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Shenyang Shenke Power Machinery Co,. Ltd.

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LZZ Type Elastic Pin-and-Block Coupling with Brake Wheel

The elastic pin-type gear coupling uses several pins made of non-metallic materials, which are inserted into mating holes between the two halves of the coupling and the inner surface of the outer ring. Torque is transmitted through these pins, thereby connecting the two halves of the coupling.

Detailed introduction

Product Features
The elastic pin-type gear coupling uses several non-metallic pins inserted into mating holes between the two halves of the coupling and the inner surface of the outer ring. Torque is transmitted through these pins, thereby connecting the two halves of the coupling. This coupling features the following characteristics:

It features high torque transmission, small size, light weight, easy maintenance, long service life, and requires no lubrication. However, this coupling has poor shock-absorbing performance and generates relatively high noise levels.

Application scenarios
The elastic pin-type gear coupling is suitable for transmission shaft systems with coaxial alignment and utilizes the shear strength of nylon rods in their longitudinal section. It can transmit very large torques, ranging from 0.112 to 2800 kN·m. Its operating temperature is between -20°C and 70°C, and it can partially replace gear couplings. It possesses a certain degree of axial misalignment compensation capability as well as general vibration-damping performance.
Its structural configuration is shown in Figure 8.2, and the technical parameters and main dimensions are listed in Table 8-2.

Figure 8.1 LZZ-type Elastic Pin-and-Tooth Coupling

Table 8-2: Technical Parameters and Main Dimensions of the LZZ Type Elastic Pin-and-Block Tooth Coupling with Brake Wheel

Model	Nominal torque Mr. kN·m	Permissible Rotational Speed [n] revolutions per minute	Shaft hole diameter d	Shaft hole length		D ₀	D	B	S	Moment of inertia kg · m²	Weight kilogram	Permissible compensation amount
				Y-shaped	J ₁ Type							Permissible compensation amount
				L								Radial mm	Axial mm	Angular direction 。
			mm									Radial mm	Axial mm	Angular direction 。
LZZ1	0.25	4500	16~38	38~60		160	98	70	2.5	0.018	5.82	0.15	1	0.5
LZZ2	0.63	3800	25~48	60~112		200	124	85	2.5	0.053	11.15	0.15	1
LZZ3	1.8	3000	40~70	84~142		250	166	105	3.0	0.181	28.09	0.2	3
LZZ4	4.5	2400	50~90	84~172		315	214	132	4	0.534	48.75
LZZ5	8	1900	60~95	107~172		400	240	170	4	1.404	76.51
LZZ6	11.2	1500	70~120	107~212		500	280	210	5	3.812	124.65		5
LZZ7	18	1200	80~130	132~252		630	330	265	5	10.674	216.43		5
LZZ8	25	1050	90~150	132~252		710	380	300	6	18.96	299.01	0.3	10
LZZ9	31.5	950	100~180	167~302		800	400	340	7	33.258	403.84	0.3	10

Note: 1. The weight and moment of inertia are calculated based on the Y/J1 shaft-hole combination type and the minimum shaft-hole dimension.
　　2. The short-term overload shall not exceed twice the nominal torque Tn.

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Lz-type Elastic Pin-and-Tooth Coupling

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Lz-type Elastic Pin-and-Tooth Coupling

LZZ Type Elastic Pin-and-Block Coupling with Brake Wheel

Shenyang Shenke Power Machinery Co,. Ltd.

Address: No. 34 Jia, Kaifa Avenue, Tiexi Economic and Technological Development Zone, Shenyang

Email:sincflex@vip.163.com

Phone:+86 24 25830257
Mobile phone:+86 15940017261

Fax: +86 24 25308993

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sincflex@vip.163.com

8615940017261

+862425830257