SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
  • Clamp Coupling

Clamp Coupling

The JQ/JQW type clam coupling is used for the connection of the stirring shaft of the reactor that is too long and is manufactured in two stages. If the output shaft of the vertical reducer is connected with the stirring shaft of the reactor, the clamp coupling is used. When ordering, it should be put forward so that non-standard requirements can be applied to the size of the output shaft.


The JQ/JQW clamp coupling utilizes two axially split clamp shells, which are clamped with bolts to realize the two-axis connection, and the torque is transmitted by the friction between the two halves of the coupling surface, and the flat key is used as an auxiliary link.


The JQ/JQW clamp coupling does not need to move the shaft axially when assembling and disassembling, so it is very convenient to assemble and disassemble. The disadvantage of the clamp coupling is that the centering accuracy of the two shafts is low, the structure and shape are relatively complicated, the manufacturing and the balance accuracy are low, and it is only suitable for low-speed and stable load occasions. Usually, the linear velocity of the larger outer edge is not greater than 5m/s. When the linear velocity exceeds 5m/s, a balance check is required.


In order to balance the situation, the bolts should be installed in positive and negative phases. Clamp couplings do not have axial, radial and angular compensation performance.


The characteristics of JQ/JQW type clamp coupling are similar to those of shell coupling, simple structure, convenient assembly and disassembly, suitable for low speed, no impact, stable vibration load occasions, suitable for the connection of vertical shafts such as agitators.

Advantages of Clamp Coupling

JQ/JQW type clamp coupling is composed of two shells split along the axial direction, mainly including single groove and double groove, with keyway and without keyway, single groove with single hole diameter and double hole diameter, providing high torque grip without damaging the shaft face. The double-groove rigid coupling is convenient for disassembly and maintenance without moving other parts. The screws of the double-groove rigid coupling are reversible, which can maintain dynamic balance. The raw materials include aluminum, carbon steel and stainless steel, with various models and specifications, and double-bore couplings with one metric end and the other imperial end can also be customized according to the special requirements of customers.


Disadvantages of Clamp Coupling

The disadvantages of the JQ/JQW type clamp coupling are the low centering accuracy of the two shafts, the complex structure and shape, and the low manufacturing and balancing accuracy. They are only suitable for low-speed and stable load occasions. The speed is not greater than 5m/s. When the line speed exceeds 5m/s, a balance check is required. The shaft does not need to move axially when the clamp coupling is assembled and disassembled, so it is very convenient to assemble and disassemble. In order to balance the situation, the bolts should be installed forward and backward. Clamp couplings do not have axial, radial and angular compensation performance.


Technical Specification of Clamp Coupling

Calibration symbol

Aperture

Mmax

D

L

L1

(H8/j7)

L2

L0

n-d0

d1

(H11/h11)

d2

(H11)

a1

(H11)

b1

l1

l2

R

f

b

t

Weight

(kg)

JQ-25

25

90

95

110

20

45

58

4-12

32

20

5

4

35

60

0.2

0.4

8

28.3

4.47

JQ-30

30

90

102

130

20

55

64

4-14

38

25

5

4

45

70

0.2

0.4

8

33.3

4.47

JQ-35

35

236

118

162

20

71

80

6-14

43

30

5

4

55

85

0.4

0.6

10

38.3

7.60

JQ-40

40

236

118

162

20

71

80

6-14

48

35

5

6

55

85

0.4

0.6

12

43.3

7.60

JQ-45

45

530

135

190

24

83

94

6-14

57

37

6

5

70

100

0.4

0.6

14

48.8

10.85

JQ-50

50

530

135

190

24

83

94

6-14

62

42

6

5

70

100

0.4

0.6

14

53.8

10.85

JQ-55

55

530

135

190

24

83

94

6-14

67

47

6

5

70

100

0.6

1

16

59.3

10.85

JQ-60

60

1400

172

250

30

110

124

8-18

73

50

8

6

100

130

0.6

1

18

64.4

25.06

JQ-65

65

1400

172

250

30

110

124

8-18

78

55

8

6

100

130

0.6

1

18

69.4

25.06

JQ-70

70

1400

172

250

30

110

124

8-18

83

60

8

6

100

130

0.6

1

20

74.9

25.06

JQ-80

80

2650

185

280

38

131

138

8-18

94

7

10

8

110

145

0.6

1

22

85.4

30.16

JQ-85

85

2650

185

280

38

121

138

8-18

99

75

10

8

110

145

0.6

1

22

90.4

30.16

JQ-90

90

5200

230

330

38

146

164

8-23

105

80

10

8

140

170

0.6

1

25

95.4

56.38

JQ-95

95

5200

230

330

38

146

164

8-23

110

85

10

8

140

170

0.6

1

25

100.4

56.38

JQ-100

100

5200

230

330

38

146

164

8-23

115

90

10

8

140

170

0.6

1

28

106.4

56.38

JQ-105

105

5200

230

330

38

146

164

8-23

120

95

10

8

140

170

0.6

1

28

111.4

56.38

JQ-110

110

9000

260

390

46

172

190

8-23

125

100

12

10

160

200

0.6

1

28

116.4

90

JQ-115

115

9000

260

390

46

172

190

8-23

130

105

12

10

160

200

0.6

1

32

122.4

90

JQ-120

120

9000

260

390

46

172

190

8-23

135

110

12

10

160

200

0.6

1

32

127.4

90

JQ-125

125

15000

280

440

54

193

210

10-23

140

115

14

12

180

225

0.6

1

32

132.4

125

JQ-130

130

15000

280

440

54

193

210

10-23

146

118

14

12

180

225

0.6

1

32

137.4

125

JQ-140

140

15000

300

440

54

193

230

10-23

158

128

14

12

180

225

0.6

1

36

148.4

125

JQ-150

150

28000

340

500

64

218

260

10-33

170

134

16

14

200

255

0.6

1

36

158.4

215

JQ-160

160

28000

340

500

64

218

260

10-33

180

144

16

14

200

255

0.6

1

40

169.4

215

JQ-180

180

31000

380

560

72

244

300

10-33

200

162

18

16

240

285

1

1.5

45

190.4

350

JQ-200

200

33750

420

640

80

280

340

10-33

220

182

20

18

270

325

1

1.5

45

210.4

516


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