A stroller brake assembly assembly degree calibration device

CN224855361UActive Publication Date: 2026-10-16HANCHUAN CHUNHUI CHILDRENS PRODUCTS CO LTD
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Patent Information

Application Number
CN202521925154.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-08
Publication Date
2026-10-16
Estimated Expiration
2035-09-08

AI Technical Summary

Technical Problem

目前,对于推车刹车组件装配度的校准大多依靠人工完成,操作人员通过扳手等工具手动调节刹车片的安装螺栓,凭借经验判断刹车片安装的松紧程度;这种人工校准方式存在诸多弊端:一方面,人工判断的准确性较低,难以精准把握刹车片与滚轮之间的适配程度,容易出现刹车片安装过紧导致滚轮转动受阻,或安装过松导致制动效果不佳的情况;另一方面,人工操作效率低下,且劳动强度较大,无法满足大规模生产的需求

Benefits of technology

本实用新型通过通过电动推杆推动安装杆转动,带动压头与推车上的刹车片接触,自动推动刹车片转动,压力传感器能检测所用推力大小,进而判断刹车片安装的松紧,避免因刹车片安装过紧或过松影响滚轮制动效果,提高了检测的准确性。

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Abstract

The utility model belongs to trolley brake assembly assembly calibration technical field, concretely relates to a trolley brake assembly assembly degree calibration device, including base, the base top side is provided with mounting seat, one side of mounting seat is provided with mounting groove, the inside of mounting groove is provided with first screw rod moving mechanism, the output of first screw rod moving mechanism is provided with L type mounting plate, the bottom of L type mounting plate vertical board is rotatably installed with mounting rod, both ends of mounting rod all set up in the pressure head, the junction of pressure head and mounting rod is provided with pressure sensor, one side of L type mounting plate vertical board rotatably installs with the electric push rod of mounting rod rotary connection, the top of base and located mounting seat one side is provided with mounting bracket, be provided with three gyro wheels on mounting bracket, the utility model realizes accurate detection and calibration to trolley brake assembly assembly degree, improves the stability of calibration efficiency and trolley brake effect.
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Description

Technical Field

[0001] This utility model belongs to the field of cart brake assembly calibration technology, specifically relating to a cart brake assembly calibration device. Background Technology

[0002] As a common tool in logistics, warehousing, and medical care, the assembly precision of the brake components of trolleys directly affects their safety and reliability during use. Assembly parameters such as the clearance and tightness between the brake pads and rollers directly influence braking response speed, braking torque, and the stability of the braking process.

[0003] Problems with existing technology: Currently, the calibration of the assembly of trolley brake components is mostly done manually. Operators manually adjust the mounting bolts of the brake pads using tools such as wrenches, relying on experience to judge the tightness of the brake pad installation. This manual calibration method has many drawbacks: First, the accuracy of manual judgment is low, making it difficult to accurately grasp the fit between the brake pads and the rollers. This can easily lead to situations where the brake pads are installed too tightly, causing the rollers to rotate obstructed, or too loosely, resulting in poor braking performance. Second, manual operation is inefficient and labor-intensive, which cannot meet the needs of large-scale production. In addition, the manual calibration process lacks quantitative testing of key parameters such as thrust, making it difficult to objectively and accurately evaluate the calibration effect. Utility Model Content

[0004] The purpose of this invention is to provide a trolley brake assembly assembly calibration device, which can accurately detect and calibrate the assembly degree of the trolley brake assembly, thereby improving calibration efficiency and the stability of the trolley braking effect.

[0005] The specific technical solution adopted by this utility model is as follows: A cart brake assembly assembly calibration device includes a base, a mounting seat on one side of the top of the base, a mounting groove on one side of the mounting seat, a first lead screw moving mechanism inside the mounting groove, an L-shaped mounting plate at the output end of the first lead screw moving mechanism, a mounting rod rotatably mounted on the bottom end of the vertical plate of the L-shaped mounting plate, pressure heads at both ends of the mounting rod, a pressure sensor at the connection between the pressure head and the mounting rod, and an electric push rod rotatably mounted on one side of the vertical plate of the L-shaped mounting plate and rotatably connected to the mounting rod.

[0006] A mounting frame is provided on the top of the base and on one side of the mounting seat. The mounting frame is provided with three rollers, which are arranged in a triangle on the mounting frame. The base is provided with a motor, and the motor's axis is connected to the rollers at the bottom to drive the trolley to rotate.

[0007] A second lead screw moving mechanism is provided on the outer wall of the mounting base and below the first lead screw moving mechanism. The output end of the second lead screw moving mechanism is provided with two symmetrical irregular-shaped claws for clamping the trolley pulley legs.

[0008] A display is provided on one side of the mounting base, and the display is electrically connected to the pressure sensor to display the pressure value.

[0009] The second lead screw moving mechanism includes a double-ended lead screw that penetrates the outer wall of the mounting base. The outer wall of the double-ended lead screw and both sides of the mounting base are helically connected to moving blocks, which are connected to irregularly shaped grippers.

[0010] The technical effects achieved by this utility model are as follows: This invention uses an electric push rod to rotate the mounting rod, causing the pressure head to contact the brake pads on the trolley and automatically push the brake pads to rotate. The pressure sensor can detect the magnitude of the thrust used, thereby determining the tightness of the brake pad installation. This avoids affecting the roller braking effect due to the brake pads being installed too tightly or too loosely, and improves the accuracy of the detection.

[0011] The pressure sensor in this invention detects the pressure value and displays it on the screen. The operator can accurately adjust the brake pads according to the displayed value to ensure that the brake pads are properly matched with the trolley pulleys, thereby improving the braking effect of the trolley and enhancing the practicality and usability of the equipment.

[0012] The motor in this invention drives the bottom roller to rotate, which in turn drives the trolley pulley to rotate. This facilitates the calibration of the brake assembly of the trolley pulley, improves the versatility and ease of operation of the device, and makes it easier to adjust and calibrate the brake pads on the trolley pulley in the future. Attached Figure Description

[0013] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a top view of the structure of this utility model; Figure 4 This is a partial structural schematic diagram of the present invention.

[0014] The attached diagram lists the components represented by each number as follows: 1. Base; 2. Mounting seat; 3. First lead screw moving mechanism; 4. Irregularly shaped gripper; 5. Mounting bracket; 6. Roller; 7. Motor; 8. Second lead screw moving mechanism; 9. L-shaped mounting plate; 10. Mounting rod; 11. Electric push rod; 12. Pressure head; 13. Display. Detailed Implementation

[0015] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0016] like Figures 1-4 As shown, a trolley brake assembly assembly calibration device includes a base 1, a mounting seat 2 on one side of the top of the base 1, a mounting groove on one side of the mounting seat 2, a first lead screw moving mechanism 3 inside the mounting groove, an L-shaped mounting plate 9 at the output end of the first lead screw moving mechanism 3, a mounting rod 10 rotatably mounted on the bottom end of the vertical plate of the L-shaped mounting plate 9, both ends of the mounting rod 10 being mounted on pressure heads 12, a pressure sensor being mounted at the connection between the pressure heads 12 and the mounting rod 10, and an electric push rod 11 rotatably mounted on one side of the vertical plate of the L-shaped mounting plate 9 and rotatably connected to the mounting rod 10; a display 13 is provided on one side of the mounting seat 2, and the display 13 is electrically connected to the pressure sensor for displaying the pressure value; According to the above structure, the electric push rod 11 drives the mounting rod 10 to rotate, and the mounting rod 10 drives the corresponding pressure head 12 to contact the brake pads on the trolley, automatically pushing the brake pads to rotate. The pressure sensor between the pressure head 12 and the mounting rod 10 detects the magnitude of the thrust used, thereby detecting the tightness of the brake pad installation and preventing the brake pads on the trolley pulley from being installed too tight or too loose, which would affect the braking effect of the trolley pulley. By using an external wrench to tighten the bolts fixing the brake pads, the brake pads and trolley pulleys are accurately matched, improving the braking effect of the trolley. The pressure value detected by the pressure sensor is displayed on the display 13, improving the practicality and effectiveness of the equipment.

[0017] like Figures 1-3 As shown, a mounting frame 5 is provided on the top of the base 1 and on one side of the mounting base 2. Three rollers 6 are provided on the mounting frame 5, and the three rollers 6 are arranged in a triangle on the mounting frame 5. A motor 7 is provided on the base 1, and the axis of the motor 7 is connected to the rollers 6 at the bottom to drive the trolley to rotate.

[0018] Based on the above structure, the trolley pulley can be rotated, which facilitates the calibration of the brake assembly of the trolley pulley, improves the versatility and ease of operation of the device, makes it easy to test the braking effect of the trolley pulley, and facilitates the subsequent adjustment and calibration of the brake pads on the trolley pulley.

[0019] like Figures 1-3 As shown, a second screw moving mechanism 8 is provided on the outer wall of the mounting base 2 and below the first screw moving mechanism 3. The output end of the second screw moving mechanism 8 is provided with two symmetrical irregular claws 4, which are used to clamp the trolley pulley legs. The second lead screw moving mechanism 8 includes a double-ended lead screw, which passes through the outer wall of the mounting base 2. The outer wall of the double-ended lead screw and both sides of the mounting base 2 are helically connected to moving blocks, which are connected to the irregular-shaped grippers 4.

[0020] According to the above structure, the second lead screw moving mechanism 8 drives the two symmetrical irregular jaws 4 to move, which can stably clamp the trolley pulley legs, ensuring that the trolley will not be displaced during the calibration process, thus improving the stability and reliability of the calibration process.

[0021] The working principle of this utility model is as follows: When in use, the trolley pulley is placed on the three rollers 6, the second screw moving mechanism 8 is rotated to drive the trolley pulley to rotate, and at the same time, the double-headed screw is rotated to make the two moving blocks drive the irregular claws 4 to move closer to each other, clamp the trolley pulley legs, and fix the trolley pulley. Based on the position of the brake pads in the trolley brake assembly, the first lead screw moving mechanism 3 is controlled to work, driving the L-shaped mounting plate 9 to move so that the pressure head 12 is aligned with the position of the brake pads, simulating the pressure required for the user to step on the brake pads. Then, the electric push rod 11 is controlled to extend, pushing the mounting rod 10 to rotate, so that the pressure head 12 contacts the brake pads and pushes the brake pads to rotate, thus braking or releasing the brakes on the trolley pulleys. At the same time, the pressure sensor detects the magnitude of the thrust at this time and transmits the pressure signal to the display 13, which displays the pressure value. The operator judges the tightness of the brake pad installation based on the pressure value displayed on monitor 13. If the pressure value is too high, it means the brake pad is installed too tight, and the bolts fixing the brake pad are loosened using an external wrench; if the pressure value is too low, it means the brake pad is installed too loose, and the bolts fixing the brake pad are tightened until the pressure value is within the appropriate range, thus completing the brake pad calibration.

[0022] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A cart brake assembly alignment calibration device, comprising a base (1), characterized in that: The base (1) has a mounting seat (2) on one side of its top. The mounting seat (2) has a mounting groove on one side. The mounting groove has a first screw moving mechanism (3) inside. The output end of the first screw moving mechanism (3) has an L-shaped mounting plate (9). The bottom end of the vertical plate of the L-shaped mounting plate (9) is rotatably mounted with a mounting rod (10). Both ends of the mounting rod (10) are mounted on a pressure head (12). A pressure sensor is provided at the connection between the pressure head (12) and the mounting rod (10). An electric push rod (11) that is rotatably connected to the mounting rod (10) is rotatably mounted on one side of the vertical plate of the L-shaped mounting plate (9).

2. The trolley brake assembly assembly calibration device according to claim 1, characterized in that: A mounting frame (5) is provided on the top of the base (1) and on one side of the mounting base (2). Three rollers (6) are provided on the mounting frame (5), and the three rollers (6) are arranged in a triangle on the mounting frame (5). A motor (7) is provided on the base (1), and the number axis of the motor (7) is connected to the rollers (6) at the bottom to drive the trolley to rotate.

3. The trolley brake assembly alignment calibration device according to claim 1, characterized in that: The outer wall of the mounting base (2) and below the first lead screw moving mechanism (3) is provided with a second lead screw moving mechanism (8). The output end of the second lead screw moving mechanism (8) is provided with two symmetrical irregular claws (4) for clamping the trolley pulley legs.

4. The trolley brake assembly assembly calibration device according to claim 1, characterized in that: A display (13) is provided on one side of the mounting base (2), and the display (13) is electrically connected to the pressure sensor to display the pressure value.

5. The trolley brake assembly assembly calibration device according to claim 3, characterized in that: The second lead screw moving mechanism (8) includes a double-ended lead screw, which passes through the outer wall of the mounting base (2). The outer wall of the double-ended lead screw and both sides of the mounting base (2) are helically connected to moving blocks, which are connected to the irregular gripper (4).