Anti-derailment thrust wheel
By designing a combination of a receiving groove, positioning column, locking block, locking device, and control device for the anti-derailment support roller, the problem of time-consuming and labor-intensive installation and disassembly of support rollers in the existing technology is solved, enabling rapid installation and disassembly of support rollers and improving efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG QIRUI PRECISION TECH CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
The existing tracked crane track anti-derailment support rollers require multiple screws to be turned sequentially during installation and disassembly, which makes the installation and disassembly process time-consuming and labor-intensive, affecting efficiency.
A derailment prevention support roller was designed. By using a combination of a receiving groove, a positioning post, a locking block, a locking device, and a control device, the support roller can be quickly installed and removed, reducing the reliance on screws.
It improves the efficiency of installing and removing support rollers, simplifies the operation process, reduces the number of times screws are turned, and improves work efficiency.
Smart Images

Figure CN224104178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of supporting wheel, especially relates to a anti -derailment supporting wheel. BACKGROUND
[0002] Supporting wheel is the key component of the walking system of tracked engineering machinery and agricultural machinery and other equipment, which mainly undertakes the important role of supporting the weight of equipment, and in the process of equipment driving, it closely cooperates with the track to evenly transmit the gravity of equipment to the track, and the supporting wheel is usually made of high-strength alloy steel and other materials, has good wear resistance, impact resistance and carrying capacity, so as to adapt to complex and severe working environment and frequent heavy running conditions, and ensure that the equipment can stably and reliably move.
[0003] Through the search, the patent with the Chinese patent application number 202321910796.5 discloses a kind of caterpillar crane caterpillar anti-derailment supporting wheel, it is related to supporting wheel field, the caterpillar crane caterpillar anti-derailment supporting wheel, including supporting wheel adjusting frame and supporting wheel, supporting wheel adjusting frame is set in walking frame in caterpillar assembly, supporting wheel is set in mounting frame in supporting wheel adjusting frame, sliding block and first telescopic mechanism are set on mounting frame, the supporting wheel is moved up and down relative to walking frame under the action of sliding block and first telescopic mechanism on mounting frame.It is advantageous that the interval between supporting wheel and track chain is dynamically adjusted by supporting wheel adjusting frame installed on walking frame, so that supporting wheel is always in contact with track chain, effectively avoids the problem of supporting wheel derailment, and the diameter of supporting wheel is dynamically adjusted by additional wheel arranged on supporting wheel and expandable, so that supporting wheel is always in contact with track chain, further enhances the use effect, and avoids the problem of supporting wheel derailment.
[0004] The existing technology has the following problems: the existing caterpillar crane caterpillar anti-derailment supporting wheel usually needs to be placed at a suitable position at the bottom of mounting frame during installation, and then the rotating shaft on the supporting wheel is connected with the mounting frame through fixing clamps and screws, and during installation and disassembly of the supporting wheel, the operator needs to rotate multiple screws in sequence, which is time-consuming and laborious, and affects the efficiency of installation and disassembly of the supporting wheel. UTILITY MODEL CONTENTS
[0005] In view of the problems existing in the prior art, the utility model provides an anti-derailment supporting wheel, which has the advantages of convenient installation and disassembly of the supporting wheel, and solves the problem that the existing caterpillar crane caterpillar anti-derailment supporting wheel usually needs to be placed at a suitable position at the bottom of mounting frame during installation, and then the rotating shaft on the supporting wheel is connected with the mounting frame through fixing clamps and screws, and during installation and disassembly of the supporting wheel, the operator needs to rotate multiple screws in sequence, which is time-consuming and laborious, and affects the efficiency of installation and disassembly of the supporting wheel.
[0006] The utility model discloses a kind of derailment-preventing supporting wheel, including body, mounting frame, supporting wheel and fixed card, the middle of the bottom front side and rear side of mounting frame is equipped with two accommodating grooves, the both sides of the bottom front side and rear side of mounting frame are provided with positioning column, the middle of the top of fixed card is provided with two clamping blocks, the left side and the right side of the top of fixed card are equipped with positioning hole, the bottom of accommodating groove inner cavity is provided with locking device used in cooperation with clamping block, the top of accommodating groove inner cavity is provided with control device used in cooperation with locking device.
[0007] As preferred in the utility model, the top of the positioning column is fixedly connected with the mounting frame, the bottom of the positioning column passes through the positioning hole and extends to the inner cavity of the positioning hole to contact with the inner wall of the positioning hole.
[0008] As preferred in the utility model, the bottom of the clamping block is fixedly connected with the fixed card, the top of the clamping block passes through the accommodating groove and extends to the inner cavity of the accommodating groove.
[0009] As preferred in the utility model, the locking device comprises a moving plate, the right side of the moving plate is provided with a fixed block, the front side and the rear side of the left side of the moving plate are provided with a limiting column, the left side of the limiting column is provided with a limiting plate, and the surface of the limiting column is sleeved with a spring.
[0010] As preferred in the utility model, the control device comprises a sector gear, the front side of the sector gear is provided with a transmission column, and the front side of the transmission column is provided with a poking rod.
[0011] As preferred in the utility model, the bottom of the moving plate contacts with the inner wall of the accommodating groove, the left side of the fixed block is fixedly connected with the moving plate, the side close to the clamping block of the fixed block contacts with the clamping block, the right side of the limiting column is fixedly connected with the moving plate, the left side of the limiting column penetrates through the accommodating groove and extends to the outside of the accommodating groove to be fixedly connected with the limiting plate, and the left side and the right side of the spring are respectively fixedly connected with the inner wall of the accommodating groove and the moving plate.
[0012] As preferred in the utility model, the rear side of the sector gear is rotatably connected with the inner wall of the accommodating groove, the bottom of the sector gear is engaged with the moving plate, the rear side of the transmission column is fixedly connected with the sector gear, and the front side of the transmission column penetrates through the accommodating groove and extends to the outside of the accommodating groove to be fixedly connected with the poking rod.
[0013] Compared with the prior art, the utility model has the beneficial effects as follows:
[0014] 1. The utility model discloses a through the cooperation of accommodating groove, positioning column, clamping block, positioning hole, locking device and control device, solved the existing caterpillar type crane caterpillar prevent derailment supporting wheel when installing, usually need to place supporting wheel in the installation frame bottom proper position, and then through fixed card and screw, make the pivot on supporting wheel and installation frame connect, and supporting wheel installs and dismounts, need operating personnel to rotate a plurality of screws in proper order, process is more time -consuming and labor -intensive, influenced the efficiency problem of supporting wheel installation and dismounting.
[0015] 2. The utility model discloses a positioning column and positioning hole are set up, can play the limiting effect to fixed card, convenient for user's use of fixed card.
[0016] 3. The utility model discloses a clamping block is set up, can play the fixed effect to fixed card, convenient for operating personnel to install supporting wheel.
[0017] 4. The utility model discloses a locking device is set up, can play the fixed effect to clamping block, convenient for operating personnel to install supporting wheel.
[0018] 5. The utility model discloses a control device is set up, can play the control effect to locking device, convenient for operating personnel to dismount supporting wheel.
[0019] 6. The utility model discloses a moving plate is set up, can drive fixed block, limiting post and limiting plate synchronous movement, and extrude spring, through setting up fixed block, can fixed block is fixed, through setting up limiting post and limiting plate, can spring and moving plate are supported and limited, through setting up spring, can through the force of extrusion after release, push moving plate and move reversely and reset.
[0020] 7. The utility model discloses a sector gear is set up, can drive moving plate and move, through setting up the lever and transmission column, can make operating personnel to move lever, and through transmission column drive sector gear rotates. ACCURATE DRAWINGS
[0021] Figure 1 It is the whole three-dimensional structure schematic diagram that the utility model embodiment provides;
[0022] Figure 2 It is the fixed card explosion view that the utility model embodiment provides;
[0023] Figure 3 It is the installation frame partial section view that the utility model embodiment provides;
[0024] Figure 4 It is the utility model embodiment provides Figure 3 A place enlarged view;
[0025] Figure 5 is a three-dimensional structure schematic view of the locking device and the control device provided by the embodiment of the utility model.
[0026] In the drawing: 1, machine body; 2, mounting frame; 3, supporting wheel; 4, fixed clamp; 5, accommodating groove; 6, positioning column; 7, clamping block; 8, positioning hole; 9, locking device; 10, control device; 901, moving plate; 902, fixed block; 903, limiting column; 904, limiting plate; 905, spring; 1001, sector gear; 1002, transmission column; 1003, pushing rod. DETAILED DESCRIPTION
[0027] In order to further understand the invention content, characteristics and effects of the utility model, the following embodiments are exemplified, and are described in detail as follows in cooperation with the drawings.
[0028] The structure of the utility model will be described in detail below in combination with the drawings.
[0029] As Figures 1 to 5 shown, the utility model embodiment provides a kind of anti derailment supporting wheel, including machine body 1, mounting frame 2, supporting wheel 3 and fixed clamp 4, two accommodating grooves 5 are set in the middle of the bottom front side and rear side of mounting frame 2, positioning column 6 is set in the both sides of the bottom front side and rear side of mounting frame 2, two clamping blocks 7 are set in the middle of the top of fixed clamp 4, positioning hole 8 is set in the left side and right side of the top of fixed clamp 4, locking device 9 for cooperating with clamping block 7 is set in the bottom of accommodating groove 5 inner cavity, control device 10 for cooperating with locking device 9 is set in the top of accommodating groove 5 inner cavity.
[0030] Reference Figure 2 , the top of positioning column 6 is fixedly connected with mounting frame 2, the bottom of positioning column 6 passes through positioning hole 8, and extends to the inner cavity of positioning hole 8 and contacts with the inner wall of positioning hole 8.
[0031] Adopt the above scheme: by setting positioning column 6 and positioning hole 8, fixed clamp 4 can be limited, and the use of fixed clamp 4 by user is facilitated.
[0032] Reference Figure 1 and Figure 2 , the bottom of clamping block 7 is fixedly connected with fixed clamp 4, the top of clamping block 7 passes through accommodating groove 5, and extends to the inner cavity of accommodating groove 5.
[0033] Adopt the above scheme: by setting clamping block 7, fixed clamp 4 can be fixed, and the installation of supporting wheel 3 by operating personnel is facilitated.
[0034] Reference Figure 5The locking device 9 comprises a moving plate 901, the right side of the moving plate 901 is provided with a fixing block 902, the front side and the rear side of the left side of the moving plate 901 are provided with a limiting column 903, the left side of the limiting column 903 is provided with a limiting plate 904, and the surface of the limiting column 903 is sleeved with a spring 905.
[0035] By adopting the above scheme, the locking device 9 can be arranged to fix the clamping block 7, so that the operator can conveniently install the supporting wheel 3.
[0036] With reference to Figure 5 The control device 10 comprises a sector gear 1001, the front side of the sector gear 1001 is provided with a transmission column 1002, and the front side of the transmission column 1002 is provided with a pushing rod 1003.
[0037] By adopting the above scheme, the control device 10 can be arranged to control the locking device 9, so that the operator can conveniently disassemble the supporting wheel 3.
[0038] With reference to Figure 4 And Figure 5 The bottom of the moving plate 901 is in contact with the inner wall of the accommodating groove 5, the left side of the fixing block 902 is fixedly connected with the moving plate 901, the side, close to the clamping block 7, of the fixing block 902 is in contact with the clamping block 7, the right side of the limiting column 903 is fixedly connected with the moving plate 901, the left side of the limiting column 903 penetrates through the accommodating groove 5 and extends to the outside of the accommodating groove 5 and is fixedly connected with the limiting plate 904, and the left side and the right side of the spring 905 are fixedly connected with the inner wall of the accommodating groove 5 and the moving plate 901 respectively.
[0039] By adopting the above scheme, the moving plate 901 can be arranged to drive the fixing block 902, the limiting column 903 and the limiting plate 904 to move synchronously and extrude the spring 905, the fixing block 902 can be arranged to fix the clamping block 7, the limiting column 903 and the limiting plate 904 can be arranged to support and limit the spring 905 and the moving plate 901, and the spring 905 can be arranged to push the moving plate 901 to move reversely and reset through the force released after extrusion.
[0040] With reference to Figure 4 And Figure 5 The rear side of the sector gear 1001 is rotationally connected with the inner wall of the accommodating groove 5, the bottom of the sector gear 1001 is engaged with the moving plate 901, the rear side of the transmission column 1002 is fixedly connected with the sector gear 1001, and the front side of the transmission column 1002 penetrates through the accommodating groove 5 and extends to the outside of the accommodating groove 5 and is fixedly connected with the pushing rod 1003.
[0041] Adopt the above scheme: by setting the sector gear 1001, the moving plate 901 can be driven to move, by setting the lever 1003 and the transmission column 1002, the operator can drive the lever 1003, and the sector gear 1001 is driven to rotate through the transmission column 1002.
[0042] The working principle of the utility model:
[0043] When the support wheel 3 needs to be installed, the support wheel 3 is placed at a proper position at the bottom of the mounting frame 2, after the placement is completed, the fixed clamp 4 is placed at a proper position at the bottom of the support wheel 3, the positioning hole 8 at the top of the fixed clamp 4 corresponds to the position of the positioning column 6, then the fixed clamp 4 is pushed upwards, the positioning column 6 passes through the positioning hole 8 and enters the inner cavity of the positioning hole 8, at the same time, the clamping block 7 at the top of the fixed clamp 4 passes through the accommodating groove 5 and enters the inner cavity of the accommodating groove 5, in the process of entering the inner cavity of the accommodating groove 5, the inclined surface of the clamping block 7 contacts the inclined surface of the fixed block 902 and generates extrusion, at this time, the extrusion force generated will push the fixed block 902 to move, the fixed block 902 will drive the moving plate 901, the limiting column 903 and the limiting plate 904 to move synchronously and extrude the spring 905, the moving plate 901 will drive the sector gear 1001, the transmission column 1002 and the lever 1003 to rotate synchronously, when the clamping block 7 enters the inner cavity of the accommodating groove 5, at this time, the fixed block 902 is no longer extruded, the spring 905 is also no longer extruded, at the same time, the force released after the spring 905 is extruded will push the moving plate 901, the limiting column 903, the limiting plate 904 and the fixed block 902 to move reversely and reset synchronously, so that the fixed block 902 fixes the clamping block 7, at the same time, in the process of reverse movement, the moving plate 901 will drive the sector gear 1001, the transmission column 1002 and the lever 1003 to rotate reversely and reset synchronously, and the installation is completed.
[0044] When the support wheel 3 needs to be disassembled, the operator drives two levers 1003 at the same time, the lever 1003 will drive the sector gear 1001 to rotate synchronously through the transmission column 1002, in the process of rotating, the moving plate 901, the fixed block 902, the limiting column 903 and the limiting plate 904 will move synchronously in the direction away from the clamping block 7 and extrude the spring 905, when the fixed block 902 no longer contacts the clamping block 7, at this time, the fixed block 902 can be removed, and the support wheel 3 can be disassembled, and the disassembly is completed.
[0045] In summary: the anti-derailment truck wheel 3, by setting the accommodation groove 5, positioning column 6, clamping block 7, positioning hole 8, locking device 9 and control device 10 are used in coordination, solved the existing crawler crane track anti-derailment truck wheel in the installation, usually need to be placed in the installation frame bottom suitable position, and then through the fixed card and screw, make the truck wheel on the shaft and installation frame connection, and the truck wheel in the installation and disassembly, need the operator to rotate a plurality of screws in turn, the process is more time-consuming and laborious, affected the efficiency of the truck wheel installation and disassembly problem.
[0046] It should be noted that in this document, relationship terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying that these entities or actions are in any way actually related or ordered. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0047] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A derailment-proof truck wheel, comprising a body (1), a mounting frame (2), a truck wheel (3) and a fixing clamp (4), characterized in that: The middle of the bottom front side and the bottom rear side of the mounting frame (2) is provided with two accommodating grooves (5), the two sides of the bottom front side and the bottom rear side of the mounting frame (2) are provided with positioning columns (6), the middle of the top of the fixed clamps (4) is provided with two clamping blocks (7), the left side and the right side of the top of the fixed clamps (4) are provided with positioning holes (8), the bottom of the inner cavity of the accommodating grooves (5) is provided with locking devices (9) matched with the clamping blocks (7), and the top of the inner cavity of the accommodating grooves (5) is provided with control devices (10) matched with the locking devices (9).
2. The anti-derailing truck wheel of claim 1, wherein: The top of the positioning column (6) is fixedly connected with the mounting frame (2), the bottom of the positioning column (6) penetrates through the positioning hole (8) and extends to the inner cavity of the positioning hole (8) and contacts the inner wall of the positioning hole (8).
3. The anti-derailing truck wheel of claim 1, wherein: The bottom of the clamping block (7) is fixedly connected with the fixed clamp (4), and the top of the clamping block (7) penetrates through the accommodating groove (5) and extends to the inner cavity of the accommodating groove (5).
4. The anti-untracking truck wheel of claim 1 wherein: The locking device (9) comprises a moving plate (901), the right side of the moving plate (901) is provided with a fixed block (902), the front side and the rear side of the left side of the moving plate (901) are provided with limiting columns (903), the left side of the limiting column (903) is provided with a limiting plate (904), and the surface of the limiting column (903) is sleeved with a spring (905).
5. The anti-untracking truck wheel of claim 1 wherein: The control device (10) comprises a sector gear (1001), the front side of the sector gear (1001) is provided with a transmission column (1002), and the front side of the transmission column (1002) is provided with a pushing rod (1003).
6. A derailment-proof truck wheel as defined in claim 4 wherein: The bottom of the moving plate (901) contacts the inner wall of the accommodating groove (5), the left side of the fixed block (902) is fixedly connected with the moving plate (901), one side of the fixed block (902) close to the clamping block (7) contacts the clamping block (7), the right side of the limiting column (903) is fixedly connected with the moving plate (901), the left side of the limiting column (903) penetrates through the accommodating groove (5) and extends to the outside of the accommodating groove (5) and is fixedly connected with the limiting plate (904), and the left side and the right side of the spring (905) are fixedly connected with the inner wall of the accommodating groove (5) and the moving plate (901) respectively.
7. The anti-derailing truck wheel of claim 5, wherein: The rear side of the sector gear (1001) is rotatably connected with the inner wall of the accommodating groove (5), the bottom of the sector gear (1001) is engaged with the moving plate (901), the rear side of the transmission column (1002) is fixedly connected with the sector gear (1001), the front side of the transmission column (1002) penetrates through the accommodating groove (5) and extends to the outside of the accommodating groove (5) and is fixedly connected with the pushing rod (1003).
Citation Information
Patent Citations
Crawler anti-derailment thrust wheel of crawler crane
CN220220956U