Novel connecting rod mechanism
By designing the zigzag connecting rod frame and joint bearing assembly, the structure of the top guard plate of the rail transit vehicle passage is simplified, the high failure rate and low safety problems caused by the complex structure in the prior art are solved, efficient assembly and maintenance are achieved, and service life is extended.
Patent Information
- Application Number
- CN202422500945.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The connecting rod composition of the top guard plate of the existing rail transit vehicles has a complex structure, resulting in high failure rate, low safety, low joint bearing replacement efficiency, and low maintenance and assembly efficiency.
The structure is simplified by using a zigzag connecting rod frame and joint bearing assembly, and the joint bearing assembly is used to replace the connecting rod joint and joint bearing, and is connected by nuts and horizontal shafts to simplify the installation steps and improve reliability.
It reduces the failure rate, improves the safety performance and assembly efficiency of the top guard plate device, extends the service life, and reduces the cost of repair and replacement.
Smart Images

Figure CN223200056U_ABST
Abstract
Description
Technical field:
[0001] The utility model belongs to the technical field of rail transportation equipment, and specifically relates to a novel connecting rod mechanism for constructing a through-passage top guard plate device, which can improve the safety performance of the top guard plate device and reduce the failure rate. Background technology:
[0002] A gangway is an internal passage that allows passengers to move freely from one carriage to another on a rail transit vehicle and makes them feel safe and comfortable. The roof guard is one of the important components of the gangway. The roof guard is used on the inner top of the connection between two vehicles or carriages to protect the safety of passengers and provide decorative effects. The top guard plate composition mainly includes an intermediate top plate composition, a side top guard plate composition and a connecting rod composition. For example, Chinese Patent 202120700990.5 discloses a lightweight top guard plate for a through-channel, comprising: two side top plate assemblies, an intermediate top plate assembly, and a connecting rod assembly connecting the side top plate assemblies and the intermediate top plate. The connecting rod assembly is a double diamond bracket structure. The two ends of the connecting assembly are each connected to a support beam of a top plate assembly. The center connection point of the connecting rod assembly is connected to the intermediate support beam by a bolt. The joint pin in the connecting rod assembly is a riveted structure. The end of the connecting rod assembly is connected to a pressure block through a threaded stud. One side of the pressure block is in contact with the side top plate. A spring is provided on the threaded stud. One end of the spring is against the other side of the pressure block. Open pin holes are provided at both ends of the bolt on the center connection point of the connecting assembly, and a pin is provided in the open pin hole. Chinese Patent No. 201910112215.5 discloses a vehicle tunnel roof guard device, the main structure of which includes a side roof plate, a mounting seat, an intermediate roof plate, a fixed connecting rod, a sliding connecting rod, a spherical bearing, a buffer pad, and an adjustment gasket; the main structure of the fixed connecting rod includes a No. 1 long connecting rod, an intermediate mounting seat, a No. 1 short connecting rod, a No. 1 end mounting seat, a No. 1 fastener, a No. 1 anti-loosening washer, a No. 1 connecting block, a No. 1 nylon gasket, a No. 1 metal gasket, a No. 1 stop pin, a No. 1 connecting shaft, a No. 1 shaft sleeve, and a No. 1 adjustment gasket;The centers of the two No. 1 long connecting rods are connected to the middle mounting seat, the two ends of the No. 1 long connecting rods are respectively connected to the No. 1 short connecting rods, and the ends of the two No. 1 short connecting rods are connected to the No. 1 end mounting seat. The two No. 1 long connecting rods and the four No. 1 short connecting rods form a double diamond structure. When the No. 1 long connecting rod is connected to the middle mounting seat, the No. 1 fastener connects the No. 1 anti-loosening washer, the No. 1 connecting block, the No. 1 adjustment gasket, the two No. 1 long connecting rods and the middle mounting seat in sequence from top to bottom. A No. 1 nylon gasket is provided between the No. 1 connecting block and the upper No. 1 long connecting rod and between the lower No. 1 long connecting rod and the middle mounting seat. A No. 1 metal gasket and a No. 1 nylon gasket are provided between the two No. 1 long connecting rods from top to bottom. The upper No. 1 long connecting rod is connected to the No. 1 nylon washer and the No. 1 metal washer through the No. 1 stop pin respectively, and the lower No. 1 long connecting rod is connected to the No. 1 nylon washers on its upper and lower sides respectively through the No. 1 stop pin. When the No. 1 long connecting rod is connected to the No. 1 short connecting rod, taking the No. 1 long connecting rod on the top and the No. 1 short connecting rod on the bottom as an example, the No. 1 fastener connects the No. 1 anti-loosening washer, No. 1 connecting block, No. 1 adjusting washer, No. 1 long connecting rod, No. 1 short connecting rod and No. 1 connecting shaft from top to bottom in sequence. A No. 1 nylon washer is provided between the No. 1 connecting block and the No. 1 long connecting rod and between the No. 1 short connecting rod and the No. 1 connecting shaft. A No. 1 metal washer and a No. 1 are provided between the No. 1 long connecting rod and the No. 1 short connecting rod from top to bottom in sequence. No. nylon gasket, No. 1 long connecting rod is connected to No. 1 nylon gasket and No. 1 metal gasket respectively through No. 1 stop pin, No. 1 short connecting rod is connected to No. 1 nylon gasket on its upper and lower sides respectively through No. 1 stop pin, No. 1 long connecting rod is at the bottom, No. 1 short connecting rod is at the top. Similarly, when the short connecting rod is connected to the end mounting seat, No. 1 fastener connects No. 1 anti-loosening washer, No. 1 connecting block, No. 1 adjustment gasket, two No. 1 short connecting rods and end mounting seat in sequence from top to bottom, No. 1 nylon gasket is arranged between No. 1 connecting block and the upper No. 1 short connecting rod and between the lower No. 1 short connecting rod and the end mounting seat, No. 1 metal gasket and No. 1 nylon gasket are arranged between the two No. 1 short connecting rods from top to bottom in sequence, The upper No. 1 short connecting rod is connected to the No. 1 nylon gasket and the No. 1 metal gasket respectively through the No. 1 stop pin, and the lower No. 1 short connecting rod is connected to the No. 1 nylon gaskets on its upper and lower sides respectively through the No. 1 stop pin, and a No. 1 shaft sleeve is provided between the No. 1 long connecting rod and the No. 1 fastener and between the No. 1 short connecting rod and the No. 1 fastener. A No. 1 nylon gasket is provided between the No. 1 fastener and the bottom of the No. 1 connecting block. The main structure of the sliding connecting rod includes a No. 2 long connecting rod, an intermediate mounting seat, a No. 2 short connecting rod, a No. 2 end mounting seat, a No. 2 fastener, a No. 2 anti-loosening washer, a No. 2 connecting block, a No. 2 nylon gasket, a No. 2 metal gasket, a No. 2 stop pin, a No. 2 connecting shaft, a No. 2 shaft sleeve and a No. 2 adjusting gasket;The centers of the two No. 2 long connecting rods are connected to the middle mounting seat, the two ends of the No. 2 long connecting rods are respectively connected to the No. 2 short connecting rods, and the ends of the two No. 2 short connecting rods are connected to the No. 2 end mounting seat. The two No. 2 long connecting rods and the four No. 2 short connecting rods form a double diamond structure. When the No. 2 long connecting rod is connected to the middle mounting seat, the No. 2 fasteners connect the No. 2 anti-loosening washers, No. 2 connecting blocks, No. 2 adjusting washers, two No. 2 long connecting rods and the middle mounting seat from top to bottom. No. 2 nylon washers are provided between the No. 2 connecting block and the upper No. 2 long connecting rod and between the lower No. 2 long connecting rod and the middle mounting seat. The two No. 2 A No. 2 metal gasket and a No. 2 nylon gasket are arranged between the No. 2 long connecting rods from top to bottom. The No. 2 long connecting rod on the top is connected to the No. 2 nylon gasket and the No. 2 metal gasket respectively through the No. 2 stop pin, and the No. 2 long connecting rod on the bottom is connected to the No. 2 nylon gasket on its upper and lower sides respectively through the No. 2 stop pin. When the No. 2 long connecting rod is connected to the No. 2 short connecting rod, taking the No. 2 long connecting rod on the top and the No. 2 short connecting rod on the bottom as an example, the No. 2 fasteners connect the No. 2 anti-loosening washers, the No. 2 connecting blocks, the No. 2 adjusting gaskets, the No. 2 long connecting rod, the No. 2 short connecting rod and the No. 2 connecting shaft from top to bottom. There is a gap between the No. 2 connecting block and the No. 2 long connecting rod and between the No. 2 short connecting rod and the No. 2 There is a No. 2 nylon gasket between the No. 2 connecting shafts, and a No. 2 metal gasket and a No. 2 nylon gasket are arranged between the No. 2 long connecting rod and the No. 2 short connecting rod from top to bottom. The No. 2 long connecting rod is connected to the No. 2 nylon gasket and the No. 2 metal gasket respectively through the No. 2 stop pin, and the No. 2 short connecting rod is connected to the No. 2 nylon gaskets on its upper and lower sides respectively through the No. 2 stop pin. The No. 2 long connecting rod is at the bottom and the No. 2 short connecting rod is at the top. When the No. 2 short connecting rod is connected to the No. 2 end mounting seat, the No. 2 fasteners connect the No. 2 anti-loosening washers, the No. 2 connecting block, the No. 2 adjusting gaskets, the two No. 2 short connecting rods and the No. 2 end mounting seat from top to bottom. A No. 2 nylon gasket is provided between the block and the No. 2 short connecting rod on top, and between the No. 2 short connecting rod on the bottom and the No. 2 end mounting seat. A No. 2 metal gasket and a No. 2 nylon gasket are provided between the two No. 2 short connecting rods from top to bottom. The No. 2 short connecting rod on the top is connected to the No. 2 nylon gasket and the No. 2 metal gasket respectively through the No. 2 stop pin. The No. 2 short connecting rod on the bottom is connected to the No. 2 nylon gasket on its upper and lower sides through the No. 2 stop pin. A No. 2 shaft sleeve is provided between the No. 2 long connecting rod and the No. 2 fastener, and between the No. 2 short connecting rod and the No. 2 fastener. A No. 2 nylon gasket is provided between the No. 2 fastener and the bottom of the No. 2 connecting block. The connecting rod assembly is a key component. However, the structure of the connecting rod assembly in the above-mentioned patented product and the prior art is complex, resulting in a high failure rate of the top guard plate, low safety, and low efficiency in replacing the joint bearing. Therefore, it is necessary to develop and design a new type of connecting rod mechanism that can improve the safety performance of the top guard plate, reduce the failure rate, and improve the assembly efficiency and maintenance efficiency of the top guard plate through a reliable connection method. Summary of the invention:
[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology, develop and design a new connecting rod mechanism, extend the service life of the top guard plate device, reduce maintenance and replacement costs, and improve the top plate assembly efficiency and maintenance efficiency.
[0004] In order to achieve the above-mentioned purpose, the main structure of the novel connecting rod mechanism involved in the utility model includes a connecting rod frame and a set of joint bearing assemblies arranged at the opposite corners and a through hole arranged at the center;
[0005] The connecting rod frame is a Japanese-shaped structure, consisting of two connecting rods No. 1 and No. 2 and one connecting rod No. 3, with a through hole set in the center of the No. 3 connecting rod;
[0006] The main structure of the spherical bearing assembly includes a rod end spherical bearing, a nut arranged at its bottom end, a transverse shaft arranged at its top end, and a fixing frame arranged at the end of the transverse shaft.
[0007] The fixing frame involved in the utility model is an "X" shaped structure.
[0008] When a new type of connecting rod mechanism involved in this embodiment is used, two connecting rod frames are fixed at the two ends of the middle top guard plate composition, and then the diagonals of the connecting rod frames are connected to the side top guard plate compositions, so that the middle is the middle top guard plate composition and the two sides are the side top guard plate compositions. The two are connected into an integrated top guard plate device through the connecting rod frame, which is installed on the top of the through-passage to decorate the through-passage while ensuring the safety of passengers passing through the vehicle connection.
[0009] Compared with the prior art, the utility model uses a joint bearing assembly to replace the connecting rod joint and the joint bearing, which simplifies the overall structure, reduces the installation steps, is easy to replace and repair, improves the safety performance of the top guard plate device, reduces the failure rate, improves the assembly efficiency and maintenance efficiency of the top guard plate device, extends the service life of the top guard plate device, and reduces the maintenance and replacement costs; its structure is simple and the connection method is reliable. By ensuring the safety performance of the top guard plate device, the passage safety of the through passage is improved. Description of the drawings:
[0010] Figure 1 This is a schematic diagram of the main structural principle of the utility model.
[0011] Figure 2 This is an exploded view of the main structure of the utility model.
[0012] Figure 3 This is a schematic diagram of the use state of the utility model. Specific implementation method:
[0013] The present invention will be further described below with reference to the accompanying drawings and specific implementation methods.
[0014] Example 1:
[0015] The main structure of a new type of connecting rod mechanism involved in this embodiment is as follows Figure 1-2 As shown, it includes a No. 1 connecting rod 1, a No. 2 connecting rod 2, a No. 3 connecting rod 3, a joint bearing assembly 4 and a through hole 5; two No. 1 connecting rods 1 and No. 2 connecting rods 2 cooperate with one No. 3 connecting rod 3 to form a connecting rod frame 10 with a Japanese-shaped structure. A set of vertical angles of the connecting rod frame 10 are connected by the joint bearing assembly 4, and the remaining connections are all bolted. A through hole 5 is opened in the center of the No. 3 connecting rod 3;
[0016] Among them, the main structure of the joint bearing assembly 4 includes a rod end joint bearing 41, a nut 42, a transverse shaft 43 and a fixing frame 44. The bottom end of the rod end joint bearing 41 is connected to the nut 42, and the top end is passed through a transverse shaft 43, and a fixing frame 44 is provided at the end of the transverse shaft 43.
[0017] When a new type of connecting rod mechanism is used, Figure 3 As shown:
[0018] First, fix the two connecting rod frames 10 to the two ends of the middle top guard plate assembly 20 through the through holes 5;
[0019] Then, the connecting rod frame 10 and the two side top guard plates 30 are connected together through the fixing frame 44;
[0020] Finally, the middle top guard plate assembly 20 and the side top guard plate assembly 30 are adjusted to obtain a top guard plate device that is applied to the top, wherein the middle top guard plate assembly 20 and the side top guard plate assembly 30 are in different horizontal planes.
Claims
1. A new type of connecting rod mechanism, characterized in that: The main structure includes a connecting rod frame 10 and a set of joint bearing assemblies arranged at opposite corners. The main structure of the joint bearing assembly includes a rod end joint bearing, a nut arranged at the bottom end and a transverse shaft arranged at the top end.
2. The novel connecting rod mechanism according to claim 1, characterized in that: The main structure also includes a through hole arranged at the center of the connecting rod frame.
3. The novel connecting rod mechanism according to claim 1 or 2, characterized in that: A fixing frame is provided at the end of the horizontal axis.
4. The novel connecting rod mechanism according to claim 3, characterized in that: The connecting rod frame is a Japanese-shaped structure, consisting of two No. 1 connecting rods and a No. 2 connecting rod and a No. 3 connecting rod.
5. The novel connecting rod mechanism according to claim 4, characterized in that: The through hole is arranged at the center of the third connecting rod.
6. The novel connecting rod mechanism according to claim 3, characterized in that: The fixing frame is an "X"-shaped structure.
Citation Information
Patent Citations
Vehicle through passage top protective plate device
CN109760703A
Light-weight top guard plate for through channel
CN214450945U