Concrete production weighing device convenient for scale calibration

Abstract

A concrete production weighing device facilitating scale calibration comprises a supporting frame, a plurality of weighing devices installed on the supporting frame, a scale hopper pressing the weighing devices downwards, an electric control discharging valve installed at the bottom of the scale hopper, positioning frames installed on the two sides of the scale hopper and auxiliary frames matched with the positioning frames, and the auxiliary frames can be freely disassembled and assembled on the positioning frames. The positioning frame comprises a fixing plate, a supporting plate connected to the fixing plate and a reinforcing plate connecting the fixing plate and the supporting plate, a plurality of clamping holes are formed in the supporting plate, the clamping holes are evenly formed in the extending direction of the supporting plate at intervals, and each clamping hole comprises a clamping-in section and a limiting section; the auxiliary frame comprises a bottom plate, a plurality of hanging ropes and a plurality of steel balls, the hanging ropes are divided into two rows and arranged on the two sides of the bottom plate, the hanging ropes and the steel balls are in one-to-one correspondence, the hanging ropes penetrate through the steel balls, the bottoms of the hanging ropes and the bottom plate are installed and fixed, and clamping heads are arranged at the tops of the hanging ropes; by arranging the positioning frames arranged on the two sides of the scale hopper and the auxiliary frames matched with the positioning frames, the scale is directly placed on the bottom plate of the auxiliary frame at a relatively low position during scale calibration, so that the difficulty during scale calibration is effectively reduced, and potential safety hazards are effectively eliminated.

Description

Technical Field

[0001] The utility model relates to a weighing device, in particular to a concrete production weighing device which is convenient for calibrating scales. Background Art

[0002] The measuring accuracy of the weighing scale is a key factor in ensuring the quality of concrete. The ingredients of concrete need to be weighed when they are put into production to help producers better understand the proportions of each ingredient to ensure the quality of concrete. National standards stipulate that concrete production companies should calibrate their scales once a month.

[0003] Each calibration of the traditional weighing scale requires manual climbing up and down or moving heavy weights up and down to place them in the scale bucket. This is labor-intensive and dangerous, and the working space is cramped, which often greatly reduces the execution of the calibration work. Utility Model Content

[0004] Based on this, it is necessary to provide a concrete production weighing device that is easy to calibrate the scale in view of the shortcomings of the prior art.

[0005] The technical scheme of the utility model is: a concrete production weighing device which is convenient for calibration, comprising a support frame, a plurality of weighing devices installed on the support frame, a weighing bucket pressed down on the weighing device, an electrically controlled discharge valve installed at the bottom of the weighing bucket, a positioning frame installed on both sides of the weighing bucket, and an auxiliary frame matched with the positioning frame, wherein the auxiliary frame can be freely disassembled and assembled on the positioning frame, the positioning frame comprises a fixed plate, a support plate connected to the fixed plate, and a reinforcing plate connecting the fixed plate and the support plate, the support plate is provided with a plurality of clamping holes, the clamping holes are evenly spaced along the extension direction of the support plate, and each clamping hole comprises a clamping section and a limiting section; the auxiliary frame comprises a bottom plate, a plurality of hanging ropes and a plurality of steel balls, the hanging ropes are divided into two rows and arranged on both sides of the bottom plate, the hanging ropes and the steel balls correspond to each other one by one, the hanging ropes pass through the steel balls, the bottom of the hanging ropes is fixedly mounted on the bottom plate, and a clamping head is provided on the top of the hanging ropes;

[0006] When it is necessary to calibrate the concrete production weighing device, the auxiliary frame is installed on the positioning frame. During installation, the steel balls on the two rows of hanging ropes are installed in conjunction with the two positioning frames respectively, the hanging ropes are inserted from the insertion section to the limit section, and the steel balls are inserted from the upper end into the hole of the limit section.

[0007] In one of the embodiments, the limiting section and the snap-in section are respectively arranged on the inner and outer sides of the support plate, and the snap-in section extends inward from the outer edge of the support plate and is connected with the limiting section.

[0008] In one embodiment, the hole of the limiting section is circular, and the hole width of the snap-in section is smaller than the hole diameter of the limiting section.

[0009] In one of the embodiments, the outer diameter of the steel ball is larger than the hole diameter of the limiting section, and the cross-sectional width of the hanging rope is smaller than the hole width of the locking section.

[0010] In one embodiment, the support frame includes a top frame and a plurality of support legs connected to the bottom corners of the top frame, the top frame includes a plurality of side edges and two inner edges, the side edges and the two inner edges together form an inner hole, and the weighing device is installed on the inner edge of the outer periphery of the inner hole and the upper end surface of the side edges.

[0011] In one embodiment, the weighing bucket includes a main body, a material discharge part connected to the bottom of the main body, and a plurality of latches connected to the outer side of the main body. The main body of the weighing bucket passes through the inner hole of the support frame, and different latches on the weighing bucket are pressed down on different weighing devices respectively.

[0012] In one of the embodiments, the protrusions are flush with each other.

[0013] In one of the embodiments, the fixing plate and the supporting plate are arranged in an L shape, the reinforcing plate is connected to the end positions of the fixing plate and the supporting plate at the same time, and the fixing plate is installed and fixed to the outer side surface of the main body at one side.

[0014] In one of the embodiments, the discharge portion is arranged in an inverted cone shape, and the outer shape and inner space of the discharge portion gradually shrink in a vertical direction from top to bottom, and the electrically controlled discharge valve is arranged at the bottom of the discharge portion.

[0015] In one embodiment, the main body is in a square frame-shaped structure as a whole, and the number of the latching protrusions is four, and the latching protrusions are respectively connected to different outer sides of the main body.

[0016] The beneficial effect of the concrete production weighing device which is convenient for calibration is that by arranging the positioning frames installed on both sides of the scale bucket and the auxiliary frames matched with the positioning frames, when calibrating the scale, the weights can be directly placed on the bottom plate of the auxiliary frames which are relatively low, thereby effectively reducing the difficulty of calibrating the scale, effectively eliminating potential safety hazards, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the concrete production weighing device which is convenient for calibration of the utility model;

[0018] Figure 2 for Figure 1 The structural diagram of the scale bucket in FIG.

[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the positioning frame in FIG.

[0020] Figure 4 for Figure 1Schematic diagram of the structure of the auxiliary frame. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] See also Figures 1 to 4 The utility model provides a concrete production weighing device which is convenient for calibration, including a support frame 10, a plurality of weighing devices 60 installed on the support frame 10, a weighing bucket 20 pressed down on the weighing devices 60, an electric-controlled discharge valve 40 installed at the bottom of the weighing bucket 20, a positioning frame 30 installed on both sides of the weighing bucket 20, and an auxiliary frame 50 matched with the positioning frame 30, wherein the auxiliary frame 50 can be freely disassembled and assembled on the positioning frame 30.

[0028] The support frame 10 includes a top frame 11 and a plurality of support legs 12 connected to the bottom of the top frame 11 near the corners. The top frame 11 includes a plurality of side edges 111 and two inner edges 112. The two side edges 111 and the two inner edges 112 enclose an inner hole 113. The weighing device 60 is installed on the inner edge 112 and the upper end surface of the side edge 111 on the outer periphery of the inner hole 113. The utility model also includes two ladder frames, which are arranged on both sides of the support frame 10 and are respectively connected to the side edges 111 on both sides of the top frame 11.

[0029] The weighing bucket 20 includes a main body 21, a material discharge portion 22 connected to the bottom of the main body 21, and a plurality of latching protrusions 23 connected to the outer side of the main body 21. The main body 21 is arranged in a square frame structure as a whole. In this embodiment, the number of the latching protrusions 23 is four, and the latching protrusions 23 are respectively connected to different outer sides of the main body 21, and the heights of the latching protrusions 23 are flush.

[0030] The discharge portion 22 is arranged in an inverted cone shape, and the outer shape and inner space of the discharge portion 22 gradually shrink in the vertical direction from top to bottom. The electrically controlled discharge valve 40 is arranged at the bottom position of the discharge portion 22, and the electrically controlled discharge valve 40 is used to control the opening and closing of the bottom opening of the discharge portion 22.

[0031] The positioning frame 30 includes a fixing plate 31, a supporting plate 32 connected to the fixing plate 31, and a reinforcing plate 33 connecting the fixing plate 31 and the supporting plate 32. The fixing plate 31 and the supporting plate 32 are arranged in an L shape. The reinforcing plate 33 is connected to the end positions of the fixing plate 31 and the supporting plate 32 at the same time. The fixing plate 31 is installed and fixed on the outer side of the main body 21 at one side. The supporting plate 32 is provided with a plurality of clamping holes 34. The clamping holes 34 are evenly spaced along the extension direction of the supporting plate 32. Each clamping hole 34 includes a clamping section 342 and a limiting section 341. The limiting section 341 and the clamping section 342 are respectively arranged on the inner and outer sides of the supporting plate 32. The clamping section 342 extends inward from the outer edge 111 of the supporting plate 32 and is connected to the limiting section 341. The hole shape of the limiting section 341 is circular, and the hole width of the clamping section 342 is smaller than the hole diameter of the limiting section 341.

[0032] The auxiliary frame 50 includes a bottom plate 51, a plurality of hanging ropes 52 and a plurality of steel balls 53. The hanging ropes 52 are arranged in two rows on both sides of the bottom plate 51. The hanging ropes 52 correspond to the steel balls 53 one by one. The hanging ropes 52 pass through the steel balls 53. The bottom of the hanging ropes 52 is fixed to the bottom plate 51. A clamp 54 is provided on the top of the hanging rope 52. The clamp 54 is used to limit the steel balls 53 to prevent the steel balls 53 from falling off the hanging rope 52. The outer diameter of the steel balls 53 is larger than the aperture of the limiting section 341, and the cross-sectional width of the hanging rope 52 is smaller than the aperture width of the clamping section 342.

[0033] During installation, the main body 21 of the weighing bucket 20 passes through the inner hole 113 of the support frame 10, and the different protrusions 23 on the weighing bucket 20 are pressed down on different weighing devices 60 respectively, and the weighing devices 60 weigh the materials falling into the weighing bucket 20. During normal production, the auxiliary frame 50 is removed from the positioning frame 30. When the concrete production weighing device needs to be calibrated, the auxiliary frame 50 is installed on the positioning frame 30. During installation, the steel balls 53 on the two rows of hanging ropes 52 are respectively installed in cooperation with the two positioning frames 30, and the hanging ropes 52 are inserted from the insertion section 342 to the limit section 341. The steel balls 53 are inserted from the upper end at the opening of the limit section 341, and the bottom plate 51 is at a relatively low height. Then, the weight is placed on the bottom plate 51, and the actual weight of the weight placed on the bottom plate 51 is compared with the value of the weighing device 60 to determine whether the weighing device 60 is working normally.

[0034] The beneficial effect of the concrete production weighing device which is convenient for calibration is that by providing the positioning frames 30 installed on both sides of the scale bucket 20 and the auxiliary frames 50 cooperating with the positioning frames 30, when calibrating the scale, the weights are directly placed on the bottom plate 51 of the relatively low auxiliary frames 50, thereby effectively reducing the difficulty of calibrating the scale, effectively eliminating safety hazards, and having strong practicality.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A concrete production weighing device that is convenient for calibration, characterized in that: It includes a support frame, a plurality of weighing devices installed on the support frame, a weighing bucket pressed down on the weighing devices, an electrically controlled discharge valve installed at the bottom of the weighing bucket, a positioning frame installed on both sides of the weighing bucket, and an auxiliary frame matched with the positioning frame, wherein the auxiliary frame can be freely disassembled and assembled on the positioning frame, the positioning frame includes a fixed plate, a support plate connected to the fixed plate, and a reinforcing plate connecting the fixed plate and the support plate, the support plate is provided with a plurality of clamping holes, the clamping holes are evenly spaced along the extension direction of the support plate, and each clamping hole includes a clamping section and a limiting section; the auxiliary frame includes a bottom plate, a plurality of hanging ropes and a plurality of steel balls, the hanging ropes are divided into two rows and arranged on both sides of the bottom plate, the hanging ropes and the steel balls correspond to each other one by one, the hanging ropes pass through the steel balls, the bottom of the hanging ropes is fixedly installed with the bottom plate, and the top of the hanging ropes is provided with a clamping head; When it is necessary to calibrate the concrete production weighing device, the auxiliary frame is installed on the positioning frame. During installation, the steel balls on the two rows of hanging ropes are installed in conjunction with the two positioning frames respectively, the hanging ropes are inserted from the insertion section to the limit section, and the steel balls are inserted from the upper end into the hole of the limit section.

2. The concrete production weighing device that is convenient for calibration according to claim 1 is characterized in that: The limiting section and the snap-in section are respectively arranged on the inner and outer sides of the support plate, and the snap-in section extends inward from the outer edge of the support plate and is connected with the limiting section.

3. The concrete production weighing device convenient for calibration according to claim 1 is characterized in that: The hole of the limiting section is circular in shape, and the hole width of the snap-in section is smaller than the hole diameter of the limiting section.

4. The concrete production weighing device convenient for calibration according to claim 3 is characterized in that: The outer diameter of the steel ball is larger than the hole diameter of the limiting section, and the cross-sectional width of the hanging rope is smaller than the hole width of the snap-in section.

5. The concrete production weighing device convenient for calibration according to claim 1 is characterized in that: The support frame includes a top frame and a plurality of support legs connected to the bottom of the top frame near the corners. The top frame includes a plurality of side edges and two inner edges. The side edges and the two inner edges form an inner hole. The weighing device is installed on the inner edge of the outer periphery of the inner hole and the upper end surface of the side edges.

6. The concrete production weighing device convenient for calibration according to claim 5 is characterized in that: The weighing bucket comprises a main body, a material discharge part connected to the bottom of the main body, and a plurality of clamping protrusions connected to the outer side of the main body. The main body of the weighing bucket passes through the inner hole of the support frame, and different clamping protrusions on the weighing bucket are pressed down on different weighing devices respectively.

7. The concrete production weighing device for easy calibration according to claim 6 is characterized in that: The protrusions are flush with each other.

8. The concrete production weighing device convenient for calibration according to claim 6 is characterized in that: The material discharge portion is arranged in an inverted cone shape, and the outer shape and inner space of the material discharge portion gradually shrink in a vertical direction from top to bottom, and the electrically controlled material discharge valve is arranged at the bottom position of the material discharge portion.

9. The concrete production weighing device convenient for calibration according to claim 6, characterized in that: The main body is in a square frame-shaped structure as a whole, and the number of the clamping protrusions is four, and the clamping protrusions are respectively connected to different outer side surfaces of the main body.

10. The concrete production weighing device convenient for calibration according to claim 6, characterized in that: The fixing plate and the supporting plate are arranged in an L shape, the reinforcing plate is connected to the end positions of the fixing plate and the supporting plate at the same time, and the fixing plate is installed and fixed on the outer side surface of the main body at one side.

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