Discharging device for cross lap joint machine head

By installing a height adjustment device at the head frame of the scraper conveyor, the problem of proper overlap between the scraper conveyor and the transfer conveyor was solved, and the height of the head frame was made adjustable, which improved the coal unloading efficiency and reduced labor intensity.

CN223606637UActive Publication Date: 2025-11-28SHANDONG MINING MASCH GRP CO LTD
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Patent Information

Application Number
CN202422756699.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-11-28
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing equipment struggles to address the issue of proper connection between scraper conveyors and transfer conveyors, especially when there is a height difference between the thin coal seam working face and the transport roadway. Coal is not easily unloaded into the transfer conveyor, and the connection between the scraper conveyor head frame and the end support of the transport roadway is difficult to adjust.

Method used

A cross-overhead unloading device was designed, comprising a first height adjustment device and a second height adjustment device. The height of the head frame is adjusted by a height adjustment cylinder, a pad frame, and a locking structure to adapt to the drop between the thin coal seam working face and the transport roadway, ensuring smooth coal unloading.

Benefits of technology

The height of the machine head frame is adjustable, which can adapt to the drop requirements of thin coal seam working faces and transportation roadways, improve coal production efficiency, and reduce the labor intensity of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cross lap joint machine head unloading device which comprises a scraper and a reversed loader, the scraper comprises a machine head frame and a transition groove, a first height adjusting device is arranged below the position, where a chain wheel is installed, of the machine head frame, and the first height adjusting device comprises a first height adjusting oil cylinder, a first cushion frame, a first guide frame and a first locking structure; a second height adjusting device is arranged below the connecting position of the machine head frame and the transition groove, the second height adjusting device comprises a second height adjusting oil cylinder, a second cushion frame, a second guide frame and a second locking structure, the second height adjusting oil cylinder is connected between the second cushion frame and the second guide frame, and the second cushion frame is connected with the second guide frame in a sliding mode. The first height adjusting device and the second height adjusting device are used for adjusting the height of the headstock, so that the headstock meets the height difference requirement of a thin coal seam working face and a haulage roadway, the coal production efficiency is improved, and the labor intensity of operators is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining equipment technical field, concretely relates to a kind of cross lap machine head unloading device for scraper. BACKGROUND

[0002] With the progress of mechanization technology in underground thin coal seam, the reasonable lap unloading problem of scraper and transfer machine is more and more important.

[0003] Because of the difference between thin coal seam working face and transport roadway, many coal mines have the lap problem of scraper and transfer machine, and the existing equipment is difficult to solve this problem. If the discharge slot of scraper and transfer machine is not suitable, coal is not easy to unload into the transfer machine. There is a difference between thin coal seam working face and transport roadway, and the difference changes with the trend of working face at any time, which requires the height of scraper head frame from the bottom of transport roadway to be adjusted at any time. The connection of scraper head frame and transport roadway end support is also difficult to solve. SUMMARY

[0004] In view of the above problems, the technical problem to be solved by the utility model is to provide a cross lap machine head unloading device with adjustable height of scraper head frame to adapt to the height difference between thin coal seam working face and transport roadway.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] A cross lap machine head unloading device, comprising: a scraper and a transfer machine, the scraper comprising a head frame and a transition groove connected to the head frame, the transfer machine being located below the discharge part of the head frame,

[0007] A first height adjusting device is arranged below the part of the head frame where the chain wheel is installed, the first height adjusting device comprising a first height adjusting cylinder, a first pad frame, a first guide frame and a first locking structure, the first height adjusting cylinder being connected between the first pad frame and the first guide frame, the first pad frame and the first guide frame being slidingly connected, the first locking structure being used to lock the relative position of the first pad frame and the first guide frame, and the first guide frame being fixed to the head frame;

[0008] A second height adjusting device is arranged below the connection between the head frame and the transition groove, the second height adjusting device comprising a second height adjusting cylinder, a second pad frame, a second guide frame and a second locking structure, the second height adjusting cylinder being connected between the second pad frame and the second guide frame, the second pad frame and the second guide frame being slidingly connected, the second locking structure being used to lock the relative position of the second pad frame and the second guide frame, and the second guide frame being fixed to the head frame and the transition groove;

[0009] The first pad frame and the second pad frame are fixed on the bottom plate, and the transfer machine is supported on the bottom plate and located between the first pad frame and the second pad frame.

[0010] Preferably, the first locking structure comprises first pad frame locking holes arranged on the first pad frame, first guide locking holes arranged on the first guide frame and a first pin shaft, the first pad frame locking holes are vertically and uniformly arranged, the first guide locking holes are vertically and uniformly arranged, the first pad frame locking holes and the first guide locking holes are matched, and the first pin shaft is located in the corresponding first pad frame locking hole and first guide locking hole.

[0011] Preferably, the second locking structure comprises second pad frame locking holes arranged on the second pad frame, second guide locking holes arranged on the second guide frame and a second pin shaft, the second pad frame locking holes are vertically and uniformly arranged, the second guide locking holes are vertically and uniformly arranged, the second pad frame locking holes and the second guide locking holes are matched, and the second pin shaft is located in the corresponding second pad frame locking hole and second guide locking hole.

[0012] Preferably, the first height adjusting oil cylinder is provided with two.

[0013] Preferably, the second height adjusting oil cylinder is provided with two.

[0014] Preferably, the first pad frame and the second pad frame are respectively fixedly connected to the bottom plate.

[0015] Preferably, the bottom plate is fixedly connected with a pushing cross beam.

[0016] After the above technical scheme is adopted, the present application has the following beneficial effects:

[0017] The first height adjusting device is arranged below the position where the chain wheel is arranged on the machine head frame, and the second height adjusting device is arranged below the connection position between the machine head frame and the transition groove, the height of the machine head frame is adjusted by the first height adjusting device and the second height adjusting device, the machine head frame can meet the height difference requirement of the thin coal seam working face and the transportation roadway, the coal production efficiency is improved, and the labor intensity of the workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of an embodiment of the cross-lapping machine head unloading device of the present application;

[0019] Figure 2 is Figure 1 a top view structural schematic view of the cross-lapping machine head unloading device of the present application;

[0020] Figure 3 is Figure 1Structure schematic view of the first height adjusting device and the second height adjusting device;

[0021] Figure 4 Structure schematic view of the second locking structure;

[0022] In the figure: 1, a transfer machine; 2, a head frame; 3, a first height adjusting device; 31, a first height adjusting cylinder; 32, a first pad frame; 33, a first guide frame; 4, a second height adjusting device; 41, a second height adjusting cylinder; 42, a second pad frame; 421, a second pad frame locking hole; 43, a second guide frame; 431, a second guide locking hole; 5, a bottom plate; 6, a push beam; 7, a push seat; 8, a transition groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] As Figures 1-3 Commonly shown, a cross-lapping head unloading device, comprising: a scraper and a transfer machine 1, the scraper comprising a head frame 2 and a transition groove 8 connected with the head frame 2, the transfer machine 1 is located below the unloading part of the head frame 2;

[0025] The part below the head frame 2 installing the chain wheel is provided with a first height adjusting device 3, the first height adjusting device 3 includes a first height adjusting cylinder 31, a first pad frame 32, a first guide frame 33 and a first locking structure, the first height adjusting cylinder 31 is connected between the first pad frame 32 and the first guide frame 33, the first pad frame 32 and the first guide frame 33 are slidingly connected, the first locking device is used to lock the relative position of the first pad frame 32 and the first guide frame 33, and the first guide frame 33 is fixed on the head frame 2;

[0026] The part below the connection of the head frame 2 and the transition groove 8 is provided with a second height adjusting device 4, the second height adjusting device 4 includes a second height adjusting cylinder 41, a second pad frame 42, a second guide frame 43 and a second locking structure, the second height adjusting cylinder 41 is connected between the second pad frame 42 and the second guide frame 43, the second pad frame 42 and the second guide frame 43 are slidingly connected, the second locking structure is used to lock the relative position of the second pad frame 42 and the second guide frame 43, and the second guide frame 43 is fixed on the head frame 2 and the transition groove 8;

[0027] The first pad frame 32 and the second pad frame 42 are both fixed on the bottom plate 5, and the transfer machine 1 is supported on the bottom plate 5 and located between the first pad frame 32 and the second pad frame 42.

[0028] When the height of the machine head frame 2 is adjusted, the first height adjusting oil cylinder 31 and the second height adjusting oil cylinder 41 act synchronously, the first height adjusting oil cylinder 31 raises or lowers the height of the first guide frame 33, and the second height adjusting oil cylinder 41 raises or lowers the height of the second guide frame 43, so as to raise or lower the whole machine head frame 2, and make the machine head frame 2 meet the height requirement of the thin coal seam working face and the transport roadway, and then the relative position of the first pad frame 32 and the first guide frame 33 is locked by the first locking structure, and the relative position of the second pad frame 42 and the second guide frame 43 is locked by the second locking structure, and the height of the machine head frame 2 is locked.

[0029] As shown in Figure 4 The second locking structure includes second pad frame locking holes 421 arranged on the second pad frame 42, second guide locking holes 431 arranged on the second guide frame 43, and a second pin shaft, a plurality of second pad frame locking holes 421 are vertically and uniformly arranged, a plurality of second guide locking holes 431 are vertically and uniformly arranged, the second pad frame locking holes 421 and the second guide locking holes 431 are matched, when the height of the machine head frame 2 meets the height requirement of the thin coal seam working face and the transport roadway, the second pin shaft is inserted into the second pad frame locking holes 421 and the second guide locking holes 431 corresponding in position, and the relative position of the second pad frame 42 and the second guide frame 43 is locked.

[0030] The first locking structure includes first pad frame locking holes arranged on the first pad frame 32, first guide locking holes arranged on the first guide frame 33, and a first pin shaft, a plurality of first pad frame locking holes are vertically and uniformly arranged, a plurality of first guide locking holes are vertically and uniformly arranged, the first pad frame locking holes and the first guide locking holes are matched, and the first pin shaft is located in the first pad frame locking holes and the first guide locking holes corresponding in position. When the height of the machine head frame 2 meets the height requirement of the thin coal seam working face and the transport roadway, the first pin shaft is inserted into the first pad frame locking holes and the first guide locking holes corresponding in position, and the relative position of the first pad frame 32 and the first guide frame 33 is locked. The first locking structure is similar to the second locking structure, which will not be described in detail here.

[0031] The first height adjusting oil cylinder 31 and the second height adjusting oil cylinder 41 are respectively provided with two, two first height adjusting oil cylinders 31 are respectively located on both sides of the first pad frame 32, and there are two supporting points for the first guide frame 33, two second height adjusting oil cylinders 41 are respectively located on both sides of the second pad frame 42, and there are two supporting points for the second guide frame 43, and there are four supporting points for the machine head frame 2, which has a good supporting effect on the machine head frame 2, and can safely and stably raise the machine head frame 2.

[0032] Preferably, the first pad frame 32 and the second pad frame 42 are respectively welded to the bottom plate 5, and in other embodiments, bolt connection can also be used.

[0033] The bottom plate 5 is fixedly connected with a pushing cross beam 6, and the pushing cross beam 6 is connected with the roadway end support through a pushing seat 7, and cooperates with the end support to smoothly complete the pushing and pulling support function.

[0034] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are common knowledge of ordinary skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. An interlapped head end unloading device comprising: The scraper machine comprises a head frame and a transition tank connected with the head frame, and a transfer machine is arranged below the discharge part of the head frame. A first height adjusting device is arranged below the position where the head frame is installed with a chain wheel, the first height adjusting device comprises a first height adjusting oil cylinder, a first pad frame, a first guide frame and a first locking structure, the first height adjusting oil cylinder is connected between the first pad frame and the first guide frame, the first pad frame and the first guide frame are in sliding connection, and the first locking structure is used for locking the relative position of the first pad frame and the first guide frame. A second height adjusting device is arranged below the connection position of the head frame and the transition tank, the second height adjusting device comprises a second height adjusting oil cylinder, a second pad frame, a second guide frame and a second locking structure, the second height adjusting oil cylinder is connected between the second pad frame and the second guide frame, the second pad frame and the second guide frame are in sliding connection, and the second locking structure is used for locking the relative position of the second pad frame and the second guide frame. The first pad frame and the second pad frame are fixed on a bottom plate, and the transfer machine is supported on the bottom plate and located between the first pad frame and the second pad frame.

2. The cross-lap head unloader as defined in claim 1, wherein The first locking structure comprises first pad frame locking holes arranged on the first pad frame, first guide locking holes arranged on the first guide frame and a first pin shaft, a plurality of the first pad frame locking holes are vertically and uniformly arranged, a plurality of the first guide locking holes are vertically and uniformly arranged, the first pad frame locking holes and the first guide locking holes are matched, and the first pin shaft is located in the first pad frame locking holes and the first guide locking holes corresponding in position.

3. The cross-lap head unloader as defined in claim 1 wherein, The second locking structure comprises second pad frame locking holes arranged on the second pad frame, second guide locking holes arranged on the second guide frame and a second pin shaft, a plurality of the second pad frame locking holes are vertically and uniformly arranged, a plurality of the second guide locking holes are vertically and uniformly arranged, the second pad frame locking holes and the second guide locking holes are matched, and the second pin shaft is located in the second pad frame locking holes and the second guide locking holes corresponding in position.

4. The cross-lap head unloader as defined in claim 1 wherein, The first height adjusting oil cylinder is provided with two.

5. The cross-lap head unloader as defined in claim 1 wherein, The second height adjusting oil cylinder is provided with two.

6. The cross-lap head unloader as defined in claim 1 wherein, The first pad frame and the second pad frame are respectively fixedly connected to the bottom plate.

7. The cross-lap head unloader as defined in claim 1 wherein, The bottom plate is fixedly connected with a pushing cross beam.