Accurate weighing mechanism of loading machine

Abstract

The utility model relates to the technical field of loading machine weighing, in particular to an accurate weighing mechanism of a loading machine, which comprises a second pressure sensor mounted on a loading machine main body and used for being connected with an oil inlet path, and a first pressure sensor mounted on the loading machine main body and used for being connected with an oil outlet path, a loading machine electronic scale is fixedly connected into a cab of the loading machine body, and a wire is inserted into the side surface of the loading machine electronic scale. The position, close to the loading machine electronic scale, of the wire is fixed, redundant wire is stored, the wire is prevented from falling off when the loading machine body shakes, the neatness of the wire is guaranteed, and the loading machine body is protected from being damaged. The fastening bolt further limits the position of the sliding sleeve, the position of the sliding sleeve is prevented from being changed when the loader body shakes, the rotating seat is limited through the limiting hole, the situation that the angle of the electronic scale of the loader is changed due to stress rotation of the rotating seat is avoided, manual righting is not needed, and the use experience of a user is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of loader weighing, in particular to a precise weighing mechanism for a loader. Background Art

[0002] The loader weighing system is a device used to measure the weight of loaded materials in real time during the operation of the loader. It is mainly composed of a signal acquisition part and a signal processing and display part. The loader weighing system uses a pressure sensor in the hydraulic system to measure the weight of the loading bucket. There is a functional relationship between the output of the hydraulic cylinder and the weight of the material. The weight of the material is indirectly obtained by measuring the pressure of the oil inlet pipe of the hydraulic cylinder. However, the devices in the prior art have certain disadvantages when used. For example, a loader weighing device recorded in publication number CN216349055U includes a display host and a support frame; the display host is used to display the loading data of the loader; the support frame includes a connecting plate, a first hinge block and a second hinge block, the edge of the connecting plate is fixedly connected to the display host, the center position of the connecting plate protrudes in the direction away from the display host, and a connecting cavity is formed between the center position of the connecting plate and the display host;

[0003] The above-mentioned device enables the display host to face any direction through the structure, which is convenient for observation. However, when the loader body is running, the wires on the loader electronic scale will shake. When the wires are too long, the amplitude of the shaking will be greater, causing the wires on the loader electronic scale to be forced to fall off. In the absence of strict limiters, the display host will definitely be affected to a certain extent and easily skew, resulting in a poor user experience. Utility Model Content

[0004] The purpose of the utility model is to provide a precise weighing mechanism for a loader to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A precise weighing mechanism for a loader comprises a second pressure sensor installed on a loader body for connecting to an oil inlet, a first pressure sensor installed on the loader body for connecting to an oil outlet, a loader electronic scale fixedly connected to the interior of a cab of the loader body, a wire plugged into a side surface of the loader electronic scale, a No. 1 mounting plate fixedly connected to a rear surface of the loader electronic scale, a storage box fixedly connected to the rear surface of the No. 1 mounting plate, a sliding sleeve fixedly connected to the rear surface of the storage box, and a wire plugged into an outer surface of the loader electronic scale.

[0007] Furthermore, the second pressure sensor and the first pressure sensor are electrically connected to the loader electronic scale through a wire.

[0008] Furthermore, the loader electronic scale includes a host, a display and a control panel, the upper surface of the host is slidably connected with a free stop hinge, the rear surface of the free stop hinge is fixedly connected with the display, the front surface of the host is embedded with a control panel that is movably connected, and the host and the display are rotationally connected via the free stop hinge.

[0009] Furthermore, a No. 2 mounting plate is movably connected to the top of the No. 1 mounting plate, a connecting seat is fixedly connected to the rear surfaces of the No. 1 mounting plate and the No. 2 mounting plate, a connecting shaft is embedded in the side surface of the connecting seat, a hand wheel is threadedly connected to the outer surface of the connecting shaft, a storage basket is fixedly connected to the front surface of the No. 1 mounting plate, and the No. 1 mounting plate and the No. 2 mounting plate are rotatably connected via a connecting shaft.

[0010] Furthermore, a through groove is provided on the outer surface of the No. 1 mounting plate, a plurality of limit seats are fixedly connected to the outer surface of the No. 1 mounting plate, and the wires are snap-connected with the limit seats.

[0011] Furthermore, a column is embedded and slidably connected inside the sliding sleeve, a tapered hole is opened on the rear surface of the column, and a fastening bolt is threadedly connected on the outer surface of the sliding sleeve.

[0012] Preferably, a rotating seat is fixedly connected to the lower surface of the column, a base is rotatably connected to the lower surface of the rotating seat, a locking knob is threadedly connected to the upper surface of the rotating seat, and a limiting hole is provided on the upper surface of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the set limit seat, when storing and limiting the wire, the wire is inserted into the limit seat, and then the external binding strap is passed through the through slot to make the binding strap bind the wire inside the limit seat. At this time, the position of the wire close to the loader electronic scale is fixed to reduce the jitter amplitude of the wire at the connection position between the wire and the loader electronic scale. In addition, the excess part of the wire can be put into the storage box, so that the wire is fixed close to the loader electronic scale and the excess wire is stored, so as to avoid the wire falling off when the loader body shakes and ensure the neatness of the wire.

[0015] 2. Through the provided column, manually rotate the fastening bolt so that the fastening bolt is inserted into the tapered hole under the push of the thread. At this time, the fastening bolt cooperates with the tapered hole to fit into the sliding sleeve, so that there is extrusion between the sliding sleeve and the column. While increasing the friction, the fastening bolt also limits the position of the sliding sleeve to prevent the sliding sleeve from changing its position when the loader body shakes. For the rotating seat that can rotate relative to the base, rotating the locking knob on the rotating seat can make one end of the locking knob inserted into the inside of the limiting hole under the push of the thread, and limiting the rotating seat through the limiting hole to prevent the rotating seat from rotating under force, causing the angle of the loader electronic scale to change. No manual straightening is required, thereby optimizing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the utility model from another angle;

[0018] Figure 3 It is a schematic diagram of the split structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection between the utility model and the loader body.

[0020] In the figure: 1. first pressure sensor; 2. second pressure sensor; 3. wire; 4. tapered hole; 5. loader electronic scale; 501. host; 502. display; 503. control panel; 504. free stop hinge; 6. No. 1 mounting plate; 601. storage basket; 602. No. 2 mounting plate; 603. connecting seat; 604. connecting shaft; 605. hand wheel; 606. through groove; 7. limit seat; 8. storage box; 801. sliding sleeve; 802. fastening bolt; 803. column; 804. rotating seat; 805. base; 806. limit hole; 807. locking knob; 9. loader body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4In an embodiment of the utility model, a precise weighing mechanism for a loader includes a second pressure sensor 2 installed on a loader body 9 for connecting to an oil inlet, and a first pressure sensor 1 installed on the loader body 9 for connecting to an oil outlet, a loader electronic scale 5 fixedly connected to the interior of a cab of the loader body 9, a wire 3 is plugged into the side surface of the loader electronic scale 5, a No. 1 mounting plate 6 is fixedly connected to the rear surface of the loader electronic scale 5, a storage box 8 is fixedly connected to the rear surface of the No. 1 mounting plate 6, a sleeve 801 is fixedly connected to the rear surface of the storage box 8, and a wire 3 is plugged into the outer surface of the loader electronic scale 5.

[0023] Specifically, when weighing, the loader weighing structure is a high-precision dynamic metering device. The loader weighing structure uses the first pressure sensor 1 and the second pressure sensor 2 in the hydraulic system to measure the weight of the loading bucket. The output of the hydraulic cylinder has a functional relationship with the weight of the material. The weight of the material is indirectly obtained by measuring the oil inlet pipe pressure of the hydraulic cylinder. The specific model of the first pressure sensor 1 and the second pressure sensor 2 is PTL270 loader pressure sensor. When the loader body 9 is running, the wire 3 on the loader electronic scale 5 will shake, and when the wire 3 is too long, the amplitude of the shake will be greater, resulting in the wire 3 on the loader electronic scale 5 may be stressed and fall off. At this time, the No. 1 mounting plate 6 limits the wire 3, and the storage box 8 stores the excess wire 3 to keep it tidy and prevent the wire 3 from falling off. At the same time, for the stressed sliding sleeve 801, an extrusion and limiting fixing method is adopted to avoid the use of an extrusion and friction fixing method to ensure that the height and angle of the loader electronic scale 5 are not affected when shaking.

[0024] Embodiment 1

[0025] like Figure 1-3 As shown, the second pressure sensor 2 and the first pressure sensor 1 are electrically connected to the loader electronic scale 5 through the wire 3. The loader electronic scale 5 includes a main unit 501, a display 502 and a control panel 503. The upper surface of the main unit 501 is slidably connected with a free stop hinge 504, the rear surface of the free stop hinge 504 is fixedly connected with the display 502, the front surface of the main unit 501 is embedded with a movably connected control panel 503, and the main unit 501 and the display 502 are rotationally connected through the free stop hinge 504.

[0026] In this embodiment, the connection and control between the second pressure sensor 2, the first pressure sensor 1 and the loader electronic scale 5 host belong to mature existing technologies and will not be elaborated in this article. The display 502 is electrically connected to the loader electronic scale 5 for displaying parameters, and the control panel 503 is used to input instructions.

[0027] Embodiment 2

[0028] On the basis of the first embodiment, in order to make up for the problem that it is inconvenient to limit the wire 3 and fix the storage box 8 in the first embodiment.

[0029] like Figure 1-3 As shown, the upper part of the No. 1 mounting plate 6 is movably connected to the No. 2 mounting plate 602, the rear surfaces of the No. 1 mounting plate 6 and the No. 2 mounting plate 602 are fixedly connected to a connecting seat 603, the side surface of the connecting seat 603 is embedded with a connecting shaft 604, the outer surface of the connecting shaft 604 is threadedly connected to a hand wheel 605, the front surface of the No. 1 mounting plate 6 is fixedly connected to a storage basket 601, the No. 1 mounting plate 6 and the No. 2 mounting plate 602 are rotatably connected by the connecting shaft 604, the outer surface of the No. 1 mounting plate 6 is provided with a through groove 606, the outer surface of the No. 1 mounting plate 6 is fixedly connected to a plurality of limit seats 7, and the wire 3 and the limit seat 7 are snap-connected.

[0030] In this embodiment, when the angle between the display 502 and the host 501 needs to be adjusted, the angle between the No. 1 mounting plate 6 and the No. 2 mounting plate 602 needs to be adjusted. Since the display 502 is light in weight, the hand wheel 605 is manually rotated. Under the push of the thread, the hand wheel 605 cooperates with one end of the connecting shaft 604 to squeeze the two connecting seats 603, so that the No. 2 mounting plate 602 and the No. 1 mounting plate 6 are fixed. Similarly, after loosening the hand wheel 605, the angle between the host 501 and the display 502 can be manually adjusted according to the user's habits. When the wire 3 is stored and limited, the wire 3 is inserted into the limit seat 7, and then The binding strap from the outside passes through the through slot 606, so that the binding strap binds the wire 3 to the inside of the limit seat 7. At this time, the position of the wire 3 close to the loader electronic scale 5 is fixed, and the shaking amplitude of the wire 3 at the connection position between the wire 3 and the loader electronic scale 5 is reduced. In addition, the excess part of the wire 3 can also be placed in the storage box 8. The storage box 8 and the wire contact position are provided with a hole, and a wire sleeve in the prior art is placed in the hole. The wire sleeve provides friction resistance to prevent the wire 3 from falling off easily, so that the position of the wire 3 close to the loader electronic scale 5 is fixed and the excess wire 3 is stored, which prevents the wire 3 from falling off when the loader body 9 shakes and ensures the neatness of the wire 3.

[0031] like Figure 1-3 As shown, the interior of the sliding sleeve 801 is embedded with a column 803 for sliding connection, the rear surface of the column 803 is provided with a conical hole 4, the outer surface of the sliding sleeve 801 is threadedly connected with a fastening bolt 802, the lower surface of the column 803 is fixedly connected with a rotating seat 804, the lower surface of the rotating seat 804 is rotatably connected with a base 805, the upper surface of the rotating seat 804 is threadedly connected with a locking knob 807, and the upper surface of the base 805 is provided with a limiting hole 806.

[0032] The screw thread 806 is used to tighten the screw thread 808 so that the screw thread 808 can be tightened and the screw thread 808 is tightened.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A precise weighing mechanism for a loader, comprising a second pressure sensor (2) installed on a loader body (9) for connecting to an oil inlet, a first pressure sensor (1) installed on a loader body (9) for connecting to an oil outlet, and a loader electronic scale (5) fixedly connected to the interior of a cab of the loader body (9), characterized in that: A wire (3) is plugged into the side surface of the loader electronic scale (5); a first mounting plate (6) is fixedly connected to the rear surface of the loader electronic scale (5); a storage box (8) is fixedly connected to the rear surface of the first mounting plate (6); a sliding sleeve (801) is fixedly connected to the rear surface of the storage box (8); and a wire (3) is plugged into the outer surface of the loader electronic scale (5).

2. A loader precision weighing mechanism according to claim 1, characterized in that: The second pressure sensor (2) and the first pressure sensor (1) are electrically connected to a loader electronic scale (5) via a wire (3).

3. A loader precision weighing mechanism according to claim 1, characterized in that: The loader electronic scale (5) comprises a host (501), a display (502) and a control panel (503); the upper surface of the host (501) is slidably connected to a free stop hinge (504); the rear surface of the free stop hinge (504) is fixedly connected to the display (502); the front surface of the host (501) is embedded with a control panel (503) in a movable manner; the host (501) and the display (502) are rotatably connected via the free stop hinge (504).

4. A loader precision weighing mechanism according to claim 1, characterized in that: The upper portion of the No. 1 mounting plate (6) is movably connected to the No. 2 mounting plate (602); the rear surfaces of the No. 1 mounting plate (6) and the No. 2 mounting plate (602) are both fixedly connected to a connecting seat (603); the side surface of the connecting seat (603) is embedded with a connecting shaft (604); the outer surface of the connecting shaft (604) is threadedly connected to a hand wheel (605); the front surface of the No. 1 mounting plate (6) is fixedly connected to a storage basket (601); the No. 1 mounting plate (6) and the No. 2 mounting plate (602) are rotatably connected via the connecting shaft (604).

5. The loader precision weighing mechanism according to claim 1, characterized in that: A through slot (606) is provided on the outer surface of the No. 1 mounting plate (6), a plurality of limit seats (7) are fixedly connected to the outer surface of the No. 1 mounting plate (6), and the wire (3) and the limit seats (7) are snap-fitted and connected.

6. The loader precision weighing mechanism according to claim 1, characterized in that: A column (803) is embedded and slidably connected inside the sliding sleeve (801), a conical hole (4) is opened on the rear surface of the column (803), and a fastening bolt (802) is threadedly connected on the outer surface of the sliding sleeve (801).

7. A loader precision weighing mechanism according to claim 6, characterized in that: The lower surface of the column (803) is fixedly connected to a rotating seat (804), the lower surface of the rotating seat (804) is rotatably connected to a base (805), the upper surface of the rotating seat (804) is threadedly connected to a locking knob (807), and the upper surface of the base (805) is provided with a limiting hole (806).

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