 falls into place, the lifting cylinder 3 is raised to the initial position, finally, after the first plummet 10 is loaded, the control weighing steering mechanism is rotated 180°, the above process is repeated until the required number of plummets 10 are stacked.

[0023] Finally, the screw rod 16 is loosened, the screw rod 16 supports the material bottom disc 17, and an insulating fixing ring is fastened at the upper end of the screw rod 16, and then a crane suspends the required number of plummets 10 through the lifting ring rod 6 to the destination.

[0024] Although the present application has been described in detail by the above embodiments, those skilled in the art should understand that various modifications and variations can be made to the above embodiments without departing from the technical principles of the present application, and these modifications and variations should also be considered as falling within the protection scope of the present application.

Claims

1. A weight mounting device, characterized in that, include: The bracket consists of a base plate (1) and a vertical plate (2) perpendicular to the base plate (1). A lifting cylinder (3) is located on the upper front of the vertical plate (2). The lifting cylinder (3) can drive the extension rod (4) used to suspend the lifting ring rod (6) to lift. The lifting and stacking mechanism is installed on the upright plate (2) and includes a sliding plate (7) that can slide up and down relative to the upright plate (2). The sliding plate (7) is provided with a pair of support plates (8) that are horizontally connected to the sliding plate (7). The support plates (8) are perpendicular to the sliding plate (7). The opposite sides of the two support plates (8) are provided with arc-shaped openings (9). When the support plates (8) are close together, the weight (10) can be placed on the support plates (8). The weighing and steering mechanism is fixed on the base plate (1) and located below the support plate (8). It includes a material support base (17) and a support plate (18) arranged from top to bottom. The material support base (17) can rotate 180° relative to the support plate (18). The upper end face of the material support base (17) is provided with a groove (20) that can support the bottom support plate (29) of the lifting ring rod (6). The material support base (17) is also provided with detachable screws (16). When the screw (16) is parallel to the vertical plate (2), and the lifting ring rod (6) is aligned with the sliding groove on the center of the weight (10) and hangs down naturally, the position of the screw (16) relative to the lifting ring rod (6) is the same as the position of the eccentric hole of the weight (10) relative to the center. After the eccentric hole and the center of the weight (10) are aligned with the screw (16) and the lifting ring rod (6) respectively, the weight (10) can slide down along the screw (16) and the lifting ring rod (6) to be supported by the support plate (29).

2. The weight installation device according to claim 1, characterized in that, The lifting cylinder (3) has extension rods (4) fixed on both sides perpendicular to the vertical plate (2), and a lifting ring pin (5) is connected between the extension rods (4). The lifting ring pin (5) is detachably connected to the top lifting ring of the lifting ring rod (6).

3. The weight installation device according to claim 1, characterized in that, At least two screws (16) are provided, and the material support base (17) is provided with through holes for fastening the screws (16).

4. The weight installation device according to claim 1, characterized in that, The upright plate (2) is provided with two vertical guide rails (27) along the Z-axis direction, and the sliding plate (7) is slidably connected to the vertical guide rails (27).

5. The weight installation device according to claim 1, characterized in that, The opening (9) is a stepped plate (25) near the opposite end. When the support plates (8) are close together, the weight (10) can be placed on the stepped plate (25) of the support plate (8).

6. The weight installation device according to claim 1, characterized in that, A weighing sensor (22) is also connected to the middle of the lower end face of the support plate (18). The weighing sensor displays data through the weight display screen (26) set on the side of the lifting cylinder (3). Four linear bearings (23) and guide rods (24) are evenly distributed on the lower part of the support plate (18).

7. The weight installation device according to claim 1, characterized in that, A gear rack (19) is provided between the material support base (17) and the support plate (18). The gear rack (19) is driven by a rack drive cylinder (21), and the material support base (17) can rotate 180° relative to the support plate (18) through the gear rack (19).

8. The weight installation device according to claim 1, characterized in that, The bottom sides of the upright plate (2) are fixed on the translation mechanism (30). The translation mechanism (30) can drive the upright plate (2) to move horizontally in the starting position and the ending position along the sliding direction perpendicular to the support plate (8). When the upright plate (2) is in the ending position, the upright plate (2) is close to the material support chassis (17), and the lifting ring rod (6) can be aligned with the center of the material support chassis (17) when it hangs down naturally.

9. A weight installation device according to claim 1, characterized in that, A pair of support plates (8) are provided with a support plate (12) at the bottom. The support plate (12) can move horizontally relative to the upright plate (2) in a sliding direction perpendicular to the support plate (8). A gripper cylinder (13) is provided between the support plate (12) and the bottom surface of the support plate (8). A slot (14) is provided on the side of the support plate (12) away from the upright plate (2). A magnet (15) is provided on the support plate (12) near the slot (14). The slot (14) and the gripper cylinder (13) are used to correct the verticality of the screw (16) relative to the material support base (17) when installing the screw (16), and to fix the lifting ring rod (6) so that the lifting ring rod (6) is perpendicular to the material support base (17) and aligned with the center of the material support base (17).

10. A method for installing a weight, characterized in that, The method of using the weight installation device as described in any one of claims 1-9 includes the following steps: S1. Raise the sliding plate (7) to the set height by lifting cylinder (3), erect the screw (16) on the material support base (17), install the positioning ring rod (6) on the end of the extension rod (4) away from the upright plate (2), operate the support plate (8) to close, align the center groove on the weight (10) with the ring rod (6) and align the eccentric hole of the weight (10) with the screw (16), and place the weight (10) on the support plate (8); S2. The lifting cylinder (3) descends, controlling the sliding plate (7) to move downwards. At this time, the support plate (8) moves downwards synchronously. After reaching the bottom, the support plate (8) opens to both sides, placing the weight (10) on the material support base (17). The lifting cylinder (3) rises back to the initial position. S3. After installing the first weight (10), control the material support base (17) of the weighing steering mechanism to rotate 180°; S4. Repeat the above S1-S3 process until the required number of weights (10) are stacked.