Scale body limiting protection mechanism and weighing system

文档序号:5642 发布日期:2021-09-17 浏览:54次 中文

1. The utility model provides a spacing protection mechanism of balance body, includes weighbridge base (1), weighing platform (2), elastic baffle (3), spacing subassembly (4), riser I (5) and riser II (6), weighing platform (2) are located weighbridge base (1), and the both ends of weighing platform (2) all are equipped with elastic baffle (3), and elastic baffle (3) and weighbridge base (1) contact, its characterized in that:

the limiting assembly (4) comprises supporting assemblies (41) and a supporting frame (42), the two supporting assemblies (41) are arranged in a cross manner, each supporting assembly (41) comprises a guide rail (411), a sliding block (412), a top plate (413) and a connecting rod (414), the two sliding blocks (412) are installed in the guide rails (411) in a matching manner, the sliding blocks (412) are hinged with the connecting rods (414), the top plates (413) are arranged on the side surfaces of the sliding blocks (412), the connecting rods (414) in the supporting assemblies (41) on the upper side in the two supporting assemblies (41) are hinged with the guide rails (411) in the supporting assemblies (41) on the lower side, the connecting rods (414) in the supporting assemblies (41) on the lower side are hinged with the guide rails (411) in the supporting assemblies (41) on the upper side, the connecting rods (414) in the supporting assemblies (41) are arranged in an inclined manner, and the guide rails (411) in the supporting assemblies (41) on the upper side are connected with the bottom of the weighing platform (2), the guide rail (411) in the supporting component (41) positioned on the lower side is connected with the supporting frame (42), the supporting frame (42) is rotatably arranged on the wagon balance base (1), and the supporting frame (42) is provided with an anti-deviation component for limiting the rotating angle of the supporting frame;

the two vertical plates I (5) and the two vertical plates II (6) are oppositely arranged on the wagon balance base (1), wherein the vertical plates I (5) and the vertical plates II (6) enclose an unsealed rectangle, a top plate (413) in the supporting component (41) positioned on the upper side faces the inner side of the vertical plate I (5), and a top plate (413) in the supporting component (41) positioned on the lower side faces the inner side of the vertical plate II (6).

2. The scale body limiting and protecting mechanism according to claim 1, characterized in that: the anti-deviation assembly is composed of a stop lever (43), a connecting arm (44) and a clamping seat (45), the stop lever (43) is movably mounted in a through hole in the supporting frame (42), one end of the connecting arm (44) is connected with the stop lever (43), the other end of the connecting arm is connected with a sliding block (412) in the limiting assembly (4) located on the upper side, the clamping seat (45) is arranged on the wagon balance base (1), and the stop lever (43) can be clamped inside the clamping seat (45) when extending outwards.

3. The scale body limiting and protecting mechanism according to claim 2, characterized in that: the clamping seat (45) is U-shaped, and the central axis of the stop lever (43) is opposite to the U-shaped groove at the center of the clamping seat (45).

4. The scale body limiting and protecting mechanism according to claim 1, characterized in that: the two top plates (413) in the supporting assembly (41) positioned on the upper side correspond to the two vertical plates I (5) one by one, and the two top plates (413) in the supporting assembly (41) positioned on the lower side correspond to the two vertical plates II (6) one by one.

5. The scale body limiting and protecting mechanism according to claim 1, characterized in that: the support assembly (41) further comprises a spring (415), wherein two ends of the spring (415) are connected with the two sliding blocks (412).

6. The scale body limiting and protecting mechanism according to claim 1, characterized in that: two connecting rods (414) in the limiting component (4) are arranged in a splayed shape.

7. A weighing system, characterized in that, comprises a scale body limiting protection mechanism of any one of claims 1-6.

Background

The truck scale is in the use, when weighing load is heavier, can bring very big longitudinal impact force for the truck scale, will symmetrical weighing sensor cause the damage when the weight of the vehicle of weighing is greater than the limit of weighing, consequently needs spacing protection machanism to protect it.

Publication number CN212133819U discloses an anti-collision limiting device for truck scale capable of performing multi-parameter measurement. The balance is mutually neutralized with longitudinal impact force on the balance body under the combined action of the elastic force of the spring slide rail on the fixing plate and the thrust of the buffer spring on the connecting plate, so that the damage to surrounding walls caused by the impact force on the balance body is reduced as much as possible, the balance body and the walls are protected from being damaged, and the service life of the truck scale is prolonged. However, the above prior art only performs the limit protection in the transverse direction, and the truck scale is under the action of the downward pressure, so the above prior art cannot realize the limit protection in the vertical direction.

Disclosure of Invention

The invention aims to provide a scale body limiting protection mechanism and a weighing system, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a spacing protection mechanism of balance body, includes weighbridge base, weighing platform, elastic baffle, spacing subassembly, riser I and riser II, the weighing platform is located the weighbridge base, and the both ends of weighing platform all are equipped with elastic baffle, and elastic baffle and weighbridge base contact, wherein:

the limiting assembly comprises supporting assemblies and a supporting frame, the two supporting assemblies are arranged in a cross manner, each supporting assembly comprises a guide rail, a sliding block, a top plate and a connecting rod, the two sliding blocks are installed in the guide rails in a matched mode, the connecting rods are hinged to the sliding blocks, the top plate is arranged on the side faces of the sliding blocks, the connecting rod in the supporting assembly located on the upper side of the two supporting assemblies is hinged to the guide rail in the supporting assembly located on the lower side of the two supporting assemblies, the connecting rod in the supporting assembly located on the lower side of the two supporting assemblies is hinged to the guide rail in the supporting assembly located on the upper side of the two supporting assemblies, the connecting rod in the supporting assembly is arranged in an inclined mode, the guide rail in the supporting assembly located on the upper side of the two supporting assemblies is connected with the bottom of the weighing platform, the guide rail in the supporting assembly located on the lower side of the two supporting assemblies is connected with the supporting frame, the supporting frame is rotatably installed on the wagon balance base, and an anti-off-set assembly used for limiting the rotating angle of the supporting frame is arranged on the supporting frame;

the two vertical plates I and the two vertical plates II are oppositely arranged on the wagon balance base, the vertical plates I and the vertical plates II enclose an unsealed rectangle, the top plate in the supporting component on the upper side faces the inner side of the vertical plates I, and the top plate in the supporting component on the lower side faces the inner side of the vertical plates II.

Preferably, the anti-deviation assembly comprises a stop lever, a connecting arm and a clamping seat, the stop lever is movably mounted in a through hole in the supporting frame, one end of the connecting arm is connected with the stop lever, the other end of the connecting arm is connected with a sliding block in the limiting assembly located on the upper side, the clamping seat is arranged on the wagon balance base, and the stop lever can be clamped inside the clamping seat when extending outwards.

Preferably, the clamping seat is U-shaped, and the central axis of the stop lever is opposite to the U-shaped groove at the center of the clamping seat.

Preferably, the two top plates in the supporting component on the upper side correspond to the two vertical plates I one by one, and the two top plates in the supporting component on the lower side correspond to the two vertical plates II one by one.

Preferably, the support assembly further comprises a spring, wherein two ends of the spring are connected with the two sliding blocks.

Preferably, two connecting rods in the limiting assembly are arranged in a splayed manner.

A weighing system comprises the scale body limiting protection mechanism.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the weighing platform is supported by the two crossed supporting components, so that when an article exceeding the load limit of the weighing platform is placed on the weighing platform, the two supporting components are pressed down to be close to each other, the top plate can be propped against the vertical plate, further displacement of the vertical plate is avoided, the limiting protection effect is achieved, the situation that the weighing sensor is damaged due to overlarge weight of the weighing platform can be avoided, the weighing platform is pushed to rotate when the weighing platform is subjected to axial force, and the deflection preventing component can avoid overlarge rotation angle of the supporting frame, so that the torsion limiting effect is achieved.

Drawings

FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a three-dimensional schematic view of a spacing assembly of the present invention;

in the figure: 1 weighbridge base, 2 weighing platforms, 3 elastic baffles, 4 limiting assemblies, 5 vertical plates I, 6 vertical plates II, 41 supporting assemblies, 42 supporting frames, 43 stop levers, 44 connecting arms, 45 clamping seats, 411 guide rails, 412 sliders, 413 top plates, 414 connecting rods and 415 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a spacing protection mechanism of balance body, includes weighbridge base 1, weighing platform 2, elastic baffle 3, spacing subassembly 4, riser I5 and riser II 6, wherein:

the weighing platform 2 is positioned on the wagon balance base 1, the two ends of the weighing platform 2 are respectively provided with the elastic baffle 3, the elastic baffles 3 are in contact with the wagon balance base 1, and therefore the weighing platform 2 is in flexible contact with the wagon balance base 1 to realize small-amplitude displacement;

the limiting component 4 comprises a supporting component 41 and a supporting frame 42, the two supporting components 41 are arranged in a crisscross manner, the supporting component 41 comprises a guide rail 411, a sliding block 412, a top plate 413, a connecting rod 414 and a spring 415, the two sliding blocks 412 are installed in the guide rail 411 in a matching manner, further, the sliding block 412 forms a moving pair in the guide rail 411, the spring 415 is arranged between the two sliding blocks 412, two ends of the spring 415 are respectively and fixedly connected with the two sliding blocks 412, the sliding blocks 412 are hinged with the connecting rod 414, the top plate 413 is arranged on the side surface of the sliding block 412, the connecting rod 414 in the supporting component 41 positioned on the upper side in the two supporting components 41 is hinged with the guide rail 411 in the supporting component 41 positioned on the lower side, the connecting rod 414 in the supporting component 41 positioned on the lower side is hinged with the guide rail 411 in the supporting component 41 positioned on the upper side, the connecting rod 414 in the supporting component 41 is arranged in an inclined manner, wherein the two connecting rods 414 in the same supporting component 41 are arranged in a splayed manner, the guide rail 411 in the support unit 41 located at the upper side is connected to the bottom of the weighing platform 2, while the guide rail 411 in the support unit 41 located at the lower side is connected to the support frame 42, and the support members 41 located at the upper side are moved toward the direction close to the support members 41 located at the lower side when the weighing platform 2 receives the downward pressure of the goods, the support frame 42 is rotatably installed on the platform base 1, wherein the supporting frame 42 is provided with an anti-deviation component for limiting the rotation angle of the supporting frame, the anti-deviation component consists of a stop lever 43, a connecting arm 44 and a clamping seat 45, the stop lever 43 is movably arranged in a through hole on the supporting frame 42, one end of the connecting arm 44 is connected with the stop lever 43, the other end is connected with a sliding block 412 in the limiting component 4 positioned at the upper side, the clamping seat 45 is arranged on the wagon balance base 1, the clamping seat 45 is U-shaped, the central axis of the stop lever 43 faces the U-shaped groove at the center of the clamping seat 45, and the stop lever 43 can be clamped in the clamping seat 45 when extending outwards;

two risers I5 and two riser II 6 all are the opposition setting on weighbridge base 1, wherein riser I5 and riser II 6 enclose into an unclosed rectangle, and the roof 413 that is located in the support component 41 of upside is just facing the inboard of riser I5, the roof 413 that is located in the support component 41 of downside is just facing the inboard of riser II 6, two roofs 413 that are located in the support component 41 of upside correspond with two risers I5 one-to-one, two roofs 413 that are located in the support component 41 of downside and two risers II 6 one-to-one, can laminate the medial surface at riser I5 when the roof 413 that is located in the support component 41 of upside stretches out, can laminate the medial surface at riser II 6 when the roof 413 that is located in the support component 41 of downside stretches out.

Weighing system, including above-mentioned spacing protection mechanism of balance body

The working principle of the invention is as follows: when a vehicle needs to be weighed, the vehicle can directly run onto the weighing platform 2, the load of the vehicle is large, and therefore the weighing platform 2 can be directly pressed downwards, the weighing platform 2 can be matched with the sensor to obtain the weight of the load, when the load is too large, the sensor can be damaged, the weighing platform 2 needs to be provided with overload protection, when the load is larger, the descending distance of the weighing platform 2 is larger, at the moment, the support component 41 on the upper side can downwards displace, the connecting rods 414 in the two support components 41 both outwards expand, the connecting rods 414 drive the sliding blocks 412 to outwards displace, then the two sliding blocks 412 in the same support component 41 move towards the direction of mutual separation, at the moment, the top plate 413 connected with the sliding blocks 412 outwards moves, then the top plate 413 in the support component 41 on the upper side is attached to the inner side face of the vertical plate I5, and when the top plate 413 in the support component 41 on the lower side is attached to the inner side face of the vertical plate II 6, the upper side supporting component 41 is limited, further descending can be avoided, and the limiting protection effect is achieved;

and the vehicle is gone to and can not guarantee to be parallel with weighing platform 2 side on weighing platform 2, then will produce a torsional force to weighing platform 2 when the vehicle drives into weighing platform 2 and takes braking measure, then weighing platform 2 passes through supporting component 41 and transmits the torsional force to support frame 42 on, support frame 42 will produce the rotation this moment, and the vehicle drives into and must push down weighing platform 2 behind weighing platform 2, slider 412 that is located supporting component 41 this moment still can outwards move, slider 412 that is located upside supporting component 41 then drives linking arm 44 and moves, and then linking arm 44 drives pin 43 overhanging, pin 43 gets into inside the cassette 45 this moment, and then can hinder weighing platform 2 to twist excessively, reach spacing effect of protecting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

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