Introduction
Acrow Prop Hydraulic Jack is a hydraulic support column used to lift and hold the roof in underground coal mining operations.
Applications
1.Coal mining face
Installed between the floor and roof to provide temporary roof holding during coal extraction.
2.Roadway support
Set under the roof in roadways to maintain roof stability during excavation and advance.
3.Maintenance operations
Positioned at the work area to hold the roof while equipment is serviced or repaired.
4.Support relocation
Used as mobile support when advancing or shifting support positions.
Company Services
1.Local After-Sales Coverage
Service staff are arranged by sales region, with on-site support where products are delivered.
2.Pre-Sales Selection Support
Model selection and basic scheme matching are provided based on project conditions.
3.Operation Guidance
On-site instruction and ground operation demonstrations are available for operators.
FAQ
Q: Where is your factory located?
Me: Our factory is in Boshan District, Zibo City, Shandong Province
Q: Are you a trading company or a factory?
Me: We are a factory, warmly welcome you to visit our factory
Q: What do you need for a detailed quotation?
Me: Please tell me the product model you need, the number of products, the requirements for the surface treatment of the product, etc.
Q: How about your technical level?
Me: We focus on the production of coal mine support products for many years, with rich experience in research and development, we are the first manufacturer in the country to obtain the safety standard of five-meter single hydraulic pillar, and Shandong University of Technology jointly develop intelligent mining equipment, at the same time in 2025 we also help Dongtai Group to develop the required six-meter single hydraulic pillar.
Q: Do you have a safety certificate for your products?
Me: Our products have a national certification safety certificate.
Q: How do you guarantee the quality of your products?
Me: Each of our products needs to be inspected for quality before leaving the factory, and our products are closely related to the lives of coal miners, so we strive to make the best product quality.
Q: Can you provide customization, modification drawings and other requirements?
Me: Of course, if you need, we will modify our products according to your requirements and the actual situation of the coal mine.
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|
Model |
Max |
min |
Working stroke |
Rated working |
weight |
Rated working |
Pump |
Initial |
Bore diameter |
Woek liquid |
|
DW45--250/110X |
4500 |
2520 |
1980 |
250 |
109 |
28.2 |
15～ |
132.3～ |
110 |
Emulsioncontaining |
|
DW42--250/110X |
4200 |
2360 |
1840 |
101 |
||||||
|
DW40--250/110X |
4000 |
2250 |
1750 |
95 |
||||||
|
DW38--250/110X |
3800 |
2140 |
1660 |
89 |
||||||
|
DW35--300/110X |
3500 |
1980 |
1520 |
300 |
75.5 |
34 |
||||
|
DW31.5--300/110X |
3150 |
1800 |
1350 |
67 |
||||||
|
DW28--350/110X |
2800 |
1620 |
1180 |
350 |
61.1 |
39.7 |
||||
|
DW25--350/110X |
2500 |
1450 |
1050 |
57.5 |
||||||
|
DW22--350/110X |
2240 |
1300 |
940 |
52.5 |
||||||
|
DW20--350/110X |
2000 |
1170 |
830 |
48 |
||||||
|
DW18--350/110X |
1800 |
1055 |
745 |
44.5 |
||||||
|
DW16--350/110X |
1600 |
940 |
660 |
41 |
||||||
|
DW14--350/110X |
1400 |
830 |
570 |
37.5 |
||||||
|
DW12--350/110X |
1200 |
720 |
480 |
33 |
||||||
|
DW10--350/110X |
1000 |
615 |
385 |
29.5 |
||||||
|
DW08--350/110X |
800 |
510 |
290 |
25.5 |
||||||
|
DW06-350/110X |
630 |
420 |
210 |
23 |
||||||
|
DW35-350/110XH |
3500 |
1980 |
1520 |
208.6 |
||||||
|
DW31.5-350/110XH |
3150 |
1800 |
1350 |
190 |
