High-precision intelligent suspension scale

Abstract

The utility model relates to a kind of high-precision intelligent hanging scale, including shell, the bottom of the side of shell is fixedly connected with mounting block, mounting block is L-shaped setting, cavity is opened in mounting block, the top side middle part of cavity is opened with empty slot, empty slot is fixedly connected with plugging pipe, communication piece is set in plugging pipe, the top side of the corner of mounting block is provided with secondary measuring element.The utility model relates to the technical field of intelligent hanging scale.This kind of high-precision intelligent hanging scale, when using, can reduce the load of hook position when the article exceeds the limit value of the hanging scale, trigger secondary measuring element by communication piece, measure the weight of the part of article exceeding the limit value of the hanging scale by secondary measuring element, so as to avoid the spring in the hanging scale exceeding the limit value of stretching and being damaged, and further affect the weighing work of the hanging scale.

Description

Technical Field

[0001] This utility model relates to the technical field of intelligent crane scales, and in particular to a high-precision intelligent crane scale. Background Technology

[0002] Mechanical crane scales utilize the cooperation of a spring mechanism and a hook. After the spring is stretched to a certain extent, the gravity data is obtained, thereby measuring the specific weight of the object. They are also simple to use, making them a commonly used type of crane scale.

[0003] In the existing technology, when a crane scale is weighing an item, if the item exceeds the maximum value of the crane scale, the spring in the crane scale will be stretched beyond its limit. At this time, the spring is prone to deformation and damage. Therefore, in this case, the crane scale is damaged and can no longer weigh the item, which affects the progress of the weighing work. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a high-precision intelligent crane scale in order to solve the technical problems mentioned in the background.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A high-precision intelligent crane scale includes a housing, with an L-shaped mounting block fixedly connected to the bottom of one side of the housing. The mounting block has a cavity inside, and a groove is formed in the center of the top side of the cavity. A sealing tube is fixedly connected to the groove, and a connecting component is installed inside the sealing tube. A secondary measuring element is installed on the top side of the corner of the mounting block for measuring the weight of items exceeding the measuring portion of the crane scale. Two sliding grooves are formed on one side of the housing near the mounting block, with a trigger rod and a push rod slidably connected in each groove. A crane scale assembly is installed inside the housing for measuring the weight of items.

[0007] In a preferred embodiment, the present invention can be further configured such that: the connecting member includes a sliding rod, the sliding rod is slidably connected to the top of the sealing tube, wherein a connecting groove communicating with the cavity is opened on the outer periphery of the sealing tube, and a trigger hole is opened at the position of the sliding rod on the inner side wall of the groove.

[0008] In a preferred embodiment, the present invention can be further configured such that: the secondary measuring component includes a vertical groove, which is opened at the top of the corner of the mounting block, and a measuring rod is slidably connected in the vertical groove, with the bottom end of the measuring rod being inclined.

[0009] In a preferred embodiment, the present invention can be further configured as follows: the hanging scale assembly includes an upper support rod, which is fixedly connected to the top of the housing. Rotating rods are rotatably connected to the sides of the upper support rod. Springs are connected to the ends of the two rotating rods. A hanging rod is fixedly connected to the bottom end of the spring. A balancing element is provided between the tops of the two hanging rods. A hook is connected to the bottom ends of the two hanging rods.

[0010] In a preferred embodiment, the present invention can be further configured as follows: the balancing component includes a central rotating shaft, which is rotatably connected between two opposite side walls inside the housing. A gear is fixedly connected to the outer periphery of the central rotating shaft. A bearing rod is fixedly connected between the two lifting rods. A rack is rotatably connected to the side of the bearing rod through a bearing. The rack meshes with the gear. A stabilizing spring is fixedly connected between the top side of the bearing rod and the side of the rack.

[0011] A graduated dial is fixedly connected to the side of the outer casing, and the end of the central rotating shaft extends to the side of the graduated dial and is fixedly connected to a pointer.

[0012] In a preferred embodiment, the present invention can be further configured such that: the end of the trigger rod extends into the housing and is fixedly connected to the bottom of the support rod, and the end of the push rod extends into the housing and is fixedly connected to the bottom side wall of the support rod.

[0013] In summary, this utility model has at least one of the following beneficial technical effects:

[0014] 1. This high-precision intelligent crane scale, when in use, can reduce the load on the hook when the item exceeds the scale's weighing limit, causing the connecting part to trigger the secondary measuring element. The secondary measuring element measures the weight of the item exceeding the scale's weighing limit, thereby preventing the spring inside the scale from exceeding its tensile limit and being damaged, which would affect the scale's weighing operation.

[0015] 2. In this high-precision intelligent crane scale, when the two chambers sealed by the sealing pipe in the cavity are connected, a channel is opened between the bottom of the side wall of the vertical groove and the cavity for the connection between the two. Subsequently, the air pressure on the side of the cavity away from the vertical groove will enter the vertical groove, and then the air pressure in the vertical groove will increase, thereby pushing the position of the bottom inclined surface of the measuring rod, causing the measuring rod to slide upward. The measuring rod has scale lines drawn on its side wall, and the edge of the top side wall of the vertical groove is used as an indicator to facilitate the measurement of the weight of the measured item that exceeds the measurement limit value of the crane scale. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of a high-precision intelligent crane scale according to this utility model.

[0018] Figure 2 This utility model relates to a high-precision intelligent crane scale. Figure 1 Schematic diagram of the back structure of the inner shell.

[0019] Figure 3 This is a schematic diagram of the internal structure of the outer shell of a high-precision intelligent crane scale according to this utility model.

[0020] Figure 4 This is a schematic diagram of the internal structure of the mounting block of a high-precision intelligent crane scale according to this utility model.

[0021] In the diagram: 1. Outer shell; 2. Mounting block; 3. Cavity; 4. Slot; 5. Sealing pipe; 6. Connecting component; 7. Secondary measuring component; 8. Slide groove; 9. Trigger rod; 10. Push rod; 11. Hanging scale assembly; 12. Sliding rod; 13. Connecting slot; 14. Trigger hole; 15. Vertical slot; 16. Measuring rod; 17. Upper support rod; 18. Rotating rod; 19. Spring; 20. Lifting rod; 21. Hook; 22. Central rotating shaft; 23. Gear; 24. Bearing rod; 25. Rack; 26. Stabilizing spring; 27. Scale dial; 28. Pointer. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Example:

[0024] Reference Figures 1-4 This utility model discloses a high-precision intelligent crane scale, including a shell 1. A mounting block 2 is fixedly connected to the bottom of one side of the shell 1. The mounting block 2 is L-shaped and has a cavity 3 inside. A groove 4 is opened in the middle of the top side of the cavity 3. A sealing tube 5 is fixedly connected in the groove 4. A connecting piece 6 is provided in the sealing tube 5. A secondary measuring piece 7 is provided on the top side of the corner of the mounting block 2 for measuring the weight of the item beyond the measuring part of the crane scale. Two sliding grooves 8 are opened on one side of the shell 1 located on the mounting block 2. A trigger rod 9 and a push rod 10 are slidably connected in the two sliding grooves 8 respectively. A crane scale assembly 11 is provided inside the shell 1 for measuring the weight of the item.

[0025] In this embodiment, reference Figure 2Mounting block 2 is fixedly connected to the bottom side of the outer casing 1, for reference. Figure 4 A cavity 3 is formed within the mounting block 2. A groove 4 is formed in the middle of the top sidewall of the cavity 3. A sealing pipe 5 is fixedly connected within the groove 4. The bottom of the sealing pipe 5 is fitted against the bottom sidewall of the cavity 3. Initially, the outer periphery of the sealing pipe 5 is fitted against the two corresponding sidewalls of the cavity 3. When weighing, if the weight of the item exceeds the maximum weighing capacity of the crane scale, refer to... Figure 2 The trigger rod 9 moves downward as the weight of the crane scale assembly 11 is weighed. When the weight exceeds the limit of the crane scale assembly 11, it will press down to trigger the connecting piece 6 and use the mounting block 2 to support the crane scale assembly 11. The connecting piece 6 connects the two chambers of the cavity 3. In the initial state, the position in the cavity 3 away from the secondary measuring piece 7 is under high pressure.

[0026] After the two chambers in cavity 3 are connected, the air pressure in cavity 3 at the position of secondary measuring element 7 will increase. The air pressure will then drive the secondary measuring element 7 to perform measurement work, thereby measuring the weight of the item that exceeds the measurement limit of the hanging scale assembly 11, so as to measure the weight of overweight items.

[0027] In a further preferred embodiment of this utility model, such as Figure 4 As shown, the connecting member 6 includes a sliding rod 12, which is slidably connected to the top of the sealing tube 5. The outer periphery of the sealing tube 5 is provided with a connecting groove 13 that communicates with the cavity 3, and the sliding rod 12 is provided with a trigger hole 14 at the position of the inner side wall of the groove 4.

[0028] In this embodiment, among the connecting members 6, reference is made. Figure 4 When the trigger rod 9 descends and presses down the sliding rod 12 (the trigger rod 9 is set in a sliding seal within the sealing tube 5), the sliding rod 12 descends. When the sliding rod 12 descends, it will drive the trigger hole 14 to move downward, allowing the trigger hole 14 to connect with the connecting groove 13. Subsequently, the two chambers in the cavity 3 that are blocked by the sealing tube 5 will connect through the trigger hole 14 and the connecting groove 13. Then, air in the cavity 3 away from the secondary measuring element 7 will enter the position of the secondary measuring element 7, causing the secondary measuring element 7 to measure the weight of the item that exceeds the weighing limit of the crane scale.

[0029] In a further preferred embodiment of this utility model, such as Figure 4 As shown, the secondary measuring component 7 includes a vertical groove 15, which is opened at the top of the corner of the mounting block 2. A measuring rod 16 is slidably connected in the vertical groove 15, and the bottom end of the measuring rod 16 is inclined.

[0030] In this embodiment, reference Figure 4When the two chambers sealed by the sealing pipe 5 in the cavity 3 are connected, a channel is opened between the bottom of the side wall of the vertical groove 15 and the cavity 3 for the connection between the two. Then, the air pressure on the side of the cavity 3 away from the vertical groove 15 will enter the vertical groove 15. Subsequently, the air pressure in the vertical groove 15 increases, which in turn pushes the position of the bottom inclined surface of the measuring rod 16 (the measuring rod 16 is a sliding seal in the vertical groove 15), causing the measuring rod 16 to slide upward. The measuring rod 16 has scale lines drawn on its side wall, and the edge of the top side wall of the vertical groove 15 is used as an indicator to measure the weight of the measured item that exceeds the measurement limit of the hanging scale.

[0031] In a further preferred embodiment of this utility model, such as Figure 3 As shown, the hanging scale assembly 11 includes an upper support rod 17, which is fixedly connected to the top of the housing 1. The upper support rod 17 is rotatably connected to the sides of the upper support rod 17. Springs 19 are connected to the ends of the two rotating rods 18. A hanging rod 20 is fixedly connected to the bottom of the springs 19. A balancing element is provided between the tops of the two hanging rods 20. A hook 21 is connected to the bottom of the two hanging rods 20.

[0032] In this embodiment, reference Figure 3 When an item is hung on hook 21, the two booms 20 will be pulled down, which in turn will pull the spring 19 up. At the same time, the descent of booms 20 will drive the balancer, which will then display the weight of the item.

[0033] In a further preferred embodiment of this utility model, such as Figure 3 As shown, the balancing component includes a central rotating shaft 22, which is rotatably connected between two opposite side walls inside the outer casing 1. A gear 23 is fixedly connected to the outer periphery of the central rotating shaft 22. A bearing rod 24 is fixedly connected between the two lifting rods 20. A rack 25 is rotatably connected to the side of the bearing rod 24 through a bearing. The rack 25 meshes with the gear 23. A stabilizing spring 26 is fixedly connected between the top side of the bearing rod 24 and the side of the rack 25.

[0034] A scale dial 27 is fixedly connected to the side of the outer casing 1, and the end of the central rotating shaft 22 extends to the side of the scale dial 27 and is fixedly connected to a pointer 28.

[0035] In this embodiment, reference Figure 3When the hook 21 is pulled down, it will pull the support rod 24 down. When the support rod 24 goes down, it will drive the rack 25 down. The rack 25 drives the gear 23 to rotate, which in turn drives the central shaft to rotate, and then drives the pointer 28 to rotate. A scale can be engraved at a suitable position on the surface of the scale dial 27. The scale that the pointer 28 points to when it rotates is the weight of the item being weighed. The stabilizing spring 26 is set to keep the rack 25 in contact with the gear 23 at all times, so as to avoid the rack 25 tilting at an angle.

[0036] In a further preferred embodiment of this utility model, such as Figure 3 As shown, the end of the trigger rod 9 extends into the housing 1 and is fixedly connected to the bottom of the support rod 24, and the end of the push rod 10 extends into the housing 1 and is fixedly connected to the bottom side wall of the support rod 24.

[0037] In this embodiment, reference Figure 3 The ends of the trigger rod 9 and the push rod 10 extend into the housing 1 and are fixedly connected to the bottom side of the support rod 24. During weighing, the descent of the support rod 24 determines whether the secondary measuring element 7 is triggered. If the weight of the item being measured exceeds the weighing limit of the crane scale, the support rod 24 will drive the trigger rod 9 to push the sliding rod 12, which will eventually push out the measuring rod 16 in the secondary measuring element, thus contacting the push rod 10. The increased air pressure in the vertical groove 15 will cause the measuring rod 16 to push the push rod 10 upward, which will then push the support rod 24 upward and the sliding rod 12 upward. The cavity 3 will be sealed again. After the item is removed, the support rod 24, the push rod 10, and the trigger rod 9 will return to their original positions. The scale when the measuring rod 16 is pushed out by the air pressure is the extra weight. Then, press the sliding rod 12 and press the measuring rod 16 back to its original position, and then pull the sliding rod 12 to reset. This will restore the air pressure in the cavity 3 to its initial state, making it easy to reuse.

[0038] The implementation principle of the above embodiment is as follows: when the trigger rod 9 descends, it presses down the sliding rod 12, causing the sliding rod 12 to descend. When the sliding rod 12 descends, it will drive the trigger hole 14 to move downward, so that the trigger hole 14 connects with the connecting groove 13. Then, the two chambers in the cavity 3 that are blocked by the sealing tube 5 will connect through the trigger hole 14 and the connecting groove 13. Then, the air in the cavity 3 that is far away from the secondary measuring element 7 will enter the position of the secondary measuring element 7, so that the secondary measuring element 7 measures the weight of the item that exceeds the weighing limit of the crane scale.

[0039] When the two chambers sealed by the sealing pipe 5 in the cavity 3 are connected, a channel is opened between the bottom of the side wall of the vertical groove 15 and the cavity 3 for the connection between the two. Then, the air pressure on the side of the cavity 3 away from the vertical groove 15 will enter the vertical groove 15. Subsequently, the air pressure in the vertical groove 15 increases, which in turn pushes the position of the bottom inclined surface of the measuring rod 16, causing the measuring rod 16 to slide upward. The measuring rod 16 has scale lines drawn on its side wall, and the edge of the top side wall of the vertical groove 15 is used as an indicator to measure the weight of the measured item that exceeds the measurement limit of the hanging scale.

[0040] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A high-precision intelligent crane scale, comprising a housing (1), characterized in that, A mounting block (2) is fixedly connected to the bottom of one side of the outer shell (1). The mounting block (2) is L-shaped. A cavity (3) is opened inside the mounting block (2). A slot (4) is opened in the middle of the top side of the cavity (3). A sealing tube (5) is fixedly connected inside the slot (4). A connecting piece (6) is provided inside the sealing tube (5). A secondary measuring piece (7) is provided on the top side of the corner of the mounting block (2) for measuring the weight of the item beyond the measuring part of the hanging scale. Two sliding grooves (8) are opened on one side of the outer shell (1) located on the mounting block (2). A trigger rod (9) and a push rod (10) are slidably connected in the two sliding grooves (8). A hanging scale assembly (11) is provided inside the outer shell (1) for measuring the weight of the item.

2. The high-precision intelligent crane scale according to claim 1, characterized in that, The connecting member (6) includes a sliding rod (12), which is slidably connected to the top of the sealing tube (5). The outer periphery of the sealing tube (5) is provided with a connecting groove (13) that communicates with the cavity (3). The sliding rod (12) is provided with a trigger hole (14) at the position of the inner side wall of the groove (4).

3. A high-precision intelligent crane scale according to claim 2, characterized in that, The secondary measuring component (7) includes a vertical groove (15), which is located at the top of the corner of the mounting block (2). A measuring rod (16) is slidably connected inside the vertical groove (15), and the bottom end of the measuring rod (16) is inclined.

4. A high-precision intelligent crane scale according to claim 3, characterized in that, The hanging scale assembly (11) includes an upper support rod (17), which is fixedly connected to the top of the outer shell (1). The upper support rod (17) is rotatably connected to the side of the upper support rod (17). The ends of the two rotating rods (18) are connected to springs (19). The bottom end of the springs (19) is fixedly connected to a lifting rod (20). A balance member is provided between the tops of the two lifting rods (20). The bottom ends of the two lifting rods (20) are connected to a hook (21).

5. A high-precision intelligent crane scale according to claim 4, characterized in that, The balancing component includes a central rotating shaft (22), which is rotatably connected between two opposite side walls inside the outer shell (1). A gear (23) is fixedly connected to the outer periphery of the central rotating shaft (22). A bearing rod (24) is fixedly connected between the two lifting rods (20). A rack (25) is rotatably connected to the side of the bearing rod (24) through a bearing. The rack (25) meshes with the gear (23). A stabilizing spring (26) is fixedly connected between the top side of the bearing rod (24) and the side of the rack (25). A scale dial (27) is fixedly connected to the side of the outer casing (1), and the end of the central rotating shaft (22) extends to the side of the scale dial (27) and is fixedly connected to a pointer (28).

6. A high-precision intelligent crane scale according to claim 5, characterized in that, The end of the trigger rod (9) extends into the housing (1) and is fixedly connected to the bottom of the support rod (24), and the end of the push rod (10) extends into the housing (1) and is fixedly connected to the bottom side wall of the support rod (24).

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