Double-speed gear box for square slide ram gantry

By simplifying the transmission system structure and adopting a direct meshing design between the drive gear and the transmission gear, the problem of the complex structure of the traditional square slide gantry dual-speed gearbox is solved, thereby improving transmission efficiency and saving energy.

CN224497336UActive Publication Date: 2026-07-14QINGDAO PANDE KAIRUI EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO PANDE KAIRUI EQUIP MFG CO LTD
Filing Date
2025-10-20
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The traditional square slide gantry's dual-speed gearbox structure is complex, increasing the difficulty of design and manufacturing, raising equipment costs and weight, and causing low efficiency of the transmission system due to gear friction and meshing losses.

Method used

The design adopts a direct meshing design of drive gear and transmission gear, eliminating the intermediate shaft gear. Dual speed adjustment is achieved through drive motor and control cylinder, simplifying the transmission system structure and reducing the number of gears and friction loss.

Benefits of technology

It simplifies the transmission system structure, reduces design and manufacturing difficulty, improves transmission efficiency, reduces energy consumption, and saves energy.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224497336U_ABST
    Figure CN224497336U_ABST
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Abstract

The utility model provides a kind of double-speed gear box for square slide ram gantry, it is related to numerical control technical field, to solve the problem of traditional square slide ram gantry double-speed gear box, the structure of transmission system is complex, friction exists between multiple gears, meshing loss etc., leading to the efficiency reduction of entire transmission system, including: main body inside is provided with transmission shaft;Rotary shaft is provided with driving gear;Control cylinder is fixedly arranged on the top of main body;Installation ring bottom is provided with transmission gear;Transmission gear is engaged with driving gear. Transmission gear and driving gear are engaged by driving motor driving rotary shaft and driving gear rotation, and the thickness of driving gear is greater than transmission gear, then transmission gear and gear A are moved by cylinder driving, transmission gear and driving gear can be continuously engaged, an intermediate shaft gear is saved, make the structure of transmission system more simple, and the number of gear is reduced, the friction between gear, meshing loss etc. are reduced accordingly, the efficiency of entire transmission system is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of CNC technology, and more specifically, it relates to a dual-speed gearbox for a square sliding ram gantry. Background Technology

[0002] A square ram gantry is a metal cutting machine tool or processing equipment that uses a square cross-section ram (square ram) as the core moving component, supported by a gantry frame structure, and realizes multi-directional precision feed and power output. Its core feature is that the traditional circular cross-section ram is replaced with a square cross-section ram, and combined with the frame structure of a gantry machine tool (double columns + crossbeam), it forms a processing platform with high rigidity, high precision and multi-degree-of-freedom motion capability, and is widely used in heavy cutting, precision milling, boring and composite machining scenarios.

[0003] Based on existing technology, traditional square slide gantry milling machines use a dual-speed gearbox to provide two different output speeds (high and low). This typically includes an input shaft gear, an intermediate shaft gear, and an output shaft gear. The input shaft is connected to the power source, transmitting power to the input shaft gear, which then meshes with the gear on the intermediate shaft. This makes the entire transmission system more complex, increasing not only the difficulty of design and manufacturing but also the cost and weight of the equipment. Friction and meshing losses exist between multiple gears, and each gear pair consumes energy, leading to a reduction in the overall efficiency of the transmission system. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a dual-speed gearbox for square ram gantry cranes. This solves the problem that traditional square ram gantry cranes use dual-speed gearboxes to control and provide two different output speeds (high and low), resulting in a more complex transmission system structure. This not only increases the difficulty of design and manufacturing but also raises the cost and weight of the equipment. Furthermore, friction and meshing losses exist between multiple gears, and each gear pair consumes a certain amount of energy, leading to a reduction in the efficiency of the entire transmission system.

[0005] This utility model discloses a dual-speed gearbox for a square sliding ram gantry, achieved through the following specific technical means:

[0006] A dual-speed gearbox for a square sliding ram gantry includes a mounting mechanism, a drive mechanism, a control mechanism, and a rotation mechanism;

[0007] The mounting mechanism is equipped with a drive mechanism; the control mechanism is mounted on the mounting mechanism and connected to the drive mechanism; the rotating mechanism is located inside the mounting mechanism and connected to the control mechanism.

[0008] The mounting mechanism includes: a main body, which is a dual-speed gearbox body; a drive shaft is provided inside the main body;

[0009] The driving mechanism includes: a drive motor, which is fixedly mounted on the top of the main body; a rotating shaft is provided on the bottom output shaft of the drive motor; and a drive gear is provided on the rotating shaft.

[0010] The control mechanism includes a control cylinder, which is fixedly mounted on the top of the main body; a mounting component is provided at the bottom of the control cylinder; a mounting ring is provided on the mounting component; a transmission gear is provided at the bottom of the mounting ring; and the transmission gear meshes with a drive gear.

[0011] The rotating mechanism includes: a main shaft, which is rotatably mounted on the main body; a gear C is mounted on the main shaft; and the gear C meshes with a transmission gear.

[0012] Furthermore, the main body is provided with an oil filler port and an oil level gauge; an observation window is provided on the side of the main body; the main body is rotatably connected to the rotating shaft; a spline is provided on the transmission shaft; and an installation ring is provided on the transmission shaft.

[0013] Furthermore, the thickness of the drive gear is greater than that of the transmission gear.

[0014] Furthermore, the thickness of the drive gear is greater than that of the transmission gear.

[0015] According to the claim, a dual-speed gearbox for a square sliding ram gantry is characterized in that: a keyway is provided on the transmission gear; the keyway of the transmission gear is slidably connected to the spline on the transmission shaft.

[0016] Furthermore, the control mechanism also includes: gear A;

[0017] Gear A is located at the bottom of the transmission gear; the keyway on gear A is slidably connected to the spline of the transmission shaft.

[0018] Furthermore, the rotating mechanism also includes: gear B;

[0019] Gear B is mounted on the main shaft; gear B is positioned below gear C.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. In this device, a drive gear and a transmission gear are provided. The drive gear is located on the rotating shaft, while the transmission gear is located on the transmission shaft. The drive motor drives the rotating shaft and the drive gear to rotate. The transmission gear meshes with the drive gear. Since the thickness of the drive gear is greater than that of the transmission gear, when the cylinder drives the transmission gear and gear A to move, the transmission gear and the drive gear can maintain a continuous meshing state. This eliminates the need for an intermediate shaft gear, making the structure of the transmission system simpler, reducing the number and types of parts, and lowering the difficulty of design and manufacturing. With fewer gears, friction and meshing losses between gears are reduced accordingly, improving the efficiency of the entire transmission system, reducing energy loss, and saving energy. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of this utility model from a bottom view with partial cross-section.

[0023] Figure 2 This is a top view of a partially sectional three-dimensional structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0025] Figure 4 This is a schematic diagram of the main structure of this utility model.

[0026] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0027] 1. Mounting mechanism; 101. Main body; 102. Drive shaft; 2. Drive mechanism; 201. Drive motor; 202. Rotating shaft; 203. Drive gear; 3. Control mechanism; 301. Control cylinder; 302. Mounting component; 303. Mounting ring; 304. Transmission gear; 305. Gear A; 4. Rotation mechanism; 401. Main shaft; 402. Gear B; 403. Gear C. Detailed Implementation

[0028] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0029] Example:

[0030] As attached Figure 1 To be continued Figure 4 As shown:

[0031] This utility model provides a dual-speed gearbox for a square sliding ram gantry, including an installation mechanism 1, a drive mechanism 2, a control mechanism 3, and a rotation mechanism 4;

[0032] The mounting mechanism 1 is provided with a drive mechanism 2; the control mechanism 3 is provided on the mounting mechanism 1 and is connected to the drive mechanism 2; the rotating mechanism 4 is provided inside the mounting mechanism 1 and is connected to the control mechanism 3.

[0033] Mounting mechanism 1 includes: a main body 101, which is a dual-speed gearbox body; a drive shaft 102 is provided inside the main body 101; the main body 101 is used to install various components, and the oil tank, filler port and oil level gauge provided inside can be used to store lubricating oil, etc.; the spline provided on the drive shaft 102 is used to slide with the drive gear 304 and gear A305.

[0034] The drive mechanism 2 includes: a drive motor 201, which is fixedly mounted on the top of the main body 101; a rotating shaft 202 is mounted on the bottom output shaft of the drive motor 201; a drive gear 203 is mounted on the rotating shaft 202; the drive motor 201 is used to drive the rotating shaft 202 and the drive gear 203 to rotate, and the drive gear 203 is used to mesh with the transmission gear 304 to drive the transmission gear 304 to rotate.

[0035] Control mechanism 3: Control cylinder 301, which is fixedly installed on the top of the main body 101; a mounting part 302 is provided at the bottom of the control cylinder 301; a mounting ring 303 is provided on the mounting part 302; a transmission gear 304 is provided at the bottom of the mounting ring 303; the transmission gear 304 meshes with the drive gear 203; the control cylinder 301 here is used to control the extension and retraction of the mounting part 302 to move up and down through the back control panel, so that the transmission gear 304 meshes with the gear C403, or the gear A305 meshes with the gear B402, thereby realizing dual-speed adjustment;

[0036] The rotating mechanism 4 includes: a main shaft 401, which is rotatably mounted on the main body 101; a gear C403 is mounted on the main shaft 401; the gear C403 meshes with the transmission gear 304; the main shaft 401 is used to connect an external cutting tool and to process the workpiece by driving the cutting tool to rotate.

[0037] Among them, such as Figure 1 As shown, the main body 101 is provided with an oil filler port and an oil level gauge; an observation window is provided on the side of the main body 101; the main body 101 is rotatably connected to the rotating shaft 202; a spline is provided on the transmission shaft 102; and an installation ring 303 is provided on the transmission shaft 102.

[0038] Among them, such as Figure 1 As shown, the thickness of the drive gear 203 is greater than that of the transmission gear 304.

[0039] Among them, such as Figure 2As shown, a keyway is provided on the transmission gear 304; the keyway of the transmission gear 304 is slidably connected to the spline on the transmission shaft 102.

[0040] Among them, such as Figure 1 As shown, the control mechanism 3 also includes: gear A305; gear A305 is located at the bottom of transmission gear 304; the keyway on gear A305 is slidably connected to the spline of transmission shaft 102; gear A305 is driven by the extension and retraction of control cylinder 301 to mesh with gear B402.

[0041] Among them, such as Figure 1 As shown, the rotating mechanism 4 also includes: gear B402; gear B402 is mounted on the main shaft 401; gear B402 is mounted below gear C403.

[0042] The specific usage and function of this embodiment are as follows:

[0043] In this invention, when using the device, the drive motor 201 is rotated by the control panel, which in turn drives the rotating shaft 202 and the drive gear 203 to rotate. The drive gear 203 is used to mesh with the transmission gear 304, driving the transmission gear 304 and gear A305 to rotate. The control cylinder 301, controlled by the control panel, extends and retracts, causing the mounting part 302 to move up and down, thereby enabling the transmission gear 304 to mesh with gear C403, or gear A305 to mesh with gear B402, thus achieving dual-speed adjustment, thereby driving the spindle 401 to generate different speeds to adapt to the processing requirements of different workpieces.

Claims

1. A dual-speed gearbox for a square sliding ram gantry, characterized in that: It includes an installation mechanism (1), a drive mechanism (2), a control mechanism (3), and a rotation mechanism (4); The mounting mechanism (1) is provided with a drive mechanism (2); the control mechanism (3) is provided on the mounting mechanism (1) and is connected to the drive mechanism (2); the rotating mechanism (4) is provided inside the mounting mechanism (1) and is connected to the control mechanism (3); The mounting mechanism (1) includes: a main body (101), which is a dual-speed gearbox body; a drive shaft (102) is provided inside the main body (101). The drive mechanism (2) includes: a drive motor (201), which is fixedly mounted on the top of the main body (101); a rotating shaft (202) is provided on the bottom output shaft of the drive motor (201); and a drive gear (203) is provided on the rotating shaft (202). The control mechanism (3) includes a control cylinder (301), which is fixedly mounted on the top of the main body (101); a mounting component (302) is provided at the bottom of the control cylinder (301); a mounting ring (303) is provided on the mounting component (302); a transmission gear (304) is provided at the bottom of the mounting ring (303); and the transmission gear (304) meshes with the drive gear (203). The rotating mechanism (4) includes: a main shaft (401), which is rotatably mounted on the main body (101); a gear C (403) is mounted on the main shaft (401); the gear C (403) meshes with the transmission gear (304).

2. The dual-speed gearbox for a square sliding ram gantry as described in claim 1, characterized in that: The main body (101) is provided with an oil filler and an oil level gauge; the main body (101) is provided with an observation window on its side; the main body (101) is rotatably connected to the rotating shaft (202); the transmission shaft (102) is provided with a spline; the transmission shaft (102) is provided with an installation ring (303).

3. The dual-speed gearbox for a square sliding ram gantry as described in claim 1, characterized in that: The thickness of the drive gear (203) is greater than that of the transmission gear (304).

4. A dual-speed gearbox for a square sliding ram gantry as described in claim 2, characterized in that: The transmission gear (304) is provided with a keyway; the keyway of the transmission gear (304) is slidably connected to the spline on the transmission shaft (102).

5. A dual-speed gearbox for a square sliding ram gantry as described in claim 4, characterized in that: The control mechanism (3) further includes: gear A (305); The gear A (305) is located at the bottom of the transmission gear (304); the keyway on the gear A (305) is slidably connected to the spline of the transmission shaft (102).

6. A dual-speed gearbox for a square sliding ram gantry as described in claim 1, characterized in that: The rotating mechanism (4) further includes: gear B (402); The gear B (402) is mounted on the main shaft (401); the gear B (402) is mounted below the gear C (403).