Soft start core mounting guide rail drawer

Abstract

The utility model discloses a soft start core body installation uses guide rail drawer, and soft start core body bottom end is provided with the sliding slot, and the guide rail drawer is slidably connected in the sliding slot, the guide rail drawer includes U type drawer main part, and the strip hole is centrally provided in the drawer main part, the switch shell is arranged in the explosion -proof box body, and the positioning sleeve is arranged on the switch shell, and the positioning sleeve is connected with the strip hole cooperation, makes the guide rail drawer sliding installation in the switch shell inside. The design of guide rail drawer makes the installation and disassembly process of soft start core body more simple, fast. The operator only needs to push and pull guide rail drawer and soft start core body, can complete installation and disassembly operation, need not with the help of complicated tool and tedious step, has saved time and manpower cost greatly, and the accurate design and sliding connection mode of guide rail drawer guarantee the accurate position of soft start core body in the explosion -proof box body, has improved the stability of electrical connection and the accuracy of signal transmission.

Description

Technical Field

[0001] This utility model relates to the field of guide rail drawer technology, specifically a guide rail drawer for installing a soft starter core. Background Technology

[0002] In the operation of electrical equipment, soft starters, as important starting control devices, are widely used in various motor starting systems. By controlling the starting voltage and current of the motor, soft starters achieve smooth motor starting, effectively avoiding the problems of large current surges and damage to the power grid and equipment caused by traditional direct starting methods. This extends the service life of the motor and related equipment and improves the stability and reliability of the system.

[0003] As the core component of a soft starter, the installation quality of the soft starter core directly affects the performance and effectiveness of the soft starter. Traditional soft starter core installation methods typically employ a fixed installation structure, directly fixing the soft starter core into the explosion-proof enclosure. This method has drawbacks: installation and disassembly are difficult. During installation, due to the large size and weight of the soft starter core, operators need to expend considerable effort to accurately place it in the designated position and require the use of various tools for securing it, making the installation process cumbersome and time-consuming. When equipment malfunctions and requires repair or replacement of the soft starter core, disassembly is equally difficult, requiring the removal of surrounding connecting parts one by one. This not only increases repair time and costs but may also cause secondary damage to the equipment. Furthermore, the fixed installation structure makes it difficult to ensure the precise position of the soft starter core within the explosion-proof enclosure, potentially leading to loose connections between the core and other components, affecting the stability of electrical connections and the accuracy of signal transmission. In addition, inaccurate positioning can cause mechanical interference, resulting in abnormal vibration and noise during equipment operation, reducing equipment reliability.

[0004] Therefore, this utility model provides a guide rail drawer for mounting a soft starter core. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a guide rail drawer for mounting a soft starter core, aiming to solve the aforementioned problems.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a guide rail drawer for installing a soft starter core, including a soft starter core, a sliding groove is provided at the bottom end of the soft starter core, and a guide rail drawer is slidably connected in the sliding groove. The guide rail drawer includes a U-shaped drawer body, and a strip hole is provided in the center of the drawer body.

[0007] A switch housing is installed inside the explosion-proof enclosure. A positioning sleeve is installed on the switch housing. The positioning sleeve is connected to the strip hole so that the guide rail drawer is slidably installed inside the switch housing.

[0008] It also includes an L-shaped core retaining plate. A retaining plate fixing seat is provided near the outer end of the drawer body. The L-shaped core retaining plate and the retaining plate fixing seat are respectively provided with corresponding threaded holes. The guide rail drawer and the switch housing are fixed by hexagon socket head cap screws.

[0009] Furthermore, the length of the switch housing is greater than that of the guide rail drawer, a baffle is provided on the inner side of the switch housing, and the positioning sleeve is provided on the outer side of the switch housing. When the guide rail drawer is fully inserted into the switch housing, the outer end of the strip hole contacts the positioning sleeve.

[0010] Furthermore, the drawer body has a length of 471mm, the strip hole has a length of 326mm, and the drawer slide has a travel of 309mm.

[0011] Preferably, a reinforcing rib is fixedly connected to the inner end of the drawer body, and the reinforcing rib is at the same height as the drawer body.

[0012] Preferably, the width of the end plate at the outer end of the drawer body is greater than the width of the drawer body.

[0013] Preferably, the stop plate fixing seat inside the drawer body is located between the strip hole and the end plate.

[0014] Beneficial effects

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The guide rail drawer design of this utility model makes the installation and disassembly of the soft starter core simpler and faster. Operators can complete the installation and disassembly operations simply by pushing and pulling the guide rail drawer and the soft starter core, without the need for complicated tools and cumbersome steps, greatly saving time and labor costs.

[0017] 2. The precise design of the guide rail drawer and the sliding connection method of this utility model ensure the accurate positioning of the soft starter core within the explosion-proof enclosure, improving the stability of the electrical connection and the accuracy of signal transmission. Simultaneously, it avoids mechanical interference, reduces abnormal vibration and noise during equipment operation, and enhances the reliability of the equipment.

[0018] 3. The guide rail drawer structure of this utility model has a certain degree of versatility and can adapt to the installation requirements of different models and specifications of soft starter cores. When it is necessary to replace different models of cores, there is no need to make major modifications to the explosion-proof enclosure; only the relevant parameters of the guide rail drawer need to be adjusted, thus reducing the upgrade cost and difficulty of the equipment. Attached Figure Description

[0019] Figure 1 This is a side view of the present invention. Figure 1;

[0020] Figure 2 This is a side view of the present invention. Figure 2 ;

[0021] Figure 3 This is a top view of the drawer slide of this utility model;

[0022] Figure 4 This is a side view of the drawer slide of this utility model.

[0023] In the diagram: 1. Soft starter core; 2. Guide rail drawer; 21. Drawer body; 22. Rib plate; 23. Strip hole; 24. Stop plate fixing seat; 25. End plate; 3. Switch housing; 4. Core stop plate; 5. Positioning sleeve. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-4 As shown, the soft starter core mounting guide rail drawer includes a soft starter core 1, a slide groove is provided at the bottom of the soft starter core 1, and a guide rail drawer 2 is slidably connected in the slide groove. The guide rail drawer 2 includes a U-shaped drawer body 21, and a strip hole 23 is provided in the center of the drawer body 21.

[0026] A switch housing 3 is installed inside the explosion-proof enclosure. A positioning sleeve 5 is installed on the switch housing 3. The positioning sleeve 5 is connected to the strip hole 23, so that the guide rail drawer 2 is slidably installed inside the switch housing 3.

[0027] It also includes an L-shaped core retaining plate 4. A retaining plate fixing seat 24 is provided near the outer end of the drawer body 21. The L-shaped core retaining plate 4 and the retaining plate fixing seat 24 are respectively provided with corresponding threaded holes. The guide rail drawer 2 and the switch housing 3 are fixed by hexagon socket head cap screws. The retaining plate fixing seat 24 serves to fix the core 1 to the core retaining plate 4 after the soft start core 1 enters the explosion-proof enclosure.

[0028] The length of the switch housing 3 is greater than that of the guide rail drawer 2. A baffle is provided on the inner side of the switch housing 3. The positioning sleeve 5 is provided on the outer side of the switch housing 3. When the guide rail drawer 2 is fully inserted into the switch housing 3, the outer end of the strip hole 23 contacts the positioning sleeve.

[0029] It should be noted that during use, the switch housing 3 is fixed to the explosion-proof enclosure. The core retaining plate 4 is placed on one side of the soft starter core 1 beforehand. The soft starter core 1 is hoisted into the explosion-proof enclosure by pulling open the guide rail drawer 2. The core is pushed into the external explosion-proof enclosure by the four bearing rollers on the soft starter core 1. The soft starter core 1 is then fixed in the explosion-proof enclosure by the hexagon socket head cap screws and the core retaining plate 4.

[0030] In one embodiment of this utility model, such as Figures 1-4 As shown, the main body of the drawer 21 is composed of a U-shaped plate with a thickness of 3mm, a length of 467mm, a width of 316mm, and a height of 25mm. The length of the centrally located strip hole 23 inside the drawer body 21 is 326mm. The travel of the drawer 2 is 309mm, and the two ends of the strip hole 23 are arc-shaped, which is compatible with the shape of the positioning sleeve 5.

[0031] In one embodiment of this utility model, such as Figures 1-4 As shown, a stiffening plate 22 is fixedly connected to the inner end of the drawer body 21, and the stiffening plate 22 is at the same height as the drawer body 21.

[0032] In one embodiment of this utility model, such as Figures 1-4 As shown, the width of the end plate 25 on the outer side of the drawer body 21 is greater than the width of the drawer body 21, and the width of the end plate 25 is 346mm.

[0033] In one embodiment of this utility model, such as Figures 1-4 As shown, the stop plate fixing seat 24 inside the drawer body 21 is located between the strip hole 23 and the end plate 25.

[0034] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0035] Working principle: The soft starter core 1 is equipped with four bearing rollers on both sides. The operator slides the soft starter core 1 along the slide groove on the guide rail drawer 2 into the explosion-proof enclosure by pushing and pulling the guide rail drawer 2. The drawer can support the weight of the soft starter core 1 without deformation. During the sliding process, the U-shaped drawer body 21, end plate 25 and stiffening plate 22 provide stable support for the soft starter core 1, ensuring that the core will not tilt or shake.

[0036] After the soft starter core 1 is fully pushed into the explosion-proof enclosure, the core retaining plate 4, under the action of the retaining plate fixing seat 24, fixes the soft starter core 1 to prevent it from moving due to vibration or other reasons during equipment operation. Finally, the core retaining plate 4 is further tightened with hex socket head cap screws to ensure that the soft starter core 1 is firmly installed in the explosion-proof enclosure.

[0037] When the soft starter core 1 needs to be repaired or replaced, simply loosen the hex socket head cap screws, and then pull the guide rail drawer 2 to slide the soft starter core 1 outward on the guide rail drawer 2 until it is fully pulled out of the explosion-proof enclosure, so that the repair or replacement operation can be easily carried out.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A guide rail drawer for mounting a soft starter core, comprising a soft starter core (1), characterized in that, The bottom end of the soft start core (1) is provided with a sliding groove, and a guide rail drawer (2) is slidably connected in the sliding groove. The guide rail drawer (2) includes a U-shaped drawer body (21), and a strip hole (23) is provided in the center of the drawer body (21). A switch housing (3) is installed inside the explosion-proof enclosure. A positioning sleeve (5) is installed on the switch housing (3). The positioning sleeve (5) is connected to the strip hole (23) so that the guide rail drawer (2) is slidably installed inside the switch housing (3).

2. The drawer for mounting the soft starter core according to claim 1, characterized in that, It also includes an L-shaped core retaining plate (4), and a retaining plate fixing seat (24) is provided near the outer end of the drawer body (21). The L-shaped core retaining plate (4) and the retaining plate fixing seat (24) are respectively provided with corresponding threaded holes. The guide rail drawer (2) and the switch housing (3) are fixed by internal hexagonal head screws.

3. The drawer for mounting the soft starter core according to claim 1, characterized in that, The length of the switch housing (3) is greater than that of the guide rail drawer (2). A baffle is provided on the inner side of the switch housing (3). The positioning sleeve (5) is provided on the outer side of the switch housing (3). When the guide rail drawer (2) is fully inserted into the switch housing (3), the outer end of the strip hole (23) contacts the positioning sleeve.

4. The drawer for mounting the soft starter core according to claim 3, characterized in that, The drawer body (21) is 471mm long, the strip hole (23) is 326mm long, and the drawer slide (2) has a travel of 309mm.

5. The drawer for mounting the soft starter core according to claim 1, characterized in that, A stiffening plate (22) is fixedly connected to the inner end of the drawer body (21), and the stiffening plate (22) is at the same height as the drawer body (21).

6. The drawer for mounting the soft starter core according to claim 5, characterized in that, The width of the end plate (25) at the outer end of the drawer body (21) is greater than the width of the drawer body (21).

7. The drawer for mounting a soft starter core according to claim 6, characterized in that, The stop plate fixing seat (24) inside the drawer body (21) is located between the strip hole (23) and the end plate (25).

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