Wagon balance limiting structure

Abstract

The utility model discloses a wagon balance limiting structure, which belongs to the technical field of wagon balances, and comprises a bearing seat, the inner wall of the bearing seat is movably connected with the outer walls of two limiting plates respectively, the opposite surfaces of the two limiting plates are fixedly connected with a plurality of piston cylinders, the inner walls of the piston cylinders are movably connected with the outer wall of a piston rod, and the piston rod is fixedly connected with the bearing seat. A damping medium is arranged in the piston cylinder, the outer wall of the piston cylinder is connected with the inner wall of the first tray, and the outer wall of the piston rod is connected with the inner wall of the second tray. According to the wagon balance limiting structure, through the arrangement of the limiting plate, the piston cylinder, the piston rod, the limiting spring and the extension plate, in the using process of the limiting structure, the two sides of the wagon balance can be limited, so that the situation that the wagon balance seriously deviates in the process that a vehicle runs on the wagon balance or steers is avoided, meanwhile, the wagon balance can be buffered and reset, and the service life of the wagon balance is prolonged. The condition that internal elements of the wagon balance are damaged in the extrusion process is avoided, and then the service life of the wagon balance is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of floor scales, in particular to a floor scale limiting structure. Background Art

[0002] A floor scale, also known as a truck scale, is a large scale installed on the ground. It is usually used to weigh the tonnage of a truck's cargo. It is the main weighing equipment used by factories, mines, businesses, etc. for measuring bulk goods. Floor scales can be divided into analog floor scales and digital floor scales according to the sensor output signal; according to the scale structure, they can be divided into: I-beam floor scales, T-beam floor scales, L-beam floor scales, U-shaped steel floor scales, channel steel floor scales, and reinforced concrete floor scales.

[0003] A Chinese patent discloses a side limit device for a floor scale, with the publication number CN217179740U. The article states that "it includes a base plate and a positioning seat, the upper surface of the base plate is fixedly connected to a fixing frame, the interior of the fixing frame is respectively provided with a lifting slot and an adjusting slot, the interior of the adjusting slot is rotatably connected with a screw rod, the positioning seat is installed inside the lifting slot, the screw rod is threadedly matched with the positioning seat, a plurality of adjustment holes are opened on the front end surface of the positioning seat, the internal threads of the adjustment holes are threadedly matched with high-strength bolts, one end of the high-strength bolt is fixedly connected to a limit plate; by rotating the knob, the telescopic distance of the high-strength bolt is adjusted". There is a gap between the existing floor scale and the foundation pit. When the vehicle moves or turns on the floor scale, the floor scale will shake, causing the floor scale to deviate. If the floor scale is not reset and limited, it is easy to cause damage to the internal components during the deviation. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a weighbridge limiting structure, which solves the problem that there is a gap between the existing weighbridge and the foundation pit. When a vehicle moves or turns on the weighbridge, the weighbridge will shake, causing the weighbridge to shift. If the weighbridge is not reset and limited, it is easy for the internal components to be damaged during the shifting process.

[0005] The technical solution of the utility model is as follows: a floor scale limiting structure, including a load-bearing seat, the inner wall of the load-bearing seat is movably connected to the outer walls of two limit plates respectively, the opposite surfaces of the two limit plates are fixedly connected with a plurality of piston cylinders, the inner wall of the piston cylinder is movably connected to the outer wall of the piston rod, a damping medium is arranged in the piston cylinder, the outer wall of the piston cylinder is connected to the inner wall of the first pallet, the outer wall of the piston rod is connected to the inner wall of the second pallet, the opposite surfaces of the first pallet and the second pallet are connected to the two ends of the same limit spring, one end of the piston rod is connected to the corresponding side of the extension plate, and the outer wall of the extension plate is movably connected to the inner wall of the load-bearing seat.

[0006] As a further solution of the utility model: a plurality of slide grooves are provided in the load-bearing seat, and sliders are slidably connected in the plurality of slide grooves, and the top of the slider is connected to the bottom of the extension plate, and the slider and the slide groove are polished.

[0007] As a further solution of the utility model: two through grooves are provided in the load-bearing seat, a plurality of guide rails are fixedly connected in the two through grooves, and the opposite surfaces of the two guide rails are connected to the two ends of the same connecting plate, and the outer wall of the guide rail is movably connected to the inner wall of the guide block.

[0008] As a further solution of the utility model: the top of the guide block is connected to the bottom of the support frame, the top of the support frame is connected to the bottom of the extension plate, the ends of the guide blocks at both ends are connected to the opposite ends of the two fixed plates respectively, and the ends of the two fixed plates are connected to the opposite ends of the two racks respectively.

[0009] As a further solution of the utility model: the rack is meshed with the gear, the inner wall of the gear is connected to the outer wall of the rotating shaft, the outer wall of the rotating shaft is transmission connected to the inner wall of the synchronous wheel, the two synchronous wheels are transmission connected through the same synchronous belt, and the inner wall of the synchronous wheel at one end is transmission connected to the outer wall of the transmission rod.

[0010] As a further solution of the utility model: the outer wall of the transmission rod is connected to the inner wall of the worm wheel, the worm wheel is meshed with the worm, and one end of the worm is transmission-connected to the output end of the motor.

[0011] As a further solution of the utility model: one end of the motor is connected to an end corresponding to the mounting plate, and the other end of the mounting plate is connected to an end corresponding to the load-bearing seat.

[0012] As a further solution of the utility model: one end of the load-bearing seat is connected to one end corresponding to two bearing seats respectively, bearings are arranged in the bearing seats, and the transmission rod is mutually clamped with the bearing seats through the bearings.

[0013] As a further solution of the utility model: one side of the extension plate is respectively connected to one side corresponding to several rubber blocks, several threaded holes are opened in the limiting plate, the limiting plate is threadedly connected to the screw through the threaded holes, and one end of the screw is connected to one side corresponding to the rubber block.

[0014] As a further solution of the utility model: the other end of the screw is connected to a side corresponding to the knob, and an anti-slip groove is provided on the outer wall of the knob.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. The limiting structure of the weighing scale, by setting a limiting plate, a piston cylinder, a piston rod, a first tray, a second tray, a limiting spring and an extension plate, can limit the two sides of the weighing scale during use, thereby avoiding the situation where the weighing scale is seriously offset during the process of the vehicle driving or turning on the weighing scale. At the same time, the weighing scale can be buffered and reset to avoid damage to the internal components of the weighing scale during the squeezing process, thereby ensuring the service life of the weighing scale.

[0017] 2. The limiting structure of the scale, by setting a support frame, rack, gear, worm wheel and worm, can adjust the width of the scale during use, so that it can weigh trucks of different sizes, thereby improving the applicability of the scale; and through the cooperation of the worm and worm wheel, the adjusted width can be self-locked, thereby ensuring the stability after adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the limiting plate of the utility model;

[0021] Figure 3 It is a three-dimensional structural diagram of the limit spring of the utility model;

[0022] Figure 4 It is a three-dimensional structural diagram of the rack of the utility model;

[0023] Figure 5 This is a schematic structural diagram of the load-bearing seat of the utility model from the side;

[0024] In the figure: 1 load-bearing seat, 2 limit plate, 3 piston cylinder, 4 piston rod, 5 first tray, 6 second tray, 7 limit spring, 8 extension plate, 9 slide groove, 10 slider, 11 guide rail, 12 guide block, 13 fixed plate, 14 support frame, 15 through groove, 16 connecting plate, 17 rack, 18 gear, 19 rotating shaft, 20 synchronous wheel, 21 synchronous belt, 22 transmission rod, 23 worm wheel, 24 worm, 25 motor, 26 mounting plate, 27 bearing seat, 28 bearing, 29 rubber block, 30 screw, 31 knob. DETAILED DESCRIPTION

[0025] The following will be combined with 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 of 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.

[0026] like Figure 1-5As shown, the utility model provides a technical solution: a floor scale limiting structure, including a load-bearing seat 1, the inner wall of the load-bearing seat 1 is movably connected to the outer walls of two limiting plates 2, the opposite surfaces of the two limiting plates 2 are fixedly connected with a plurality of piston cylinders 3, the inner wall of the piston cylinder 3 is movably connected to the outer wall of the piston rod 4, a damping medium is arranged in the piston cylinder 3, the outer wall of the piston cylinder 3 is connected to the inner wall of the first tray 5, the outer wall of the piston rod 4 is connected to the inner wall of the second tray 6, the opposite surfaces of the first tray 5 and the second tray 6 are connected to the two ends of the same limiting spring 7, one end of the piston rod 4 is connected to the corresponding side of the extension plate 8, the outer wall of the extension plate 8 is movably connected to the inner wall of the load-bearing seat 1, a plurality of slide grooves 9 are opened in the load-bearing seat 1, and the plurality of slide grooves 9 are provided in the plurality of slide grooves 9 The bearing seat 1 is provided with two through slots 15, and a plurality of guide rails 11 are fixedly connected in the two through slots 15, and the opposite surfaces of the two guide rails 11 are connected to the two ends of the same connecting plate 16, and the outer wall of the guide rail 11 is movably connected to the inner wall of the guide block 12. By providing the guide block 12 and the guide rail 11, a guiding role can be played in the process of moving the extension plate 8, thereby avoiding the extension plate 8 from deviating during the movement. The top of the guide block 12 is connected to the bottom of the support frame 14, and the top of the support frame 14 is connected to the bottom of the extension plate 8. The ends of the guide blocks 12 at both ends that are far away from each other are divided into The rack 17 is meshed with the gear 18, the inner wall of the gear 18 is connected to the outer wall of the rotating shaft 19, the outer wall of the rotating shaft 19 is transmission-connected to the inner wall of the synchronous wheel 20, the two synchronous wheels 20 are transmission-connected through the same synchronous belt 21, the inner wall of the synchronous wheel 20 at one end is transmission-connected to the outer wall of the transmission rod 22, the outer wall of the transmission rod 22 is connected to the inner wall of the worm wheel 23, the worm wheel 23 is meshed with the worm 24, one end of the worm 24 is transmission-connected to the output end of the motor 25, by arranging the support frame 14, the rack 17, the gear 18, the worm wheel 23 and the worm 24, the weighing scale can be used in the process of use. The width of the scale can be adjusted so that it can weigh trucks of different sizes, thereby improving the applicability of the scale. The worm 24 and the worm wheel 23 cooperate with each other to self-lock the adjusted width, thereby ensuring the stability after adjustment. One end of the motor 25 is connected to the corresponding end of the mounting plate 26, and the other end of the mounting plate 26 is connected to the corresponding end of the load-bearing seat 1. By setting the mounting plate 26, it is convenient to install the motor 25 while ensuring the stability of the transmission of the motor 25. One end of the load-bearing seat 1 is respectively connected to the corresponding ends of the two bearing seats 27. The bearing seat 27 is provided with a bearing 28. The transmission rod 22 is mutually clamped with the bearing seat 27 through the bearing 28. By setting the bearing 28 and the bearing seat 27,It can play a limiting role in the process of transmission of the transmission rod 22, thereby preventing the transmission rod 22 from shaking during the transmission process and affecting its transmission efficiency, and can reduce the friction of the transmission rod 22 during the transmission process, thereby ensuring the transmission effect of the transmission rod 22. One side of the extension plate 8 is respectively connected to the side corresponding to a plurality of rubber blocks 29. A plurality of threaded holes are provided in the limit plate 2. The limit plate 2 is threadedly connected to the screw rod 30 through the threaded holes. One end of the screw rod 30 is connected to the side corresponding to the rubber block 29. By setting the screw rod 30 and the rubber block 29, the floor scale can be further limited and buffered. The other end of the screw rod 30 is connected to the side corresponding to the knob 31. The outer wall of the knob 31 is provided with an anti-slip groove 9.

[0027] The working principle of the utility model is:

[0028] When the external environment vibrates or squeezes the scale, the load-bearing seat 1 will squeeze the piston rod 4, causing the piston rod 4 to move along the piston cylinder 3. At the same time, the movement of the piston rod 4 will drive the second tray 6 to move. The movement of the second tray 6 will squeeze the limit spring 7, causing the limit spring 7 to contract. Since the piston rod 4 is movably connected to the piston cylinder 3 and a damping medium is provided inside the piston cylinder 3, the elastic force generated by the reset of the limit spring 7 will be slowly offset, thereby achieving the effect of vibration reduction and limiting. When the width of the scale needs to be adjusted, the motor 25 is started, and the rotation of the motor 25 drives the worm 24 to rotate. Since the worm 24 is meshed with the worm wheel 23, the worm wheel 23 can be driven to rotate. The rotation of the worm gear 23 drives the transmission rod 22 to rotate, and the rotation of the transmission rod 22 drives the synchronous wheel 20 to rotate. The synchronous wheel 20 at one end drives the synchronous wheel 20 at the other end to rotate synchronously through the synchronous belt 21, which can drive the two gears 18 to rotate synchronously. Since the gear 18 is meshed with the rack 17, the rack 17 can be driven to move, and the movement of the rack 17 drives the fixed plate 13 to move, and the movement of the fixed plate 13 drives the guide block 12 to move, and the movement of the guide block 12 drives the support frame 14 to move, and the movement of the support frame 14 drives the extension plate 8 to move, so as to adjust the width of the load-bearing seat 1. After the adjustment is completed, the worm 24 and the worm gear 23 can be used for self-locking and limiting.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A floor scale limit structure, comprising a load-bearing seat (1), characterized in that: The inner wall of the load-bearing seat (1) is movably connected to the outer walls of the two limit plates (2), and the opposite surfaces of the two limit plates (2) are fixedly connected with a plurality of piston cylinders (3). The inner wall of the piston cylinder (3) is movably connected to the outer wall of the piston rod (4). A damping medium is arranged in the piston cylinder (3). The outer wall of the piston cylinder (3) is connected to the inner wall of the first tray (5), and the outer wall of the piston rod (4) is connected to the inner wall of the second tray (6). The opposite surfaces of the first tray (5) and the second tray (6) are connected to the two ends of the same limit spring (7). One end of the piston rod (4) is connected to the corresponding side of the extension plate (8), and the outer wall of the extension plate (8) is movably connected to the inner wall of the load-bearing seat (1).

2. A floor scale limit structure according to claim 1, characterized in that: The load-bearing seat (1) is provided with a plurality of slide grooves (9), each of which is slidably connected with a slider (10), the top of each slider (10) is connected to the bottom of the extension plate (8), and both the slider (10) and the slide groove (9) are polished.

3. A floor scale limit structure according to claim 1, characterized in that: The load-bearing seat (1) is provided with two through grooves (15), and a plurality of guide rails (11) are fixedly connected in the two through grooves (15), and the opposite surfaces of the two corresponding guide rails (11) are connected to the two ends of the same connecting plate (16), and the outer wall of the guide rail (11) is movably connected to the inner wall of the guide block (12).

4. A floor scale limit structure according to claim 3, characterized in that: The top of the guide block (12) is connected to the bottom of the support frame (14), the top of the support frame (14) is connected to the bottom of the extension plate (8), the ends of the guide blocks (12) at both ends that are away from each other are respectively connected to the ends opposite to each other of the two fixed plates (13), and the ends of the two fixed plates (13) that are away from each other are respectively connected to the ends opposite to each other of the two racks (17).

5. A floor scale limit structure according to claim 4, characterized in that: The rack (17) is meshed with the gear (18), the inner wall of the gear (18) is connected to the outer wall of the rotating shaft (19), the outer wall of the rotating shaft (19) is transmission-connected to the inner wall of the synchronous wheel (20), the two synchronous wheels (20) are transmission-connected through the same synchronous belt (21), and the inner wall of the synchronous wheel (20) at one end is transmission-connected to the outer wall of the transmission rod (22).

6. A floor scale limit structure according to claim 5, characterized in that: The outer wall of the transmission rod (22) is connected to the inner wall of the worm wheel (23), the worm wheel (23) is meshed with the worm (24), and one end of the worm (24) is drivingly connected to the output end of the motor (25).

7. A floor scale limit structure according to claim 6, characterized in that: One end of the motor (25) is connected to a corresponding end of the mounting plate (26), and the other end of the mounting plate (26) is connected to a corresponding end of the load-bearing seat (1).

8. A floor scale limit structure according to claim 6, characterized in that: One end of the load-bearing seat (1) is connected to one end of two corresponding bearing seats (27), a bearing (28) is arranged inside the bearing seat (27), and the transmission rod (22) is mutually clamped with the bearing seat (27) via the bearing (28).

9. A floor scale limit structure according to claim 1, characterized in that: One side of the extension plate (8) is respectively connected to one side corresponding to a plurality of rubber blocks (29); a plurality of threaded holes are provided in the limit plate (2); the limit plate (2) is threadedly connected to a screw rod (30) through the threaded holes; one end of the screw rod (30) is connected to one side corresponding to the rubber block (29).

10. A floor scale limit structure according to claim 9, characterized in that: The other end of the screw rod (30) is connected to a corresponding side of the knob (31), and an anti-slip groove (9) is provided on the outer wall of the knob (31).

Images