Locking mechanism of electric flat carriage
The electric flatcar locking mechanism, which uses an electric push rod to drive the locking block and gear linkage, solves the problem of insufficient locking force of traditional mechanical locking mechanisms under heavy load and high-precision positioning. It realizes automated operation and self-locking function, and improves the stability and safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional mechanical locking mechanisms lack sufficient locking force under heavy loads or high-precision positioning conditions, rely on manual operation, are inefficient and unstable, pose safety hazards, and are prone to failure under harsh working conditions.
The locking block is driven by an electric push rod, and the linkage design of the gear sub-disc, gear nut and extension block realizes automated operation and self-locking function. The electric push rod and electric valve provide greater locking force to meet the needs of heavy-duty working conditions and high-precision positioning.
It provides greater locking force, adapts to heavy-duty working conditions and high-precision positioning, improves work efficiency, reduces manual intervention, reduces safety hazards, and maintains stability under harsh working conditions, thereby improving equipment safety.
Smart Images

Figure CN224045196U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric flat car locking technical field especially relates to a kind of electric flat car locking mechanism. BACKGROUND
[0002] Electric flat car locking mechanism is a device for fixing electric flat car (such as track flat car, carrier etc.), its main function is to ensure that flat car keeps stable in stopping or transportation process, prevents accidental movement or sliding, this kind of mechanism is widely used in industrial production, logistics transportation, warehousing management etc., especially in the scene needing accurate positioning or safe fixation.
[0003] Traditional mechanical locking mechanism is limited by its structure, and the locking force provided is relatively limited, which is not satisfactory when dealing with heavy load or needing high-precision positioning, secondly, most locking mechanisms rely on manual operation, not only low efficiency, but also certain security risks. The inconsistency of working conditions also makes it difficult for existing locking mechanisms to effectively respond, resulting in unstable locking effect, increasing the cost of maintenance and management;In addition, some locking mechanisms are prone to wear after frequent use, and the locking effect gradually decreases, which not only affects the normal operation of the equipment, but also increases the workload and cost of maintenance, more seriously, when facing harsh working conditions such as vibration or impact, some locking mechanisms without self-locking or anti-loose function may fail, thereby affecting the safety and reliability of the equipment, therefore, we propose a kind of electric flat car locking mechanism. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in prior art, traditional mechanical locking mechanism is limited by its structure, and the locking force provided is relatively limited, which is not satisfactory when dealing with heavy load or needing high-precision positioning, secondly, most locking mechanisms rely on manual operation, not only low efficiency, but also certain security risks. The inconsistency of working conditions also makes it difficult for existing locking mechanisms to effectively respond, resulting in unstable locking effect, increasing the cost of maintenance and management;In addition, some locking mechanisms are prone to wear after frequent use, and the locking effect gradually decreases, which not only affects the normal operation of the equipment, but also increases the workload and cost of maintenance, more seriously, when facing harsh working conditions such as vibration or impact, some locking mechanisms without self-locking or anti-loose function may fail, thereby affecting the safety and reliability of the equipment.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] The utility model provides an electric flat car locking mechanism, including electric flat car body and track, electric flat car body is connected on the track and slides, the bottom end four corner of electric flat car body is provided with electric push rod, installs the locking block on the output end of electric push rod, a plurality of locking grooves are arranged on the track.
[0007] Further, a plurality of recesses are formed on the outer wall of the locking block, a plurality of extension blocks are slidably connected in the recesses, a plurality of extension grooves are formed in the locking grooves, the locking block is fitted with the locking groove, and the extension block is fitted with the extension groove.
[0008] Further, a pinion sub-disc and a pinion mother disc are installed in the locking block, the pinion sub-disc and the pinion mother disc are fitted with each other, the height of the pinion mother disc is greater than that of the pinion sub-disc, and the pinion mother disc is fixedly installed at the bottom end in the locking block.
[0009] Further, an electric valve is connected to the output end of the electric push rod, and the output end of the electric valve extends into the locking block and is connected with the pinion sub-disc.
[0010] Further, a plurality of rotating shafts are connected to the outer wall of the pinion sub-disc, and a connecting rod is installed on the rotating shafts, and the other end of the connecting rod is connected with the extension block.
[0011] Further, a plurality of spring rods are connected to the outer wall of the pinion mother disc, and the other end of the spring rod is connected with the extension block.
[0012] Further, a telescopic rod is installed in the spring rod, and the initial length of the telescopic rod is less than the length of the recess.
[0013] Further, an operation panel is installed at one end of the electric flat car body, and the operation panel is electrically connected with the electric push rod and the electric valve.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The utility model drives the locking block through the electric push rod, and combines the linkage design of the pinion sub-disc, the pinion mother disc and the extension block, so that greater locking force can be provided, and heavy load working conditions and high-precision positioning requirements can be adapted.
[0016] 2. The utility model realizes automatic operation of the locking mechanism through the cooperation of the electric push rod and the electric valve, significantly improves the work efficiency, reduces manual intervention, and reduces the safety hidden trouble.
[0017] 3. The utility model realizes the self-locking and anti-loose functions through the fitting design of the pinion sub-disc and the pinion mother disc and the elastic support of the spring rod, ensures that the locking mechanism can still remain stable under harsh working conditions, and improves the safety of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A whole structure schematic view of the electric flat car locking mechanism is provided in the utility model;
[0019] Figure 2 An electric valve structure schematic view of the electric flat car locking mechanism is provided in the utility model;
[0020] Figure 3 A spring rod structure schematic view of the electric flat car locking mechanism is provided in the utility model;
[0021] Figure 4 A locking block internal structure plane dissection schematic view of the electric flat car locking mechanism is provided in the utility model.
[0022] Legend: 1, electric flat car main body; 2, track; 3, locking block; 101, electric push rod; 102, electric valve; 103, operation panel; 201, locking groove; 301, recess; 302, extension block; 303, gear sub-disc; 304, gear mother disc; 305, connecting rod; 306, spring rod; 307, telescopic rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] In order to facilitate understanding of the utility model, the utility model will be more fully described below with reference to the related utility model, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0025] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "including", "comprising", "having" and the like are specifically intended to be construed in an inclusive sense and not to the exclusion of any other items, whether or not specifically recited.
[0027] Embodiment 1
[0028] As shown in Figures 1-4 The utility model provides a technical scheme: a kind of electric flat car locking mechanism, including electric flat car main body 1 and track 2, electric flat car main body 1 is slidably connected on track 2, the bottom end four corners of electric flat car main body 1 is provided with electric push rod 101, locking block 3 is installed on the output end of electric push rod 101, several locking grooves 201 are arranged equidistantly on track 2 and are opened, electric push rod 101 promotes locking block 3 to move to locking groove 201, when locking block 3 is inserted into locking groove 201, electric push rod 101 continues to exert thrust force, so that locking block 3 and locking groove 201 are in close contact, ensure locking.
[0029] Embodiment 2
[0030] As shown in Figures 1-4 The outer wall of locking block 3 is provided with several grooves 301, several extension blocks 302 are slidably connected in groove 301, several extension grooves are arranged in locking groove 201, locking block 3 and locking groove 201 are matched, extension block 302 and extension groove are matched, when locking block 3 and locking groove 201 are in close contact, extension block 302 extends outward, and is inserted into extension groove, to further improve locking force;
[0031] A gear sub-plate 303 and a gear mother-plate 304 are installed in the locking block 3, the gear sub-plate 303 and the gear mother-plate 304 are matched with each other, the height of the gear mother-plate 304 is greater than that of the gear sub-plate 303, the gear mother-plate 304 is fixedly installed at the bottom end in the locking block 3, the output end of the electric push rod 101 is connected with an electric valve 102, the output end of the electric valve 102 extends into the locking block 3 and is connected with the gear sub-plate 303, a plurality of rotating shafts are connected on the outer wall of the gear sub-plate 303, and a connecting rod 305 is installed on the rotating shaft, the other end of the connecting rod 305 is connected with an extension block 302, a plurality of spring rods 306 are connected on the outer wall of the gear mother-plate 304, the other end of the spring rod 306 is connected with the extension block 302, a telescopic rod 307 is installed in the spring rod 306, the initial length of the telescopic rod 307 is less than the length of the groove 301, when the locking block 3 contacts with the locking groove 201, the gear sub-plate 303 and the gear mother-plate 304 start to work, the gear sub-plate 303 and the gear mother-plate 304 are engaged, the connecting rod 305 drives the extension block 302 to extend outward, the telescopic rod 307 in the spring rod 306 is telescoped, and the self-locking effect is generated, and the gear sub-plate 303 and the gear mother-plate 304 ensure that the locking block 3 will not be loosened due to external force (such as vibration or load) in the locked state.
[0032] An operation panel 103 is installed on one end of the electric flat car body 1, the operation panel 103 is electrically connected with the electric push rod 101 and the electric valve 102, and a user can directly control the electric push rod 101 and the electric valve 102 through the operation panel 103, so that the locking and unlocking operations are realized, and the operation is simple and intuitive.
[0033] The working process of the utility model: when the electric flat car locking mechanism is used, firstly, the user starts the locking operation through the operation panel 103, the operation panel 103 sends signals to the electric push rod 101 and the electric valve 102, the electric push rod 101 starts to work, pushes the locking block 3 to move to the locking groove 201 on the track 2, the electric push rod 101 continuously pushes the locking block 3, so that the locking block 3 is gradually inserted into the locking groove 201 on the track 2, the locking block 3 preliminarily contacts with the locking groove 201, and preliminary locking is formed.
[0034] When the locking block 3 closely contacts with the locking groove 201, the gear sub-plate 303 and the gear mother-plate 304 in the locking block 3 start to work, the gear sub-plate 303 and the gear mother-plate 304 are engaged with each other, drive the connecting rod 305 to move, the connecting rod 305 pushes the extension block 302 to extend outward and is inserted into the extension groove in the locking groove 201, further improves the locking force, then the spring rod 306 on the outer wall of the gear mother-plate 304 starts to work, the telescopic rod 307 in the spring rod 306 is telescoped, and the elastic force of the spring rod 306 makes the contact between the extension block 302 and the extension groove more closely, and the self-locking effect is generated.
[0035] The user starts the unlocking operation by operating the operation panel 103, the operation panel 103 sends signals to the electric push rod 101 and the electric valve 102, the electric valve 102 controls the gear sub-disc 303 to disengage from the gear parent disc 304, the electric push rod 101 retracts, the locking block 3 is withdrawn from the locking groove 201, the extension block 302 is retracted under the action of the spring rod 306 and is withdrawn from the extension groove, the locking block 3 is completely withdrawn from the locking groove 201, the extension block 302 is retracted into the recess 301, and the electric flat car body 1 is unlocked and can move freely.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A locking mechanism of an electric flat car, comprising an electric flat car body (1) and a track (2), the electric flat car body (1) is slidingly connected on the track (2), characterized in that: The bottom end of the electric flat car body (1) is provided with an electric push rod (101) at four corners, the output end of the electric push rod (101) is provided with a locking block (3), and the track (2) is provided with a plurality of locking grooves (201) arranged at equal intervals.
2. The locking mechanism of an electric flat car according to claim 1, characterized in that: A plurality of recesses (301) are formed in the outer wall of the locking block (3), a plurality of extension blocks (302) are slidably connected in the recesses (301), a plurality of extension grooves are arranged in the locking grooves (201), the locking block (3) is matched with the locking grooves (201), and the extension blocks (302) are matched with the extension grooves.
3. The locking mechanism of claim 1, wherein: The locking block (3) is provided with a gear pinion (303) and a gear ring (304), the gear pinion (303) and the gear ring (304) are matched with each other, the height of the gear ring (304) is greater than that of the gear pinion (303), and the gear ring (304) is fixedly installed at the bottom end of the locking block (3).
4. The locking mechanism of claim 3, wherein: The output end of the electric push rod (101) is connected with an electric valve (102), and the output end of the electric valve (102) extends into the locking block (3) and is connected with the gear pinion (303).
5. The locking mechanism of claim 3, wherein: A plurality of rotating shafts are connected to the outer wall of the gear pinion (303), and a connecting rod (305) is installed on the rotating shafts, and the other end of the connecting rod (305) is connected with the extension block (302).
6. The locking mechanism of claim 3, wherein: A plurality of spring rods (306) are connected to the outer wall of the gear ring (304), and the other end of the spring rod (306) is connected with the extension block (302).
7. The locking mechanism of claim 6, wherein: A telescopic rod (307) is installed in the spring rod (306), and the initial length of the telescopic rod (307) is less than the length of the recess (301).
8. The locking mechanism of claim 1, wherein: An operation panel (103) is installed at one end of the electric flat car body (1), and the operation panel (103) is electrically connected with the electric push rod (101) and the electric valve (102).