Flatness detection device for trolley frame of tooling crane

By adjusting the boom height and using a device to monitor flatness in real time, the accuracy and adaptability issues of tower crane trolley flatness detection have been resolved, achieving efficient and precise detection results.

CN223691755UActive Publication Date: 2025-12-19CHANGSHA COUNTY JINWEI AUTOMOBILE ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202520010512.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-19
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Existing tower crane trolley flatness detection devices suffer from assembly errors that affect detection accuracy and operational complexity, making them difficult to adapt to the detection needs of different trolley frame models.

Method used

The height of the boom is adjusted by an adjustment device, and the flatness of the test track is monitored in real time by a level detector. The modular design and stable installation brackets ensure the high precision and flexible adaptability of the test track.

Benefits of technology

It improves detection accuracy and reliability, reduces human error, expands the scope of application, lowers maintenance costs, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223691755U_ABST
    Figure CN223691755U_ABST
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Abstract

The utility model provides a tool crane trolley frame flatness detection device, which comprises a mounting bracket, a detection track and suspenders, a plurality of suspenders are arranged on the mounting bracket, and the detection track is suspended on the mounting bracket through the suspenders and can detect the operation flatness of a tower crane trolley; the lifting rods are arranged on the installation support through adjusting devices, the height of the lifting rods on the installation support can be adjusted through the adjusting devices, and a horizontal detector is arranged on the detection track and can monitor the flatness of the detection track in real time. According to the utility model, the height of the suspender is accurately adjusted and the flatness of the track is monitored and detected in real time, so that the high-precision detection of the operation flatness of the tower crane trolley is ensured, and the rework or accident cost caused by inaccurate detection is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the crane manufacturing field especially, relate to a frock crane trolley frame flatness detection device. BACKGROUND

[0002] The trolley of the tower crane is a core component of the tower crane, and the quality of the product directly affects the operation and quality level of the whole machine. In order to improve the smoothness and safety of the trolley operation, the manufacturer generally needs to detect and control the wheel system flatness of the trolley (CN202011376502.6) after the installation of the roller, thereby effectively reducing the vibration and noise of the operating mechanism during the operation process, prolonging the service life of the roller, and improving the operating stability and safety of the tower crane.

[0003] The prior art CN202222255210.8 discloses a tower crane trolley flatness detection device, which comprises a mounting bracket and a detection track. The detection track comprises two horizontal rods and a plurality of vertical rods. The mounting bracket is provided with a plurality of hangers below the left and right sides. The upper end of each hanger is fixedly connected with the mounting bracket, and the lower end of each hanger is connected with a corresponding vertical rod for hoisting the detection track on the mounting bracket. The distance between the two horizontal rods is consistent with the distance between the rollers on both sides of the trolley. Although the utility model can detect the position, gap or height difference of the contact point between the roller and the horizontal rod by contacting the roller with the two horizontal rods through the detection track, it still has the following problems:

[0004] 1. Since the device relies on the mechanical connection between the hanger and the detection track, it may introduce certain assembly errors. The prior art does not have a solution to these errors, so it will affect the accuracy of the final detection results.

[0005] 2. When different types or specifications of trolley frames need to be detected, the entire detection device may need to be adjusted or replaced, increasing the complexity and time cost of the operation. INVENTION CONTENTS

[0006] Therefore, the utility model aims to provide a frock crane trolley frame flatness detection device, which can accurately adjust the height of the hanger and monitor the flatness of the detection track in real time, ensuring high-precision detection of the flatness of the trolley operation, and reducing the cost of rework or accidents caused by inaccurate detection.

[0007] The technical solution adopted by the utility model to solve its technical problems is:

[0008] The utility model provides a kind of tool crane trolley frame flatness detection device, comprising: mounting bracket, detection track, boom, the mounting bracket is equipped with several booms, the detection track is hung on mounting bracket by boom, and the running flatness of tower crane trolley can be detected;

[0009] The boom is arranged on the mounting bracket by the adjusting device, and the height of the boom on the mounting bracket can be adjusted by the adjusting device, and the horizontal detector is arranged on the detection track, which can monitor the flatness of the detection track in real time.

[0010] It should be noted that the height of each boom is adjusted separately by the adjusting device, so that the flatness of the detection track connected to the lower end of the boom can be adjusted to ensure that the detection track is in the ideal horizontal state, and the horizontal detector (such as a level or an electronic sensor) is used to monitor the flatness of the detection track to allow the operator to observe the flatness of the detection track in real time, so that the work efficiency is improved.

[0011] Preferably, the detection track includes a transverse connecting beam and longitudinal slides, the longitudinal slides are arranged parallel to each other at both ends of the transverse connecting beam and perpendicular to the transverse connecting beam, and the transverse connecting beam is provided with a hinge shaft for connecting with the boom.

[0012] It should be noted that the combination of the transverse connecting beam and the longitudinal slides forms a stable rectangular frame structure, which not only enhances the rigidity of the entire detection track, but also makes the device adaptable to different types of trolley frames, and the spacing or angle between the longitudinal slides can be adjusted to flexibly meet the flatness detection requirements of tower crane trolley rollers after installation of various sizes and types.

[0013] Preferably, the horizontal detector is a level, which is arranged axially along the longitudinal slides.

[0014] It should be noted that the level is installed on the longitudinal slides and arranged axially along them, which means that the level can comprehensively and continuously monitor the flatness of the entire detection track in the length direction, providing more accurate monitoring results for the flatness adjustment of the detection track.

[0015] Preferably, the mounting bracket comprises a portal and a crossbeam, the portal is symmetrically arranged on the ground, and the two ends of the crossbeam are respectively connected to the corresponding portal, and an adjusting groove is correspondingly arranged on the crossbeam in the axial direction, and the boom is arranged on the corresponding crossbeam through the adjusting device and can adjust the distance between the booms through the cooperation of the adjusting device and the adjusting groove.

[0016] It should be noted that the portal and the crossbeam constitute the basic structure of the entire detection device, the portal is symmetrically arranged on the ground to provide stable support for detection, and the crossbeam connects the two portals to enhance the overall rigidity and prevent tilting or deformation due to uneven single-sided stress, ensuring that the detection track always maintains an ideal horizontal state, and the boom is installed on the crossbeam through the adjusting device, allowing the operator to adjust the height of each boom as needed.

[0017] Preferably, a hollow connecting rod is arranged on the crossbeam of the mounting bracket corresponding to the boom, and the upper end of the boom is arranged in the hollow connecting rod and can move up and down in the hollow connecting rod through the adjustment of the adjusting device.

[0018] It should be noted that the hollow connecting rod provides a closed channel for the boom, allowing the boom to move up and down without being affected by the external environment. This design ensures the linearity and stability of the boom during movement, improves the accuracy of height adjustment, and the combination of the hollow connecting rod and the adjusting device makes the height adjustment process more intuitive and convenient. The operator can easily adjust the height of the boom through the control system or the manual knob, improving the overall detection efficiency.

[0019] Preferably, a guide groove is arranged on the inner wall of the hollow connecting rod, and a guide block is arranged on the boom corresponding to the guide groove, and the boom moves axially along the hollow connecting rod through the cooperation of the guide groove and the guide block.

[0020] It should be noted that the guide groove on the inner wall of the hollow connecting rod and the guide block on the boom form an accurate guide system, ensuring that the boom always maintains linear motion during upward and downward movement, avoiding lateral deviation or tilting, thereby improving the accuracy of height adjustment. Moreover, the close cooperation of the guide groove and the guide block effectively reduces the shaking of the boom during movement, not only improving the accuracy of the detection track position, but also reducing the measurement error caused by mechanical vibration, ensuring the reliability of the detection results.

[0021] Preferably, the adjusting device comprises a lead screw and an adjusting nut, one end of the lead screw is connected to the upper end of the boom, the other end passes through the crossbeam at the upper end of the hollow connecting rod and is locked by the adjusting nut.

[0022] It should be noted that the screw rod and the adjusting nut constitute a precise height adjusting system, and the length of the screw rod can be accurately controlled by rotating the adjusting nut, so that the height of the boom is finely adjusted, and the flatness of the detection track is adjusted.

[0023] Preferably, a lock washer is arranged between the screw rod and the adjusting nut.

[0024] It should be noted that the lock washer enhances the locking effect of the adjusting device, prevents accidental loosening caused by external force (such as vibration during equipment operation, external impact, etc.), reduces the need for regular inspection and re-adjustment, and saves time and effort, improves work efficiency.

[0025] The utility model discloses the beneficial effects of the following:

[0026] The utility model provides a kind of frock crane trolley frame flatness detection device, the flatness of detection track is accurately adjusted boom height and real-time monitoring, significantly improve the detection accuracy and reliability, reduce artificial error;Modular design and flexible height adjusting function make it can adapt to multiple models of trolley frame, enhance the scope of application;Stable mounting bracket and anti-loosening design ensure the long-term stability and safety of system, reduce maintenance cost;Simple operation interface and automation control system simplify operation process, improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a kind of frock crane trolley frame flatness detection device's three-dimensional structure schematic view of embodiment 1 of the utility model.

[0028] Figure 2 It is the three-dimensional structure schematic view of mounting bracket of embodiment 1 of the utility model.

[0029] Figure 3 It is the assembly structure schematic view of boom and adjusting device of embodiment 1 of the utility model.

[0030] Figure 4 It is the three-dimensional structure schematic view of detection track of embodiment 1 of the utility model.

[0031] In the drawing: 1, mounting bracket;11, portal frame;12, crossbeam;121, adjusting groove;2, detection track;21, transverse connecting beam;211, hinged shaft;22, longitudinal slide rail;3, boom;31, guide block;4, adjusting device;41, screw rod;42, adjusting nut;5, horizontal detector;6, hollow connecting rod;61, guide groove;7, washer.

[0032] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1

[0035] like Figures 1-4 As shown, a flatness detection device for a trolley frame of a tooling crane includes: a mounting bracket 1, a detection rail 2, and a lifting rod 3. The mounting bracket 1 is provided with a plurality of lifting rods 3, and the detection rail 2 is suspended on the mounting bracket 1 through the lifting rods 3, and can perform flatness detection on the tower crane trolley during operation.

[0036] The lifting rods 3 are all mounted on the mounting bracket 1 through the adjustment device 4, and the height of the lifting rods 3 on the mounting bracket 1 can be adjusted through the adjustment device 4. The detection track 2 is equipped with a level detector 5, which can monitor the flatness of the detection track 2 in real time.

[0037] The detection track 2 includes a transverse connecting beam 21 and a longitudinal slide rail 22. The longitudinal slide rail 22 is arranged parallel to each other at both ends of the transverse connecting beam 21 and is arranged perpendicular to the transverse connecting beam 21. The transverse connecting beam 21 is provided with a hinge shaft 211 for connecting with the hanger 3.

[0038] The level detector 5 is a level, which is axially mounted on the longitudinal slide rail 22.

[0039] The mounting bracket 1 includes a gantry 11 and a crossbeam 12. The gantry 11 is symmetrically arranged on the ground. The two ends of the crossbeam 12 are respectively connected to the corresponding gantry 11. An adjustment groove 121 is provided on the crossbeam 12 along the axial direction. The hanger 3 is set on the corresponding crossbeam 12 through an adjustment device 4, and the distance between the hangers 3 can be adjusted by the cooperation of the adjustment device 4 and the adjustment groove 121.

[0040] A hollow connecting rod 6 is provided on the crossbeam 12 of the mounting bracket 1 corresponding to the hanger 3. The upper end of the hanger 3 is set inside the hollow connecting rod 6, and the hanger 3 can move up and down inside the hollow connecting rod 6 by adjusting the adjusting device 4.

[0041] The inner wall of the hollow connecting rod 6 is provided with a guide groove 61, and the hanging rod 3 is provided with a guide block 31 corresponding to the guide groove 61, and the hanging rod 3 moves axially along the hollow connecting rod 6 through the cooperation of the guide groove 61 and the guide block 31.

[0042] The adjusting device 4 includes a lead screw 41 and an adjusting nut 42, one end of the lead screw 41 is connected with the upper end of the hanging rod 3, the other end passes through the cross beam 12 at the upper end of the hollow connecting rod 6 and is locked by the adjusting nut 42.

[0043] A loosening prevention washer 7 is arranged between the lead screw 41 and the adjusting nut 42.

[0044] The working principle and use method of the jig crane trolley frame flatness detection device of the embodiment are as follows:

[0045] The jig crane trolley frame flatness detection device provided by the embodiment includes a mounting bracket 1, a hanging rod 3, a hollow connecting rod 6, an adjusting device 4, a detection track 2 and a horizontal detector 5. The mounting bracket 1 is composed of a portal frame 11 and a cross beam 12 arranged symmetrically, which provides a solid support foundation for the entire detection system and enhances the overall rigidity and stability of the structure. The adjusting groove 121 on the cross beam 12 cooperates with the adjusting device 4, so that the hanging rod 3 can be flexibly adjusted in position according to different models of trolley frames, making the device adaptable to the detection of trolley frames of different sizes and types and expanding the application range. The hanging rod 3 is arranged in the hollow connecting rod 6 on the cross beam 12 through the lead screw 41 and the adjusting nut 42, and the rotation of the adjusting nut 42 can accurately control the extension length of the lead screw 41, realizing fine adjustment of the height of the hanging rod 3 and improving the accuracy of the flatness of the detection track 2. The loosening prevention washer 7 enhances the locking effect and ensures the long-term stability after the height is set, reducing the need for regular inspection and re-adjustment. The hollow connecting rod 6 provides a closed channel for the hanging rod 3, allowing the hanging rod 3 to move up and down without being affected by the external environment. The close cooperation of the guide groove 61 and the guide block 31 ensures that the hanging rod 3 always maintains linear motion during upward and downward movement, further improving the accuracy of height adjustment. The detection track 2 is composed of a transverse connecting beam 21 and a longitudinal sliding rail 22, forming a stable rectangular frame structure that enhances the rigidity and stability of the detection track 2 and reduces measurement deviations caused by structural deformation or assembly errors. The horizontal detector 5 (such as a level or an electronic sensor) is arranged axially along the longitudinal sliding rail 22, allowing real-time monitoring of the flatness changes of the detection track 2, so that the operator can quickly identify and correct any deviations based on the level information, achieving rapid adjustment and calibration of the flatness of the detection track 2.

[0046] In use, the portal frames 11 are symmetrically arranged on the ground to ensure that the portal frames 11 are stably and horizontally placed, and the anchor bolts or adjustable legs can be used to ensure the stability and levelness of the portal frames 11, the ends of the cross beams 12 are connected to the corresponding portal frames 11 respectively to ensure that the cross beams 12 are horizontal and firm, one end of the lead screw 41 is connected to the upper end of the boom 3, the other end is locked through the adjusting nut 42 after passing through the cross beam 12 at the upper end of the hollow connecting rod 6, according to the specific size and requirements of the car frame to be detected, the distance between the booms 3 is adjusted by the adjusting groove 121 on the cross beam 12, and the detection track 2 is connected to the boom 3 through the hinged shaft 211 to ensure firm connection and allow a certain angle adjustment, then the adjusting nut 42 is rotated to preliminarily set the height of the boom 3, the height of the boom 3 is continuously adjusted by observing the data of the level meter until the detection track 2 reaches the predetermined horizontal position, and thus the assembly of the detection device is completed, and finally the tower crane trolley is placed on the detection track 2 so that the rollers thereof are in contact with the track, and the flatness detection of the trolley is started.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present application, and is only used to illustrate the technical scheme of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application are included in the protection scope of the present application.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "upper end", "lower end", "upper surface", "lower surface" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0049] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A tool crane trolley frame flatness detection device, comprising: The utility model provides a tower crane trolley running plane degree detection device, including installation support (1), detection track (2), boom (3), a plurality of booms (3) are equipped on the installation support (1), and the detection track (2) is hung on the installation support (1) through the boom (3) and can carry out operation plane degree detection to tower crane trolley, it is characterized by: The boom (3) is arranged on the installation support (1) through the adjusting device (4), and the height of the boom (3) on the installation support (1) can be adjusted through the adjusting device (4), a level detector (5) is arranged on the detection track (2), and the level detector (5) can monitor the plane degree of the detection track (2) in real time.

2. The device for detecting the flatness of a tool crane trolley frame according to claim 1, characterized in that: The detection track (2) includes a transverse connecting beam (21) and longitudinal sliding rails (22), the longitudinal sliding rails (22) are arranged at both ends of the transverse connecting beam (21) and are perpendicular to the transverse connecting beam (21), and the transverse connecting beam (21) is provided with a hinge shaft (211) connected with the boom (3).

3. The device for detecting the flatness of a tool crane trolley frame according to claim 2, characterized in that: The level detector (5) is a level meter, and the level meter is arranged on the longitudinal sliding rail (22) in the axial direction of the longitudinal sliding rail (22).

4. The device for detecting the flatness of a tool crane trolley frame according to claim 1, characterized in that: The installation support (1) includes a portal frame (11) and a cross beam (12), the portal frames (11) are symmetrically arranged on the ground, the two ends of the cross beam (12) are connected to the corresponding portal frames (11), and the corresponding adjusting grooves (121) are arranged on the cross beam (12) in the axial direction, the boom (3) is arranged on the corresponding cross beam (12) through the adjusting device (4), and the distance between the booms (3) can be adjusted through the cooperation of the adjusting device (4) and the adjusting grooves (121).

5. A device for detecting the flatness of a tool crane trolley frame according to claim 4, characterized in that: The cross beam (12) of the installation support (1) is provided with a hollow connecting rod (6) corresponding to the boom (3), the upper end of the boom (3) is arranged in the hollow connecting rod (6), and the boom (3) can move up and down in the hollow connecting rod (6) through the adjustment of the adjusting device (4).

6. A device for detecting the flatness of a tool crane trolley frame according to claim 5, characterized in that: The inner wall of the hollow connecting rod (6) is provided with a guide groove (61), the boom (3) is provided with a guide block (31) corresponding to the guide groove (61), and the boom (3) moves in the axial direction of the hollow connecting rod (6) through the cooperation of the guide groove (61) and the guide block (31).

7. The device for detecting the flatness of a tool crane trolley frame according to claim 5, characterized in that: The adjusting device (4) includes a lead screw (41) and an adjusting nut (42), one end of the lead screw (41) is connected to the upper end of the boom (3), the other end passes through the cross beam (12) at the upper end of the hollow connecting rod (6), and is locked through the adjusting nut (42).

8. The device for detecting the flatness of a tool crane trolley frame according to claim 7, characterized in that: A loosening prevention washer (7) is arranged between the lead screw (41) and the adjusting nut (42).

Citation Information

Patent Citations

  • Tower crane variable-amplitude trolley and tower crane

    CN112520601A

  • Tower crane trolley flatness detection device

    CN217980273U