Detachable pay-off rack for subway electromechanical construction

Abstract

The utility model relates to a detachable pay-off rack for subway electromechanical construction. The detachable pay-off rack comprises a supporting plate; the first supporting structure is detachably arranged on the edge of one side of one surface of the supporting plate; the second supporting structure is detachably arranged on the edge of the other side of one surface of the supporting plate and is opposite to the first supporting structure; the winding rod is detachably and rotatably supported at the ends, away from the supporting plate, of the first supporting structure and the second supporting structure; the first positioning structures are detachably arranged at the two ends of the supporting plate and connected with the first supporting structure and the second supporting structure correspondingly, and the first supporting structure and the second supporting structure are locked on the supporting plate; and the second positioning structures are arranged on the first supporting structure and the second supporting structure correspondingly, and the winding rod is locked on the first supporting structure and the second supporting structure. The whole structure is a detachable structure, so that the whole mounting and dismounting are more convenient and faster, and the maintenance and replacement are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of subway construction, in particular to a detachable pay-off frame used for subway electromechanical construction. Background Art

[0002] The subway is a fast, high-capacity, electric-powered rail transit built in the city. The train runs on a fully enclosed line. The lines in the central urban area are basically located in underground tunnels, and the lines outside the central urban area are generally located on viaducts or on the ground. Electromechanical construction is an important project in subway construction. It is an important process for the installation and commissioning of machinery and equipment and electrical lines. In the actual electromechanical construction process, the installation and laying of electrical lines is particularly important, which is the prerequisite for the installation and commissioning of other equipment. With the rapid development of the application end, the types of wires and cables used in electrical lines are becoming more and more refined, the construction is becoming more and more complicated, and the construction quality requirements are getting higher and higher. After processing and production, wires and cables are usually loaded on transport reels for winding and transport to the construction site. Due to the limitations of construction site conditions, the cable reels are usually erected with a horizontal axis for passive wire laying.

[0003] The existing pay-off frames for subway construction are generally large in size, and cannot be disassembled and retracted to save space when not in use, resulting in a waste of space resources during subway construction. Utility Model Content

[0004] The utility model aims to solve at least one technical problem in the background technology and provide a detachable pay-off frame for metro electromechanical construction.

[0005] To achieve the above object, the utility model provides a detachable pay-off frame for subway electromechanical construction, comprising:

[0006] Support plate;

[0007] A first supporting structure, detachably disposed on a side edge of a surface of the supporting plate;

[0008] A second supporting structure is detachably disposed on the other side edge of the one surface of the supporting plate and is disposed opposite to the first supporting structure;

[0009] A winding rod, detachably and rotatably supported on ends of the first supporting structure and the second supporting structure away from the supporting plate;

[0010] A first positioning structure is detachably disposed at both ends of the support plate, and is respectively connected to the first support structure and the second support structure to lock the first support structure and the second support structure onto the support plate;

[0011] The second positioning structure is respectively arranged on the first supporting structure and the second supporting structure, and locks the winding rod on the first supporting structure and the second supporting structure.

[0012] According to one aspect of the utility model, two opposite first mounting grooves are provided on one surface of the support plate, and second mounting grooves are respectively provided on two opposite end surfaces of the support plate;

[0013] Each of the second mounting grooves is respectively connected to one of the first mounting grooves;

[0014] The first supporting structure and the second supporting structure are respectively installed in one of the first installing grooves;

[0015] The first positioning structure is connected to the first supporting structure and the second supporting structure respectively through the second mounting groove.

[0016] According to one aspect of the utility model, the first supporting structure and the second supporting structure each include: a positioning end, a limiting end and a mounting end;

[0017] The positioning end is correspondingly connected to the first mounting groove, and the positioning end is provided with a positioning groove connected to the first positioning structure;

[0018] The limiting end is connected to the positioning end, is located above the first installation slot, and has a length longer than that of the first installation slot;

[0019] The mounting end is connected to the limiting end, the winding rod is arranged at the end of the mounting end, and the second positioning structure is arranged on the mounting end.

[0020] According to one aspect of the utility model, the mounting end comprises: a supporting portion and a buckling portion;

[0021] A first groove is provided in the middle of the support portion, and second grooves are provided on both sides of the first groove;

[0022] A third groove corresponding to the first groove is provided in the middle of the buckling portion, and protrusions corresponding to the second groove are provided on both sides of the third groove;

[0023] The winding rod is supported in the first groove and the third groove respectively.

[0024] According to one aspect of the utility model, a fourth groove is provided on the side wall of the support portion, and the second positioning structure is installed in the fourth groove and passes through the fourth groove to be connected with the protrusion.

[0025] According to one aspect of the utility model, the first positioning structure includes: a first limiting plate, a first limiting inclined block, a first limiting column and a handle;

[0026] The first limiting inclined block is arranged on one side of the first limiting plate, passes through the second mounting groove and is connected to the positioning groove;

[0027] The first limiting column is arranged at two ends of the other side of the first limiting plate, and is provided with a first return spring with one end abutting against the first limiting plate and a limit block limiting the other end of the first return spring;

[0028] The handle is arranged on the first limiting plate between the two first limiting columns.

[0029] According to one aspect of the utility model, the second positioning structure includes: a second limiting plate, a second limiting inclined block, a second limiting column and a fixing plate;

[0030] The second limiting inclined block is arranged on one side of the second limiting plate, passes through the fourth groove and is connected with the groove arranged on the protrusion;

[0031] The second limiting column is arranged on the other side of the second limiting plate, and is provided with a second return spring with one end abutting against the second limiting plate;

[0032] The fixing plate is fixed in the fourth groove and is provided with a through hole. One end of the second limiting column passes through the through hole, and the other end of the second return spring abuts against the fixing plate.

[0033] According to one aspect of the utility model, the winding rod comprises: a rod body and a limiting ring;

[0034] The limiting rings are arranged at the two end positions of the rod body;

[0035] A plurality of balls are arranged in a circumferential direction on one side of the limiting ring facing the mounting end.

[0036] According to one aspect of the utility model, it also includes: a movable pulley arranged on the other surface of the support plate.

[0037] According to one solution of the utility model, a detachable pay-off frame for subway electromechanical construction includes: a support plate; a first support structure, detachably arranged on one side edge of a surface of the support plate; a second support structure, detachably arranged on the other side edge of a surface of the support plate, arranged opposite to the first support structure; a reeling rod, detachably and rotatably supported on the ends of the first support structure and the second support structure away from the support plate; a first positioning structure, detachably arranged at both ends of the support plate, respectively connected to the first support structure and the second support structure, locking the first support structure and the second support structure on the support plate; a second positioning structure, respectively arranged on the first support structure and the second support structure, locking the reeling rod on the first support structure and the second support structure. In this way, the first positioning structure and the second positioning structure can be used to limit and position the first support structure, the second support structure and the reeling rod to ensure the stability of the installation. At the same time, in the utility model, each component is detachably arranged, so each part of the entire device is easy to replace and install, and can effectively save space when not in use.

[0038] According to one solution of the utility model, two opposite first mounting grooves are provided on one surface of the support plate, and second mounting grooves are provided on two opposite end surfaces of the support plate; each second mounting groove is connected to one of the first mounting grooves; the first support structure and the second support structure are respectively installed in one of the first mounting grooves; the first positioning structure is respectively connected to the first support structure and the second support structure through the second mounting groove. With such a configuration, the first support structure and the second support structure can be installed through the first mounting groove. After installation, the first positioning structure connects and positions the first support structure and the second support structure inserted into the first mounting groove through the second mounting groove of the side wall, ensuring that the first support structure and the second support structure are stably installed in the first mounting groove without movement, displacement or falling out of the first mounting groove.

[0039] According to one solution of the utility model, the first support structure and the second support structure both include: a positioning end, a limiting end and a mounting end; the positioning end is connected to the first mounting groove, and a positioning groove connected to the first positioning structure is provided on the positioning end; the limiting end is connected to the positioning end, located above the first mounting groove, and its length is longer than the length of the first mounting groove; the mounting end is connected to the limiting end, the winding rod is arranged at the end of the mounting end, and the second positioning structure is arranged on the mounting end. In this way, after the positioning end is inserted into the first mounting groove, it is connected to the first positioning structure through the positioning groove, so as to be locked in the first mounting groove. The setting of the limiting end can make it more stably supported on the support plate, and the limiting end is provided with a threaded hole, and the limiting end can be more stably and reliably supported on the support plate by screwing with the support plate. Further, after the winding rod is installed on the mounting end, it can be locked by the second positioning structure, so that the winding rod is stable when winding the cable, and will not shake or fall off.

[0040] According to one solution of the utility model, the mounting end includes: a support part and a buckle part; a first groove is provided in the middle of the support part, and second grooves are provided on both sides of the first groove; a third groove corresponding to the first groove is provided in the middle of the buckle part, and protrusions corresponding to the second groove are provided on both sides of the third groove; the winding rod is supported in the first groove and the third groove respectively. Such a configuration can achieve stable insertion of the support part and the buckle part through the matching connection of the second groove and the protrusion, ensure stable limitation in the horizontal direction, no displacement and offset, and ensure reliable positioning. The winding rod is arranged in the middle space composed of the first groove and the third groove, which can ensure the stability of the position of the winding rod and ensure stability and reliability when winding the cable without offset and shaking.

[0041] According to a scheme of the utility model, the first positioning structure includes: a first limiting plate, a first limiting oblique block, a first limiting column and a handle; the first limiting oblique block is arranged on one side of the first limiting plate, and is connected to the positioning groove through the second installation groove; the first limiting column is arranged at the two ends of the other side of the first limiting plate, and is provided with a first return spring with one end abutting against the first limiting plate and a limiting block limiting the other end of the first return spring; the handle is arranged on the first limiting plate between the two first limiting columns. In this way, in a natural state, the first limiting oblique block can be inserted into the positioning groove to lock the first support structure and the second support structure, and when the first support structure and the second support structure need to be installed or removed, the first limiting plate can be driven to move in a direction away from the support plate by pulling the handle, and the first limiting plate squeezes the first return spring. When the first limiting plate moves outward, the first limiting plate drives the first limiting oblique block to move away from the positioning groove or make way for the installation space, so that the first support structure and the second support structure can be smoothly removed or installed. After installing or disassembling the first supporting structure and the second supporting structure, the handle is released, and the first limit plate and the first limit bevel block can be restored to their original positions by the action of the first return spring, thereby achieving, for example, locking the first supporting structure and the second supporting structure.

[0042] According to one solution of the utility model, the second positioning structure comprises: a second limiting plate, a second limiting inclined block, a second limiting column and a fixed plate; the second limiting inclined block is arranged on one side of the second limiting plate, passes through the fourth groove and is connected with the groove arranged on the protrusion; the second limiting column is arranged on the other side of the second limiting plate, and is provided with a second return spring with one end abutting against the second limiting plate; the fixed plate is fixed in the fourth groove, and is provided with a through hole, one end of the second limiting column passes through the through hole, and the other end of the second return spring abuts against the fixed plate. In this way, one end of the second limiting column can enter the bottom position of the groove of the fourth groove after passing through the through hole on the fixed plate, wherein the second limiting plate is supported at the bottom of the groove of the fourth groove, the second return spring is supported between the second limiting plate and the fixed plate, and the second limiting inclined block is supported on the other side of the second limiting plate, passes through the bottom of the groove of the fourth groove, and is correspondingly plugged into the groove arranged on the side wall of the protrusion, so as to lock the support part and the buckle part, so as to realize the positioning and locking of the winding rod. During use, pull the hand-held block provided on the other end of the second limit column to make the second limit plate move in the opposite direction of the bottom of the groove away from the fourth groove, so that the second limit bevel block is away from the position of the protrusion to achieve installation or disassembly. After the operation, release the hand-held block, and the second limit plate and the second limit bevel block are restored to their original positions through the action of the second return spring to achieve a locking effect, for example.

[0043] According to one solution of the utility model, the winding rod comprises: a rod body and a limiting ring; the limiting ring is arranged at the two end positions of the rod body; and a plurality of balls are arranged in a circumferential direction on one side of the limiting ring facing the mounting end. With such an arrangement, the limiting ring can be used to limit the horizontal position of the winding rod, ensuring that the winding rod will not move and the position is stable. At the same time, the balls arranged on the limiting ring can realize the rotation between the limiting ring and the side wall of the mounting end, realizing the free rotation of the winding rod, and facilitating the winding of the cable.

[0044] According to the scheme of the utility model, the overall structure of the utility model is a detachable structure, which makes the overall installation and disassembly more convenient and quick, and more convenient for maintenance and replacement. It can also effectively save storage space when not in use, avoiding waste of space during subway construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 A three-dimensional diagram schematically showing a detachable pay-off frame for metro electromechanical construction according to an embodiment of the utility model;

[0046] Figure 2 A schematic diagram showing a structural arrangement of a first supporting structure and a second supporting structure according to an embodiment of the present utility model;

[0047] Figure 3 A schematic diagram showing a structural arrangement of a first positioning structure according to an embodiment of the present utility model;

[0048] Figure 4 The structural arrangement diagram of the winding rod according to one embodiment of the utility model is schematically shown. DETAILED DESCRIPTION

[0049] The present invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only intended to enable those skilled in the art to better understand and implement the present invention, rather than to imply any limitation on the scope of the present invention.

[0050] As used herein, the term “including” and variations thereof are to be interpreted as open-ended terms meaning “including, but not limited to.” The term “based on” is to be interpreted as “based, at least in part, on.” The terms “one embodiment” and “an embodiment” are to be interpreted as “at least one embodiment.”

[0051] Figure 1 The following is a schematic diagram of a detachable pay-off frame for metro electromechanical construction according to an embodiment of the present invention. Figure 1 As shown, in this embodiment, the detachable pay-off frame used for subway electromechanical construction includes:

[0052] Support plate 1;

[0053] A first supporting structure 2 is detachably arranged on an edge of one side (left side in the figure) of a surface (upper surface) of the supporting plate 1;

[0054] The second supporting structure 3 is detachably arranged on the edge of the other side (right side in the figure) of one surface (upper surface) of the supporting plate 1, and is arranged opposite to the first supporting structure 2;

[0055] A winding rod 4 is detachably and rotatably supported at ends of the first supporting structure 2 and the second supporting structure 3 away from the supporting plate 1;

[0056] The first positioning structure 5 is detachably disposed at both ends of the support plate 1, and is respectively connected to the first support structure 2 and the second support structure 3, so as to lock the first support structure 2 and the second support structure 3 on the support plate 1;

[0057] The second positioning structure 6 is respectively arranged on the first supporting structure 2 and the second supporting structure 3, and locks the winding rod 4 on the first supporting structure 2 and the second supporting structure 3. In this way, the first supporting structure 2, the second supporting structure 3 and the winding rod 4 can be limited and positioned by the first positioning structure 5 and the second positioning structure 6 to ensure the stability of the installation. At the same time, in the utility model, each component is detachable, so each part of the whole device is easy to replace and install, and can effectively save space when not in use.

[0058] Furthermore, if Figure 1 As shown, in this embodiment, two opposite first mounting grooves (not shown in the figure) are provided on one surface of the support plate 1, and second mounting grooves 7 are respectively provided on two opposite end surfaces of the support plate 1;

[0059] Each second mounting groove 7 is respectively connected to one of the first mounting grooves;

[0060] The first supporting structure 2 and the second supporting structure 3 are respectively installed in one of the first installation grooves;

[0061] The first positioning structure 5 is connected to the first supporting structure 2 and the second supporting structure 3 respectively through the second mounting groove 7. With such arrangement, the first supporting structure 2 and the second supporting structure 3 can be installed through the first mounting groove. After installation, the first positioning structure 5 connects and positions the first supporting structure 2 and the second supporting structure 3 inserted into the first mounting groove through the second mounting groove 7 of the side wall, ensuring that the first supporting structure 2 and the second supporting structure 3 are stably installed in the first mounting groove without movement, displacement or falling out of the first mounting groove.

[0062] Further, Figure 2The structural arrangement diagram of the first supporting structure and the second supporting structure according to an embodiment of the utility model is schematically shown. Figure 2 As shown, in this embodiment, the first supporting structure 2 and the second supporting structure 3 both include: a positioning end 8, a limiting end 9 and a mounting end 10;

[0063] The positioning end 8 is connected to the first installation groove correspondingly, and a positioning groove 11 connected to the first positioning structure 5 is provided on the positioning end 8;

[0064] The limiting end 9 is connected to the positioning end 8, is located above the first installation groove, and has a length longer than that of the first installation groove;

[0065] The mounting end 10 is connected to the limiting end 9, the winding rod 4 is arranged at the end of the mounting end 10, and the second positioning structure 6 is arranged on the mounting end 10. With such an arrangement, after the positioning end 8 is inserted into the first mounting groove, it can be connected to the first positioning structure 5 through the positioning groove 11, so as to be locked in the first mounting groove. The arrangement of the limiting end 9 can make it more stably supported on the support plate 1. As shown in the figure, a threaded hole is provided on the limiting end 9, and the limiting end 9 can be more stably and securely supported on the support plate 1 by being screwed with the support plate 1. Furthermore, after the winding rod 4 is installed on the mounting end 1, it can be locked by the second positioning structure 6, so that the winding rod 4 is stable when winding the cable, and will not shake or fall off.

[0066] Furthermore, if Figure 2 As shown, in this embodiment, the mounting end 10 includes: a supporting portion 12 and a buckling portion 13;

[0067] A first groove 14 is provided in the middle of the support portion 12, and second grooves 15 are provided on both sides of the first groove 14;

[0068] A third groove 16 corresponding to the first groove 14 is provided in the middle of the buckle portion 13, and protrusions 17 corresponding to the second groove 15 are provided on both sides of the third groove 16;

[0069] The winding rod 4 is supported in the first groove 14 and the third groove 16. In this way, the second groove 15 and the protrusion 17 can be used to achieve stable insertion of the support portion 12 and the buckle portion 13, ensuring stable positioning in the horizontal direction without displacement and offset, and ensuring reliable positioning. The winding rod 4 is arranged in the middle space formed by the first groove 14 and the third groove 16, which can ensure the stability of the position of the winding rod 4 and ensure stability and reliability when winding the cable without offset and shaking.

[0070] Furthermore, if Figure 2As shown, in this embodiment, a fourth groove 18 is provided on the side wall of the support portion 12, and the second positioning structure 6 is installed in the fourth groove 18 and passes through the fourth groove 18 to connect with the protrusion 17. In this way, the second positioning structure 6 can be used to lock the support portion 12 and the buckling portion 13 from the side of the mounting end 10, thereby fixing the support position and support state of the winding rod 4.

[0071] Further, Figure 3 The structural arrangement diagram of the first positioning structure according to an embodiment of the utility model is schematically shown. Figure 1 and Figure 3 As shown, in this embodiment, the first positioning structure 5 includes: a first limiting plate 19, a first limiting inclined block 20, a first limiting column 21 and a handle 22;

[0072] The first limiting inclined block 20 is arranged on one side of the first limiting plate 19, passes through the second mounting groove 7 and is connected to the positioning groove 11;

[0073] The first limiting column 21 is arranged at the two ends of the other side of the first limiting plate 19, and is provided with a first return spring 23 with one end abutting against the first limiting plate 19 and a limit block limiting the other end of the first return spring 23;

[0074] The handle 22 is arranged on the first limit plate 19 between the two first limit columns 21. With such arrangement, in a natural state, the first limit bevel block 20 can be inserted into the positioning groove 11 to lock the first support structure 2 and the second support structure 3. When the first support structure 2 and the second support structure 3 need to be installed or removed, the first limit plate 19 can be driven to move in a direction away from the support plate 1 by pulling the handle 22, and the first limit plate 19 squeezes the first return spring 23. When the first limit plate 19 moves outward, the first limit plate 19 drives the first limit bevel block 20 to move away from the positioning groove 11 or to make way for the installation space, so that the first support structure 2 and the second support structure 3 can be removed or installed smoothly. After the first support structure 2 and the second support structure 3 are installed or removed, the handle 22 is released, and the first limit plate 19 and the first limit bevel block 20 can be restored to their original positions by the action of the first return spring 23, thereby achieving, for example, locking the first support structure 2 and the second support structure 3.

[0075] Furthermore, if Figure 2 As shown, in this embodiment, the second positioning structure 6 includes: a second limiting plate 24, a second limiting inclined block 25, a second limiting column 26 and a fixing plate 27;

[0076] The second limiting inclined block 25 is disposed on one side of the second limiting plate 24 and passes through the fourth groove 18 to be connected with the groove disposed on the protrusion 17;

[0077] The second limiting column 26 is disposed on the other side of the second limiting plate 24, and a second return spring 33 is disposed on the second limiting column 26 at one end thereof abutting against the second limiting plate 24;

[0078] The fixing plate 27 is fixed in the fourth groove 18, and is provided with a through hole, through which one end of the second limiting column 26 passes, and the other end of the second return spring 33 abuts the fixing plate 27. In this way, one end of the second limiting column 26 can enter the bottom position of the fourth groove 18 after passing through the through hole on the fixing plate 27, wherein the second limiting plate 24 is supported at the bottom of the fourth groove 18, the second return spring 33 is supported between the second limiting plate 24 and the fixing plate 27, and the second limiting inclined block 25 is supported on the other side of the second limiting plate 24, passes through the bottom of the fourth groove 18, and is correspondingly plugged into the groove provided on the side wall of the protrusion 17, so as to lock the support portion 12 and the buckle portion 13, thereby realizing the positioning and locking of the winding rod 4. During use, the hand-held block 32 provided on the other end of the second limiting column 26 is pulled to make the second limiting plate 24 move in the opposite direction toward the bottom of the groove away from the fourth groove 18, so that the second limiting bevel block 25 is away from the position of the protrusion 17 to achieve installation or disassembly. After the operation, the hand-held block 32 is released, and the second limiting plate 24 and the second limiting bevel block 25 are restored to their original positions through the action of the second return spring 33, thereby achieving a locking effect, for example.

[0079] Further, Figure 4 The structural arrangement diagram of the winding rod according to one embodiment of the utility model is schematically shown. Figure 4 As shown, in this embodiment, the winding rod 4 includes: a rod body 28 and a limiting ring 29;

[0080] The limiting rings 29 are arranged at the two end positions of the rod body 28;

[0081] A plurality of balls 30 are arranged in a circumferential direction on one side of the limiting ring 29 facing the mounting end 10. In this way, the limiting ring 29 can be used to limit the horizontal position of the winding rod 4, so that the winding rod 4 will not move and the position is stable. At the same time, the balls 30 arranged on the limiting ring 29 can realize the rotation between the limiting ring 29 and the side wall of the mounting end 10, so that the winding rod 4 can rotate freely, which is convenient for winding the cable.

[0082] Furthermore, if Figure 1 As shown, in this embodiment, the utility model further comprises: a movable pulley 31 arranged on another surface of the support plate 1. Any movement can be achieved by the movable pulley, which facilitates the transfer operation.

[0083] According to the above scheme of the utility model, the overall structure of the utility model is a detachable structure, which makes the overall installation and disassembly more convenient and quick, and more convenient for maintenance and replacement. It can also effectively save storage space when not in use, avoiding waste of space during subway construction.

[0084] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A detachable pay-off frame for metro electromechanical construction, characterized in that: include: Support plate (1); A first supporting structure (2) is detachably arranged on a side edge of a surface of the supporting plate (1); A second supporting structure (3) is detachably arranged on the other side edge of the one surface of the supporting plate (1) and is arranged opposite to the first supporting structure (2); A rolling rod (4) is detachably and rotatably supported on ends of the first supporting structure (2) and the second supporting structure (3) away from the supporting plate (1); A first positioning structure (5) is detachably arranged at both ends of the support plate (1), and is respectively connected to the first support structure (2) and the second support structure (3), so as to lock the first support structure (2) and the second support structure (3) on the support plate (1); The second positioning structure (6) is respectively arranged on the first supporting structure (2) and the second supporting structure (3), and locks the winding rod (4) on the first supporting structure (2) and the second supporting structure (3).

2. The detachable pay-off frame for metro electromechanical construction according to claim 1 is characterized in that: Two opposite first mounting grooves are provided on one surface of the support plate (1), and second mounting grooves (7) are respectively provided on two opposite end surfaces of the support plate (1); Each of the second installation grooves (7) is respectively connected to one of the first installation grooves; The first supporting structure (2) and the second supporting structure (3) are respectively installed in one of the first installation grooves; The first positioning structure (5) is respectively connected to the first supporting structure (2) and the second supporting structure (3) via the second mounting groove (7).

3. The detachable pay-off frame for metro electromechanical construction according to claim 2 is characterized in that: The first supporting structure (2) and the second supporting structure (3) both comprise: a positioning end (8), a limiting end (9) and a mounting end (10); The positioning end (8) is correspondingly connected to the first installation groove, and the positioning end (8) is provided with a positioning groove (11) connected to the first positioning structure (5); The limiting end (9) is connected to the positioning end (8), is located above the first installation groove, and has a length longer than that of the first installation groove; The mounting end (10) is connected to the limiting end (9), the winding rod (4) is arranged at the end of the mounting end (10), and the second positioning structure (6) is arranged on the mounting end (10).

4. The detachable pay-off stand for metro electromechanical construction according to claim 3 is characterized in that: The mounting end (10) comprises: a supporting portion (12) and a buckling portion (13); A first groove (14) is provided in the middle of the support portion (12), and second grooves (15) are provided on both sides of the first groove (14); A third groove (16) corresponding to the first groove (14) is provided in the middle of the buckling portion (13), and protrusions (17) correspondingly connected to the second groove (15) are provided on both sides of the third groove (16); The winding rod (4) is supported in the first groove (14) and the third groove (16) respectively.

5. The detachable pay-off stand for metro electromechanical construction according to claim 4 is characterized in that: A fourth groove (18) is provided on the side wall of the support portion (12), and the second positioning structure (6) is installed in the fourth groove (18) and passes through the fourth groove (18) to be connected to the protrusion (17).

6. The detachable pay-off stand for metro electromechanical construction according to claim 3 is characterized in that: The first positioning structure (5) comprises: a first limiting plate (19), a first limiting inclined block (20), a first limiting column (21) and a handle (22); The first limiting inclined block (20) is arranged on one side of the first limiting plate (19), passes through the second mounting groove (7) and is connected to the positioning groove (11); The first limiting column (21) is arranged at the two end portions of the other side of the first limiting plate (19), and is provided with a first return spring (23) having one end abutting against the first limiting plate (19) and a limit block limiting the other end of the first return spring (23); The handle (22) is arranged on the first limiting plate (19) between the two first limiting columns (21).

7. The detachable pay-off stand for metro electromechanical construction according to claim 5 is characterized in that: The second positioning structure (6) comprises: a second limiting plate (24), a second limiting inclined block (25), a second limiting column (26) and a fixing plate (27); The second limiting inclined block (25) is arranged on one side of the second limiting plate (24), passes through the fourth groove (18) and is connected to the groove arranged on the protrusion (17); The second limiting column (26) is arranged on the other side of the second limiting plate (24), and is provided with a second return spring (33) with one end abutting against the second limiting plate (24); The fixing plate (27) is fixed in the fourth groove (18) and is provided with a through hole, one end of the second limiting column (26) passes through the through hole, and the other end of the second return spring (33) abuts against the fixing plate (27).

8. The detachable pay-off stand for metro electromechanical construction according to claim 3 is characterized in that: The reeling rod (4) comprises: a rod body (28) and a limiting ring (29); The limiting ring (29) is arranged at the two end positions of the rod body (28); A plurality of balls (30) are arranged in a circumferential direction on one side of the limiting ring (29) facing the mounting end (10).

9. The detachable pay-off stand for metro electromechanical construction according to any one of claims 1 to 8, characterized in that: Also includes: A movable pulley (31) is arranged on the other surface of the support plate (1).

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