Wagon balance for safe limiting of truck
By using a threaded rod and circular plate design, combined with a dual-axis motor drive, the weighbridge achieves horizontal and longitudinal limits on truck wheels, solving the problem that existing weighbridges cannot fully limit movement, thus improving work efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-04-07
AI Technical Summary
Existing weighbridges cannot simultaneously meet the horizontal and longitudinal limiting requirements of trucks, which makes them prone to slipping during driving or longitudinal deviation due to uneven tire pressure or inconsistent tire wear, making them inconvenient to use.
The design employs a threaded rod and a circular plate. The threaded rod is driven to rotate by a dual-axis motor, causing the limiting plate and the rotating plate to combine into an L-shape. Combined with the movement of the lifting plate and the sliding rod, it achieves comprehensive limitation of the truck wheels, including horizontal and longitudinal limitation.
It achieves automatic and comprehensive limiting of trucks, improves work efficiency, reduces manual operation, enhances safety and applicability, and adapts to the limiting needs of different sized wheels.
Smart Images

Figure CN224095247U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to truck ground lever technical field, concretely is a kind of ground lever for truck safety limiting. BACKGROUND
[0002] Ground lever, also known as truck scale, is a large scale set on the ground, usually used to weigh the truck load. It is the main weighing equipment for large cargo measurement in factories, mines, businesses and other places. Ground lever can be divided into the following types according to the structure of the scale body: I-beam ground lever, T-beam ground lever, L-beam steel ground lever, U-beam steel ground lever, channel steel ground lever and reinforced concrete ground lever. According to the type of sensor, it can be divided into digital ground lever and analog ground lever.
[0003] After searching patent application No. CN202420903611.6, the utility model discloses a ground lever limiting structure, belongs to ground lever technical field, this ground lever limiting structure, through setting limiting plate, piston cylinder, piston rod, limiting spring and extension plate, the limiting structure in the process of using, can limit the both sides of ground lever, to avoid the situation that ground lever is seriously deviated in the process that vehicle drives or turns on ground lever, at the same time, it can buffer and reset ground lever, avoid the internal components damage in the process of extrusion, thereby guarantee the service life of ground lever, when using, it is easy to have the emergence of flying insects or ants and other things, and enter the equipment through the heat dissipation hole, which may cause equipment failure or fire explosion and other dangerous conditions, and it is not convenient for long-term outdoor use of equipment.
[0004] After searching patent application No. CN201921091435.6, the utility model discloses a side limiting device for ground lever, relating to the manufacturing technology field of ground lever. The side limiting device for ground lever can be installed and fixed in advance, and is delivered with the weighing platform equipment as a standard part to reduce production cost. The movable slot on the structure is used to install bolts, which can adjust the installation position and length of the bolts. The bolts contact with the weighing platform to prevent the weighing platform from moving horizontally. In addition, compared with the integrated connecting piece formed by welding, the improved stress device enhances the stability and compression resistance between structures, prolongs the service life of the device, reduces the cost, improves the work efficiency, and facilitates the use of users. During use, due to the influence of factors such as vehicle sliding during driving, the truck is easy to drive out of the ground lever. In addition, during long-time driving, uneven tire pressure or inconsistent tire wear can cause the truck to deviate longitudinally. The existing ground lever cannot meet the horizontal and longitudinal limiting requirements of the truck at the same time, and cannot fully limit the truck, which is not convenient to use. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of for truck safety limiting's weighbridge, by the rotation of screw rod and round plate can simultaneously let lifting plate move downwards, and limiting plate is close together with wheel, limiting plate can be positioned to the both sides of wheel, by the downward movement of lifting plate, so that rotating plate is located in the front and back of wheel, solved the influence of truck in the process of driving by factors such as car sliding, easy to drive out of weighbridge, and tire air pressure imbalance or tire wear degree is inconsistent in the process of long time driving of truck can lead to longitudinal deviation of truck, existing weighbridge cannot simultaneously meet the horizontal and longitudinal limiting requirements of truck, cannot be positioned to truck comprehensively, inconvenient to use Problem.
[0006] To realize above-mentioned purpose, the utility model discloses a kind of for truck safety limiting's weighbridge, including weighbridge body, the top of the weighbridge body both sides is provided with limiting mechanism, the top surface of the weighbridge body is provided with anti-skid groove, the quantity of the anti-skid groove is multiple, multiple the anti-skid groove is horizontally collinear arrangement, the top of the weighbridge body is provided with motion plate, and the bottom end of motion plate is in contact with weighbridge body, the side of motion plate away from anti-skid groove is provided with support.
[0007] The, the limiting mechanism includes limiting plate, the side of the limiting plate away from motion plate is provided with rotating plate, the rotating plate is in contact with limiting plate, the top of the rotating plate is fixedly provided with gear, the side of the gear is provided with fixed plate, and the other side of gear is provided with push rod, the one end of the fixed plate is fixedly provided with sliding rod, the top of the limiting plate is provided with lug, the distance between the one end of the lug and sliding rod is equal to the distance between fixed plate and gear, the inside of the weighbridge body is provided with hole slot, the inside of the hole slot is provided with double-shaft motor, and the output shaft end of double-shaft motor is provided with screw rod, the quantity of the screw rod is two, the one end of each screw rod away from double-shaft motor is fixedly provided with round plate, the top of the round plate is provided with lifting plate, the lifting plate is slidably connected with motion plate, the both sides of the lifting plate are provided with variable rod, the variable rod is inclined arrangement.
[0008] Preferably, the both sides of the motion plate are fixedly provided with guide rod, the one end of the guide rod away from the motion plate extends to the inside of the limiting plate, and is slidably connected with the limiting plate.
[0009] Preferably, the side surface of the sliding rod close to the gear is provided with rack rail, and the rack rail and the fixed plate are in contact with the rotating plate, and the rack rail is engaged with the gear.
[0010] Preferably, the top of the gear is provided with support rod, one end of the support rod is fixedly connected with the limiting plate, and the other end of the support rod is rotatably connected with the gear.
[0011] Preferably, the two ends of the variable lever are respectively provided with a first circular block and a second circular block, and the two ends of the variable lever are hingedly connected with the first circular block and the second circular block.
[0012] Preferably, the first circular block is fixedly connected with a pushing rod, the second circular block is fixedly connected with a lifting plate, and the top of the pushing rod is provided with a cross rod.
[0013] Preferably, the cross rod is in the shape of "L" in cross section and is fixedly connected with a moving plate, and the pushing rod is slidingly connected with the cross rod.
[0014] Preferably, the bottom of the lifting plate is provided with a connecting spring, and the side of the lifting plate away from the moving plate is provided with a telescopic rod.
[0015] Preferably, the bottom of the lifting plate is provided with a connecting rod, the outer side of the circular plate is wound with a steel wire rope, and the steel wire rope is fixedly connected with the telescopic rod through the connecting rod.
[0016] Preferably, the outer side of the end of the threaded rod away from the double-shaft motor is provided with a sliding sleeve, the sliding sleeve is threadedly connected with the threaded rod, the top of the sliding sleeve is fixedly provided with a vertical plate, and the sliding sleeve is fixedly connected with the moving plate through the vertical plate. Beneficial effects
[0017] The utility model provides a kind of for truck safety limiting's ground weight, compared with prior art has following beneficial effects:
[0018] 1, the ground weight for truck safety limiting, by double-shaft motor can let threaded rod and circular plate rotate simultaneously, improve the efficiency of work, when threaded rod rotates, can let limiting plate gradually close to truck wheel, limit work is carried out to the two sides of truck wheel, by the rotation of circular plate, lifting plate is moved downward, so that sliding rod moves, let rotating plate rotate simultaneously, rotating plate and limiting plate are combined into an L shape as far as possible, facilitate subsequent operation, and by sliding rod continue to move, the position of limiting plate can be adjusted, the distance between the moving plate can be reduced, to facilitate rotating plate and truck wheel close together, limit work is carried out to the front and rear sides of truck wheel, so that the horizontal and longitudinal position of truck can be automatically satisfied, and manual operation is reduced, and truck is automatically positioned comprehensively.
[0019] 2, the ground weight for truck safety limiting, by the distance between the two lifting plates reduces, the length of telescopic rod can be increased, without affecting the movement of limiting plate and lifting plate, and by telescopic rod, connecting rod can be always connected with lifting plate, to ensure that lifting plate moves downward by connecting rod subsequently, convenient operation. DRAWINGS
[0020] Figure 1The whole structure schematic view of the utility model;
[0021] Figure 2 The limiting mechanism perspective view of the utility model;
[0022] Figure 3 The weighbridge body and threaded rod perspective view of the utility model;
[0023] Figure 4 The double-shaft motor and sliding sleeve perspective view of the utility model;
[0024] Figure 5 The whole structure plan view of the utility model.
[0025] In the figure: 1, the weighbridge body;2, the limiting mechanism;201, the limiting plate;202, the rotating plate;203, the gear;204, the fixed plate;205, the push rod;206, the sliding rod;207, the protruding block;208, the hole groove;209, the double-shaft motor;210, the threaded rod;211, the round plate;212, the lifting plate;213, the variable rod;214, the support rod;215, the first round block;216, the second round block;217, the cross bar;218, the telescopic rod;219, the connecting rod;220, the steel wire rope;221, the sliding sleeve;222, the vertical plate;3, the anti-skid groove;4, the moving plate;5, the guide rod;6, the support. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-2 And 5, the utility model provides a technical scheme: a kind of weighbridge for truck safety limiting, including weighbridge body 1, the top of weighbridge body 1 both sides is provided with limiting mechanism 2, the top surface of weighbridge body 1 is provided with anti-skid groove 3, the number of anti-skid groove 3 is multiple, multiple anti-skid groove 3 are horizontally collinear, by multiple anti-skid groove 3 can reduce the deviation of truck, it is convenient to limit truck, the top of weighbridge body 1 is provided with moving plate 4, and the bottom end of moving plate 4 is in contact with weighbridge body 1, and moving plate 4 is provided with support 6 on the side away from anti-skid groove 3.
[0028] The limiting mechanism 2 comprises a limiting plate 201, the side away from the moving plate 4 of the limiting plate 201 is provided with a rotating plate 202, the rotating plate 202 is in contact with the limiting plate 201, the top of the rotating plate 202 is fixedly provided with a gear 203, one side of the gear 203 is provided with a fixed plate 204, and the other side of the gear 203 is provided with a push rod 205, one end of the fixed plate 204 is fixedly provided with a sliding rod 206, the top of the limiting plate 201 is provided with a protrusion 207, when the sliding rod 206 continuously moves, the fixed plate 204 can also move, and then the fixed plate 204 is in contact with the gear 203, the distance between the protrusion 207 and one end of the sliding rod 206 is equal to the distance between the fixed plate 204 and the gear 203, so that one end of the sliding rod 206 is also in contact with the protrusion 207, which is convenient for subsequent operation, when the sliding rod 206 continues to move, the protrusion 207 and the limiting plate 201 are pushed to move at the same time, the position of the limiting plate 201 can be adjusted, the distance between the limiting plate 201 and the moving plate 4 can be reduced, the rotating plate 202 can be close to the wheel, different sizes of wheels can be adapted, and the application range is improved, the inside of the weighbridge body 1 is provided with a hole slot 208, the inside of the hole slot 208 is provided with a double-shaft motor 209, the output shaft end of the double-shaft motor 209 is provided with a threaded rod 210, the number of the threaded rods 210 is two, one end of each threaded rod 210 away from the double-shaft motor 209 is fixedly provided with a circular plate 211, the upper side of the circular plate 211 is provided with a lifting plate 212, the lifting plate 212 is in sliding connection with the moving plate 4, and the two sides of the lifting plate 212 are provided with variable rods 213, and the variable rods 213 are inclined.
[0029] Both sides of the motion plate 4 are fixedly provided with guide rods 5, one end of the guide rod 5 away from the motion plate 4 extends to the inside of the limiting plate 201, and is in sliding connection with the limiting plate 201, the side surface close to the gear 203 of the sliding rod 206 is provided with a toothed rail, and the toothed rail and the fixed plate 204 are in contact with the rotating plate 202, the toothed rail is in mesh with the gear 203, the top of the gear 203 is provided with a supporting rod 214, one end of the supporting rod 214 is fixedly connected with the limiting plate 201, and the other end of the supporting rod 214 is rotatably connected with the gear 203, both ends of the variable rod 213 are provided with a first circular block 215 and a second circular block 216 respectively, both ends of the variable rod 213 are hingedly connected with the first circular block 215 and the second circular block 216 respectively, the first circular block 215 is fixedly connected with the push rod 205, the second circular block 216 is fixedly connected with the lifting plate 212, the top of the push rod 205 is provided with a cross rod 217, the cross section shape of the cross rod 217 is "L" shape, and is fixedly connected with the motion plate 4, the push rod 205 is in sliding connection with the cross rod 217, in the process that the second circular block 216 moves downward, since both ends of the variable rod 213 are hingedly connected with the first circular block 215 and the second circular block 216 respectively, through the downward movement of the second circular block 216, the inclination angle of the variable rod 213 can be changed, and the first circular block 215 can be moved, the position of the first circular block 215 is simultaneously moved, and the push rod 205 fixedly connected with the first circular block 215 is simultaneously moved, the working efficiency is improved, the push rod 205 can move along the cross rod 217, since the push rod 205 is fixedly connected with the sliding rod 206, through the movement of the push rod 205, the sliding rod 206 can move together, the toothed rail fixedly connected with the sliding rod 206 can simultaneously move, the toothed rail can be meshed with the gear 203 together, so that the gear 203 starts to rotate, the rotating plate 202 fixedly connected with the gear 203 simultaneously rotates, the rotating plate 202 rotates by a certain angle, the rotating plate 202 and the limiting plate 201 are combined into an L shape as far as possible, facilitating subsequent operation, when the motion plate 4 moves, the guide rods 5 on both sides can simultaneously move, and through the guide rods 5, the limiting plate 201, the rotating plate 202 and the surrounding structure can simultaneously move, the working efficiency is improved, the limiting plate 201 gradually approaches the wheel, the wheel around can be limited, the safety is improved, and through the movement of the motion plate 4, the lifting plate 212 can simultaneously move, when the lifting plate 212 moves, the length of the telescopic rod 218 will not affect the movement, facilitating subsequent operation.
[0030] Please refer to Figures 1-2The bottom of the lifting plate 212 is provided with a connecting spring, the connecting spring is extruded by the downward movement of the lifting plate 212, the steel wire rope 220 is wound on the upper side of the circular plate 211 by the rotation of the circular plate 211, the recovery of the steel wire rope 220 is realized, because the top end of the steel wire rope 220 is fixedly connected with the connecting rod 219, the downward movement of the connecting rod 219 is realized by the recovery of the steel wire rope 220, the side of the lifting plate 212 away from the movement plate 4 is provided with the telescopic rod 218, the lower side of the lifting plate 212 is provided with the connecting rod 219, the outer side of the circular plate 211 is wound with the steel wire rope 220, the steel wire rope 220 is fixedly connected with the telescopic rod 218 through the connecting rod 219, the downward movement of the telescopic rod 218 is realized by the downward movement of the connecting rod 219, the downward movement of the lifting plate 212 is realized, the second circular block 216 at the lifting plate 212 is simultaneously moved downward.
[0031] Please refer to Figure 1 and 3 -4, the outer side of the end of the threaded rod 210 away from the double-shaft motor 209 is provided with the sliding sleeve 221, the sliding sleeve 221 is threadedly connected with the threaded rod 210, the top of the sliding sleeve 221 is fixedly provided with the vertical plate 222, the sliding sleeve 221 is fixedly connected with the movement plate 4 through the vertical plate 222, because the output shaft end of the double-shaft motor 209 is drivingly connected with the threaded rod 210, the threaded rod 210 is rotated by the double-shaft motor 209, and the circular plate 211 fixedly connected with the threaded rod 210 is simultaneously rotated, in the process of the rotation of the threaded rod 210, because the threaded rod 210 is threadedly connected with the sliding sleeve 221, the distance between the two sliding sleeves 221 is reduced by the rotation of the threaded rod 210, the vertical plate 222 fixedly connected with the sliding sleeve 221 is simultaneously moved, because the vertical plate 222 is located in an anti-skid groove 3, the vertical plate 222 is moved in the anti-skid groove 3, and the movement plate 4 above is simultaneously moved by the movement of the vertical plate 222, the position of the movement plate 4 is adjusted, and the distance between the two movement plates 4 is reduced.
[0032] In the work, when the truck runs on the load cell body 1, the offset of the truck can be reduced through the plurality of anti-skid grooves 3, the truck is conveniently limited, and the wheels of the truck are close to the limiting plate 201. The double-shaft motor 209 in the hole slot 208 is used, the threaded rod 210 and the circular plate 211 can be rotated at the same time through the double-shaft motor 209, the limiting plate 201 can gradually approach the truck wheels when the threaded rod 210 rotates, and the two sides of the wheels are limited. The rotation of the circular plate 211 can make the lifting plate 212 move downward, so that the sliding rod 206 moves, the rotating plate 202 rotates at the same time, the rotating plate 202 and the limiting plate 201 are combined into an L shape as much as possible, which is convenient for subsequent operation, and the position of the limiting plate 201 can be adjusted through the continuous movement of the sliding rod 206, the distance between the limiting plate 201 and the moving plate 4 can be reduced, the rotating plate 202 and the wheels are close together, and the front and rear sides of the truck wheels are limited.
[0033] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
Claims
1. A weighbridge for safe limiting of trucks, comprising a weighbridge body (1), characterized in that: Limiting mechanisms (2) are provided on both sides of the top of the weighbridge body (1). Anti-slip grooves (3) are provided on the top surface of the weighbridge body (1). There are multiple anti-slip grooves (3), and the multiple anti-slip grooves (3) are arranged horizontally and collinearly. A moving plate (4) is provided on the top of the weighbridge body (1), and the bottom end of the moving plate (4) is in contact with the weighbridge body (1). A bracket (6) is provided on the side of the moving plate (4) away from the anti-slip grooves (3). The limiting mechanism (2) includes a limiting plate (201). A rotating plate (202) is provided on the side of the limiting plate (201) away from the moving plate (4). The rotating plate (202) is in contact with the limiting plate (201). A gear (203) is fixedly provided on the top of the rotating plate (202). A fixed plate (204) is provided on one side of the gear (203), and a push rod (205) is provided on the other side of the gear (203). A sliding rod (206) is fixedly provided at one end of the fixed plate (204). A protrusion (207) is provided on the top of the limiting plate (201). The distance between the protrusion (207) and one end of the sliding rod (206) is the same as the distance between the fixed plate (204) and the moving plate (4). The gears (203) are equidistant from each other. The weighbridge body (1) is provided with a slot (208) inside. A dual-axis motor (209) is provided inside the slot (208), and a threaded rod (210) is provided at the end of the output shaft of the dual-axis motor (209). There are two threaded rods (210). A circular plate (211) is fixedly provided at the end of each threaded rod (210) away from the dual-axis motor (209). A lifting plate (212) is provided above the circular plate (211). The lifting plate (212) is slidably connected to the moving plate (4). A variable rod (213) is provided on both sides of the lifting plate (212). The variable rod (213) is inclined.
2. A weighbridge for safe limiting of trucks according to claim 1, characterized in that: Guide rods (5) are fixedly provided on both sides of the motion plate (4). The end of the guide rod (5) away from the motion plate (4) extends into the interior of the limiting plate (201) and is slidably connected to the limiting plate (201).
3. A weighbridge for safe limiting of trucks according to claim 1, characterized in that: The sliding rod (206) has a toothed rail on the side surface near the gear (203), and the toothed rail and the fixing plate (204) are in contact with the rotating plate (202), and the toothed rail meshes with the gear (203).
4. A weighbridge for safe limiting of trucks according to claim 1, characterized in that: A support rod (214) is provided on the top of the gear (203). One end of the support rod (214) is fixedly connected to the limiting plate (201), and the other end of the support rod (214) is rotatably connected to the gear (203).
5. A weighbridge for safe limiting of trucks according to claim 1, characterized in that: The two ends of the variable rod (213) are respectively provided with a first circular block (215) and a second circular block (216), and the two ends of the variable rod (213) are respectively hinged to the first circular block (215) and the second circular block (216).
6. A weighbridge for truck safety limiting according to claim 5, characterized in that: The first circular block (215) is fixedly connected to the push rod (205), the second circular block (216) is fixedly connected to the lifting plate (212), and a crossbar (217) is provided on the top of the push rod (205).
7. A weighbridge for truck safety limiting according to claim 6, characterized in that: The cross-section of the crossbar (217) is "L" shaped and is fixedly connected to the motion plate (4). The push rod (205) is slidably connected to the crossbar (217).
8. A weighbridge for truck safety limiting according to claim 1, characterized in that: A connecting spring is provided at the bottom of the lifting plate (212), and a telescopic rod (218) is provided on the side of the lifting plate (212) away from the moving plate (4).
9. A weighbridge for truck safety limiting according to claim 8, characterized in that: A connecting rod (219) is provided below the lifting plate (212), and a steel wire rope (220) is wound around the outer side of the circular plate (211). The steel wire rope (220) is fixedly connected to the telescopic rod (218) through the connecting rod (219).
10. A weighbridge for safe limiting of trucks according to claim 1, characterized in that: A sliding sleeve (221) is provided on the outer side of the end of the threaded rod (210) away from the dual-axis motor (209). The sliding sleeve (221) is threadedly connected to the threaded rod (210). A vertical plate (222) is fixedly provided on the top of the sliding sleeve (221). The sliding sleeve (221) is fixedly connected to the moving plate (4) through the vertical plate (222).
Citation Information
Patent Citations
Side limiting device for wagon balance
CN209841157U
Wagon balance limiting structure
CN222144286U