High-speed direct-current brushless barrier gate and machine core
By adopting a high-power external rotor DC brushless motor and a one-pole planetary reducer in the DC brushless gate movement, combined with a special four-link transmission structure, the problems of low transmission efficiency and poor durability in the existing technology are solved, and more efficient and durable gate performance is achieved.
Patent Information
- Application Number
- CN202421460960.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing DC brushless gate movement has low transmission efficiency, large heat generation, and small motor power, resulting in slow lifting and falling rod speeds, low vehicle traffic efficiency and poor durability.
A high-power external rotor brushless DC motor plus a one-pole planetary reducer is adopted, and a special four-link transmission structure drives the movement of the connecting rod transmission assembly to improve transmission efficiency.
It improves the traffic efficiency and durability of the gate, improves the output torque and speed of the motor, reduces the heat generation, and enhances the overall performance.
Smart Images

Figure CN222796255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a barrier gate and a movement thereof, in particular to a high-speed DC brushless barrier gate and a movement thereof. Background Art
[0002] With the development of automobile industry and highways, the traffic volume is increasing, and the traffic efficiency is also increasing. ETC and high-speed gates are born. There are two types of high-speed gate solutions: high-voltage AC torque motor drive solution and low-voltage DC brushless motor drive solution.
[0003] Among them, the brushless DC motors of brushless DC barrier gate mechanisms on the market generally use inner rotor motors plus ordinary multi-pole full gear transmission structures, which have low transmission efficiency, high heat generation, low motor power and output torque, resulting in slow lifting and lowering speeds, low vehicle traffic efficiency, and poor durability. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a high-speed DC brushless barrier and a movement.
[0005] The technical solutions adopted by the utility model to solve the above technical problems are as follows:
[0006] A high-speed DC brushless barrier movement, comprising:
[0007] A motor assembly and a four-link transmission assembly connected to the motor assembly;
[0008] The four-link transmission assembly comprises:
[0009] A large arm connecting rod (1) has a longer first connecting rod and a shorter second connecting rod, wherein one end where the two connecting rods are connected has a first shaft hole mounting portion, and the other end has a first shaft hole and a second shaft hole respectively;
[0010] The second axial hole is arranged on the second connecting rod and is connected to an intermediate connecting rod (8);
[0011] The two ends of the intermediate connecting rod (8) are respectively provided with a first fixed shaft and a second fixed shaft, and the first fixed shaft passes through the second shaft hole;
[0012] The intermediate connecting rod (8) is connected to a motor connecting rod (13), one end of the motor connecting rod (13) has a third axial hole, and the other end has a second axial hole mounting portion;
[0013] The first fixed shaft passes through the third shaft hole, and the motor assembly has a reducer output shaft (16), and the reducer output shaft (16) passes through the second shaft hole mounting portion, thereby driving the connecting rod transmission assembly to move.
[0014] Other features and advantages of the utility model will be described in the subsequent description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures specifically pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following is a detailed description of the present invention in conjunction with the accompanying drawings to make the above advantages of the present invention more clear.
[0016] Figure 1 It is an exploded view of the high-speed DC brushless barrier mechanism of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the high-speed DC brushless barrier mechanism of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the high-speed DC brushless barrier mechanism of the utility model;
[0019] Figure 4 It is a structural schematic diagram of a high-speed DC brushless barrier movement of the utility model. DETAILED DESCRIPTION
[0020] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. It should be noted that as long as there is no conflict, the various embodiments of the present invention and the various features in the embodiments can be combined with each other, and the technical solutions formed are all within the protection scope of the present invention.
[0021] The brushless DC motors of brushless DC barrier gate mechanisms on the market generally use inner rotor motors plus ordinary multi-pole full gear transmission structures, which have low transmission efficiency, high heat generation, low motor power and output torque, resulting in slow lifting and lowering speeds, low vehicle traffic efficiency, and poor durability.
[0022] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model discloses a high-speed DC brushless barrier movement, comprising: a motor assembly and a four-link transmission assembly connected to the motor assembly;
[0023] The four-link transmission assembly comprises:
[0024] A large arm connecting rod (1) has a longer first connecting rod and a shorter second connecting rod, wherein one end where the two connecting rods are connected has a first shaft hole mounting portion, and the other end has a first shaft hole and a second shaft hole respectively;
[0025] The second axial hole is arranged on the second connecting rod and is connected to an intermediate connecting rod (8);
[0026] The two ends of the intermediate connecting rod (8) are respectively provided with a first fixed shaft and a second fixed shaft, and the first fixed shaft passes through the second shaft hole;
[0027] The intermediate connecting rod (8) is connected to a motor connecting rod (13), one end of the motor connecting rod (13) has a third axial hole, and the other end has a second axial hole mounting portion;
[0028] The first fixed shaft passes through the third shaft hole, and the motor assembly has a reducer output shaft (16), and the reducer output shaft (16) passes through the second shaft hole mounting portion, thereby driving the connecting rod transmission assembly to move.
[0029] The invention further comprises a bottom plate (6), wherein the bottom plate (6) has screw mounting holes;
[0030] The motor assembly is mounted on the bottom surface of the base plate (6) and has screws passing through the screw mounting holes and is fixed to the first bearing seat (9) and the second bearing seat (18); the first bearing seat (9) and the second bearing seat (18) are arranged in parallel, and a columnar main shaft (5) passes through the bearing holes of both, the upper arm connecting rod (1) is arranged on the side of the base plate (6) and is parallel to the first bearing seat (9) and the second bearing seat (18), and the main shaft (5) passes through the first shaft hole mounting portion.
[0031] The motor assembly specifically comprises: a planetary reducer (2) and a DC outer rotor motor (7), wherein the DC outer rotor motor (7) is arranged on a motor bracket (4), the planetary reducer (2) is arranged on a flange (3), and the motor bracket (4) and the flange (3) are fixed together with the base plate (6).
[0032] The planetary reducer (2) and the DC outer rotor motor (7) are packaged together. In addition, the DC outer rotor motor (7) has an outer rotor core with 15 pairs of poles and 27 winding slots, which can achieve low speed and high torque.
[0033] In addition, it also includes: a first bearing (10), a second bearing (11), a third bearing (12), a fourth bearing (14), a fifth bearing (19), a sixth bearing (20), a seventh bearing (21), a retaining spring (15), a reducer output shaft (16), a spring hanger (17), a first screw (22) and a second screw (23); wherein the upper arm connecting rod (1) is linked with the main shaft (5), the intermediate connecting rod (8), the first bearing seat (9), the second bearing seat (18) and the motor connecting rod (13) to form a rear pole power output assembly.
[0034] The planetary reducer (2), the motor support (4), and the DC outer rotor motor (7) form a front pole power output; the flange (3) fixes the connection between the planetary reducer (2), the base plate (6), and the DC outer rotor motor (7); the motor support (4) is connected to the base plate (6) and plays a fixing role; the main shaft (5) is connected to the boom connecting rod (1), the first bearing seat (9), and the second bearing seat (18) to form a final output; the base plate (6) is connected to the first bearing seat (9), the second bearing seat (18), the flange (3), and the motor support (4) to play a positioning and supporting role; the intermediate connecting rod (8) is connected to the boom connecting rod (1) and the motor connecting rod (13) to form a four-bar structure; the first bearing seat (9), the second bearing seat (18), and the base plate (6) are connected to and fix the main shaft (5).
[0035] The utility model has the following advantages:
[0036] 1. This product uses a high-power outer rotor DC brushless motor plus a single-pole planetary reducer.
[0037] 2. The motor and reducer of this product adopt an integrated mold design.
[0038] 2. The motor of this product has an outer rotor core with 15 pairs of poles and 27 winding slots.
[0039] 3. The transmission structure of this product is a special four-bar structure, and only one limit point is required to drive it to perform related movements.
[0040] 4. Beautiful appearance and easy installation.
[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A high-speed DC brushless barrier movement, characterized in that: include: A motor assembly and a four-link transmission assembly connected to the motor assembly; The four-link transmission assembly comprises: A large arm connecting rod (1) has a longer first connecting rod and a shorter second connecting rod, wherein one end where the two connecting rods are connected has a first shaft hole mounting portion, and the other end has a first shaft hole and a second shaft hole respectively; The second axial hole is arranged on the second connecting rod and is connected to an intermediate connecting rod (8); The two ends of the intermediate connecting rod (8) are respectively provided with a first fixed shaft and a second fixed shaft, and the first fixed shaft passes through the second shaft hole; The intermediate connecting rod (8) is connected to a motor connecting rod (13), one end of the motor connecting rod (13) has a third axial hole, and the other end has a second axial hole mounting portion; The first fixed shaft passes through the third shaft hole, and the motor assembly has a reducer output shaft (16), and the reducer output shaft (16) passes through the second shaft hole mounting portion, thereby driving the connecting rod transmission assembly to move.
2. The high-speed DC brushless barrier movement according to claim 1, characterized in that: It also includes a bottom plate (6), the bottom plate (6) having screw mounting holes; The motor assembly is mounted on the bottom surface of the base plate (6) and has screws passing through the screw mounting holes and fixed to the first bearing seat (9) and the second bearing seat (18); The first bearing seat (9) and the second bearing seat (18) are arranged in parallel, and a columnar main shaft (5) passes through the bearing holes of the two. The upper arm connecting rod (1) is arranged on the side of the base plate (6) and is parallel to the first bearing seat (9) and the second bearing seat (18). The main shaft (5) passes through the first shaft hole mounting portion.
3. The high-speed DC brushless barrier movement according to claim 2, characterized in that: The motor assembly specifically comprises: a planetary reducer (2) and a DC outer rotor motor (7), wherein the DC outer rotor motor (7) is arranged on a motor bracket (4), and the planetary reducer (2) is arranged on a flange (3), and the motor bracket (4) and the flange (3) are fixed together with the base plate (6).
4. The high-speed DC brushless barrier movement according to claim 3 is characterized in that: The planetary reducer (2) and a DC outer rotor motor (7) are packaged together as a whole.
5. A high-speed DC brushless barrier, characterized in that: include: The movement according to any one of claims 1 to 4.
Citation Information
Cited By
High-speed direct-current brushless barrier gate and machine core
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