Balance weighing device with sensor

Abstract

The utility model belongs to the technical field of hoisting mechanical equipment, and relates to a balance weighing device with a sensor, which comprises a connecting frame, a sensor weighing shaft arranged on the connecting frame, and a balance swing rod of which the middle part is rotatably connected with the sensor weighing shaft, and two ends of the balance swing rod are respectively connected with a first steel wire rope and a second steel wire rope. A sensor weighing shaft is electrically connected with a signal receiver, a balance swing rod can rotate to adjust the balance angle, and it is guaranteed that the first steel wire rope and the second steel wire rope are evenly stressed all the time. The signal receiver can receive bearing data of the sensor weighing shaft and monitor the bearing state of the steel wire rope; while the first steel wire rope and the second steel wire rope are uniformly stressed, the hoisting load can be prevented from exceeding the safety load range of the steel wire ropes, timely correction is facilitated, breakage of the steel wire ropes is avoided, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoisting machinery equipment technical field relates to a balance weighing device with sensor. BACKGROUND

[0002] At present, the connection of the end of the steel wire rope of hoisting equipment is generally in one of the following two ways: 1. fixed connection, which cannot guarantee the uniform force of the steel wire rope at the same lifting point, and there is a risk of overloading use; 2. balanced bar type of ordinary round shaft, which can guarantee the uniform force of the steel wire rope at the same lifting point, but cannot monitor the force of the steel wire rope and guarantee the hoisting load within the safe load range of the steel wire rope. SUMMARY

[0003] The utility model discloses a balance weighing device with sensor, which can prevent the hoisting load from exceeding the safe load range of the steel wire rope while guaranteeing the uniform force of the steel wire rope at the same lifting point, and is convenient for timely correction and avoidance of steel wire rope rupture and reduction of safety hazards.

[0004] According to the technical scheme of the utility model: a balance weighing device with sensor, comprising a connecting frame, a sensor weighing shaft mounted on the connecting frame, and a balance swing lever rotationally connected to the middle part of the sensor weighing shaft, the two ends of the balance swing lever are connected with a first steel wire rope and a second steel wire rope respectively, the sensor weighing shaft is electrically connected with a signal receiver, and the balance swing lever can adjust the force angle of the first steel wire rope and the second steel wire rope with the balance swing lever; the uniform force of the first steel wire rope and the second steel wire rope is always guaranteed.

[0005] As a further improvement of the utility model, the two ends of the balance swing lever are respectively hinged with a first joint and a second joint, one end of the first steel wire rope is connected with the first joint, and one end of the second steel wire rope is connected with the second joint.

[0006] As a further improvement of the utility model, the first joint is provided with a first mounting cavity, a first wedge-shaped block is mounted in the first mounting cavity, and one end of the first steel wire rope is wound around the first wedge-shaped block.

[0007] The second joint is provided with a second mounting cavity, a second wedge-shaped block is mounted in the second mounting cavity, and one end of the second steel wire rope is wound around the second wedge-shaped block.

[0008] As a further improvement of the utility model, the sensor weighing shaft is provided with a limiting groove, the connecting frame is provided with an end shaft baffle, one side of the end shaft baffle abuts against the inner side wall of the limiting groove to prevent the sensor weighing shaft from rotating and axially moving relative to the connecting frame.

[0009] As a further improvement of the utility model, the connecting frame comprises a connecting support and a connecting rod connected with the connecting support, the sensor weighing shaft is mounted on the connecting support, and the connecting rod is connected with a buffer assembly at an end away from the connecting support, the buffer assembly is used for absorbing the impact received by the connecting rod to prevent the connecting frame from being rigidly collided.

[0010] As a further improvement of the utility model, the buffer assembly comprises an anti-dropping rod mounted on the connecting rod, a buffer nut threadedly connected with the connecting rod and an elastic component, one end of the buffer nut abuts against the anti-dropping rod, the buffer nut is located between the anti-dropping rod and the elastic component, and one end of the elastic component is connected with the connecting rod.

[0011] When the connecting rod is impacted, the anti-dropping rod and the buffer nut are driven to compress the elastic component, so that the elastic component absorbs the impact force transmitted by the connecting rod.

[0012] As a further improvement of the utility model, the number of the buffer nuts is at least two, and the adjacent two buffer nuts are connected with the connecting rod in parallel.

[0013] When the elastic component is in a normal state, one end of the elastic component abuts against the end face of one of the buffer nuts.

[0014] As a further improvement of the utility model, the connecting support is provided with a mounting hole, the connecting rod is detachably connected with a mounting pin, and the mounting pin is rotationally fitted in the mounting hole.

[0015] As a further improvement of the utility model, the elastic component is a butterfly spring.

[0016] As a further improvement of the utility model, the anti-dropping rod is perpendicular to the connecting rod, and the end face of the buffer nut abuts against one side of the anti-dropping rod.

[0017] The technical effect of the utility model lies in that the balance swing rod rotation can adjust the angle between the first steel wire rope, the second steel wire rope and the balance swing rod, so that the stress of the first steel wire rope and the second steel wire rope is consistent; the sensor weighing shaft can monitor the hoisting load weight in real time through data transmission, prevent the hoisting load from exceeding the safe load range of the steel wire rope, facilitate timely and correct correction, avoid the steel wire rope from being broken, and reduce the safety hidden danger. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the balance weighing device with the sensor.

[0019] Figure 2 It is a structure sectional view of the balanced weighing device of the belt sensor.

[0020] Figure 3 It is an enlarged view of A in Figure 2

[0021] Figure 4 It is a perspective view of the balanced weighing device of the belt sensor. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model will be further described below in combination with the drawings.

[0023] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments, and the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0024] As Figures 1-4 The utility model provides a balanced weighing device of belt sensor, including connecting frame 1, install in connecting frame 1's sensor weighing shaft 2, and the balance pendulum 3 of middle portion and sensor weighing shaft 2 rotation connection, the both ends of balance pendulum 3 are connected first steel wire rope 01 and second steel wire rope 02, sensor weighing shaft 2 electrically connected with signal receiver 03, in actual application, the stress value of sensor weighing shaft 2 is monitored in real time through signal receiver 03, so that the lifting load is controlled within the safe load range of steel wire rope, avoid overloading and cause the rupture of steel wire rope, reduce the potential safety hazard, normal state, first steel wire rope 01 and second steel wire rope 02 length is consistent, and balance pendulum 3 is in horizontal balanced state, and first steel wire rope 01 and second steel wire rope 02 are consistent, and are all 1 / 2 of sensor weighing shaft monitoring value, when first steel wire rope 01 and second steel wire rope 02 length are inconsistent, have slight gap, and balance pendulum 3 rotates around sensor weighing shaft 2, and the stress angle of balance pendulum 3 and first steel wire rope 01 and second steel wire rope 02 is adjusted, so that first steel wire rope 01 and second steel wire rope 02 are consistent, and are all 1 / 2 of sensor weighing shaft monitoring value.

[0025] As Figure 4 ​As shown, in the embodiment, the two ends of the balance swing rod 3 are respectively hinged with a first joint 4 and a second joint 5, one end of the first steel wire rope 01 is connected with the first joint 4, and one end of the second steel wire rope 02 is connected with the second joint 5; in actual application, the first steel wire rope 01 can drive the first joint 4 to rotate relative to the balance swing rod 3, the second steel wire rope 02 can drive the second joint 5 to rotate relative to the balance swing rod 3, and the first steel wire rope 01 and the second steel wire rope 02 can change the included angle between them and the balance swing rod 3, so as to facilitate the connection frame 1 to connect the first steel wire rope 01 and the second steel wire rope 02 in multiple directions, and improve the application range.

[0026] As shown in the drawings, Figure 4 As shown, in the embodiment, the first joint 4 is provided with a first mounting cavity 41, a first wedge block 42 is installed in the first mounting cavity 41, one end of the first steel wire rope 01 is wound on the first wedge block 42, one end of the first steel wire rope 01 is stably wound on the first wedge block 42, and the connection between the first steel wire rope 01 and the first wedge block 42 is protected by the first mounting cavity 41, so as to ensure the stable connection between the first steel wire rope 01 and the first wedge block 42.

[0027] The second joint 5 is provided with a second mounting cavity 51, a second wedge block 52 is installed in the second mounting cavity 51, one end of the second steel wire rope 02 is wound on the second wedge block 52, one end of the second steel wire rope 02 is stably wound on the second wedge block 52, and the connection between the second steel wire rope 02 and the second wedge block 52 is protected by the second mounting cavity 51, so as to ensure the stable connection between the second steel wire rope 02 and the second wedge block 52.

[0028] As shown in the drawings, Figure 2 , 3 As shown, in the embodiment, the sensor weighing shaft 2 is provided with a limiting groove 6, the connection frame 1 is provided with an end shaft baffle 7, one side of the end shaft baffle 7 abuts against the inner side wall of the limiting groove 6 to block the rotation and axial movement of the sensor weighing shaft 2 relative to the connection frame 1, and the stable connection between the sensor weighing shaft 2 and the connection frame 1 is realized; specifically, the end shaft baffle 7 is bolted to the connection frame 1, when the sensor weighing shaft 2 needs to be replaced or cleaned, the end shaft baffle 7 is removed and separated from the limiting groove 6, so that the sensor weighing shaft 2 can be quickly installed or removed.

[0029] As shown in the drawings, Figure 1 , 4 As shown, in the embodiment, the connection frame 1 comprises a connection support 101 and a connecting rod 102 connected with the connection support 101, the sensor weighing shaft 2 is installed on the connection support 101, and the connecting rod 102 is connected with a buffer assembly 8 at the end away from the connection support 101, the buffer assembly 8 is used to absorb the impact received by the connecting rod 102 to prevent the connection frame 1 from producing rigid collision, so as to facilitate the protection of the connection frame 1 and ensure the stable use of the connection frame 1.

[0030] As shown in Figure 1 , 2 , in the embodiment, the buffer assembly 8 comprises a anti-off rod 81 mounted on the connecting rod 102, a buffer nut 82 threadedly connected to the connecting rod 102, and an elastic component 83, one end of the buffer nut 82 abuts against the anti-off rod 81, the buffer nut 82 is located between the anti-off rod 81 and the elastic component 83, and one end of the elastic component 83 is connected to the connecting rod 102; in actual application, the movement of the buffer nut 82 is limited by the anti-off rod 81 and the elastic component 83, so that the buffer nut 82 is stably mounted on the connecting rod 102, when the connecting rod 102 is impacted, the buffer nut 82 compresses the elastic component 83, so that the elastic component 83 absorbs the impact force transmitted by the connecting rod 102, thereby preventing the connecting frame 1 from being rigidly impacted and ensuring the stable use of the connecting frame 1.

[0031] As shown in Figure 1 , 2 , in the embodiment, the number of the buffer nuts 82 is two, and the two buffer nuts 82 are connected side by side to the connecting rod 102, when the elastic component 83 is in a normal state, one end of the elastic component 83 abuts against the end face of one of the buffer nuts 82; in actual application, when the connecting rod 102 is impacted by external force, the impact force is transmitted to the buffer nut 82 after passing through the anti-off rod 81, the buffer nut 82 transmits the impact force received to the elastic component 83, and the elastic component 83 absorbs the impact force, thereby preventing the connecting frame 1 from being rigidly impacted; by providing two buffer nuts 82, after the buffer nut 82 transmits the impact force to the elastic component 83, since the two buffer nuts 82 are both threadedly connected to the connecting rod 102, the displacement of the buffer nut 82 close to the anti-off rod 81 under the action of force is blocked by the other buffer nut 82 away from the anti-off rod 81, thereby realizing that the buffer nut 82 transmits the impact force to the elastic component 83, and the position of the buffer nut 82 does not change, so as to facilitate the buffer nut 82 to continuously and stably transmit the impact force and facilitate the repeated use of the buffer assembly 8.

[0032] As shown in Figure 2 , in the embodiment, the connecting bracket 101 is provided with a mounting hole 1011, and the connecting rod 102 is detachably connected with a mounting pin 1021, the mounting pin 1021 is rotationally fitted in the mounting hole 1011, and the connecting rod 102 can be smoothly replaced or cleaned by mounting or dismounting the connecting rod 102, so that the mounting is convenient; since the mounting pin 1021 is rotationally fitted in the mounting hole 1011, the connecting rod 102 can be smoothly swung relative to the connecting bracket 101, and the universality is improved.

[0033] In the embodiment, the elastic component 83 is a butterfly spring, which facilitates the repeated absorption of the impact received by the connecting rod 102.

[0034] As Figure 1 、 2 shown in the embodiment, the anti-off rod 81 is perpendicular to the connecting rod 102, the end surface of the buffer nut 82 abuts one side of the anti-off rod 81, the contact area of the anti-off rod 81 and the buffer nut 82 is a straight line and parallel to the axis of the anti-off rod 81, which facilitates stable and uniform transmission of the impact force received by the connecting rod 102.

[0035] The utility model can realize: (1) the balance swing rod can rotate around the sensor load shaft, and the force angle of the two steel wire ropes is fine-tuned, so that the two steel wire ropes are uniform and consistent, and each is 1 / 2 of the force of the sensor load shaft; (2) prevent the hoisting load of the steel wire rope from exceeding the safe load range of the steel wire rope, the signal receiver can receive the force value monitored by the sensor load shaft in real time, monitor the force state of the steel wire rope, and alarm when the hoisting load exceeds the safe range, to avoid overload.

[0036] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to examples, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the utility model technical solutions, and they should be covered in the scope of the claims of the utility model.

Claims

1. A load cell with a sensor, characterized by: The utility model provides a sensor load cell, including connecting frame (1), install sensor load cell (2) of connecting frame (1), and the balance pendulum rod (3) of middle portion and sensor load cell (2) rotation connection, balance pendulum rod (3) two ends are connected first steel wire rope (01) and second steel wire rope (02) respectively, sensor load cell (2) electric connection has signal receiver (03), balance pendulum rod (3) rotation can adjust first steel wire rope (01) and second steel wire rope (02) with the stress angle of balance pendulum rod (3), always guarantee first steel wire rope (01) and second steel wire rope (02) stress even.

2. The load cell with sensor as claimed in claim 1, wherein: The both ends of the balance pendulum rod (3) are respectively hinged with a first joint (4) and a second joint (5), one end of the first steel wire rope (01) is connected with the first joint (4), and one end of the second steel wire rope (02) is connected with the second joint (5).

3. The load cell with sensor as claimed in claim 2, wherein: The first joint (4) is provided with a first mounting cavity (41), a first wedge block (42) is installed in the first mounting cavity (41), and one end of the first steel wire rope (01) is wound on the first wedge block (42). The second joint (5) is provided with a second mounting cavity (51), a second wedge block (52) is installed in the second mounting cavity (51), and one end of the second steel wire rope (02) is wound on the second wedge block (52).

4. The load cell with sensor of claim 1, wherein: The sensor load cell (2) is provided with a limiting groove (6), the connecting frame (1) is provided with an end shaft baffle (7), one side of the end shaft baffle (7) abuts against the inner side wall of the limiting groove (6) to block the rotation and axial movement of the sensor load cell (2) relative to the connecting frame (1).

5. The load cell with sensor of claim 1, wherein: The connecting frame (1) comprises a connecting support (101) and a connecting rod (102) connected with the connecting support (101), the sensor load cell (2) is installed on the connecting support (101), one end of the connecting rod (102) away from the connecting support (101) is connected with a buffer assembly (8), and the buffer assembly (8) is used for absorbing the impact received by the connecting rod (102) to prevent rigid collision of the connecting frame (1).

6. The load cell with sensor as claimed in claim 5, wherein: The buffer assembly (8) comprises an anti-dropping rod (81) installed on the connecting rod (102), a buffer nut (82) screwed on the connecting rod (102), and an elastic component (83), one end of the buffer nut (82) abuts against the anti-dropping rod (81), the buffer nut (82) is located between the anti-dropping rod (81) and the elastic component (83), and one end of the elastic component (83) is connected with the connecting rod (102). When the connecting rod (102) is impacted, the buffer nut (82) compresses the elastic component (83) to enable the elastic component (83) to absorb the impact force transmitted by the connecting rod (102).

7. The load cell with sensor as claimed in claim 6, wherein: The number of the buffer nuts (82) is at least two, and the adjacent two buffer nuts (82) are connected side by side on the connecting rod (102). When the elastic component (83) is in a normal state, one end of the elastic component (83) abuts against the end face of one of the buffer nuts (82).

8. The load cell with sensor of claim 5, wherein: The connecting support (101) is provided with a mounting hole (1011), and the connecting rod (102) is detachably connected with a mounting pin (1021) which is rotationally fitted in the mounting hole (1011).

9. The load cell with sensor of claim 6, wherein: The elastic component (83) is a butterfly spring.

10. The load cell with sensor of claim 6, wherein: The anti-disengagement rod (81) is perpendicular to the connecting rod (102), and the end surface of the buffer nut (82) abuts against one side of the anti-disengagement rod (81).

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