Interval blocking type transmission device driven by gears

The power transmission between the transmission shafts is achieved through the gear transmission device, which solves the problem of rotation error of existing magnetic transmission under large torque, and ensures the power transmission effect with small rotation error.

CN119267504APending Publication Date: 2025-01-07CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +1
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Patent Information

Application Number
CN202411594768.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-10
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The existing contactless magnetic transmission is prone to rotational errors between the two transmission shafts under large torques, and cannot be applied without allowing any rotational errors.

Method used

The interval blocking transmission device using gear transmission is inserted into the annular space between the upper and lower disks of the central shaft through the main rotating disc. The connecting rod of the transmission gear passes through the gear rod installation hole of the central shaft. The lower end gear of the transmission gear is kept meshed with the spur teeth on the inside of the main rotating disc, and power transmission is achieved through the transmission snap and compression spring.

Benefits of technology

In the case of interval blocking, the power transmission between the two rotating shafts is achieved, ensuring a small rotation error and solving the problem of contactless transmission with large transmission power.

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Abstract

The invention discloses an interval blocking type transmission device achieving transmission through gears, and belongs to the technical field of assembly equipment. A main rotating disc is arranged in an annular space between a middle shaft upper disc and a middle shaft lower disc of a middle shaft in a sleeving mode; a connecting rod of the transmission gear penetrates through a gear rod mounting hole of the middle shaft to enable a gear at the lower end of the transmission gear to be meshed with straight teeth on the inner side of the main rotating disc, the transmission gear is fixedly connected with a transmission buckle through a transmission buckle body platform through hole, and the transmission buckle is connected with a middle shaft transmission buckle groove of the middle shaft in an inserted mode. A compression spring is arranged in a middle shaft spring mounting hole of the middle shaft, the main rotating disc drives the auxiliary rotating disc to rotate through the transmission gear, and the transmission buckle and the transmission gear are compressed downwards in the rotating process of the interval blocking device so as to penetrate through connection between the main rotating disc and the auxiliary rotating disc. Through a connection mode of arranging a compressible transmission buckle and a transmission mode of gear transmission, power transmission between two rotating parts under the condition of interval blocking is realized.
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Description

Technical Field

[0001] The invention belongs to the technical field of assembly equipment, and in particular relates to an interval blocking transmission device driven by gears. Background Art

[0002] Transmission devices are used in many fields. With the development of science and technology, various transmission devices have been developed in today's society. When a partition device is set between two rotating shafts, it is usually to achieve the following purposes: to isolate vibration, reduce noise, prevent medium leakage, or because there is a need for relative motion between the two shafts or other special needs. The existing solution usually uses magnetic drive to achieve contactless transmission between two rotating shafts.

[0003] Application No. CN202311519591.9 discloses a magnetic marine centrifugal high-pressure pump, which includes a pressure shell and a fluid-conducting pressure shell to form a pump body. A motor is provided on the top of the pump body, and a magnetic coupling is provided between the output shaft of the motor and the pump shaft. The magnetic coupling is connected to the pump shaft in the pump body by transmission. The outer magnetic ring and the inner magnetic ring of the magnetic coupling are separated by an isolation cover. A gap is reserved between the outer side of the linkage shaft and the middle part of the pump body, and a liquid guide hole is provided on one side of the ring gland. By setting a magnetic coupling between the motor and the pump shaft, a contactless sealed transmission is achieved, avoiding the problem of leakage of the transmission part due to wear. However, in some cases where there is no rotation error between the two rotating shafts and the transmission force is large, it is not appropriate to use magnetic transmission. Therefore, it is necessary to study a transmission method without any rotation error when blocked. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that under large torque, rotation error between two transmission shafts may occur in the existing contactless magnetic transmission mode, which cannot be applied in some situations where no rotation error is allowed. An interval blocking transmission device through gear transmission is proposed, in which the main rotating disk is inserted into the annular space between the upper disk and the lower disk of the central axis, and the connecting rod of the transmission gear passes through the gear rod mounting hole of the central axis so that the lower end gear of the transmission gear is kept in mesh with the straight teeth on the inner side of the main rotating disk. The transmission gear is fixedly connected with the transmission buckle through the through hole of the transmission buckle main platform, and the transmission buckle and the central axis transmission buckle groove of the central axis are inserted and connected. A compression spring is arranged in the central axis spring mounting hole of the central axis. The main rotating disk drives the auxiliary rotating disk to rotate through the transmission gear. During the rotation of the interval blocking device, the transmission buckle and the transmission gear are compressed downward, thereby passing through the connection between the main rotating disk and the auxiliary rotating disk. At the same time, by setting a compressible transmission buckle connection mode and a gear transmission mode, power transmission between the two rotations is realized under interval blocking.

[0005] In order to solve the above technical problems, the present invention provides an interval-blocking transmission device through gear transmission, comprising: a central axis, a main rotating disk, an interval-blocking device, a transmission buckle, an auxiliary rotating disk and a transmission gear; the inner side of the circular ring of the main rotating disk is provided with spur teeth; the main rotating disk is inserted into the annular space between the upper disk and the lower disk of the central axis, the connecting rod of the transmission gear passes through the gear rod mounting hole of the central axis so that the lower end gear of the transmission gear keeps meshing with the spur teeth on the inner side of the main rotating disk, the connecting rod on the transmission gear passes through the transmission buckle main platform through hole on the transmission buckle, the transmission buckle and the central axis transmission buckle groove of the central axis are inserted and connected, a compression spring is provided in the central axis spring mounting hole of the central axis, and the interval-blocking device and the auxiliary rotating disk are sequentially sleeved on the central axis column of the central axis.

[0006] Preferably, a central axis cylinder is arranged at the center of the central axis, a central axis lower disk is arranged at the bottom of the central axis cylinder, an central axis upper disk is arranged at a certain distance above the central axis lower disk, an annular space is formed between the central axis upper disk and the central axis lower disk, a central axis fixing ring is fixedly arranged on the surface of the central axis upper disk, a number of central axis transmission buckle grooves are symmetrically arranged on the concentric ring surface of the central axis fixing ring, a central axis spring mounting hole is arranged at the bottom of the central axis transmission buckle groove, and a gear rod mounting hole corresponding to the central axis transmission buckle groove is arranged at the intersection of the central axis fixing ring and the inner side of the central axis upper disk.

[0007] Preferably, the spacing blocking device comprises a blocking device sleeve and a blocking cross bar fixedly connected around a circular surface on one side of the blocking device sleeve.

[0008] Preferably, the blocking cross bars are arranged at equal distances from each other and the setting side of the blocking cross bars is close to the auxiliary rotating disk.

[0009] Preferably, the middle part of the transmission buckle is a transmission buckle main body platform, a transmission buckle limiting boss is arranged at the lower end of the transmission buckle main body platform, a transmission buckle compression slope is arranged at the outer side of the upper end of the transmission buckle main body platform, and the transmission buckle is also provided with a transmission buckle main body platform through hole on the transmission buckle main body platform.

[0010] Preferably, the auxiliary rotating disk is an annular disk, comprising an auxiliary rotating disk body and a rotating ring, and the outer facade of the annular disk of the auxiliary rotating disk is provided with straight teeth.

[0011] Preferably, a lower gear is provided at the lower end of the transmission gear, an upper gear is provided at the upper end, and both ends of the connecting rod are respectively fixed at the center positions of the lower gear and the upper gear.

[0012] Preferably, the several transmission buckle compression slopes are arranged in a counterclockwise direction, the rotation direction of the spacing blocking device is opposite to the arrangement direction of the transmission buckle compression slope, the setting length of the blocking cross bar is greater than the distance from the transmission buckle compression slope to the central axis, and the number of blocking cross bars is different from the number of transmission buckles.

[0013] Beneficial effects of the present invention: This solution solves the problem that it is usually difficult to achieve power transmission between two rotating planes when there is another form of rotation obstruction between the two rotating planes by setting a transmission buckle. It realizes power transmission between the two rotations in the case of interval obstruction and ensures that the rotation error between the two rotating axes is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings. The drawings are only for the purpose of illustrating preferred embodiments and are not to be considered as limiting the present invention. Also, the same reference symbols are used throughout the drawings to represent the same parts.

[0015] Figure 1 It is a schematic diagram of the overall assembly of the transmission device of the present invention; Figure 2 It is a schematic diagram of the central axis of the present invention; Figure 3 It is a schematic diagram of the positions of the upper disc and the lower disc of the central axis of the present invention; Figure 4 It is a schematic diagram of the transmission device assembly of the present invention; Figure 5 It is a schematic diagram of the interval blocking device of the present invention; Figure 6 It is a schematic diagram of the main rotating disk of the present invention; Figure 7 It is a schematic diagram of the transmission buckle of the present invention; Figure 8 It is a schematic diagram of the auxiliary rotating disk of the present invention; Fig. 9 It is a schematic diagram of the transmission gear of the present invention.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 150, central axis; 151, central axis cylinder; 152, central axis upper disc; 153, central axis fixing ring; 154, central axis lower disc; 155, central axis transmission buckle groove; 156, central axis spring mounting hole; 157, gear rod mounting hole; 210, main rotating disk; 310, interval blocking device; 301, blocking device sleeve; 302, blocking cross bar; 410, transmission buckle; 401, transmission buckle main platform; 402, transmission buckle limiting boss; 403, transmission buckle compression ramp; 404, transmission buckle main platform through hole; 510, auxiliary rotating disk; 600, compression spring; 610, transmission gear; 611, lower end gear; 612, upper end gear. DETAILED DESCRIPTION

[0017] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific implementation method described herein is only an optimal embodiment of the present invention, which is only used to explain the present invention and does not limit the scope of protection of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] Example 1: Figure 1 As shown, a spacing blocking transmission device through gear transmission includes: a central shaft 150, a main rotating disk 210, a spacing blocking device 310, a transmission buckle 410, a secondary rotating disk 510 and a transmission gear 610; the inner side of the ring of the main rotating disk 210 is provided with straight teeth; the main rotating disk 210 is inserted into the annular space between the central shaft upper disk 152 and the central shaft lower disk 154 of the central shaft 150, and the connecting rod of the transmission gear 610 passes through the gear rod mounting hole 157 of the central shaft 150 so that the transmission gear 610 can be driven by the transmission gear 610. The lower end gear 611 of the moving gear 610 is meshed with the straight teeth on the inner side of the main rotating disk 210, and the connecting rod on the transmission gear 610 passes through the transmission buckle main platform through hole 404 on the transmission buckle 410, and the transmission buckle 410 and the central axis transmission buckle groove 155 of the central axis 150 are inserted and connected, and a compression spring 600 is arranged in the central axis spring mounting hole 156 of the central axis 150, and the spacing blocking device 310 and the auxiliary rotating disk 510 are sequentially sleeved on the central axis column 151 of the central axis 150.

[0019] Specifically, Figure 2 , Figure 3As shown, a central axis cylinder 151 is provided at the center of the central axis 150, a central axis lower disc 154 is provided at the bottom of the central axis cylinder 151, a central axis upper disc 152 is provided at a certain distance above the central axis lower disc 154, an annular space is formed between the central axis upper disc 152 and the central axis lower disc 154, a central axis fixing ring 153 is fixedly provided on the surface of the central axis upper disc 152, a plurality of central axis transmission buckle grooves 155 are symmetrically provided on the concentric ring surface of the central axis fixing ring 153, a central axis spring mounting hole 156 is provided at the bottom of the central axis transmission buckle groove 155, and a gear rod mounting hole 157 corresponding to the central axis transmission buckle groove 155 is provided at the inner intersection of the central axis fixing ring 153 and the central axis upper disc 152.

[0020] like Figure 4 , Figure 5 As shown, the spacing blocking device 310 includes a blocking device sleeve 301 and a blocking cross bar 302 fixedly connected to the circular surface of one side of the blocking device sleeve 301. The ends of the blocking cross bars 302 are connected by a circular ring to form a whole plate.

[0021] Specifically, the blocking cross bars 302 are arranged at equal distances from each other and the arrangement side of the blocking cross bars 302 is close to the auxiliary rotating disk 510 .

[0022] Embodiment 2: An interval blocking transmission device through gear transmission, comprising: a central axis 150, a main rotating disk 210, an interval blocking device 310, a transmission buckle 410, a secondary rotating disk 510 and a transmission gear 610; the inner side of the ring of the main rotating disk 210 is provided with straight teeth; the main rotating disk 210 is inserted into the annular space between the central axis upper disk 152 and the central axis lower disk 154 of the central axis 150, and the connecting rod of the transmission gear 610 passes through the gear rod mounting hole 157 of the central axis 150 so that The lower end gear 611 of the transmission gear 610 is meshed with the straight teeth on the inner side of the main rotating disk 210, and the connecting rod on the transmission gear 610 passes through the transmission buckle main platform through hole 404 on the transmission buckle 410, and the transmission buckle 410 and the central axis transmission buckle groove 155 of the central axis 150 are inserted and connected, and a compression spring 600 is arranged in the central axis spring mounting hole 156 of the central axis 150, and the spacing blocking device 310 and the auxiliary rotating disk 510 are sequentially sleeved on the central axis column 151 of the central axis 150.

[0023] Specifically, Figure 7As shown, the middle part of the transmission buckle 410 is the transmission buckle main body platform 401, and a transmission buckle limiting boss 402 is provided at the lower end of the transmission buckle main body platform 401, wherein the transmission buckle 410 and the central axis transmission buckle groove 155 of the central axis 150 are inserted and connected, wherein the transmission buckle limiting boss 402 is inserted into the central axis transmission buckle groove 155, and a transmission buckle compression slope 403 is provided on the outer side of the upper end of the transmission buckle main body platform 401, and the transmission buckle 410 is also provided with a transmission buckle main body platform through hole on the transmission buckle main body platform 401.

[0024] Specifically, Figure 8 As shown, the auxiliary rotating disk 510 is an annular disk, which is mainly composed of an auxiliary rotating disk body 501 and a rotating ring 503 . Straight teeth are arranged on the outer facade of the annular disk of the auxiliary rotating disk 510 .

[0025] like Fig. 9 As shown, the lower end of the transmission gear 610 is provided with a lower gear 611, the upper end is provided with an upper gear 612, and the two ends of the connecting rod are respectively fixed at the center of the circle of the lower gear 611 and the upper gear 612. The transmission buckle compression slope 403 is arranged in the counterclockwise direction, the rotation direction of the spacing blocking device 310 is opposite to the arrangement direction of the transmission buckle compression slope 403, the setting length of the blocking cross bar 302 is greater than the distance from the transmission buckle compression slope 403 to the central axis 150, and the number of the blocking cross bars 302 is different from the number of the transmission buckle 410.

[0026] This solution solves the problem that it is usually difficult to achieve power transmission between two rotating planes when there is another form of rotation obstruction between the two rotating planes by setting a transmission buckle. It realizes power transmission between the two rotations in the case of interval obstruction and ensures that the rotation error between the two rotating axes is small.

[0027] Embodiment 3: Figure 1 It is the overall assembly diagram of the transmission device, such as Figure 1 and Figure 3 As shown, the interval blocking transmission device of the present invention is mainly composed of a central shaft 150, a main rotating disk 210, an interval blocking device 310, a transmission buckle 410, a secondary rotating disk 510, a compression spring 600 and a transmission gear 610. Figure 6 As shown, the main rotating disk 210 is mainly in the form of an annular disk, and the inside of the annular disk is provided with spur teeth. The auxiliary rotating disk 510 is mainly in the form of an annular disk, and the outside of the annular disk is provided with spur teeth. The lower end of the transmission gear 610 is provided with a lower end gear 611, and the upper end is provided with an upper end gear 612, and the lower end gear 611 and the upper end gear 612 are connected by a connecting rod.

[0028] The main rotating disk 210 is inserted into the annular space between the upper disk 152 and the lower disk 154 of the central axis 150, and the connecting rod of the transmission gear 610 passes through the gear rod mounting hole 157 of the central axis 150 so that the lower end gear 611 of the transmission gear 610 is meshed with the straight teeth on the inner side of the main rotating disk 210. The compression spring 600 and the transmission buckle 410 are sequentially placed in the central axis spring mounting hole 156 and the central axis transmission buckle groove 155 on the central axis 150, and the connecting rod on the transmission gear 610 is passed through the hole set on the transmission buckle 410. The interval blocking device 310 and the auxiliary rotating disk 510 are sequentially inserted into the central axis column 151 on the central axis 150. After installation, the main rotating disk 210 drives the auxiliary rotating disk 510 to rotate together through the transmission gear 610, but the two rotate in opposite directions. If the spacing blocking device 310 does not move, the transmission buckle 410 will not move either. If the spacing blocking device 310 moves clockwise, when it moves to the transmission buckle compression slope 403 on the transmission buckle 410, it will press the transmission buckle 410 downward into the central shaft transmission buckle groove 155, and drive the transmission gear 610 to move downward. Therefore, the spacing blocking device 310 can smoothly pass through the connection position between the main rotating disk 210 and the auxiliary rotating disk 510.

[0029] Figure 2 is a schematic diagram of the central axis, such as Figure 2 As shown, the center of the central axis 150 is a central axis cylinder 151. A central axis lower disc 154 is provided at the bottom of the central axis cylinder 151, and a central axis upper disc 152 is provided at a certain distance above the central axis lower disc 154. An annular space is formed between the central axis upper disc 152 and the central axis lower disc 154. A central axis fixing ring 153 is provided on the central axis upper disc 152, and a central axis transmission buckle groove 155 is centrally symmetrically provided on the central axis fixing ring 153, and a central axis spring mounting hole 156 is provided at the bottom of the central axis transmission buckle groove 155. A gear rod mounting hole 157 is also provided on the central axis upper disc 152 near the central axis transmission buckle groove 155.

[0030] Figure 4 is a schematic diagram of a spacer blocking device, such as Figure 4 As shown, the interval blocking device 310 is mainly composed of a blocking device sleeve 301 and a blocking cross bar 302 symmetrically distributed around the blocking device sleeve 301. The end of the blocking cross bar 302 connects the tail of each blocking cross bar 302 with a ring to form a whole plate.

[0031] Figure 7 is a schematic diagram of the transmission buckle, such as Figure 7As shown, the middle part of the transmission buckle 410 is the transmission buckle main body platform 401, the lower end of the transmission buckle main body platform 401 is provided with a transmission buckle limiting boss 402, the upper end of the transmission buckle main body platform 401 is provided with a transmission buckle compression inclined surface 403 on the outer side, and the transmission buckle 410 is also provided with a transmission buckle main body platform through hole 404 on the transmission buckle main body platform 401. Among them, the transmission buckle compression inclined surface 403 is a right-angled trapezoid as a whole, and the longer side of a pair of parallel sides of the right-angled trapezoid is fixedly connected to the transmission buckle main body platform 401.

[0032] Several transmission buckle compression slopes 403 are arranged in the counterclockwise direction, the rotation direction of the spacing blocking device 310 is opposite to the arrangement direction of the transmission buckle compression slope 403, the setting length of the blocking cross bar 302 is greater than the distance from the transmission buckle compression slope 403 to the central axis 150, and the number of blocking cross bars 302 is different from the number of transmission buckles 410.

[0033] Figure 8 is a schematic diagram of the secondary rotating disk, such as Figure 8 As shown, the auxiliary rotating disk 510 is an annular disk, and the outer facade of the annular disk of the auxiliary rotating disk 510 is provided with straight teeth.

[0034] Fig. 9 is a schematic diagram of the transmission gear, such as Fig. 9 As shown, a lower gear 611 is provided at the lower end of the transmission gear 610 , and an upper gear 612 is provided at the upper end, and both ends of the connecting rod are fixed at the center positions of the lower gear 611 and the upper gear 612 , respectively.

[0035] The above specific embodiments are preferred embodiments of the present invention, and are not intended to limit the specific implementation scope of the present invention. The scope of the present invention includes but is not limited to the present specific embodiments. All equivalent changes made in accordance with the shape, structure, and method of the present invention are within the protection scope of the present invention.

Claims

1. An interval blocking transmission device driven by gears, characterized in that: It includes a central axis, a main rotating disk, an interval blocking device, a transmission buckle, an auxiliary rotating disk and a transmission gear; the inner side of the circular ring of the main rotating disk is provided with spur teeth; the main rotating disk is inserted into the annular space between the central axis upper disk and the central axis lower disk of the central axis, the connecting rod of the transmission gear passes through the gear rod mounting hole of the central axis so that the lower end gear of the transmission gear keeps meshing with the spur teeth on the inner side of the main rotating disk, the connecting rod on the transmission gear passes through the transmission buckle main platform through hole on the transmission buckle, the transmission buckle and the central axis transmission buckle groove of the central axis are inserted and connected, the central axis spring mounting hole of the central axis is provided with a compression spring, the interval blocking device and the auxiliary rotating disk are sequentially sleeved on the central axis column of the central axis.

2. The interval blocking transmission device through gear transmission according to claim 1, characterized in that: A central axis cylinder is arranged at the center of the central axis, a central axis lower disk is arranged at the bottom of the central axis cylinder, an central axis upper disk is arranged at a certain distance above the central axis lower disk, an annular space is formed between the central axis upper disk and the central axis lower disk, a central axis fixing ring is fixedly arranged on the surface of the central axis upper disk, a plurality of central axis transmission buckle grooves are symmetrically arranged on the concentric ring surface of the central axis fixing ring, a central axis spring mounting hole is arranged at the bottom of the central axis transmission buckle groove, and a gear rod mounting hole corresponding to the central axis transmission buckle groove is arranged at the intersection of the central axis fixing ring and the inner side of the central axis upper disk.

3. The interval blocking transmission device through gear transmission according to claim 2, characterized in that: The interval blocking device comprises a blocking device sleeve and a blocking cross bar fixedly connected around a circular surface on one side of the blocking device sleeve.

4. The interval blocking transmission device through gear transmission according to claim 3, characterized in that: The blocking cross bars are arranged equidistantly and the arrangement side of the blocking cross bars is close to the auxiliary rotating disk.

5. The interval blocking transmission device through gear transmission according to claim 1, characterized in that: The middle part of the transmission buckle is a transmission buckle main body platform, a transmission buckle limiting boss is arranged at the lower end of the transmission buckle main body platform, a transmission buckle compression slope is arranged at the outer side of the upper end of the transmission buckle main body platform, and the transmission buckle is also provided with a transmission buckle main body platform through hole on the transmission buckle main body platform.

6. The interval blocking transmission device through gear transmission according to claim 5, characterized in that: The auxiliary rotating disk is an annular disk, comprising an auxiliary rotating disk body and a rotating ring, and the outer facade of the annular disk of the auxiliary rotating disk is provided with straight teeth.

7. The interval blocking transmission device through gear transmission according to claim 1, characterized in that: The lower end of the transmission gear is provided with a lower end gear, and the upper end is provided with an upper end gear. The two ends of the connecting rod are respectively fixed at the center positions of the lower end gear and the upper end gear.

8. The interval blocking transmission device through gear transmission according to claim 5, characterized in that: The plurality of transmission buckle compression slopes are arranged in a counterclockwise direction, the rotation direction of the spacing blocking device is opposite to the arrangement direction of the transmission buckle compression slopes, the setting length of the blocking cross bar is greater than the distance from the transmission buckle compression slope to the central axis, and the number of blocking cross bars is different from the number of transmission buckles.

Citation Information

Patent Citations

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