CN213658040U - Portable platform scale for road measurement - Google Patents

Abstract

The application discloses road is portable platform scale for measurement, including the electronic scale, be the adjustable stabilizer blade of triangle arrangement in the electronic scale below, have the weighing platform that is used for weighing on the electronic scale and be used for showing the electronic display screen of reading, still be provided with on the weighing platform and be used for the cover to be in weighing platform week side and top are used for preventing to be weighed the dust cover that the material scatters, the top of dust cover has the pan feeding mechanism that is used for one-way toward interior interpolation to be weighed the material to and set up the exhaust filtering mechanism that is used for getting rid of the air in the airtight space that encloses between dust cover and the weighing platform at the dust cover top. The utility model discloses a feed mechanism and the exhaust filtering mechanism that set up one-way feeding can carry out the feeding according to actual demand and adjust, simultaneously, through the real-time exhaust pressure-sharing of exhaust filtering mechanism, have avoided backflow gas to lead to the problem that powdery material scatters.

Description

Portable platform scale for road measurement

Technical Field

The utility model relates to a measuring tool field especially relates to the small-size measuring tool field of the accurate weighing of likepowder that easily flies, concretely relates to portable platform scale is used in road measurement.

Background

A platform balance is an instrument for weighing that is often used in a field or a laboratory, and functions to read the weight of an object. The existing platform scale is mainly an electronic scale, and also has a part of mechanical platform scale, and the mechanical platform scale is mainly a large-range platform scale but gradually transits to the electronic platform scale. Aiming at the field of road construction, a platform scale is also used for accurately weighing in a work shed built in a laboratory or a construction site, and the platform scale is used for verifying whether the strength of a concrete body solidified in a mixed proportion adopted by concrete meets the construction requirement, so that the content of various components is required to be weighed with high precision, and the strength of the concrete body obtained in the proportion is objectively reflected as far as possible.

Because the environment of job site is abominable relatively to not satisfy the no wind condition of accurate weighing, the current mode is to cover a windshield on the electronic scale bench to realize the purpose of keeping out the wind, avoid powdery material to volatilize and spill, scatter and lead to unable weighing or weigh inaccurately. However, in the actual weighing process, the materials with the specified weight cannot be obtained as required, and the main reason is that when the materials are placed in the weighing plate, the materials are not added completely, the materials can be volatilized, and if the whole weighing area is covered, the materials are not convenient to feed. Therefore, there is still room for improvement and improvement in the prior platform balance.

SUMMERY OF THE UTILITY MODEL

In order to solve the inconvenient problem of adding and accurately weighing that exists when weighing the meticulous material that easily waves to spill, easily fly to scatter of current platform scale technique, this application provides a portable platform scale for road measurement, and the design of weighing for the road construction material of main pertinence satisfies the demand of accurately weighing at the construction place.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the utility model provides a road is portable platform scale for measurement, includes the electronic scale, is the triangle and arranges the adjustable stabilizer blade in the electronic scale below, has the weighing platform that is used for weighing and the electronic display screen that is used for showing reading on the electronic scale, still be provided with on the weighing platform and be used for the sealing cover to be in weighing platform week side and top are used for preventing to be weighed the dust cover that the material scatters, the top of dust cover has the pan feeding mechanism that is used for one-way inside interpolation to be weighed the material to and set up the exhaust filtering mechanism that is used for getting rid of the air in the airtight space that encloses between dust cover and the weighing platform at the dust cover top. The working principle is as follows: when ordinary materials are weighed, the materials can be directly placed on the weighing platform based on the fixity of the materials, and the weighing can be finished through the reading displayed by the electronic scale. When the material is powdery and is a fine material or an extremely fine material which is easy to volatilize, the problem cannot be solved by adopting a common weighing mode, a dust cover needs to be arranged on a weighing platform in advance, then the reading of an electronic scale is initialized, the material is placed in a feeding mechanism, because the feeding mechanism adopts the structure that the materials pass through in a one-way, the feeding mechanism occupies the space inside the dust cover along with the continuous feeding of the materials, in order to avoid the increase of the air pressure in the dust cover, an exhaust filtering mechanism is particularly arranged on the dust cover, because the exhaust filtering mechanism is communicated with the inside and the outside of the dust cover to form a communicating vessel, when the materials continuously enter the dust cover through the feeding mechanism, and finally, the material falls on the weighing platform, so that the problem that the material is scattered in a large amount due to the fact that the material is taken away by backflow gas synchronously because the gas which is caused by the fact that the internal gas cannot be discharged flows back through the feeding mechanism is avoided.

In order to add the materials according to the actual demand and simultaneously avoid the materials to volatilize and fly, preferably, the feeding mechanism comprises an integrated feeding hopper arranged at the top of the dust cover, the lower end of the feeding hopper is connected with two mutually-jointed elastic sheets which are arranged oppositely, the side walls of the two ends of the feeding hopper extend downwards to form an extension part in contact with the elastic sheets, and the inner side wall of the extension part is provided with a pull strip which is used for enabling the two elastic sheets to be separated or closed in a sliding manner. The elastic sheets are mutually abutted and contacted in a natural state, gaps on two sides are sealed through the extending parts, and thus the whole feeding hopper is in a closed state; make two the shell fragment can do the action of opening and shutting under the effect of draw-off strip, when inserting between the shell fragment downwards along with the continuous pull strip, then two shell fragments of relative installation then slowly separate, and the material falls into on the weighing platform under through the clearance between two shell fragments, because go into to be covered by the material in the hopper, then the air that is located the dust cover escapes through exhaust filtering mechanism, according to the switching degree of the position control shell fragment of adjustment draw-off strip, with the interpolation speed of realization material. Due to the sealing of the dust cover, the problem of abnormal volatilization or scattering of the materials is not needed to be worried, and the materials finally fall on the weighing platform after standing still.

In order to reduce the volatilization and scattering of the powdery materials in the weighing process as much as possible, preferably, the exhaust filtering mechanism comprises a U-shaped pipe, one end of the U-shaped pipe is arranged in the dust cover, the other end of the U-shaped pipe penetrates through the top of the dust cover and extends outwards to be connected with the filtering box, and the exhaust end of the filtering box is also connected with an exhaust pipe; the end face of the free end of the U-shaped pipe is close to the inner top of the dust cover. Because be close to the dust cover top more, the powdery material that flies off is less, consequently, the interior top setting that is close to the dust cover with the free end of U type pipe improves the weighing precision, satisfies the important structural design of exhaust demand simultaneously, and the free end of U type pipe is close to the weighing platform more then easily inhales the powdery dispersed material powder in the carminative in-process into U type pipe, consequently, under the demand prerequisite that satisfies the exhaust, the free end terminal surface of U type pipe is close to the interior top of dust cover more then theoretical technological effect is better.

In order to better play the filter effect, avoid powdery material to fly off to the environment in the carminative in-process of interpolation and cause the pollution, preferably, the filter screen frame that has the pull setting in the filter box, place the filtration cotton that is used for filtering the dust in the filter screen frame. Carry out its mechanism setting of mode of pull installation through the screen frame and aim at improving the convenience when changing or clearing up the filter pulp.

In order to provide a stable windless weighing environment, it is preferable that a sealing platform is arranged on the electronic scale, and a windshield is arranged to match with the sealing platform for sealing and covering.

In order to avoid being influenced by the construction site environment and avoid reducing the weighing precision caused by equipment installation errors, preferably, the upper surface of the electronic scale is provided with two gradienters which are perpendicular to each other, and the axial direction of any one gradienter is parallel to the connecting line between two adjacent adjustable supporting legs.

In order to reduce the flying and the splashing of the materials as much as possible, the clearance between the end surface of the free end of the U-shaped pipe and the inner top of the dust cover is 0.5-1 mm.

In order to better achieve the filtering effect, preferably, the filter cotton is composed of non-woven cotton cloth arranged outside and microporous sponge wrapped inside. The non-woven cotton cloth has high filter effect, and the micropore sponge mainly plays and blocks the effect with keeping in the powdery material, utilizes a large amount of gaps of micropore sponge to save the dust, can satisfy carminative requirement while, uses for a long time, needn't change frequently.

Advantageous effects

The utility model discloses a feed mechanism and the exhaust filtering mechanism that set up one-way feeding can carry out the feeding according to actual demand and adjust, simultaneously, through the real-time exhaust pressure-sharing of exhaust filtering mechanism, have avoided backflow gas to lead to the problem that powdery material scatters. The utility model discloses be equipped with the dust cover that is used for preventing powdery material from scattering simultaneously and be used for the accurate wind cap of weighing, can weigh the demand according to the material of difference and select, satisfy and weigh the accurate weighing of the relatively abominable job site of environment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an exploded view of the inverted visual structure of FIG. 1;

FIG. 3 is an isometric view of the assembled state of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a sectional view taken along the line A-A in FIG. 4;

FIG. 6 is an enlarged view of the structure of region C in FIG. 5 (the spring plate is in the open feeding state);

FIG. 7 is the spring plate of FIG. 6 in a closed position;

fig. 8 is a sectional view taken along a section symbol B-B in fig. 4.

In the figure: 1-adjustable support legs; 2-electronic scale; 3-a level meter; 4-a sealing table; 5-a weighing platform; 6-a dust cover; 7-a feeding mechanism; 71-a draw-off strip; 72-feeding a hopper; 73-spring plate; 74-an extension; 8-an exhaust gas filtering mechanism; 81-U-shaped tube; 82-a filter cartridge; 83-a strainer holder; 84-filter cotton; 85-exhaust pipe; 9-windshield.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the portable platform scale for road measurement shown in the attached drawings of the specification and figures 1-4 comprises an electronic scale 2, adjustable support legs 1 arranged below the electronic scale 2 in a triangular shape, a weighing platform 5 used for weighing and an electronic display screen used for displaying reading are arranged on the electronic scale 2, a dust cover 6 used for covering the periphery and above the weighing platform 5 and preventing the weighed materials from flying apart is further arranged on the weighing platform 5, a feeding mechanism 7 used for adding the weighed materials in a one-way mode is arranged above the dust cover 6, and an exhaust filtering mechanism 8 arranged at the top of the dust cover 6 and used for exhausting air in a closed space enclosed between the dust cover 6 and the weighing platform 5.

The working principle is as follows: when ordinary materials are weighed, the materials can be directly placed on the weighing platform 5 based on the fixity of the materials, and the weighing can be finished through the reading displayed by the electronic scale 2. When the material is powdery, such as fine material which is easy to volatilize such as cement or additive, or extremely fine material, the problem can not be solved by adopting a common weighing mode, a dust cover 6 is required to be arranged on a weighing platform 5 in advance, then the reading of the electronic scale 2 is initialized, the material is placed in a feeding mechanism 7, as the feeding mechanism 7 adopts the structure that the material is in one-way passing, the space inside the dust cover 6 is occupied along with the continuous entering of the material, in order to avoid the continuous increase of the air pressure intensity in the space inside the dust cover 6, an exhaust filtering mechanism 8 is particularly arranged on the dust cover 6, as the exhaust filtering mechanism 8 is communicated with the inside and the outside of the dust cover 6 to form a communicating vessel, the material continuously enters the dust cover 6 through the feeding mechanism 7 and finally falls onto the weighing platform 5, the gas caused by the incapability of exhausting the internal gas is prevented from flowing back, the material is synchronously taken away by the backflow gas, so that the problem of mass scattering of the material is caused.

Example 2:

in order to add materials according to actual needs and avoid scattering of the materials, in this embodiment, based on the structure and principle shown in embodiment 1 and further shown in fig. 4 and 8, the feeding mechanism 7 includes a feeding hopper 72 integrally disposed at the top of the dust cover 6, the lower end of the feeding hopper 72 is connected to two oppositely disposed elastic sheets 73 attached to each other, the side walls at the two ends of the feeding hopper 72 extend downward to form an extending portion 74 contacting with the elastic sheets 73, and the inner side wall of the extending portion 74 is slidably provided with a pull strip 71 for separating or closing the two elastic sheets 73. The elastic sheets 73 are mutually abutted and contacted in a natural state, and gaps on two sides are sealed through the extending parts 74, so that the whole feeding hopper 72 is in a closed state; based on the upper and lower slip of pull strip 71, make two shell fragment 73 can do the action of opening and shutting under the effect of pull strip 71, work as along with the continuous downward insertion between the shell fragment 73 of pull strip 71, then two shell fragments 73 of relative installation are then slowly separated, the material falls into on weighing platform 5 directly below through the clearance between two shell fragments 73, because go into the hopper 72 in by the material cover, then the air that is located dust cover 6 escapes through exhaust filter mechanism 8, according to the opening and closing degree of adjustment pull strip 71's position control shell fragment 73, in order to realize the interpolation speed of material. Due to the sealing of the dust cover 6, the problem of abnormal volatilization or scattering of the materials does not need to be worried, and the materials finally fall on the weighing platform 5 after standing still.

In order to reduce the volatilization and scattering of the powdery material during the weighing process as much as possible, in the embodiment, the exhaust filtering mechanism 8 comprises a U-shaped pipe 81, one end of which is arranged inside the dust cover 6, and the other end of which penetrates through the top of the dust cover 6 and extends outwards to be connected with a filtering box 82, and an exhaust pipe 85 is further connected to the exhaust end of the filtering box 82; the end surface of the free end of the U-shaped pipe 81 is arranged close to the inner top of the dust cover 6. The more the free end of the U-shaped pipe 81 is close to the inner top of the dust cover 6, the less scattered powdery material is, so that the weighing precision is improved, and meanwhile, the important structural design for meeting the exhaust requirement is realized.

In order to better play a filtering effect and avoid pollution caused by scattering of powdery materials to the environment in the process of adding exhaust gas, a filter screen frame 83 is arranged in the filter box 82 in a drawing manner, and filter cotton 84 for filtering dust is placed in the filter screen frame 83. The arrangement of the mechanism in the manner of a pull-out installation through the strainer holder 83 is intended to improve the ease of replacement or cleaning of the filter cloths 84.

In order to provide a stable windless weighing environment, a sealing platform 4 is arranged on the electronic scale 2, and a windshield 9 matched with the sealing platform 4 and used for sealing and covering is arranged.

In order to avoid being influenced by the construction site environment and avoid reducing the weighing precision due to equipment installation errors, the upper surface of the electronic scale 2 is provided with two gradienters 3 which are perpendicular to each other, and the axial direction of any one gradienter 3 is parallel to the connecting line between two adjacent adjustable supporting legs 1.

In order to reduce the scattering and the volatilization of the materials as much as possible, the clearance between the free end face of the U-shaped pipe 81 and the inner top of the dust cover 6 is 0.5-1 mm.

For better filtering effect, the filter cotton 84 is composed of non-woven cotton cloth arranged outside and microporous sponge wrapped inside. The non-woven cotton cloth has high filtering effect, and the microporous sponge mainly plays a role in blocking and temporarily storing powdery materials and is utilized.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. The utility model provides a road survey is with portable platform scale, includes electronic scale (2), is adjustable stabilizer blade (1) of triangle arrangement in electronic scale (2) below, has weighing-platform (5) that are used for weighing and the electronic display screen that is used for showing the reading on electronic scale (2), its characterized in that: the weighing platform (5) is further provided with a dust cover (6) used for covering the periphery and the upper side of the weighing platform (5) and preventing the weighed materials from flying, a feeding mechanism (7) used for adding the weighed materials in a one-way mode is arranged above the dust cover (6), and an exhaust filtering mechanism (8) arranged at the top of the dust cover (6) and used for exhausting air in a closed space enclosed between the dust cover (6) and the weighing platform (5).

2. The portable platform scale for road measurement according to claim 1, wherein: the feeding mechanism (7) comprises a feeding hopper (72) integrally arranged at the top of the dust cover (6), the lower end of the feeding hopper (72) is connected with two oppositely-arranged elastic sheets (73) which are mutually attached, the side walls of the two ends of the feeding hopper (72) extend downwards to form an extending portion (74) which is in contact with the elastic sheets (73), and the inner side wall of the extending portion (74) is provided with a drawing strip (71) which is used for enabling the two elastic sheets (73) to be separated or closed in a sliding mode.

3. A portable platform scale for road measurement according to claim 1 or 2, characterized in that: the exhaust filtering mechanism (8) comprises a U-shaped pipe (81) with one end arranged inside the dust cover (6) and the other end penetrating through the top of the dust cover (6) and extending outwards to be connected with a filtering box (82), and the exhaust end of the filtering box (82) is also connected with an exhaust pipe (85); the end face of the free end of the U-shaped pipe (81) is close to the inner top of the dust cover (6).

4. The portable platform scale for road measurement according to claim 3, wherein: the filter box is characterized in that a filter screen frame (83) is arranged in the filter box (82) in a drawing mode, and filter cotton (84) used for filtering dust is placed in the filter screen frame (83).

5. The portable platform scale for road measurement according to claim 4, wherein: the electronic scale (2) is provided with a sealing platform (4) and a windproof cover (9) which is matched with the sealing platform (4) and used for sealing and covering.

6. The portable platform scale for road measurement according to claim 1, wherein: the upper surface of the electronic scale (2) is provided with two gradienters (3) which are vertical to each other, and the axial direction of any gradienter (3) is parallel to a connecting line between two adjacent adjustable supporting legs (1).

7. The portable platform scale for road measurement according to claim 3, wherein: the distance between the free end surface of the U-shaped pipe (81) and the inner top of the dust cover (6) is 0.5-1 mm.

8. The portable platform scale for road measurement according to claim 4, wherein: the filter cotton (84) is composed of non-woven cotton cloth arranged outside and microporous sponge wrapped inside.

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