Anti-falling structure and resistance box with same

Abstract

The invention discloses an anti-falling structure and a resistance box with the anti-falling structure, and relates to the technical field of rail transit equipment, the anti-falling structure comprises an anti-falling support, the anti-falling support is of an L-shaped plate structure, and the anti-falling support comprises an anti-falling support vertical plate and an anti-falling support insertion plate; the bolt connecting mechanism is matched and connected with one end of the anti-falling bracket; the invention discloses an anti-falling fixing cavity. Specific structures are combined, so that the reliability of the mounting structure is improved by utilizing a simple mechanical structure on the premise of ensuring the cost and simplifying the mounting process, and the influence on the running order of a vehicle set due to the loosening fault of the resistance box is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of rail transit equipment, and in particular to an anti-slip structure and a resistor box having the anti-slip structure. Background Art

[0002] With the development of society, rail vehicles have gradually become one of the main means of transportation for people. Therefore, the design technology of rail vehicles has been continuously innovated and developed, and higher requirements have been placed on safety.

[0003] Existing EMU external components, such as resistor boxes, generally adopt a single-stage anti-loosening structure, which has the following defects: the bolt anti-loosening parts are prone to metal fatigue under long-term vibration; the material deformation caused by extreme temperature differences may destroy the single locking structure.

[0004] Therefore, in order to meet actual needs, an anti-drop structure of a resistor box used on a rail vehicle is provided. Summary of the Invention

[0005] In response to the defects in the prior art, the purpose of this application is to provide an anti-slip structure and a resistor box with the anti-slip structure, which are combined using a specific structure, thereby using a simple mechanical structure to improve the reliability of the installation structure while ensuring costs and simplifying the installation process, thereby avoiding the loosening failure of the resistor box and affecting the operation order of the train set.

[0006] In order to achieve the above objectives, the technical solution adopted by this application is:

[0007] In a first aspect, the present application provides an anti-slip structure, the anti-slip structure comprising:

[0008] The anti-slip bracket is an L-shaped plate structure, and the anti-slip bracket includes an anti-slip bracket upright plate and an anti-slip bracket plug plate;

[0009] a bolt connection mechanism coupled to one end of the anti-drop bracket;

[0010] Anti-slip fixed cavity; wherein,

[0011] The top end of the anti-drop bracket vertical plate is matched with the bolt connection mechanism;

[0012] The bottom end of the anti-drop bracket upright plate is connected to one end of the anti-drop bracket plug plate, and the two form an L-shaped structure;

[0013] The anti-slip fixed cavity includes a fixed cavity top plate, a fixed cavity side plate and a fixed cavity bottom plate;

[0014] One side of the fixed cavity top plate and the fixed cavity bottom plate are connected to the top and bottom ends of the fixed cavity side plate respectively, and the fixed cavity top plate and the fixed cavity bottom plate are located on the same side of the fixed cavity side plate;

[0015] The fixed cavity top plate and the fixed cavity bottom plate are spaced apart, and the fixed cavity top plate, the fixed cavity side plates and the fixed cavity bottom plate form an anti-slip fixed cavity;

[0016] The thickness and length of the anti-slip bracket inserting plate match the size of the anti-slip fixing cavity.

[0017] On the basis of the above technical solution, the top of the anti-drop bracket vertical plate is provided with a bracket vertical plate bolt hole;

[0018] The bolt connection mechanism includes a bolt, a flat washer, a spring washer and a nut.

[0019] On the basis of the above technical solution, the free end of the bolt is provided with a bolt hole;

[0020] A cotter pin is inserted into the bolt hole.

[0021] On the basis of the above technical solution, the anti-drop bracket vertical plate includes:

[0022] First vertical board;

[0023] A second vertical plate arranged in an interlaced and parallel manner with the first vertical plate;

[0024] a connecting curved plate, one end of which is connected to the top end of the first vertical plate, and the other end of which is connected to the bottom end of the second vertical plate;

[0025] The second vertical plate and the anti-drop bracket insert plate are located on the same side of the first vertical plate;

[0026] The bottom end of the first vertical plate is connected to one end of the anti-drop bracket plug plate, and the two form an L-shaped structure;

[0027] The top end of the second vertical plate is matched with the bolt connection mechanism.

[0028] In a second aspect, the present application provides a resistance box with an anti-dropout structure, the resistance box with the anti-dropout structure comprising:

[0029] resistance box;

[0030] A plurality of anti-slip bolt structures symmetrically arranged on the bottom surface of the resistance box;

[0031] A plurality of anti-dropout brackets symmetrically arranged on the side wall of the resistor box, wherein the anti-dropout bracket is an L-shaped plate structure, and the anti-dropout bracket includes an anti-dropout bracket upright plate and an anti-dropout bracket plug plate;

[0032] An anti-slip fixing cavity provided on the surface of a vehicle body;

[0033] One end of the anti-drop bracket is connected to the side wall of the resistor box through a bolt connection mechanism; wherein,

[0034] The top end of the anti-drop bracket vertical plate is matched with the bolt connection mechanism;

[0035] The bottom end of the anti-drop bracket upright plate is connected to one end of the anti-drop bracket plug plate, and the two form an L-shaped structure;

[0036] The anti-slip fixed cavity includes a fixed cavity top plate, a fixed cavity side plate and a fixed cavity bottom plate;

[0037] One side of the fixed cavity top plate and the fixed cavity bottom plate are connected to the top and bottom ends of the fixed cavity side plate respectively, and the fixed cavity top plate and the fixed cavity bottom plate are located on the same side of the fixed cavity side plate;

[0038] The fixed cavity top plate and the fixed cavity bottom plate are spaced apart, and the fixed cavity top plate, the fixed cavity side plates and the fixed cavity bottom plate form an anti-slip fixed cavity;

[0039] The thickness and length of the anti-drop bracket insert plate match the size of the anti-drop fixing cavity;

[0040] The anti-drop bracket plug plate is parallel to the bottom surface of the resistance box.

[0041] On the basis of the above technical solution, the top of the anti-drop bracket vertical plate is provided with a bracket vertical plate bolt hole;

[0042] The bolt connection mechanism includes a bolt, a flat washer, a spring washer and a nut.

[0043] On the basis of the above technical solution, the free end of the bolt is provided with a bolt hole;

[0044] A cotter pin is inserted into the bolt hole.

[0045] On the basis of the above technical solution, the anti-drop bracket vertical plate includes:

[0046] First vertical board;

[0047] A second vertical plate arranged in an interlaced and parallel manner with the first vertical plate;

[0048] a connecting curved plate, one end of which is connected to the top end of the first vertical plate, and the other end of which is connected to the bottom end of the second vertical plate;

[0049] The second vertical plate and the anti-drop bracket insert plate are located on the same side of the first vertical plate;

[0050] The bottom end of the first vertical plate is connected to one end of the anti-drop bracket plug plate, and the two form an L-shaped structure;

[0051] The top end of the second vertical plate is connected to the bolt connection mechanism;

[0052] The second vertical plate is closely attached to the side wall of the resistance box.

[0053] Compared with the prior art, the advantages of this application are:

[0054] This application utilizes a specific structure for combination, thereby utilizing a simple mechanical structure to improve the reliability of the installation structure while ensuring costs and simplifying the installation process, thereby avoiding the loosening failure of the resistor box and affecting the operation order of the train set. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0056] Figure 1 This is a schematic structural diagram of the anti-slip structure of an embodiment of the present application;

[0057] Figure 2 This is a schematic structural diagram of an anti-slip bracket in an anti-slip structure according to an embodiment of the present application;

[0058] Figure 3 This is a schematic structural diagram of a bolt connection mechanism in an anti-slip structure according to an embodiment of the present application;

[0059] Figure 4 Schematic diagram of the structure of the anti-slip fixing cavity in the anti-slip structure of an embodiment of the present application;

[0060] Figure 5 This is a schematic structural diagram of a resistance box with the anti-drop structure according to an embodiment of the present application;

[0061] Figure 6 This is a schematic diagram of the assembly structure of a resistance box with the anti-drop structure according to an embodiment of the present application;

[0062] In the picture:

[0063] 1. Anti-slip bracket; 10. Anti-slip bracket vertical plate; 100. First vertical plate; 101. Second vertical plate; 102. Connecting curved plate; 103. Bolt hole of bracket vertical plate; 11. Anti-slip bracket plug plate; 2. Bolt connection mechanism; 20. Bolt; 200. Bolt hole; 201. Cotter pin; 21. Flat washer; 22. Spring washer; 23. Nut; 3. Anti-slip fixing cavity; 30. Fixing cavity top plate; 31. Fixing cavity side plate; 32. Fixing cavity bottom plate; 4. Resistor box; 5. Anti-slip bolt structure; A. Anti-slip fixing cavity; B. Resistor box side plate. DETAILED DESCRIPTION

[0064] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0065] The embodiments of the present application are further described in detail below with reference to the accompanying drawings.

[0066] The embodiment of the present application provides an anti-slip structure and a resistor box having the anti-slip structure, which are combined using a specific structure, thereby using a simple mechanical structure to improve the reliability of the installation structure while ensuring costs and simplifying the installation process, thereby avoiding the loosening failure of the resistor box and affecting the operation order of the train set.

[0067] To achieve the above technical effects, the overall idea of this application is as follows:

[0068] An anti-slip structure, comprising:

[0069] The anti-drop bracket 1 is an L-shaped plate structure, comprising an anti-drop bracket upright plate 10 and an anti-drop bracket insert plate 11;

[0070] a bolt connection mechanism 2 connected to one end of the anti-drop bracket 1;

[0071] Anti-slip fixed cavity 3; wherein,

[0072] The top end of the anti-drop bracket upright plate 10 is coupled to the bolt connection mechanism 2;

[0073] The bottom end of the anti-drop bracket upright plate 10 is connected to one end of the anti-drop bracket insert plate 11, and the two form an L-shaped structure;

[0074] The anti-dropout fixing cavity 3 includes a fixing cavity top plate 30, a fixing cavity side plate 31 and a fixing cavity bottom plate 32;

[0075] One side of the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are connected to the top and bottom ends of the fixed cavity side plate 31 respectively, and the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are located on the same side of the fixed cavity side plate 31;

[0076] The fixed cavity top plate 30 and the fixed cavity bottom plate 32 are spaced apart, and the fixed cavity top plate 30, the fixed cavity side plates 31 and the fixed cavity bottom plate 32 form an anti-slip fixed cavity A;

[0077] The thickness and length of the anti-dropout bracket inserting plate 11 match the size of the anti-dropout fixing cavity A.

[0078] The embodiments of the present application are further described in detail below with reference to the accompanying drawings.

[0079] First, see Figures 1 to 4 As shown, an embodiment of the present application provides an anti-slip structure, which includes:

[0080] The anti-drop bracket 1 is an L-shaped plate structure, and the anti-drop bracket 1 includes an anti-drop bracket upright plate 10 and an anti-drop bracket plug plate 11;

[0081] a bolt connection mechanism 2 connected to one end of the anti-drop bracket 1;

[0082] Anti-slip fixed cavity 3; wherein,

[0083] The top end of the anti-drop bracket upright plate 10 is coupled to the bolt connection mechanism 2;

[0084] The bottom end of the anti-drop bracket upright plate 10 is connected to one end of the anti-drop bracket insert plate 11, and the two form an L-shaped structure;

[0085] The anti-dropout fixing cavity 3 includes a fixing cavity top plate 30, a fixing cavity side plate 31 and a fixing cavity bottom plate 32;

[0086] One side of the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are connected to the top and bottom ends of the fixed cavity side plate 31 respectively, and the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are located on the same side of the fixed cavity side plate 31;

[0087] The fixed cavity top plate 30 and the fixed cavity bottom plate 32 are spaced apart, and the fixed cavity top plate 30, the fixed cavity side plates 31 and the fixed cavity bottom plate 32 form an anti-slip fixed cavity A;

[0088] The thickness and length of the anti-dropout bracket inserting plate 11 match the size of the anti-dropout fixing cavity A.

[0089] It should be noted that, in order to conveniently demonstrate how to use the anti-slip structure of the present application, as shown in the accompanying drawings of the specification, Figure 1 As shown, the resistance box side panel B is introduced for auxiliary illustration.

[0090] In the embodiment of the present application, a specific structure is used for combination, thereby utilizing a simple mechanical structure to improve the reliability of the installation structure while ensuring costs and simplifying the installation process, thereby avoiding the loosening failure of the resistor box and affecting the operating order of the train set.

[0091] Furthermore, a bracket plate bolt hole 103 is provided at the top of the anti-drop bracket plate 10;

[0092] The bolt connection mechanism 2 includes a bolt 20 , a flat washer 21 ), a spring washer 22 , and a nut 23 .

[0093] Furthermore, the free end of the bolt 20 is provided with a bolt hole 200;

[0094] A split pin 201 is inserted into the bolt hole 200;

[0095] The cotter pin 201 can prevent the device from falling off.

[0096] Furthermore, the anti-drop bracket upright plate 10 includes:

[0097] First vertical plate 100;

[0098] A second vertical plate 101 arranged to be staggered and parallel to the first vertical plate 100;

[0099] A connecting curved plate 102 , one end of which is connected to the top of the first vertical plate 100 , and the other end of which is connected to the bottom of the second vertical plate 101 ;

[0100] The second vertical plate 101 and the anti-drop bracket inserting plate 11 are located on the same side of the first vertical plate 100;

[0101] The bottom end of the first vertical plate 100 is connected to one end of the anti-drop bracket inserting plate 11, and the two form an L-shaped structure;

[0102] The top end of the second vertical plate 101 is connected to the bolt connection mechanism 2 .

[0103] It should be noted that, in actual production, the first vertical plate 100, the second vertical plate 101 and the connecting curved plate 102 are integrally formed, specifically by bending stainless steel plates;

[0104] Its working principle is that one end is inserted into the hole of the vehicle body, that is, the anti-slip fixing cavity 3, and the other end is connected to the resistance box by bolt connection.

[0105] It should be noted that the advantages of the technical solution of the embodiment of the present application are:

[0106] 1. Double protection mechanism: A secondary protection system with independent triggering conditions is added on the basis of the traditional anti-loosening structure.

[0107] 2. Reasonable layout and installation: The installation is simple and does not change the overall environment. On the basis of the existing structure, the installation position of the protective equipment is reasonably arranged to ensure that it can be quickly activated in an emergency.

[0108] 3. Convenience: Ensure that equipment maintenance and replacement are quick and easy to maintain its effectiveness.

[0109] Second, see Figures 5-6 As shown, an embodiment of the present application provides a resistance box with an anti-drop structure, and the resistance box with an anti-drop structure includes:

[0110] Resistance box 4;

[0111] A plurality of anti-slip bolt structures 5 are symmetrically arranged on the bottom surface of the resistance box 4;

[0112] A plurality of anti-dropout brackets 1 symmetrically arranged on the side wall of the resistor box 4, wherein the anti-dropout bracket 1 is an L-shaped plate structure, and the anti-dropout bracket 1 includes an anti-dropout bracket upright plate 10 and an anti-dropout bracket plug plate 11;

[0113] An anti-slip fixing cavity 3 is provided on the surface of the vehicle body;

[0114] One end of the anti-drop bracket 1 is connected to the side wall of the resistance box 4 through a bolt connection mechanism 2; wherein,

[0115] The top end of the anti-drop bracket upright plate 10 is coupled to the bolt connection mechanism 2;

[0116] The bottom end of the anti-drop bracket upright plate 10 is connected to one end of the anti-drop bracket insert plate 11, and the two form an L-shaped structure;

[0117] The anti-dropout fixing cavity 3 includes a fixing cavity top plate 30, a fixing cavity side plate 31 and a fixing cavity bottom plate 32;

[0118] One side of the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are connected to the top and bottom ends of the fixed cavity side plate 31 respectively, and the fixed cavity top plate 30 and the fixed cavity bottom plate 32 are located on the same side of the fixed cavity side plate 31;

[0119] The fixed cavity top plate 30 and the fixed cavity bottom plate 32 are spaced apart, and the fixed cavity top plate 30, the fixed cavity side plates 31 and the fixed cavity bottom plate 32 form an anti-slip fixed cavity A;

[0120] The thickness and length of the anti-drop bracket inserting plate 11 match the size of the anti-drop fixing cavity A;

[0121] The anti-drop bracket inserting plate 11 is parallel to the bottom surface of the resistance box 4 .

[0122] In the embodiment of the present application, a specific structure is used for combination, thereby utilizing a simple mechanical structure to improve the reliability of the installation structure while ensuring costs and simplifying the installation process, thereby avoiding the loosening failure of the resistor box and affecting the operating order of the train set.

[0123] Furthermore, a bracket plate bolt hole 103 is provided at the top of the anti-drop bracket plate 10;

[0124] The bolt connection mechanism 2 includes a bolt 20 , a flat washer 21 ), a spring washer 22 , and a nut 23 .

[0125] Furthermore, the free end of the bolt 20 is provided with a bolt hole 200;

[0126] A cotter pin 201 is inserted into the bolt hole 200 .

[0127] Furthermore, the anti-drop bracket upright plate 10 includes:

[0128] First vertical plate 100;

[0129] A second vertical plate 101 arranged to be staggered and parallel to the first vertical plate 100;

[0130] A connecting curved plate 102 , one end of which is connected to the top of the first vertical plate 100 , and the other end of which is connected to the bottom of the second vertical plate 101 ;

[0131] The second vertical plate 101 and the anti-drop bracket inserting plate 11 are located on the same side of the first vertical plate 100;

[0132] The bottom end of the first vertical plate 100 is connected to one end of the anti-drop bracket inserting plate 11, and the two form an L-shaped structure;

[0133] The top end of the second vertical plate 101 is connected to the bolt connection mechanism 2;

[0134] The second vertical plate 101 is in close contact with the side wall of the resistance box 4 .

[0135] It should be noted that, in actual production, the first vertical plate 100, the second vertical plate 101 and the connecting curved plate 102 are integrally formed, specifically by bending stainless steel plates;

[0136] Its working principle is that one end is inserted into the hole of the vehicle body, that is, the anti-slip fixing cavity 3, and the other end is connected to the resistance box by bolt connection.

[0137] It should be noted that the advantages of the technical solution of the embodiment of the present application are:

[0138] 1. Double protection mechanism: A secondary protection system with independent triggering conditions is added on the basis of the traditional anti-loosening structure.

[0139] 2. Reasonable layout and installation: The installation is simple and does not change the overall environment. On the basis of the existing structure, the installation position of the protective equipment is reasonably arranged to ensure that it can be quickly activated in an emergency.

[0140] 3. Convenience: Ensure that equipment maintenance and replacement are quick and easy to maintain its effectiveness.

[0141] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0142] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0143] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. An anti-slip structure, characterized in that: The anti-fall-off structure comprises: An anti-slip bracket (1), wherein the anti-slip bracket (1) is an L-shaped plate structure, and the anti-slip bracket (1) comprises an anti-slip bracket upright plate (10) and an anti-slip bracket insert plate (11); a bolt connection mechanism (2) coupled to one end of the anti-drop bracket (1); Anti-slip fixing cavity (3); wherein, The top end of the anti-drop bracket upright plate (10) is matched with the bolt connection mechanism (2); The bottom end of the anti-detachment bracket upright plate (10) is connected to one end of the anti-detachment bracket insert plate (11), and the two form an L-shaped structure; The anti-slip fixed cavity (3) comprises a fixed cavity top plate (30), a fixed cavity side plate (31) and a fixed cavity bottom plate (32); One side of the fixed cavity top plate (30) and the fixed cavity bottom plate (32) are respectively connected to the top and bottom ends of the fixed cavity side plate (31), and the fixed cavity top plate (30) and the fixed cavity bottom plate (32) are located on the same side of the fixed cavity side plate (31); The fixed cavity top plate (30) and the fixed cavity bottom plate (32) are spaced apart, and the fixed cavity top plate (30), the fixed cavity side plate (31) and the fixed cavity bottom plate (32) form an anti-slip fixed cavity (A); The thickness and length of the anti-slip bracket inserting plate (11) match the size of the anti-slip fixing cavity (A).

2. The anti-slip structure according to claim 1, wherein: The top end of the anti-drop bracket upright plate (10) is provided with a bracket upright plate bolt hole (103); The bolt connection mechanism (2) comprises a bolt (20), a flat washer (21), a spring washer (22) and a nut (23).

3. The anti-slip structure according to claim 2, wherein: The free end of the bolt (20) is provided with a bolt hole (200); A cotter pin (201) is inserted into the bolt hole (200).

4. The anti-slip structure according to claim 1, wherein: The anti-drop bracket upright plate (10) comprises: a first vertical plate (100); a second vertical plate (101) arranged to be staggered and parallel to the first vertical plate (100); a connecting curved plate (102), one end of the connecting curved plate (102) being connected to the top end of the first vertical plate (100), and the other end of the connecting curved plate (102) being connected to the bottom end of the second vertical plate (101); The second vertical plate (101) and the anti-drop bracket insert plate (11) are located on the same side of the first vertical plate (100); The bottom end of the first vertical plate (100) is connected to one end of the anti-drop bracket inserting plate (11), and the two form an L-shaped structure; The top end of the second vertical plate (101) is matched with the bolt connection mechanism (2).

5. A resistance box with an anti-drop structure, characterized in that: The resistance box with an anti-drop structure includes: resistance box (4); A plurality of anti-slip bolt structures (5) symmetrically arranged on the bottom surface of the resistance box (4); A plurality of anti-slip brackets (1) symmetrically arranged on the side wall of the resistance box (4), wherein the anti-slip brackets (1) are L-shaped plate structures, and the anti-slip brackets (1) include anti-slip bracket upright plates (10) and anti-slip bracket insert plates (11); An anti-slip fixing cavity (3) provided on the surface of a vehicle body; One end of the anti-drop bracket (1) is connected to the side wall of the resistance box (4) via a bolt connection mechanism (2); wherein, The top end of the anti-drop bracket upright plate (10) is matched with the bolt connection mechanism (2); The bottom end of the anti-detachment bracket upright plate (10) is connected to one end of the anti-detachment bracket insert plate (11), and the two form an L-shaped structure; The anti-slip fixed cavity (3) comprises a fixed cavity top plate (30), a fixed cavity side plate (31) and a fixed cavity bottom plate (32); One side of the fixed cavity top plate (30) and the fixed cavity bottom plate (32) are respectively connected to the top and bottom ends of the fixed cavity side plate (31), and the fixed cavity top plate (30) and the fixed cavity bottom plate (32) are located on the same side of the fixed cavity side plate (31); The fixed cavity top plate (30) and the fixed cavity bottom plate (32) are spaced apart, and the fixed cavity top plate (30), the fixed cavity side plate (31) and the fixed cavity bottom plate (32) form an anti-slip fixed cavity (A); The thickness and length of the anti-detachment bracket inserting plate (11) match the size of the anti-detachment fixing cavity (A); The anti-drop bracket inserting plate (11) is parallel to the bottom surface of the resistance box (4).

6. The resistance box with an anti-drop structure according to claim 5, characterized in that: The top end of the anti-drop bracket upright plate (10) is provided with a bracket upright plate bolt hole (103); The bolt connection mechanism (2) comprises a bolt (20), a flat washer (21), a spring washer (22) and a nut (23).

7. The resistance box with an anti-drop structure according to claim 6, characterized in that: The free end of the bolt (20) is provided with a bolt hole (200); A cotter pin (201) is inserted into the bolt hole (200).

8. The resistance box with an anti-drop structure according to claim 5, characterized in that: The anti-drop bracket upright plate (10) comprises: a first vertical plate (100); a second vertical plate (101) arranged to be staggered and parallel to the first vertical plate (100); a connecting curved plate (102), one end of the connecting curved plate (102) being connected to the top end of the first vertical plate (100), and the other end of the connecting curved plate (102) being connected to the bottom end of the second vertical plate (101); The second vertical plate (101) and the anti-drop bracket insert plate (11) are located on the same side of the first vertical plate (100); The bottom end of the first vertical plate (100) is connected to one end of the anti-drop bracket inserting plate (11), and the two form an L-shaped structure; The top end of the second vertical plate (101) is matched with the bolt connection mechanism (2); The second vertical plate (101) is in close contact with the side wall of the resistance box (4).

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