Vehicle positioning device for truck weighbridge
By designing a vehicle positioning device with a bidirectional positioning adjustment component and an adjustable wheel stop, the problem of the lack of vehicle positioning guidance in weighbridge devices has been solved, achieving accurate positioning and weighing of trucks, adapting to different wheelbase models, and improving the efficiency of logistics transportation and the reliability of weighing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing weighbridge devices lack vehicle positioning guidance functions, forcing truck drivers to rely on experience to stop, which can easily lead to front and rear position deviations and weighing errors. Furthermore, the wheel stops are fixed and cannot be adapted to different wheelbase models.
Design a vehicle positioning device that includes a bidirectional positioning adjustment component, a guide plate, a wheel stop assembly, and a positioning adjustment control mechanism. The device achieves precise positioning of the truck through a motor and a rack and pinion system, ensuring that the vehicle is parked in the center. The wheel stop is adjustable to accommodate different wheelbase models.
It provides clear and concise parking guidance, reduces reliance on driver experience, ensures the accuracy and reliability of weighing data, improves the versatility of the device, reduces operational hassles and traffic congestion, and enhances logistics and transportation efficiency.
Smart Images

Figure CN224108910U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle positioning device for weighbridge technical field especially relates to a truck weighbridge vehicle positioning device. BACKGROUND
[0002] In the field of freight transport and weighing measurement, truck weighbridge is a commonly used equipment for accurately measuring truck weight, when the truck drives on the weighbridge, if part of the wheels of the vehicle is not completely on the weighbridge or the truck is not centered, it will cause the weighing data to be inaccurate, affecting the fairness and accuracy of the freight measurement.
[0003] The existing weighbridge positioning of vehicle is mainly realized through the following several ways, such as infrared photoelectric transmission positioning, video image recognition and RFID or UWB high-precision positioning, among which the infrared photoelectric transmission positioning is susceptible to environmental light interference, cannot identify the specific contour of the vehicle, the video image recognition depends on the light condition, needs to be calibrated periodically, the cost of RFID or UWB high-precision positioning is higher, needs to be matched with vehicle-mounted equipment, none of these ways has the function of guiding vehicle positioning, the truck driver needs to stop the vehicle by experience, which is easy to cause the deviation of front and rear positions, resulting in weighing error, and the wheel stopper is of fixed structure, cannot adapt to different wheelbase vehicle models.
[0004] Therefore, in view of the above problems in the prior art that the existing technology does not have the function of guiding vehicle positioning, the truck driver needs to stop the vehicle by experience, which is easy to cause the deviation of front and rear positions, resulting in weighing error, and the wheel stopper is of fixed structure, cannot adapt to different wheelbase vehicle models, a truck weighbridge vehicle positioning device can be designed, which can reduce the experience requirement of the truck driver through guided positioning, ensure the centering of the truck position, improve the weighing precision, and the wheel stopper is of adjustable design, which can adapt to different wheelbase vehicle models. SUMMARY
[0005] In order to overcome the problems in the prior art that the existing technology does not have the function of guiding vehicle positioning, the truck driver needs to stop the vehicle by experience, which is easy to cause the deviation of front and rear positions, resulting in weighing error, and the wheel stopper is of fixed structure, cannot adapt to different wheelbase vehicle models.
[0006] The utility model discloses a technical scheme for a vehicle positioning device for a truck loadometer, comprising a bidirectional positioning and adjusting assembly, a guide plate, a wheel stopper assembly and a positioning and adjusting control mechanism. The bidirectional positioning and adjusting assembly comprises a fixed seat, a double-end ball screw is rotatably connected in the fixed seat, a screw pair is symmetrically arranged on the outer side of the double-end ball screw, an intermediate connecting plate is fixedly connected to the upper end of the screw pair, and the intermediate connecting plate is fixedly connected to the guide plate. The wheel stopper assembly comprises an arc-shaped wheel stopper plate, grooves are formed in the left and right ends of the arc-shaped wheel stopper plate, a plurality of guide insertion columns are fixedly connected in the grooves, an extended wheel stopper plate is movably connected to the outer side of the guide insertion columns, springs are fixedly connected between the inner wall of the groove and the extended wheel stopper plate, and a limiting plate is fixedly connected to the outer side of the extended wheel stopper plate. The positioning and adjusting control mechanism comprises a second motor and a rack, and a second driving gear is arranged on the outer side of the output shaft of the second motor and is meshingly connected to the rack.
[0007] Preferably, the fixed seat is installed at the middle part below the loadometer, the screw pair on the outer side of the double-end ball screw is fixedly connected to the guide plate through the intermediate connecting plate, and the positioning and adjusting control mechanism is installed on the ground near the exit end of the loadometer. During operation, according to the wheelbase length of the truck, the second motor is started, the arc-shaped wheel stopper plate is controlled to move forward and backward under the action of the second driving gear and the rack, the truck is ensured to be in the middle part of the loadometer when the front wheels of the truck abut against the arc-shaped wheel stopper plate, the double-end ball screw is started, the screw pair converts the rotary motion into linear motion, the intermediate connecting plate and the guide plate are synchronously moved inward, the guide plate is matched with the width of the truck, the limiting plate pushes the extended wheel stopper plate inward when the guide plate moves inward, the springs are compressed, the width of the wheel stopper assembly is adjusted, the truck enters the loadometer in the direction of the guide plate, the front wheels of the truck abut against the arc-shaped wheel stopper plate, the distance between the front and rear ends of the truck to the loadometer is ensured to be basically consistent, the guide plate ensures the distance between the left and right ends of the truck to the loadometer to be basically consistent, the truck is ensured to be in the center of the loadometer, and then the truck can be weighed.
[0008] Preferably, the guide plate is designed in two sections, and the guide plate and another guide plate are arranged in an "eight" shape.
[0009] Preferably, the bidirectional positioning and adjusting assembly further comprises a first motor, the first motor is fixedly connected in the fixed seat, a first driving gear is arranged on the outer side of the output shaft of the first motor, and a first driven gear is meshingly connected to the first driving gear on the outer side of the double-end ball screw.
[0010] Preferably, the positioning and adjusting control mechanism further comprises a sliding groove, a pulley is slidably connected in the sliding groove, and the pulley is fixedly connected to the rack through a connecting frame at the upper end.
[0011] Preferably, the positioning and adjusting control mechanism further comprises an installation base plate, the installation base plate is installed on the ground, and the second motor is fixedly connected to the upper end of the installation base plate.
[0012] The rack upper end is fixedly connected with a connecting block, and a third motor is installed in the connecting block.
[0013] The front and rear sides of the two-way positioning and adjusting assembly are provided with left and right symmetrical guide assemblies, the guide assembly comprises a guide rail, a sliding block is slidably connected to the upper end of the guide rail, an auxiliary connecting plate connected with the guide plate is fixedly connected to the upper end of the sliding block, and a reinforcing rod is fixedly connected between the sliding block and the screw rod pair.
[0014] The vehicle positioning device for the truck load cell has the advantages that: the guiding and positioning design can provide clear and definite parking guidance for truck drivers, whether they are novice drivers or experienced drivers, and the device can assist them to easily and accurately park the truck in the center of the weighing area of the load cell, which reduces the over-reliance on the experience of the truck drivers, avoids the inaccuracy of the weighing caused by parking deviation from the source, ensures the authenticity and reliability of the weighing data, provides a solid guarantee for the measurement and settlement of the cargo transportation, and the adjustable design of the wheel stopper can flexibly adjust the wheel stopper according to the wheelbase of different trucks, which greatly improves the universality and applicability of the device, reduces the additional cost and operation trouble caused by the mismatch of the vehicle type, the vehicle can be quickly and accurately parked in the designated position, the time for repeatedly adjusting the position on the load cell is reduced, the cargo weighing process is more smooth and efficient, traffic congestion can be effectively relieved during the busy period of cargo transportation, and the operation speed of the entire logistics transportation link is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The first three-dimensional structure schematic view of the vehicle positioning device for the truck load cell is shown;
[0016] Figure 2 The second three-dimensional structure schematic view of the vehicle positioning device for the truck load cell is shown;
[0017] Figure 3 The three-dimensional structure schematic view of the two-way positioning and adjusting assembly and the guide assembly in the vehicle positioning device for the truck load cell is shown;
[0018] Figure 4 The three-dimensional structure schematic view of the wheel stopper assembly in the vehicle positioning device for the truck load cell is shown;
[0019] Figure 5 The three-dimensional structure schematic view of the positioning and adjusting control mechanism in the vehicle positioning device for the truck load cell is shown.
[0020] Explanation of reference signs: 1, two-way positioning adjusting assembly; 11, fixed seat; 12, double-head ball screw; 13, screw pair; 14, intermediate connecting plate; 15, first motor; 16, first driving gear; 17, first driven gear; 2, guide plate; 3, wheel stopper assembly; 31, arc-shaped wheel stopper plate; 32, groove; 33, guide insertion column; 34, expanded wheel stopper plate; 35, spring; 36, limiting plate; 4, positioning adjusting control mechanism; 41, second motor; 42, rack; 43, second driving gear; 44, connecting block; 45, sliding groove; 46, pulley; 47, connecting frame; 48, mounting bottom plate; 49, third motor; 5, guide assembly; 51, guide rail; 52, sliding block; 53, auxiliary connecting plate; 54, reinforcing rod; 6, weighbridge. DETAILED DESCRIPTION
[0021] The utility model is further explained below in combination with the drawings and examples.
[0022] Please refer to Figures 1-5 The utility model provides a kind of vehicle positioning device for truck weighbridge, including two-way positioning adjusting assembly 1, still including guide plate 2, wheel stopper assembly 3 and positioning adjusting control mechanism 4, two-way positioning adjusting assembly 1 includes fixed seat 11, double-head ball screw 12 is rotatably connected in fixed seat 11, the outer side of double-head ball screw 12 is installed with left and right symmetrical distribution screw pair 13, and the upper end of screw pair 13 is fixedly connected with intermediate connecting plate 14, and intermediate connecting plate 14 is fixedly connected with guide plate 2, wheel stopper assembly 3 includes arc-shaped wheel stopper plate 31, recess 32 is set in the left and right ends of arc-shaped wheel stopper plate 31, and several groups of guide insertion column 33 are fixedly connected in recess 32, and expanded wheel stopper plate 34 is movably connected to the outer side of guide insertion column 33, spring 35 is fixedly connected between the inner wall of recess 32 and expanded wheel stopper plate 34, and limiting plate 36 is fixedly connected to the outer side of expanded wheel stopper plate 34, and positioning adjusting control mechanism 4 includes second motor 41 and rack 42, and second driving gear 43 is installed on the outer side of the output shaft of second motor 41 with rack 42 meshing connection.
[0023] Please refer to Figure 3 In the embodiment, guide plate 2 is designed into two sections, and guide plate 2 and another guide plate 2 are distributed in the shape of "eight", and two-way positioning adjusting assembly 1 further includes first motor 15, which is fixedly connected in fixed seat 11, and first driving gear 16 is installed on the outer side of the output shaft of first motor 15, and first driven gear 17 is installed on the outer side of double-head ball screw 12 with first driving gear 16 meshing connection.
[0024] Please refer to Figure 3 And Figure 5In the embodiment, the positioning adjustment control mechanism 4 further comprises a sliding groove 45, a pulley 46 is slidingly connected in the sliding groove 45, the upper end of the pulley 46 is fixedly connected with the rack 42 through a connecting frame 47, the positioning adjustment control mechanism 4 further comprises a mounting bottom plate 48, the mounting bottom plate 48 is installed on the ground, the upper end of the mounting bottom plate 48 is fixedly connected with the second motor 41, the upper end of the rack 42 is fixedly connected with a connecting block 44, the connecting block 44 is internally installed with a third motor 49, the upper end output shaft of the third motor 49 is fixedly connected with the arc-shaped baffle plate 31, the ground on the front and back sides of the two-way positioning adjustment assembly 1 is provided with left and right symmetrically distributed guide assemblies 5, the guide assembly 5 comprises a guide rail 51, a sliding block 52 is slidingly connected on the upper end of the guide rail 51, the upper end of the sliding block 52 is fixedly connected with an auxiliary connecting plate 53 connected with the guide plate 2, the sliding block 52 and the screw pair 13 are fixedly connected with a reinforcing rod 54.
[0025] In work, the fixed seat 11 is installed at the middle part below the weighbridge 6, the screw pair 13 on the outer side of the double-head ball screw 12 is fixedly connected with the guide plate 2 through the intermediate connecting plate 14, the positioning adjustment control mechanism 4 is installed on the ground near the outlet side of the weighbridge 6, in work, according to the wheelbase length of the truck, the second motor 41 is started, under the action of the second driving gear 43 and the rack 42, the arc-shaped baffle plate 31 is controlled to move forward and backward, at the same time when the rack 42 moves, the connecting frame 47 drives the pulley 46 to slide in the sliding groove 45, so as to ensure that when the truck front wheels abut against the arc-shaped baffle plate 31, the truck is in the middle part of the weighbridge 6, the first motor 15 is started, the first driving gear 16 and the first driven gear 17 are used in cooperation to transmit power to the double-head ball screw 12, the double-head ball screw 12 rotates, the screw pair 13 converts the rotary motion into linear motion to drive the intermediate connecting plate 14 and the guide plate 2 to synchronously move inward, so as to make the guide plate 2 match the width of the truck, when the guide plate 2 moves inward, the limiting plate 36 pushes the expansion baffle plate 34 inward, the spring 35 is compressed, so as to adjust the width of the baffle wheel assembly 3, the truck enters the weighbridge 6 in the direction of the guide plate 2, the truck front wheels abut against the arc-shaped baffle plate 31, so as to ensure that the distance from the front and back ends of the truck to the weighbridge 6 is basically consistent, at the same time, the guide plate 2 ensures that the distance from the left and right ends of the truck to the weighbridge 6 is basically consistent, so as to ensure that the truck is in the center of the weighbridge 6, then the truck can be weighed, after the weighing is completed, the third motor 49 controls the arc-shaped baffle plate 31 to rotate, without affecting the passing of the truck wheels.
[0026] Through the above steps, through the guide positioning design, clear and definite parking guide can be provided for the truck driver, whether it is a novice driver or an experienced driver, can be easily and accurately parked in the center of the weighing area of the truck in the device assisted by the device, which not only reduces the excessive dependence on the experience of the truck driver, but also avoids the inaccuracy of the weighing caused by the parking deviation from the source, ensures the authenticity and reliability of the weighing data, provides a solid guarantee for the measurement and settlement of the cargo transportation, and the wheel stopper adopts an adjustable design, which can be flexibly adjusted according to the wheelbase of different trucks. The adjustable design greatly improves the universality and applicability of the device, reduces the additional cost and operation trouble caused by the mismatch of the vehicle type, since the vehicle can be quickly and accurately parked in the specified position, the time of repeatedly adjusting the position on the truck scale 6 is reduced, the cargo weighing process is more smooth and efficient, and during the busy period of cargo transportation, traffic congestion can be effectively relieved, and the running speed of the entire logistics transportation link is improved. To solve the problem that the prior art does not have the function of guiding the vehicle positioning, the truck driver needs to park by experience, the front and rear position deviation is easy to occur, the weighing error is caused, and the wheel stopper is a fixed structure and cannot adapt to different wheelbase vehicle types.
[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.
Claims
1. A vehicle positioning device for truck weighbridge, comprising a two-way positioning adjusting assembly (1), characterized in that: The application also comprises a guide plate (2), a wheel stopper assembly (3) and a positioning adjustment control mechanism (4), the bidirectional positioning adjustment assembly (1) comprises a fixed seat (11), a double-end ball screw (12) is rotatably connected in the fixed seat (11), symmetrical silk screw pairs (13) are installed on the outer side of the double-end ball screw (12), the upper end of the silk screw pair (13) is fixedly connected with a middle connecting plate (14), the middle connecting plate (14) is fixedly connected with the guide plate (2), the wheel stopper assembly (3) comprises an arc-shaped wheel stopper plate (31), recesses (32) are formed in the left and right ends of the arc-shaped wheel stopper plate (31), a plurality of guide insertion columns (33) are fixedly connected in the recesses (32), expansion wheel stopper plates (34) are movably connected to the outer side of the guide insertion columns (33), springs (35) are fixedly connected between the inner wall of the recess (32) and the expansion wheel stopper plate (34), limit plates (36) are fixedly connected to the outer side of the expansion wheel stopper plate (34), the positioning adjustment control mechanism (4) comprises a second motor (41) and a rack (42), a second driving gear (43) is installed on the outer side of the output shaft of the second motor (41) and is in meshing connection with the rack (42).
2. A vehicle positioning device for a truck scale as defined in claim 1 wherein: The guide plate (2) is designed in two sections, and the guide plate (2) and another guide plate (2) are distributed in an "eight" shape.
3. A vehicle positioning device for a truck scale as defined in claim 1 wherein: The bidirectional positioning adjustment assembly (1) further comprises a first motor (15), the first motor (15) is fixedly connected in the fixed seat (11), a first driving gear (16) is installed on the outer side of the output shaft of the first motor (15), and a first driven gear (17) is installed on the outer side of the double-end ball screw (12) and is in meshing connection with the first driving gear (16).
4. A vehicle positioning apparatus for a truck scale as defined in claim 1 wherein: The positioning adjustment control mechanism (4) further comprises a sliding groove (45), a pulley (46) is slidably connected in the sliding groove (45), and the pulley (46) is fixedly connected with the rack (42) through a connecting frame (47) at the upper end.
5. A vehicle positioning apparatus for a truck scale as defined in claim 4 wherein: The positioning adjustment control mechanism (4) further comprises a mounting bottom plate (48), the mounting bottom plate (48) is installed on the ground, and the second motor (41) is fixedly connected to the upper end of the mounting bottom plate (48).
6. A vehicle positioning apparatus for a truck scale as defined in claim 1 wherein: A connecting block (44) is fixedly connected to the upper end of the rack (42), a third motor (49) is installed in the connecting block (44), and the upper end output shaft of the third motor (49) is fixedly connected with the arc-shaped wheel stopper plate (31).
7. A vehicle positioning apparatus for a truck scale as defined in claim 1 wherein: Left and right symmetrical guide assemblies (5) are arranged on the ground on the front and rear sides of the bidirectional positioning adjustment assembly (1), the guide assembly (5) comprises a guide rail (51), a sliding block (52) is slidably connected to the upper end of the guide rail (51), an auxiliary connecting plate (53) connected with the guide plate (2) is fixedly connected to the upper end of the sliding block (52), and a reinforcing rod (54) is fixedly connected between the sliding block (52) and the silk screw pair (13).