Speed reducer for safety ladder winch

Abstract

The invention relates to the technical field of transmission auxiliary devices, in particular to a speed reducer for a safety ladder winch, which comprises a speed reducer main body, a gear transmission box body, a driving motor, a sealing door, a transmission mounting assembly and a transmission auxiliary mechanism, on one hand, the sealing door is installed and fixed through the arranged transmission installation assembly, on the basis that stable connection of the sealing door is guaranteed, follow-up disassembly of the sealing door is also very convenient, maintenance of transmission work of the gear transmission box body is facilitated, and normal operation of the transmission work of the gear transmission box body is guaranteed; on the other hand, a transmission auxiliary mechanism is arranged on the sealing door, namely, a runner pipe, an oil storage barrel and a regulation and control auxiliary assembly are matched for use, the filling work of transmission lubricating oil can be regulated and controlled, waste of the lubricating oil is avoided as much as possible, and the positive benefit influence on the transmission operation work of the speed reducer is achieved; the actual use requirement of transmission of the speed reducer can be better met.

Description

Technical Field

[0001] The invention relates to the technical field of transmission auxiliary devices, in particular to a reducer for a safety ladder winch. Background Art

[0002] The existing patent document with announcement number CN221116792U discloses a dual-speed ratio reducer for a coal mine hoisting winch, which proposes that in the prior art, reducers often operate 24 hours a day in the field of coal mine transportation, and it is often necessary to add lubricating grease to the gears, but the existing equipment needs to remove the entire cover plate of the reducer for filling lubricating oil, which is extremely inconvenient and delays the production progress; its solution includes a reducer body, a gear seat is arranged on one side of the reducer body, a gear is arranged on one side of the gear seat located on the inner ring surface of the reducer body, a connection port is arranged on one side of the reducer body, and the reducer body is close to An air pump is arranged on one side of the connecting port, an air inlet is arranged on the side of the air pump away from the reducer body, a control button is arranged on the side of the air pump close to the air inlet, a fixed seat is arranged on the side of the air pump close to the reducer body, an air outlet is arranged on the side of the air pump away from the air inlet, a vacuum chamber is arranged on the side of the vacuum chamber, an oil filling pipe is arranged on one side of the oil filling port, a pipe sleeve is arranged on one side of the oil filling port, an oil outlet is arranged on the side of the oil filling pipe away from the vacuum chamber, a positioning plate is arranged on the side of the inner ring surface of the reducer body close to the oil outlet, and a positioning seat is arranged on one side of the positioning plate.

[0003] The gear transmission box in the existing winch reducer is generally provided with a corresponding inspection door to facilitate subsequent maintenance work; in the above scheme, a lubricating grease filling structure is provided at the inspection door position to meet its continuous transmission work needs; the lubricating grease is placed in a vacuum chamber inside the gear transmission box, which brings inconvenience to the subsequent lubricating grease replenishment work. It is necessary to disassemble the inspection door first and then replenish it, which is troublesome to operate. Moreover, the lubricating grease filling work is continuous. When the lubricating grease is fully added to the transmission rod gear set, it will continue to be filled, which will cause waste; the transmission device in the existing winch reducer lacks a suitable transmission auxiliary mechanism to meet its work needs and ensure economic benefits.

[0004] To this end, the present invention proposes a speed reducer for a safety ladder winch to solve the above-mentioned problem. Summary of the invention

[0005] The object of the present invention is to provide a speed reducer for a safety ladder winch to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a reducer for a safety ladder winch, comprising a reducer body, a gear transmission box, a drive motor, a sealing door, a transmission installation assembly and a transmission auxiliary mechanism; a gear transmission box is arranged on the reducer body, a drive motor is connected to one side of the gear transmission box, an inspection port is arranged on the top of the gear transmission box, the inspection port is fixedly connected to the sealing door through a transmission installation assembly, and the sealing door is connected to the transmission auxiliary mechanism.

[0007] Preferably, the transmission mounting assembly includes an installation slot, a fixing frame, a bearing block, a connecting slot, a connecting spring, a mounting card, a buckle, an auxiliary circular groove, a threaded hole, a fastening threaded column, a handle, and a rotating auxiliary plate; the installation slots are symmetrically arranged on both sides of the sealing door, the fixing frame is symmetrically fixedly arranged on both sides of the inspection port, and a bearing block is arranged in the fixing frame, a connecting slot is penetrated through the bearing block, and connecting springs are symmetrically fixedly arranged at the upper and lower ends of the bearing block, and the other end of the connecting spring is fixedly arranged on the inner side wall of the fixing frame, the installation card is adapted to be plugged in with the connecting slot, and a buckle is fixedly arranged at one end of the installation card, the auxiliary circular groove is arranged on the upper end surface of the bearing block, the threaded hole is penetrated through the top of the fixing frame, the fastening threaded column is adapted to be threadedly connected with the threaded hole, and a handle is fixedly arranged at one end of the fastening threaded column, and a rotating auxiliary plate is fixedly arranged at an equal distance on the outer side wall of the handle.

[0008] Preferably, the connecting slot in the supporting block body corresponds to the setting position of the installation slot and has the same number of setting groups; a mounting card plate is inserted in one of the supporting block bodies, and the mounting card plate corresponds to the setting position of the installation slot and has the same number of setting groups; and one end of the mounting card plate is adapted to be snap-fitted with the installation slot.

[0009] Preferably, the fastening threaded column and the auxiliary circular groove are arranged at corresponding positions and have the same number of groups, and one end of the fastening threaded column is adapted to be plugged into the auxiliary circular groove.

[0010] Preferably, the transmission auxiliary mechanism includes a circulation pipe, an oil separator box, an oil dripping port, a connecting bottom pipe, an oil storage cylinder, a sealing cover and an auxiliary control component; the circulation pipe is arranged through the sealing door, and the bottom end of the circulation pipe is connected to the oil separator box, the bottom end of the oil separator box is equidistantly provided with oil dripping ports, the circulation pipe and the connecting bottom pipe are connected by a control auxiliary component, the connecting bottom pipe is arranged at the bottom end of the oil storage cylinder, and the oil storage cylinder is provided with a sealing cover.

[0011] Preferably, the control auxiliary component includes a first connecting box body, a second connecting box body, a docking convex edge, a connecting screw, a rotation control motor, a bearing column, a loading groove, a positioning thread groove, a loading side plate, an oil guide edge strip, a mounting hole, a loading through groove, a fitting groove body, a fitting plate, a support column, an auxiliary spring, a movable head, and a spherical auxiliary surface; the first connecting box body is connected and arranged at the top end of the circulation pipe, and the second connecting box body is connected and arranged at the bottom end of the connecting bottom tube, and the second connecting box body and the first connecting box body are symmetrically fixed with docking convex edges on the box mouth sides, and the docking convex edges of the two are connected by connecting screws, and the rotation control motor is arranged at one end of the first connecting box body, and the rotation control motor is connected to the connecting plug shaft, and one end of the connecting plug shaft It is connected to the bearing column, and the outer side wall of the bearing column is equidistantly provided with loading grooves, and the loading grooves are symmetrically provided with positioning thread grooves, the loading side plate is adapted to be placed in the loading groove, and the loading side plate is provided with an oil guide strip, the loading side plate is provided with mounting holes, and the loading side plate is fixed by screws, the oil guide strip is equidistantly provided with loading through grooves, and one end of the loading through grooves extends into the loading side plate, the inner side wall of the loading side plate is provided with a fitting groove body, the fitting groove body is adapted to be clamped with the fitting plate, support columns are equidistantly fixed on the fitting plate, an auxiliary spring is fixedly provided at one end of the support column, the other end of the auxiliary spring is fixedly provided at one end of a movable head, and the end face of the other end of the movable head is provided as a spherical auxiliary face.

[0012] Preferably, the second connection box body and the first connection box body are arranged at corresponding positions and in the same number of groups, and the two are butted together to form an accommodating cavity, and the shape of the accommodating cavity is a cylindrical cavity.

[0013] Preferably, the fitting slot body is arranged in communication with the loading through slot, and the oil guide edge strips are arranged at corresponding positions to the loading slot and have the same number of groups.

[0014] Preferably, the movable head and the support column are arranged in corresponding positions and in the same number of groups, and both the movable head and the support column are placed in the loading slot.

[0015] Preferably, the loading through grooves are configured as cylindrical grooves, and the loading through grooves are arranged in a straight line at equal distances in the oil guide edge strips.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The reducer transmission equipment designed in the present invention, on the one hand, installs and fixes the sealing door through the arranged transmission installation component. On the basis of ensuring its stable connection, it is also very convenient for its subsequent disassembly, which is convenient for maintaining the transmission work of the gear transmission box and ensuring the normal operation of its transmission work; on the other hand, by arranging a transmission auxiliary mechanism on the sealing door, that is, arranging the use of a circulation pipe, an oil storage cylinder and a control auxiliary component, the filling work of the transmission lubricating oil can be regulated to avoid wasting lubricating oil as much as possible, which has a positive effect on the transmission operation of the reducer; the present invention can better meet the actual use needs of the reducer transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure connection of the reducer equipment for the safety ladder winch of the present invention; Figure 2 For the present invention Figure 1 A partial enlarged schematic diagram of the structure connection; Figure 3 It is a top view of the connection structure between the sealing door and the transmission auxiliary mechanism of the present invention; Figure 4 This is a bottom view of the connection structure between the sealing door and the transmission auxiliary mechanism of the present invention; Figure 5 It is a schematic diagram of the structural connection of the transmission installation assembly of the present invention; Figure 6 For the present invention Figure 5 A partial enlarged schematic diagram of the structure connection; Figure 7 It is a top view of the connection structure of the flow pipe, the connecting bottom pipe and the control auxiliary component of the present invention; Figure 8 For the present invention Figure 7 A partial enlarged schematic diagram of the structure connection; Fig. 9 It is a bottom view of the connection structure of the flow pipe, the connecting bottom pipe and the control auxiliary component of the present invention; Fig.10 It is a top view of the local structural connection of the control auxiliary component of the present invention; Fig.11 A bottom view showing the local structural connection of the control auxiliary component of the present invention; Fig.12 For the present invention Fig.11 A partial enlarged schematic diagram of the structural connection.

[0018] In the figure: reducer body 1, gear transmission box 2, drive motor 3, inspection port 4, sealing door 5, transmission installation assembly installation slot 601, fixing frame 602, bearing block 603, connecting slot 604, connecting spring 605, mounting card plate 606, buckle 607, auxiliary circular groove 608, threaded hole 609, fastening threaded column 610, handle 611, rotating auxiliary plate 612, circulation pipe 701, oil distribution box 702, oil dripping port 703, connecting bottom pipe 704, Oil storage cylinder 705, sealing cover 706, first connecting box body 801, second connecting box body 802, docking flange 803, connecting screws 804, rotation control motor 805, load-bearing column 806, loading slot 807, positioning threaded slot 808, loading side plate 809, oil guide side strip 810, mounting hole 811, loading through slot 812, fitting slot body 813, fitting plate 814, support column 815, auxiliary spring 816, movable head 817, spherical auxiliary surface 818. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1-Figure 12 , a reducer for a safety ladder winch, comprising a reducer body 1, a gear transmission box body 2, a driving motor 3, a sealing door 5, a transmission installation assembly and a transmission auxiliary mechanism; a gear transmission box body 2 is arranged on the reducer body 1, a driving motor 3 is connected to one side of the gear transmission box body 2, an inspection port 4 is arranged on the top of the gear transmission box body 2, the inspection port 4 and the sealing door 5 are fixedly connected through a transmission installation assembly, and the sealing door 5 is connected and arranged with the transmission auxiliary mechanism; the reducer transmission equipment designed by the present invention, on the one hand, installs and fixes the sealing door 5 through the transmission installation assembly, and on the basis of ensuring its stable connection, it is also very convenient for its subsequent disassembly, which is convenient for maintaining the transmission work of the gear transmission box body 2 and ensuring the normal operation of its transmission work; on the other hand, by arranging a transmission auxiliary mechanism on the sealing door 5, that is, arranging the circulation pipe 701, the oil storage cylinder 705 and the coordination of the control auxiliary assembly, the filling work of the transmission lubricating oil can be regulated, and the waste of lubricating oil is avoided as much as possible, which has a positive benefit effect on the transmission operation of the reducer.

[0021] Example 2: Based on Example 1, please refer to Figure 2-Figure 6, the transmission installation assembly here includes an installation slot 601, a fixed frame 602, a bearing block 603, a connecting slot 604, a connecting spring 605, an installation card plate 606, a buckle 607, an auxiliary circular groove 608, a threaded hole 609, a fastening threaded column 610, a handle 611, and a rotating auxiliary plate 612; the installation slot 601 is symmetrically arranged on both sides of the sealing door 5, the fixed frame 602 is symmetrically fixedly arranged on both sides of the inspection port 4, and a bearing block 603 is arranged in the fixed frame 602, a connecting slot 604 is arranged through the bearing block 603, and connecting springs 605 are symmetrically fixedly arranged at the upper and lower ends of the bearing block 603, and the other end of the connecting spring 605 is fixedly arranged on the inner side wall of the fixed frame 602, the installation card plate 606 is adapted to be plugged in with the connecting slot 604, and one end of the installation card plate 606 is fixedly provided with a buckle 607, and the auxiliary circular groove 60 8 is arranged on the upper end surface of the bearing block 603, and the threaded hole 609 is penetrated and arranged at the top of the fixed frame 602, the fastening threaded column 610 is threadedly connected with the threaded hole 609, and a handle 611 is fixedly arranged at one end of the fastening threaded column 610, and a rotating auxiliary plate 612 is fixedly arranged at an equal distance on the outer wall of the handle 611; the connecting slot 604 in the bearing block 603 here corresponds to the setting position of the mounting card slot 601 and the setting number is the same; a mounting card plate 606 is plugged in a bearing block 603, and the mounting card plate 606 corresponds to the setting position of the mounting card slot 601 and the setting number is the same; and one end of the mounting card plate 606 is plugged with the mounting card slot 601; the fastening threaded column 610 here corresponds to the setting position of the auxiliary circular groove 608 and the setting number is the same, and one end of the fastening threaded column 610 is plugged with the auxiliary circular groove 608.

[0022] In this embodiment, for the installation and fixing of the sealing door 5, the sealing door 5 is blocked at the position of the inspection port 4, and at the same time, the installation slots 601 on both sides of the sealing door 5 are aligned with the connecting slots 604 in the bearing block 603, and then the installation card plate 606 is inserted from the connecting slot 604 and the end of the installation card plate 606 is stuck in the installation slot 601, and finally the bearing block 603 is squeezed by tightening the threaded column 610, and the tightening threaded column 610 is screwed. In this process, the bearing block 603 is squeezed , so that the installation card plate 606 also has a downward pressing effect on the sealing door 5, ensuring the installation stability of the sealing door 5; for the subsequent disassembly of the sealing door 5, first loosen the fastening threaded column 610, and then pull out the installation card plate 606 through the buckle 607. The operation is simple. Here, a handle 611 is provided at the end of the fastening threaded column 610 and a rotating auxiliary plate 612 is provided on the outer side wall of the handle 611. The function is to facilitate the loosening and tightening of the fastening threaded column 610. It can be achieved without the help of auxiliary tools, and the operation is convenient.

[0023] Example 3: Based on Example 2, please refer to Figure 2-Figure 4 and Figure 7-Figure 12 The transmission auxiliary mechanism here includes a circulation pipe 701, an oil separator box 702, an oil dripping port 703, a connecting bottom pipe 704, an oil storage cylinder 705, a sealing cover 706 and an auxiliary control component; the circulation pipe 701 is arranged throughout the sealing door 5, and the bottom end of the circulation pipe 701 is connected to the oil separator box 702, and the bottom end of the oil separator box 702 is equidistantly provided with oil dripping ports 703, the circulation pipe 701 and the connecting bottom pipe 704 are connected by the auxiliary control component, the connecting bottom pipe 704 is arranged at the bottom end of the oil storage cylinder 705, and the oil storage cylinder 705 is provided with a sealing cover 706.

[0024] The control auxiliary components here include a first connection box body 801, a second connection box body 802, a docking flange 803, a connection screw 804, a rotation control motor 805, a bearing column 806, a loading slot 807, a positioning threaded slot 808, a loading side plate 809, an oil guide side strip 810, a mounting hole 811, a loading through slot 812, a fitting slot body 813, a fitting plate 814, a support column 815, an auxiliary spring 816, a movable head 817, and a spherical auxiliary surface 818; The first connecting box body 801 is connected and arranged at the top end of the circulation pipe 701, and the second connecting box body 802 is connected and arranged at the bottom end of the connecting bottom tube 704. The box opening edges of the second connecting box body 802 and the first connecting box body 801 are symmetrically fixed with docking flanges 803, and the docking flanges 803 of the two are connected by connecting screws 804. The rotation control motor 805 is arranged at one end of the first connecting box body 801, and the rotation control motor 805 is connected to the connecting plug shaft, and one end of the connecting plug shaft is connected to the bearing column 806. The outer wall of the bearing column 806 is equidistantly provided with loading grooves 807, and the loading grooves 807 are symmetrically provided with positioning thread grooves 808. The loading side plate 809 is adapted to be placed in the loading groove 807, and the loading side plate 809 is provided with an oil guide strip 810, and the loading side plate 809 is provided with a mounting hole 811, and the loading side plate 809 is fixed by screws, and the oil guide strip 810 is equidistantly provided with loading through grooves 81 2, and one end of the loading through slot 812 extends into the loading side plate 809, the inner side wall of the loading side plate 809 is provided with a fitting slot body 813, the fitting slot body 813 is adapted and snap-fitted with the fitting plate 814, and the fitting plate 814 is equidistantly fixed with support columns 815, one end of the support column 815 is fixedly provided with an auxiliary spring 816, the other end of the auxiliary spring 816 is fixedly provided at one end of a movable head 817, and the end surface of the other end of the movable head 817 is provided with a spherical auxiliary surface 818.

[0025] When the gear transmission case 2 is filled with lubricating oil, the oil in the oil storage cylinder 705 flows out through the connecting bottom tube 704 and the circulation tube 701, and finally flows out from the oil dripping port 703 at the bottom end of the oil separator 702, and drips onto the gear transmission group; a control auxiliary component is provided at the connection position between the connecting bottom tube 704 and the circulation tube 701, so that the transmission lubricating oil can be intermittently filled, regularly filled or temporarily closed, so as to avoid the waste of lubricating oil caused by continuous filling work as much as possible. A connection box body 801 is set at a corresponding position and the same number of groups, and the two are connected to form a receiving cavity, and the shape of the receiving cavity is a cylindrical cavity; the fitting slot body 813 here is connected and arranged with the loading slot 812, and the oil guide edge strip 810 and the loading slot 807 are set at a corresponding position and the same number of groups; the movable head 817 and the support column 815 are set at a corresponding position and the same number of groups, and both the movable head 817 and the support column 815 are placed in the loading slot 812; the loading slot 81 2 is set as a cylindrical groove, and the loading through groove 812 is arranged in a straight line at equal distances in the oil guide edge strip 810; the oil guide edge strips 810 are arranged at equal distances on the side wall of the bearing column 806, and a transfer space is formed between the adjacent oil guide edge strips 810, that is, the oil flowing from the oil storage cylinder 705 is driven by the rotation control motor 805 to drive the rotation of the bearing column 806, and the oil is transferred to the circulation pipe 701, and finally enters the gear transmission box 2. If the bearing column 806 stops rotating, the oil delivery work can be completed. Stop; the purpose of setting the support column 815, the auxiliary spring 816 and the movable head 817 in the oil guide edge strip 810 is that when the connecting position between the circulation tube 701 and the first connecting box body 801 is full of oil, and the oil dripping port 703 at the bottom end of the oil separator box 702 is slowly draining the oil, the movable head 817 extends outward under the pushing action of the auxiliary spring 816 when passing through the pipe mouth position of the circulation tube 701, and has a pushing effect on the oil at the pipe mouth position of the circulation tube 701, so as to facilitate the oil discharge from the oil dripping port 703.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A speed reducer for a safety ladder winch, characterized in that: The invention comprises a reducer body (1), a gear transmission housing (2), a drive motor (3), a sealing door (5), a transmission installation assembly and a transmission auxiliary mechanism; the reducer body (1) is provided with a gear transmission housing (2), one side of the gear transmission housing (2) is connected to the drive motor (3), the top of the gear transmission housing (2) is provided with an inspection port (4), the inspection port (4) is fixedly connected to the sealing door (5) via the transmission installation assembly, and the sealing door (5) is connected to the transmission auxiliary mechanism.

2. A speed reducer for a safety ladder winch according to claim 1, characterized in that: The transmission installation assembly comprises an installation slot (601), a fixing frame (602), a bearing block (603), a connection slot (604), a connection spring (605), an installation card plate (606), a buckle (607), an auxiliary circular slot (608), a threaded hole (609), a fastening threaded column (610), a handle (611), and a rotating auxiliary plate (612); the installation slot (601) is symmetrically arranged on both sides of the sealing door (5), the fixing frame (602) is symmetrically fixedly arranged on both sides of the inspection opening (4), and a bearing block (603) is arranged in the fixing frame (602), a connection slot (604) is arranged through the bearing block (603), and the upper and lower ends of the bearing block (603) are A connecting spring (605) is symmetrically fixedly arranged, and the other end of the connecting spring (605) is fixedly arranged on the inner wall of the fixing frame (602). The mounting card (606) is adapted to be plugged into the connecting slot (604), and a buckle (607) is fixedly arranged on one end of the mounting card (606). The auxiliary circular groove (608) is arranged on the upper end surface of the bearing block (603), and the threaded hole (609) is penetrated and arranged at the top of the fixing frame (602). The fastening threaded column (610) is adapted to be threadedly connected with the threaded hole (609), and a handle (611) is fixedly arranged on one end of the fastening threaded column (610), and a rotating auxiliary plate (612) is fixedly arranged equidistantly on the outer wall of the handle (611).

3. A speed reducer for a safety ladder winch according to claim 2, characterized in that: The connection slots (604) in the bearing block (603) correspond to the installation slots (601) in position and are arranged in the same number of groups; a mounting card plate (606) is inserted and arranged in one of the bearing blocks (603); the mounting card plate (606) corresponds to the installation slots (601) in position and are arranged in the same number of groups; and one end of the mounting card plate (606) is adapted to be engaged with the installation slot (601).

4. A speed reducer for a safety ladder winch according to claim 2, characterized in that: The fastening threaded column (610) and the auxiliary circular groove (608) are arranged at corresponding positions and have the same number of groups, and one end of the fastening threaded column (610) is adapted to be plugged into the auxiliary circular groove (608).

5. The speed reducer for a safety ladder winch according to claim 1, characterized in that: The transmission auxiliary mechanism comprises a circulation pipe (701), an oil separator box (702), an oil dripping port (703), a connecting bottom pipe (704), an oil storage cylinder (705), a sealing cover (706) and an auxiliary control component; the circulation pipe (701) is arranged through the sealing door (5), and the bottom end of the circulation pipe (701) is connected to the oil separator box (702), the bottom end of the oil separator box (702) is equidistantly provided with oil dripping ports (703), the circulation pipe (701) and the connecting bottom pipe (704) are connected via the auxiliary control component, the connecting bottom pipe (704) is arranged at the bottom end of the oil storage cylinder (705), and the oil storage cylinder (705) is provided with a sealing cover (706).

6. A speed reducer for a safety ladder winch according to claim 5, characterized in that: The control auxiliary component comprises a first connection box body (801), a second connection box body (802), a docking flange (803), a connection screw (804), a rotation control motor (805), a bearing column (806), a loading slot (807), a positioning threaded slot (808), a loading side plate (809), an oil guide side strip (810), a mounting hole (811), a loading through slot (812), a fitting slot body (813), a fitting plate (814), a support column (815), an auxiliary spring (816), a movable head (817), and a spherical auxiliary surface (818); The first connection box body (801) is connected and arranged at the top end of the circulation tube (701), and the second connection box body (802) is connected and arranged at the bottom end of the connection bottom tube (704). The second connection box body (802) and the first connection box body (801) are symmetrically fixedly provided with docking flanges (803) on the box opening sides, and the docking flanges (803) of the two are connected by connecting screws (804). The rotation control motor (805) is arranged at one end of the first connection box body (801), and the rotation control motor (805) is connected to the connecting plug shaft, and the connecting plug shaft One end of the loading plate (809) is connected to the bearing column (806), the outer wall of the bearing column (806) is equidistantly provided with loading grooves (807), the loading grooves (807) are symmetrically provided with positioning thread grooves (808), the loading side plate (809) is adapted to be placed in the loading groove (807), and the loading side plate (809) is provided with an oil guide strip (810), the loading side plate (809) is provided with a mounting hole (811), and the loading side plate (809) is fixed by screws, the oil guide strip (810) is equidistantly provided with loading through grooves (812), and the mounting hole (811) is provided on the loading side plate (809). One end of the through slot (812) extends into the loading side plate (809); an inner side wall of the loading side plate (809) is provided with a fitting slot body (813); the fitting slot body (813) is adapted to be snap-fitted with the fitting plate (814); support columns (815) are fixedly provided at equal intervals on the fitting plate (814); an auxiliary spring (816) is fixedly provided at one end of the support column (815); the other end of the auxiliary spring (816) is fixedly provided at one end of a movable head (817); and the end surface of the other end of the movable head (817) is provided as a spherical auxiliary surface (818).

7. A speed reducer for a safety ladder winch according to claim 6, characterized in that: The second connection box body (802) and the first connection box body (801) are arranged at corresponding positions and have the same number of groups, and the two are butted together to form a receiving cavity, and the shape of the receiving cavity is a cylindrical cavity.

8. A speed reducer for a safety ladder winch according to claim 6, characterized in that: The fitting groove body (813) is arranged in communication with the loading through groove (812), and the oil guide edge strips (810) and the loading groove (807) are arranged at corresponding positions and have the same number of groups.

9. A speed reducer for a safety ladder winch according to claim 6, characterized in that: The movable head (817) and the support column (815) are arranged at corresponding positions and have the same number of groups, and both the movable head (817) and the support column (815) are placed in the loading slot (812).

10. A speed reducer for a safety ladder winch according to claim 6, characterized in that: The loading through grooves (812) are configured as cylindrical grooves, and the loading through grooves (812) are arranged in a straight line at equal distances in the oil guide edge strip (810).

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