Portable electric gate hoist
The portable electric gate opener, which uses a worm gear mechanism and staggered support legs, solves the problems of rotational stability and applicability when there is no power supply, and achieves stable rotation and compatibility with multiple gate models.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHOU YANGWA AGRI & ANIMAL HUSBANDRY MASCH SALES CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-29
AI Technical Summary
Existing portable gate hoists require manual labor when there is no power supply or the power unit is lost, and the outriggers cannot be stably supported on narrow platforms, rendering the device unusable.
The worm gear mechanism drives the connecting bushing and the rotating shaft to rotate. The staggered setting of single leg and right-angle leg improves the rotational stability and applicability. Stable rotation is achieved through the self-locking characteristic of the worm gear mechanism, and the rotating shaft can be replaced to adapt to different gate models.
It improves the rotational stability and versatility of the gate hoist, expands its application range, and enables the device to be used stably on narrower platforms.
Smart Images

Figure CN224299912U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gate opening and closing mechanism technology, and in particular to a portable electric gate opening and closing mechanism. Background Technology
[0002] Existing portable gate hoists are used for gates in rivers where there is no power supply or the power unit has been lost, or for some pipeline gates. Rotating the crank or turntable on the gate hoist to drive the rotating parts of the gate is labor-intensive. Furthermore, the foldable legs at the bottom of the device are single-point supports, which means that when some smaller gate hoists are fixed to narrow concrete beams, the support at the end furthest from the gate cannot support the platform, making the device unable to stand upright. This device utilizes a motor and worm gear to drive a connecting shaft sleeve equipped with a worm wheel, allowing the connecting shaft sleeve and rotating shaft to stably drive the rotating parts of the gate. By incorporating a set of right-angle legs, the extended bent portion of the right-angle legs increases the contact range between the legs and the platform, thus providing support along the platform edge and improving the device's practicality. Utility Model Content
[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a portable electric gate opening and closing machine. By using a worm gear mechanism to drive the connecting bushing and the rotating shaft to rotate, the rotating shaft can drive the rotating parts of the gate to rotate. The self-locking characteristic of the worm gear mechanism improves the stability of the rotating shaft. At the same time, the rotating shaft can be replaced so that different specifications of rotating shafts can be adapted to different models of gates, increasing the versatility of the device. Furthermore, two types of support legs, a single leg and a right-angle leg, are provided at the bottom of the fixed frame. The staggered arrangement of the single leg and the right-angle leg makes it easy to fold and retract. The extended part of the right-angle leg is bent so that the end of the extended part is flush with the side of the single leg, allowing the device to be placed on a narrow platform, thus improving the applicability of the device.
[0004] This utility model also provides a portable electric gate opening and closing machine as described above, including: a fixed frame, a motor fixedly connected to the upper surface of the fixed frame, a worm fixedly connected to the output end of the motor, a worm wheel meshing with the side surface of the worm, a connecting bushing fixedly connected to the inner side of the worm wheel, and a rotating shaft slidably connected to the inner side wall of the connecting bushing.
[0005] Two connecting blocks are fixedly connected to the lower surface of the fixed frame. Rotating legs are rotatably connected to the inner side walls of both connecting blocks. A single leg is slidably connected to the inner side wall of one rotating leg, and a right-angle leg is slidably connected to the inner side wall of the other rotating leg. Fixed blocks are threadedly connected to the inner side walls of both the single leg and the right-angle leg. Through these components, a worm gear mechanism drives the connecting bushing and the rotating shaft to rotate, improving the stability of the rotating shaft during rotation. Both single-leg and right-angle legs are provided at the bottom of the fixed frame. The extended bent portion of the right-angle leg increases the contact range between the leg and the platform, allowing the device to be placed on narrower platforms.
[0006] According to the portable electric gate opener of this utility model, a protective shell is fixedly connected to the upper surface of the fixed frame, and the side surface of the protective shell is in contact with the motor. The protective shell protects and supports components such as the connecting bushing, worm gear, and worm.
[0007] According to the portable electric gate opener / closer of this utility model, the end of the worm gear away from the motor is rotatably connected to the protective shell, and the side surface of the worm wheel is rotatably connected to the protective shell. This allows the worm gear to drive the worm wheel to rotate within the protective shell.
[0008] According to the portable electric gate opener of this utility model, a locking block is fixedly connected to the inner side wall of the connecting bushing, and the side surface of the locking block is slidably connected to the rotating shaft. The locking block can be used to connect the connecting bushing and the rotating shaft together, so that the connecting bushing can drive the rotating shaft to rotate after rotation.
[0009] According to the portable electric gate opener of this utility model, the side surface of the connecting bushing is rotatably connected to the protective shell, and a support plate is fixedly connected to the upper surface of the protective shell. The support plate can be used to protect the protective shell from above.
[0010] According to the portable electric gate opener of this utility model, the side surface of the support plate is fixedly connected to the fixed frame, and a handle is fixedly connected to the side surface of the support plate. The handle on the support plate can be gripped to move the device.
[0011] According to the portable electric gate opener of this utility model, a protective sleeve is fixedly connected to the side surface of the handle, and the end of the fixing block near the rotating support foot is fixedly connected to the rotating support foot during operation. This provides comfort for the user to hold the handle.
[0012] According to the portable electric gate opener of this utility model, a spring is fixedly connected to the side surface of the rotating support leg, and the end of the spring away from the rotating support leg is rotatably connected to the connecting block. The spring can be used to keep the rotating support leg in a folded or open state.
[0013] Beneficial effects:
[0014] Compared with existing technologies, this method uses a worm gear mechanism to drive the connecting bushing and the rotating shaft to rotate, enabling the rotating shaft to drive the rotating parts of the gate. The self-locking characteristic of the worm gear mechanism improves the stability of the rotating shaft's rotation. Furthermore, the rotating shaft can be replaced, allowing different specifications to be adapted to different gate models, increasing the device's versatility. Additionally, the bottom of the fixed frame features both single-leg and right-angle legs, which are staggered for easy folding and retraction. The extended section of the right-angle leg is bent so that its end is flush with the side of the single leg, allowing the device to be placed on narrower platforms and expanding its applicability. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1 This is a front view of the overall structure of the portable electric gate opener / closer of this utility model;
[0017] Figure 2 This is a rear view of the overall structure of the portable electric gate opener / closer of this utility model;
[0018] Figure 3 This is a side view of the portable electric gate opening and closing mechanism of this utility model;
[0019] Figure 4 This is a diagram showing the folding structure of the rotating support legs of the portable electric gate opener of this utility model;
[0020] Figure 5 This is a diagram showing the internal structure of the protective shell of the portable electric gate opener / closer of this utility model.
[0021] Figure 6 This is a structural diagram of the connecting shaft sleeve of the portable electric gate opener / closer of this utility model.
[0022] Legend:
[0023] 1. Fixed frame; 2. Protective shell; 3. Connecting bushing; 4. Rotating shaft; 5. Motor; 6. Support plate; 7. Handle; 8. Protective sleeve; 9. Connecting block; 10. Rotating foot; 11. Fixed block; 12. Single leg; 13. Spring; 14. Right-angle leg; 15. Worm gear; 16. Worm; 17. Locking block. Detailed Implementation
[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0025] Reference Figures 1-6 The portable electric gate opening and closing machine of this utility model includes: a fixed frame 1, a motor 5 fixedly connected to the upper surface of the fixed frame 1, a worm gear 16 fixedly connected to the output end of the motor 5, a worm wheel 15 meshing with the side surface of the worm gear 16, a connecting bushing 3 fixedly connected to the inner side surface of the worm wheel 15, a side surface of the connecting bushing 3 rotatably connected to the protective shell 2, and a rotating shaft 4 slidably connected to the inner side wall of the connecting bushing 3.
[0026] Specifically, before use, align the slot on the rotating shaft 4 with the locking block 17 on the connecting sleeve 3 and insert it into the connecting sleeve 3. Then connect the rotating shaft 4 to the rotating part of the gate. After that, start the motor 5. The motor 5 drives the worm wheel 15 in the protective shell 2 to rotate through the worm 16. The worm wheel 15 then drives the rotating shaft 4 to rotate through the connecting sleeve 3, which in turn drives the rotating part on the gate to rotate, thereby realizing the opening and closing of the gate. The rotating shaft 4 can be replaced so that different specifications of the rotating shaft 4 can be adapted to different models of gates, increasing the versatility of the device.
[0027] Two connecting blocks 9 are fixedly connected to the lower surface of the fixed frame 1. Rotating legs 10 are rotatably connected to the inner side walls of both connecting blocks 9. A single leg 12 is slidably connected to the inner side wall of one rotating leg 10, and a right-angle leg 14 is slidably connected to the inner side wall of the other rotating leg 10. Fixed blocks 11 are threadedly connected to the inner side walls of both the single leg 12 and the right-angle leg 14.
[0028] Specifically, two connecting blocks 9 are provided below the fixed frame 1. Each connecting block 9 has a rotating support leg 10. The rotating support leg 10 near the rotating shaft 4 has a single leg 12, and the other rotating support leg 10 has a right-angle leg 14. When the device is placed on a wider platform, both the single leg 12 and the right-angle leg 14 can contact the platform and provide support. When the device is placed on a narrower platform and the device cannot be fully placed on the platform, the single leg 12 will support the platform, while the curved extension of the right-angle leg 14 will support the edge of the platform. This design avoids the situation where the single leg 12, which is far from the rotating shaft 4, cannot be supported on the platform when using a single leg 12, thus preventing the device from being placed. Furthermore, the extended end of the right-angle leg 14 is aligned with the side of the single leg 12 closest to the inside of the device, making the device more suitable for support on narrower gate platforms. Both the single leg 12 and the right-angle leg 14 can slide and extend along the rotating foot 10. After extension, the fixing block 11 can be rotated to make the fixing block 11 fit tightly against the rotating foot 10, thereby fixing the position of the single leg 12 and the right-angle leg 14.
[0029] A protective shell 2 is fixedly connected to the upper surface of the fixed frame 1. The side surface of the protective shell 2 is in contact with the motor 5. The end of the worm gear 16 away from the motor 5 is rotatably connected to the protective shell 2. The side surface of the worm wheel 15 is rotatably connected to the protective shell 2. A locking block 17 is fixedly connected to the inner side wall of the connecting bushing 3. The side surface of the locking block 17 is slidably connected to the rotating shaft 4.
[0030] Specifically, the worm gear 15, connecting bushing 3, and worm 16 are all located inside the protective shell 2. The protective shell 2 provides support and protection for the worm gear 15, connecting bushing 3, and worm 16. The connecting bushing 3 is provided with a locking block 17, which can restrict the position of the rotating shaft 4 installed in the connecting bushing 3, and the connecting bushing 3 can drive the rotating shaft 4 to rotate through the locking block 17.
[0031] A support plate 6 is fixedly connected to the upper surface of the protective shell 2. The side surface of the support plate 6 is fixedly connected to the fixed frame 1. A handle 7 is fixedly connected to the side surface of the support plate 6. A protective sleeve 8 is fixedly connected to the side surface of the handle 7. The end of the fixed block 11 near the rotating foot 10 is fixedly connected to the rotating foot 10 during operation. A spring 13 is fixedly connected to the side surface of the rotating foot 10. The end of the spring 13 away from the rotating foot 10 is rotatably connected to the connecting block 9.
[0032] Specifically, a support plate 6 is provided above the protective shell 2. A handle 7 and a protective cover 8 are provided on the support plate 6. The protective cover 8 is placed on the outer layer of the handle 7 to improve the user's comfort when holding the handle 7. The device can be moved by holding the handle 7. A spring 13 is provided between the connecting block 9 and the rotating leg 10. The connection point between the spring 13 and the connecting block 9 is not on the same straight line as the rotation center of the rotating leg 10. When the rotating leg 10 is opened, the distance between the connection point of the spring 13 on the rotating leg 10 and the connection point between the spring 13 and the connecting block 9 will increase, thereby stretching the spring 13 to hinder the rotation of the rotating leg 10 until the rotating leg 10 is fully opened. Then, the distance between the connection point of the spring 13 on the rotating leg 10 and the connection point on the connecting block 9 will shorten again to eliminate the elastic force of the spring 13, thereby realizing the use of the spring 13 to maintain the closed or open state of the rotating leg 10.
[0033] Working principle: Before use, align the slot on the rotating shaft 4 with the locking block 17 on the connecting sleeve 3 and insert it into the connecting sleeve 3. Then, spread out the rotating support leg 10 and stretch the single leg 12 and right-angle support leg 14 as needed. Then, connect the rotating shaft 4 to the rotating part of the gate, start the motor 5, and drive the connecting sleeve 3 and rotating shaft 4 to rotate through the worm gear 16 and worm wheel 15. This will drive the rotating part on the gate to rotate, thereby realizing the opening and closing of the gate. During use, some smaller gates are fixed on narrow cement beams, making it impossible for the original support point of the right-angle support leg 14 to support the platform. However, the bent extension of the right-angle support leg 14 will support the edge of the platform, so that the right-angle support leg 14 and the single leg 12 can still provide support for the device.
[0034] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A portable electric gate opener / closer, characterized in that, include: A fixed frame (1) is provided, and a motor (5) is fixedly connected to the upper surface of the fixed frame (1). A worm (16) is fixedly connected to the output end of the motor (5). A worm wheel (15) is meshed on the side surface of the worm (16). A connecting bushing (3) is fixedly connected to the inner side of the worm wheel (15). A rotating shaft (4) is slidably connected to the inner side wall of the connecting bushing (3). The lower surface of the fixed frame (1) is fixedly connected to two connecting blocks (9). The inner side walls of the two connecting blocks (9) are rotatably connected to rotating legs (10). The inner side wall of one rotating leg (10) is slidably connected to a single leg (12), and the inner side wall of the other rotating leg (10) is slidably connected to a right-angle leg (14). The inner side walls of the single leg (12) and the right-angle leg (14) are threadedly connected to a fixing block (11).
2. The portable electric gate opener / closer according to claim 1, characterized in that, A protective shell (2) is fixedly connected to the upper surface of the fixed frame (1), and the side surface of the protective shell (2) is in contact with the motor (5).
3. The portable electric gate opener / closer according to claim 1, characterized in that, The end of the worm (16) away from the motor (5) is rotatably connected to the protective shell (2), and the side surface of the worm wheel (15) is rotatably connected to the protective shell (2).
4. The portable electric gate opener / closer according to claim 1, characterized in that, The inner side wall of the connecting bushing (3) is fixedly connected to a locking block (17), and the side surface of the locking block (17) is slidably connected to the rotating shaft (4).
5. The portable electric gate opener / closer according to claim 1, characterized in that, The side surface of the connecting bushing (3) is rotatably connected to the protective shell (2), and the upper surface of the protective shell (2) is fixedly connected to the support plate (6).
6. The portable electric gate opener / closer according to claim 5, characterized in that, The side surface of the support plate (6) is fixedly connected to the fixed frame (1), and a handle (7) is fixedly connected to the side surface of the support plate (6).
7. The portable electric gate opener / closer according to claim 6, characterized in that, A protective sleeve (8) is fixedly connected to the side surface of the grip (7), and the end of the fixing block (11) near the rotating foot (10) is fixedly connected to the rotating foot (10) during operation.
8. The portable electric gate opener / closer according to claim 1, characterized in that, A spring (13) is fixedly connected to the side surface of the rotating support (10), and the end of the spring (13) away from the rotating support (10) is rotatably connected to the connecting block (9).