Hydraulic lifting truck scale

By designing hydraulic lifting and car balance, using hydraulic devices to drive scissors and fork components to lift and flatness the platform, and ensuring weighing accuracy through multiple weighing sensors, the problem that existing floor scale equipment cannot adapt to cargo stacking adjustments, and improve loading and unloading efficiency and operating stability.

CN223032995UActive Publication Date: 2025-06-27DONPCRANES(CHANGZHOU) CO LTD
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Patent Information

Application Number
CN202422023704.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-06-27
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The existing floor scale weighing equipment cannot adapt to the adjustment of the cargo stacking process and needs to be hoisted with large cranes, resulting in low loading and unloading efficiency and complex operation.

Method used

Design a hydraulic lifting vehicle scale, including a hydraulic platform, a hydraulic lifting device and a weighing sensor. The hydraulic platform drives the scissors and fork assembly to telescope through hydraulic devices to achieve lifting and flatness of the platform; the hydraulic interlock valve and energy accumulator are used for long-term pressure-keeping locking; multiple weighing sensors ensure the accuracy and timeliness of weighing.

Benefits of technology

It realizes the flexible lifting and flatness of the platform during cargo loading and unloading, improves loading and unloading efficiency and operating stability, and ensures the accuracy and timeliness of weighing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of truck loading and unloading, in particular to a hydraulic lifting truck scale which comprises a hydraulic platform, hydraulic lifting devices are symmetrically and fixedly installed on the left side and the right side of the lower end of the hydraulic platform, and each hydraulic lifting device comprises a hydraulic base support, a shear fork assembly, a connecting rod and a hydraulic device. A plurality of shear fork assemblies are installed at the upper end of the hydraulic base support in a limiting and sliding mode, the connecting rods are driven by hydraulic devices, and the hydraulic devices are externally provided with hydraulic interlocking valves and energy accumulators. When the lifting platform is used, the shear fork assembly fixed by the connecting rod is pushed by the hydraulic device to change the angle, the shear fork assembly is stretched out and drawn back, and the connecting rod is adopted for synchronization, so that the lifting flatness of the platform is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of truck loading and unloading, in particular to a hydraulic lifting truck scale. Background Art

[0002] The truck scale, also known as the vehicle scale in English, is a large weighing scale set on the ground and is usually used to weigh the load tonnage of trucks. It is the main weighing equipment for factories, mines, merchants, etc. to measure bulk goods.

[0003] In the field of truck loading and unloading, since the weighing of the truck scale used is at a fixed position on the table, it is impossible to make adaptive adjustments to the process of stacking goods, and usually a large crane needs to be used for hoisting. Therefore, those skilled in the art have provided a hydraulic lifting truck scale to solve the problems raised in the above background art. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a hydraulic lifting truck scale, which includes a hydraulic platform. Hydraulic lifting devices are symmetrically and fixedly installed on the left and right sides at the lower end of the hydraulic platform. The hydraulic lifting device includes a hydraulic base bracket, a scissor fork assembly, a connecting rod, and a hydraulic device. A number of groups of scissor fork assemblies are installed on the upper end of the hydraulic base bracket with limited sliding. The connecting rods are driven by a hydraulic device. The hydraulic device is externally equipped with a hydraulic interlock valve and an accumulator, and after hydraulic driving by the hydraulic interlock valve and the accumulator, long-term pressure-holding locking work is carried out.

[0005] Preferably: A weighing platform is arranged above the hydraulic platform, and the whole set of hydraulic lifting truck scale is placed in a pit dug in the ground, so that the tabletop at the highest lifting point of the lifting weighing platform is flush with the ground.

[0006] Preferably: A number of weighing sensors are evenly and fixedly installed along the edge between the upper end surface of the hydraulic platform and the weighing platform. The weighing sensors ensure that the weighing accuracy reaches 0.1%. Using multiple weighing sensors to weigh goods can effectively ensure the accuracy and timeliness of weighing.

[0007] Preferably: The hydraulic base bracket is welded by a number of angle steels.

[0008] Preferably: The front and rear symmetric scissor fork assemblies are linked by connecting rods, so that when the scissor fork assemblies are synchronously telescoping, the flatness of the platform is ensured.

[0009] Preferably: The hydraulic device needs to ensure hydraulic synchronization to ensure that the platform error is ±5 mm.

[0010] The technical effects and advantages of the utility model:

[0011] 1. When the utility model is in use, the scissor fork assembly fixed by the connecting rod is pushed by the hydraulic device to change the angle, realizing the telescopic movement of the scissor fork assembly, and the connecting rod is used for synchronization, thereby increasing the flatness of the platform lifting.

[0012] 2. When the utility model is in use, during this process, the use height during the loading of the calibrated truck is adjusted, and then hydraulic locking is performed through the hydraulic interlock valve, and the accumulator is used for long-term pressure holding work, thereby ensuring the stability of loading and increasing the practicability.

[0013] 3. When the utility model is in use, multiple evenly distributed weighing sensors are used for weighing, ensuring the accuracy and timeliness of weighing. Brief Description of the Drawings

[0014] Figure 1 is the structural schematic diagram provided by this application;

[0015] Figure 2 is the structural schematic diagram of the weighing sensor provided by this application;

[0016] Figure 3 is the structural schematic diagram of the hydraulic lifting device provided by this application;

[0017] In the figure: 1, weighing platform; 2, weighing sensor; 3, hydraulic platform; 4, hydraulic lifting device; 41, hydraulic base bracket; 42, scissor fork assembly; 43, connecting rod; 44, hydraulic device. Detailed Embodiment

[0018] The following further describes the present utility model in detail with reference to the drawings and specific embodiments. The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limited to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0019] Please refer to Figures 1 to 3 , in this embodiment, a hydraulic lifting truck scale is provided, including a hydraulic platform 3. A weighing platform 1 is arranged above the hydraulic platform 3, and the whole hydraulic lifting truck scale is placed in a pit dug in the ground, so that the tabletop at the highest lifting point of the weighing platform 1 is flush with the ground. A number of weighing sensors 2 are evenly bolted and fixed along the edge between the upper end surface of the hydraulic platform 3 and the weighing platform 1. The weighing sensors 2 ensure that the weighing accuracy reaches 0.1%. Using multiple weighing sensors 2 to weigh the goods can effectively ensure the accuracy and timeliness of weighing. Hydraulic lifting devices 4 are symmetrically and fixedly installed on the left and right sides at the lower end of the hydraulic platform 3;

[0020] The hydraulic lifting device 4 includes a hydraulic base bracket 41, a scissor fork assembly 42, a connecting rod 43 and a hydraulic device 44. The hydraulic base bracket 41 is welded by a plurality of angle steels. A plurality of groups of scissor fork assemblies 42 are installed on the upper end of the hydraulic base bracket 41 in a limited sliding manner. The scissor fork assemblies 42 that are symmetrically arranged front and back are linked by a connecting rod 43, so as to ensure the flatness of the platform during the synchronous telescopic process of the scissor fork assemblies 42. The connecting rods 43 are driven by a hydraulic device 44. The hydraulic device 44 is externally equipped with a hydraulic interlock valve and an accumulator, and the hydraulic interlock valve and the accumulator are used for hydraulic drive and then long-term pressure-holding locking work. The hydraulic device 44 needs to ensure hydraulic synchronization and ensure that the platform error is ±5 mm.

[0021] The working principle of the present utility model is as follows:

[0022] When the present utility model is in use, the hydraulic device 44 is used to push the scissor fork assembly 42 fixed by the connecting rod 43 to change the angle, so as to realize the telescopic movement of the scissor fork assembly 42, and the connecting rod 43 is used for synchronization, thereby increasing the flatness of the platform lifting. During this process, the use height during the loading process of the calibrated truck is adjusted, and then hydraulic locking is carried out through the hydraulic interlock valve, and at the same time, the accumulator is used for long-term pressure-holding work, so as to ensure the stability of loading and increase the practicability. At the same time, multiple uniformly distributed weighing sensors are used for weighing to ensure the accuracy and timeliness of weighing.

[0023] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative work shall fall within the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, shall be implemented according to the conventional means in the art.

Claims

1. A hydraulic lifting truck scale, comprising a hydraulic platform (3), characterized in that: A hydraulic lifting device (4) is symmetrically fixedly installed on the left and right sides of the lower end of the hydraulic platform (3), and the hydraulic lifting device (4) comprises a hydraulic base support (41), a scissor fork assembly (42), a connecting rod (43) and a hydraulic device (44). A plurality of groups of scissor fork assemblies (42) are limitedly slidably installed on the upper end of the hydraulic base support (41), and the connecting rods (43) are driven by a hydraulic device (44). The hydraulic device (44) is externally equipped with a hydraulic interlocking valve and an accumulator.

2. The hydraulic lifting truck scale according to claim 1, characterized in that: A weighing platform (1) is arranged above the hydraulic platform (3) and is placed in a pit dug on the entire hydraulic lifting truck scale, so that the tabletop at the highest lifting point of the lifting weighing platform (1) is flush with the ground.

3. The hydraulic lifting truck scale according to claim 1, characterized in that: A plurality of weighing sensors (2) are evenly bolted and installed along the edge between the upper end surface of the hydraulic platform (3) and the weighing platform (1), and the weighing sensors (2) ensure that the weighing accuracy reaches 0.1%.

4. The hydraulic lifting truck scale according to claim 1, characterized in that: The hydraulic base support (41) is welded from a plurality of angle steels.

5. The hydraulic lifting truck scale according to claim 1, characterized in that: The front and rear symmetrical scissor fork assemblies (42) are linked by a connecting rod (43).

6. The hydraulic lifting truck scale according to claim 1, characterized in that: The hydraulic device (44) must ensure hydraulic synchronization and a platform error of ±5 mm.