Side-mounted electric locomotive acoustic package fixing device
By designing a boss and snap-fit structure, and utilizing a spring to drive the snap-fit block to engage with the snap-fit slot, the problem of cumbersome installation of the acoustic package fixing device for electric locomotives was solved, achieving a convenient and stable installation and disassembly process.
Patent Information
- Application Number
- CN202423139506.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The existing acoustic package mounting device for electric locomotives uses multiple sets of bolts for installation, which is a cumbersome process.
It adopts a boss and snap-fit structure, and uses a spring to drive the snap-fit block to cooperate with the slot, so as to achieve boltless snap-fit installation, and designs an unlocking mechanism for easy disassembly.
This simplifies the installation process, improves the convenience and stability of installation, and ensures the effective fixation of the acoustic package.
Smart Images

Figure CN223828225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric locomotive accessory technical field, concretely relates to a side mounted electric locomotive acoustic package fixing device. BACKGROUND
[0002] Electric locomotive is the traction equipment of track transport vehicle, in the operation process, because the electric machine uses the environment badly, can produce a large amount of noise, causes the noise pollution to the outside environment. In order to effectively reduce the noise generated by electric locomotive, acoustic package is widely used on the electric machine of electric locomotive. The function of acoustic package is to absorb and isolate noise, reduce the noise transmitted to the outside.
[0003] But the acoustic package of prior art mostly fixedly adopts multiple sets of bolt installation, and the installation is tedious. UTILITY MODEL CONTENT
[0004] The utility model discloses to the defects and insufficient of prior art, provide a design reasonable side mounted electric locomotive acoustic package fixing device, it can solve the above-mentioned defects.
[0005] In order to reach above-mentioned purpose, the utility model adopts the following technical scheme: it contains boss and clamping piece, the boss is connected on the acoustic package installation point on the electric machine shell, the clamping piece is connected on the car body, the boss contains the connecting plate connected with the electric machine shell, the connecting plate front end is connected with the connecting column, the connecting column front end is connected with the locking head, the diameter of locking head is greater than the diameter of connecting column, the clamping piece contains the fixed plate connected on the car body, the fixed plate front end is installed with the mounting seat, and the fixed plate and mounting seat are opened with the passageway of the diameter matching with the outer diameter of locking head, and the connecting column is located in the passageway;The inner wall of the passageway in the mounting seat is opened with a plurality of movable grooves, and each movable groove is rotatably installed with a clamping block in each movable groove through the pivot, and the rear side between the head of clamping block and movable groove inner wall is equipped with spring, and the side of connecting column is opened with a plurality of clamping grooves matched with clamping block, and the head of clamping block is clamped in clamping groove;The mounting seat is equipped with unlocking mechanism.
[0006] Preferably, the unlocking mechanism contains the annular slide groove opened in the mounting seat, the annular slide groove is in the inner side of the pivot of clamping block, the annular slide groove is slidably installed with the unlocking ring, the one end of annular slide groove close to the pivot of clamping block is opened with a plurality of spring grooves, the spring grooves are equipped with tension spring, and the two ends of tension spring are connected to the inner wall of spring groove and unlocking ring respectively, a plurality of unlocking slide grooves are opened in the mounting seat, the unlocking slide grooves are equipped with connecting rod, one end of connecting rod is connected to unlocking ring, and the other end of connecting rod is connected to the handle outside the mounting seat.
[0007] Preferably, the spring groove, tension spring and unlocking slide groove and connecting rod are all located in the space between movable groove.
[0008] Preferably, the locking head is provided with a plurality of guide grooves opposite the clamping groove, the front end of the guide groove is wider than the rear end, and the rear end is equal to the width of the clamping block.
[0009] Preferably, the handle is annular.
[0010] Preferably, the fixing plate is provided with a plurality of buckling grooves, and the buckling grooves are located behind the handle.
[0011] After the above structure is adopted, the utility model has the beneficial effects that:
[0012] 1. The utility model discloses a clamping type structure, which utilizes a spring to drive a clamping block to clamp a boss, and has the advantages of simple and stable structure, no need of using bolts, convenient installation and good stability, lateral force is applied to the spring and then transmitted to the mounting seat, and damage of the spring caused by excessive stress is prevented.
[0013] 2. The utility model discloses an unlocking mechanism, which can be unlocked by pulling the handle, and the dismounting is simple and convenient.
[0014] 3. The utility model discloses a plurality of guide grooves on the locking head, which can guide and limit the clamping block during installation to ensure the installation angle. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the structure schematic diagram of the utility model after installation;
[0016] Figure 2 is the structure schematic diagram of the utility model in the clamping piece;
[0017] Figure 3 is the structure schematic diagram of the utility model in the boss;
[0018] Figure 4 is the sectional view of the utility model after installation;
[0019] Figure 5 is the sectional view of the utility model at the spring groove.
[0020] BRIEF DESCRIPTION OF DRAWINGS
[0021] 1, the fixing plate;2, the mounting seat;3, the movable groove;4, the spring;5, the clamping block;6, the connecting plate;7, the connecting column;8, the locking head;9, the clamping groove;10, the guide groove;11, the annular sliding groove;12, the unlocking ring;13, the spring groove;14, the tension spring;15, the unlocking sliding groove;16, the connecting rod;17, the handle;18, the buckling groove. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0023] Referring to Figures 1-5 As shown in the figure, it comprises a boss and a clamping piece, the boss is connected to the acoustic package mounting point on the motor shell, and the clamping piece is connected to the vehicle body, the boss comprises a connecting plate 6 connected to the motor shell, the front end of the connecting plate 6 is connected with a connecting column 7, the front end of the connecting column 7 is connected with a locking head 8, the diameter of the locking head 8 is larger than that of the connecting column 7, the clamping piece comprises a fixed plate 1 connected to the vehicle body, the front end of the fixed plate 1 is provided with a mounting seat 2, a channel with a diameter matched with the outer diameter of the locking head 8 is formed in the fixed plate 1 and the mounting seat 2, and the connecting column 7 is located in the channel; a plurality of movable grooves 3 are formed in the inner wall of the channel in the mounting seat 2, a clamping block 5 is rotatably installed in each movable groove 3 through a rotating shaft, a spring 4 is arranged between the head of the clamping block 5 and the inner wall of the movable groove 3, a plurality of clamping grooves 9 matched with the clamping block 5 are formed in the side surface of the connecting column 7, and the head of the clamping block 5 is clamped in the clamping groove 9; an unlocking mechanism is arranged in the mounting seat 2;
[0024] The unlocking mechanism comprises an annular sliding groove 11 formed in the mounting seat 2, the annular sliding groove 11 is located on the inner side of the rotating shaft of the clamping block 5, an unlocking ring 12 is slidably installed in the annular sliding groove 11, a plurality of spring grooves 13 are formed in one end of the annular sliding groove 11 close to the rotating shaft of the clamping block 5, a tension spring 14 is arranged in the spring groove 13, and the two ends of the tension spring 14 are connected to the inner wall of the spring groove 13 and the unlocking ring 12 respectively, a plurality of unlocking sliding grooves 15 are formed in the mounting seat 2, a connecting rod 16 is arranged in the unlocking sliding groove 15, one end of the connecting rod 16 is connected to the unlocking ring 12, the other end of the connecting rod 16 is connected to a handle 17 arranged on the outer side of the mounting seat 2, the handle 17 is annular, a plurality of buckling grooves 18 are formed in the fixed plate 1, and the buckling grooves 18 are located behind the handle 17; the spring groove 13, the tension spring 14, the unlocking sliding groove 15 and the connecting rod 16 are located in the space between the movable grooves 3;
[0025] A plurality of guide grooves 10 opposite to the clamping grooves 9 are formed in the locking head 8, the front end width of the guide groove 10 is larger than the rear end width, and the rear end width is equal to the width of the clamping block 5.
[0026] Principle and use process of the present application:
[0027] When installing, the locking head 8 is aligned with the passage in the mounting seat 2, the clamping block 5 is aligned with the guide slot 10, and then is pushed into the mounting seat 2, when the locking head 8 moves forward through the passage, the clamping block 5 is pushed to rotate inward, meanwhile the guide slot 10 guides the clamping block 5, so that the angle of the clamping block 5 and the clamping groove 9 is opposite, in this process, the spring 4 is compressed, when the locking head 8 leaves the clamping block 5, the spring 4 pushes the clamping block 5 to rotate inward, after the boss is inserted in place, the clamping block 5 is pushed into the clamping groove 9 and is clamped, namely the installation is completed, at this time, the boss cannot be directly pulled out backward;
[0028] When dismounting, the user uses fingers or tools to stretch into the buckle slot 18 and pulls the handle 17 forward, so as to drive the unlocking ring 12 to slide forward, and then pushes the clamping block 5 back into the movable slot 3, at this time, the boss can be pulled out, and the dismounting is completed.
[0029] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the utility model attached claims are intended to cover all changes and modifications falling into the scope and boundary of the attached claims, or the equivalent form of such scope and boundary.
Claims
1. A side-mounted acoustic package fixing device for a locomotive, comprising a boss and a clamping member, characterized in that: The boss is connected to the acoustic package mounting point on the motor shell, and the clamping piece is connected to the vehicle body. The boss comprises a connecting plate (6) connected to the motor shell, a connecting column (7) connected to the front end of the connecting plate (6), and a locking head (8) connected to the front end of the connecting column (7). The diameter of the locking head (8) is larger than that of the connecting column (7). The clamping piece comprises a fixed plate (1) connected to the vehicle body, a mounting seat (2) mounted on the front end of the fixed plate (1), and a channel with a diameter matching the outer diameter of the locking head (8) formed in the fixed plate (1) and the mounting seat (2). The connecting column (7) is located in the channel. A plurality of movable grooves (3) are formed in the inner wall of the channel in the mounting seat (2). A clamping block (5) is rotatably mounted in each movable groove (3) through a rotating shaft. A spring (4) is arranged between the head of the clamping block (5) and the inner side wall of the movable groove (3). A plurality of clamping grooves (9) matching the clamping block (5) are formed in the side surface of the connecting column (7). The head of the clamping block (5) is clamped in the clamping groove (9). An unlocking mechanism is arranged in the mounting seat (2).
2. An acoustic pack securing device for a side mounted locomotive as defined in claim 1, wherein: The unlocking mechanism comprises an annular sliding groove (11) formed in the mounting seat (2), the annular sliding groove (11) being located on the inner side of the rotating shaft of the clamping block (5), an unlocking ring (12) being slidably mounted in the annular sliding groove (11), a plurality of spring grooves (13) being formed in one end of the annular sliding groove (11) close to the rotating shaft of the clamping block (5), a tension spring (14) being arranged in the spring groove (13), both ends of the tension spring (14) being connected to the inner wall of the spring groove (13) and the unlocking ring (12), respectively, a plurality of unlocking sliding grooves (15) being formed in the mounting seat (2), a connecting rod (16) being arranged in the unlocking sliding groove (15), one end of the connecting rod (16) being connected to the unlocking ring (12), and the other end of the connecting rod (16) being connected to a pull handle (17) arranged outside the mounting seat (2).
3. An acoustic pack securing device for a side mounted motor car as defined in claim 2, wherein: The spring groove (13), the tension spring (14), the unlocking sliding groove (15), and the connecting rod (16) are all located in the space between the movable grooves (3).
4. An acoustic pack securing device for a side mounted motor car as defined in claim 3, wherein: A plurality of guide grooves (10) opposite to the clamping grooves (9) are formed in the locking head (8). The front end width of the guide groove (10) is larger than the rear end width, and the rear end width is equal to the width of the clamping block (5).
5. A side mounted acoustic pack securing device for a locomotive as set forth in claim 4, wherein: The pull handle (17) is annular.
6. A side mount acoustic package securement device for a locomotive as set forth in claim 5, further characterized by: A plurality of buckle grooves (18) are formed in the fixed plate (1), and the buckle grooves (18) are all located behind the pull handle (17).