Coal sample cutting holder
By designing an adjustable frame and clamping mechanism for the coal sample cutting clamp, the problems of unstable clamping and insufficient safety distance in the existing technology are solved. This enables stable clamping and safe cutting of coal samples of different sizes, reduces operational risks, and features a simple structure and low cost.
Patent Information
- Application Number
- CN202520440258.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing coal sample cutting devices suffer from unstable clamping and insufficient safety distance, resulting in unstable cutting trajectories and posing safety risks.
A coal sample cutting clamp was designed, comprising a frame, a movable clamping plate, and a clamping mechanism. Through the adjustable frame structure and multiple clamping mechanisms, stable clamping of coal samples of different sizes and an increased safety distance are achieved, ensuring the stability of the cutting trajectory.
It achieves stable clamping of coal samples of different sizes, increases the safety distance, ensures the stability of the cutting trajectory, reduces operational risks, has a simple structure, low cost, and is easy to promote.
Smart Images
Figure CN223947732U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a coal sample cutting holder belongs to coal sample cutting preparation technical field. BACKGROUND
[0002] The cutting preparation of coal sample is the most critical link before coal sample experiment. The existing coal sample crusher and pulverizer have certain requirements on the size of coal sample before feeding, and the coal sample in some areas is hard, large and not easy to break, if the sample end face needs to be cut and processed, the cutting machine must be used for operation. The traditional method for cutting coal sample is that the operator directly pushes the coal sample forward by pressing the coal sample with both hands, and in order to ensure the stability of the cutting track, the hand often has a large moving distance, and the distance from the cutting piece is close, which has certain safety risk. Although the cutting machine at present stage has many improved devices, there is a coal sample clamping device, but the size of coal sample is uncertain, the clamping device is unstable and cannot be clamped due to the size mismatch of coal sample. Through continuous summary in work, the core and key of the coal sample clamping device are stable clamping of sample and extension of safe distance. How to ensure that the cutting track is still stable when the coal block is pushed forward for cutting after the safe operation distance is increased is the core problem. CONTENT OF THE UTILITY MODEL
[0003] In view of the defects of the prior art, the purpose of the utility model is to provide a coal sample cutting holder which is stable in clamping, large in clamping range and stable in cutting track.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme, a coal sample cutting holder, comprising a frame, a movable clamping plate and a jacking mechanism, the frame comprises a main plate, a first side plate and a second side plate, the first side plate and the second side plate are perpendicular to the main plate, and the side edges are respectively fixed together with the two sides of the main plate, and the shape is concave, the movable clamping plate is located inside the frame and parallel to the two side plates, and the second side plate and the movable clamping plate are connected through the jacking mechanism.
[0005] The jacking mechanism comprises a first nut, a sliding rod, a second nut and a jacking rod;
[0006] The first nut is fixed on one side of the movable clamping plate facing the second side plate and located at the center position, a first through hole is formed in the corresponding position of the second side plate, one end of the sliding rod is provided with a thread, the other end is connected with a limiting block, the sliding rod is slidingly connected in the first through hole, and the end with the thread is threadedly connected with the first nut;
[0007] The upper and lower sides of the first through hole of the second side plate are respectively provided with a second through hole, two second nuts are respectively fixed in the second through holes, and two top rods are respectively inserted into the second through holes and abut against the movable clamping plate, the two top rods are respectively provided with threads and are screwed with the corresponding second nuts, and the outer ends of the two top rods are respectively provided with handles.
[0008] The second nut and the top rod in the tightening mechanism are replaced by a first clamping piece and a second clamping piece, the side edge of the first clamping piece is fixed on the first through hole of the second side plate, the second clamping piece is movably arranged opposite to the first clamping piece, the slide rod is a round rod and is located between the first clamping piece and the second clamping piece, the middle portions of the first clamping piece and the second clamping piece are both arc-shaped and matched with the surface of the slide rod, and the second clamping piece is connected with the first clamping piece through two groups of upper and lower bolts and nuts and clamps the slide rod.
[0009] The frame body is a split structure and can be adjusted, the main plate comprises a first L-shaped plate and a second L-shaped plate which are overlapped together, a plurality of first adjusting holes are formed on the overlapped portions, a plurality of bolts are inserted through the first adjusting holes and matched with nuts to fix the first L-shaped plate and the second L-shaped plate together, the first side plate is overlapped with the side surface of the first L-shaped plate, a plurality of second adjusting holes are formed on the overlapped portion, a plurality of bolts are inserted through the second adjusting holes and matched with nuts to fix the first side plate and the first L-shaped plate together, the second side plate is overlapped with the side surface of the second L-shaped plate, and a plurality of third adjusting holes are formed on the overlapped portion, a plurality of bolts are inserted through the third adjusting holes and matched with nuts to fix the second side plate and the second L-shaped plate together.
[0010] The surfaces of the main plate, the first side plate and the movable clamping plate which are in contact with the coal sample are all covered with rubber.
[0011] The main plate is fixed with a handle.
[0012] The bottom portions of the first side plate and the second side plate are respectively fixed with a connecting lug, and the connecting lug is fixed to the table surface of the cutting machine through the through hole in the connecting lug and matched with a nut.
[0013] Compared with the prior art, the utility model has the following beneficial effects.
[0014] 1. The two kinds of tightening mechanisms can conveniently and reliably clamp the coal sample, can adapt to coal samples of different sizes to a certain extent, the handle arranged on the main plate is convenient for the operator to hold, the safety distance is increased, and the cutting track can be kept stable.
[0015] 2. The size of the frame body can be adjusted through the first adjusting hole, the second adjusting hole and the third adjusting hole, the adaptability to coal samples of different sizes is further increased, and the application range is large.
[0016] 3. The utility model has the advantages of simple structure, low cost, convenient use, high acceptance of the operator and easy popularization. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0018] Figure 1 Structure diagram of the present application embodiment one.
[0019] Figure 2 Structure diagram of the present application embodiment one.
[0020] Figure 3 Structure diagram of the present application embodiment two.
[0021] Figure 4 Exploded view of the present application embodiment two.
[0022] Figure 5 Structure diagram of the present application embodiment two.
[0023] Figure 6 Structure diagram of the present application embodiment three.
[0024] Figure 7 Exploded view of the present application embodiment three.
[0025] Figure 8 Structure diagram of the present application embodiment three.
[0026] In the figure: 1 is a frame, 11 is a main plate, 111 is a first L-shaped plate, 112 is a second L-shaped plate, 113 is a first adjusting hole, 114 is a second adjusting hole, 115 is a third adjusting hole, 12 is a first side plate, 13 is a second side plate, 2 is a movable clamping plate, 3 is a tightening mechanism, 31 is a first nut, 32 is a sliding rod, 33 is a second nut, 34 is a top rod, 35 is a limiting block, 36 is a handle, 37 is a first clamping piece, 38 is a second clamping piece, 4 is a first through hole, 5 is a second through hole, 6 is a handle, 7 is a connecting lug. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application are described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0028] It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings of this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this utility model, provided that it does not affect the effects and purposes that this utility model can produce. It should be noted that in this specification, relational terms such as "first" and "second" are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.
[0029] The present invention provides the following embodiments.
[0030] Example 1
[0031] like Figure 1 As shown, this utility model discloses a coal sample cutting clamp, including a frame 1, a movable clamping plate 2, and a tightening mechanism 3. The frame 1 includes a main plate 11, a first side plate 12, and a second side plate 13. The first side plate 12 and the second side plate 13 are both perpendicular to the main plate 11, and their sides are fixed to the two sides of the main plate 11 respectively, forming a concave shape. The movable clamping plate 2 is located inside the frame 1 and is parallel to the two side plates. The second side plate 13 is connected to the movable clamping plate 2 through the tightening mechanism 3.
[0032] like Figure 2 As shown, the tightening mechanism 3 includes a first nut 31, a sliding rod 32, a second nut 33, and a push rod 34;
[0033] The first nut 31 is fixed on the side of the movable clamping plate 2 facing the second side plate 13 and located in the center. The second side plate 13 has a first through hole 4 at the corresponding position. One end of the slide rod 32 is threaded and the other end is connected to the limiting block 35. The slide rod 32 is slidably connected in the first through hole 4, and the threaded end is threaded to the first nut 31.
[0034] The second side plate 13 has a second through hole 5 above and below the first through hole 4. Two second nuts 33 are fixed at one of the second through holes 5. Two push rods 34 pass through one of the second through holes 5 and press against the movable clamping plate 2. Both push rods 34 are threaded and threaded to the corresponding second nuts 33. Handles 36 are fixed to the outer ends of both push rods 34.
[0035] The surfaces of the main board 11, the first side plate 12, and the movable clamping plate 2 that come into contact with the coal sample are all covered with rubber.
[0036] The handle 6 is fixed on the main plate 11.
[0037] The first side plate 12 and the second side plate 13 are respectively fixed with a connecting lug 7, and a bolt passes through a through hole of the connecting lug 7 to cooperate with a nut to fix the cutting machine table together.
[0038] In use, the utility model is placed on the cutting machine table, and the coal sample is placed in the frame body 1, the sliding rod 32 is pushed to drive the movable clamping plate 2 to abut against the coal sample, the two top rods 34 are rotated to tightly top the movable clamping plate 2, the coal sample is clamped, then the handle 6 is held to push the utility model together with the coal sample to cut, or the utility model is fixed on the cutting machine table through the connecting lug 7, and the cutting blade is pushed to cut.
[0039] Example two
[0040] As shown in the figure, the utility model discloses a coal sample cutting and clamping device, which comprises a frame body 1, a movable clamping plate 2 and a tightening mechanism 3. Figure 3 The first side plate 12 and the second side plate 13 are respectively fixed with a connecting lug 7, and a bolt passes through a through hole of the connecting lug 7 to cooperate with a nut to fix the cutting machine table together.
[0041] As shown in the figure, the utility model discloses a coal sample cutting and clamping device, which comprises a frame body 1, a movable clamping plate 2 and a tightening mechanism 3. Figure 4 、 Figure 5 The tightening mechanism 3 comprises a first nut 31, a sliding rod 32, a second nut 33 and a top rod 34.
[0042] The first nut 31 is fixed on one side of the movable clamping plate 2 towards the second side plate 13 and is located at the center position, the first side plate 13 is provided with a first through hole 4 at the corresponding position, one end of the sliding rod 32 is provided with a thread, the other end is connected with a limiting block 35, the sliding rod 32 is slidably connected in the first through hole 4, and the threaded end is threadedly connected with the first nut 31.
[0043] The second side plate 13 is provided with a second through hole 5 above and below the first through hole 4, and the second nut 33 is fixed at the second through hole 5, respectively, and the top rod 34 is respectively provided with a second through hole 5 and is provided with a handle 36.
[0044] As shown in the figure, the utility model discloses a coal sample cutting and clamping device, which comprises a frame body 1, a movable clamping plate 2 and a tightening mechanism 3. Figure 3 、 Figure 4As shown, the frame 1 is an adjustable split structure. The main board 11 includes a first L-shaped plate 111 and a second L-shaped plate 112 that overlap. Multiple rows of first adjustment holes 113 are opened on the overlapping part. Multiple bolts pass through the first adjustment holes 113 and cooperate with nuts to fix the two together. The first side plate 12 overlaps with the side of the first L-shaped plate 111, and multiple rows of second adjustment holes 114 are opened on the overlapping part. Multiple bolts pass through the second adjustment holes 114 and cooperate with nuts to fix the two together. The second side plate 13 overlaps with the side of the second L-shaped plate 112, and multiple rows of third adjustment holes 115 are opened on the overlapping part. Multiple bolts pass through the third adjustment holes 115 and cooperate with nuts to fix the two together.
[0045] The surfaces of the main board 11, the first side plate 12, and the movable clamping plate 2 that come into contact with the coal sample are all covered with rubber.
[0046] A handle 6 is fixed on the motherboard 11.
[0047] Each of the first side plate 12 and the second side plate 13 has a connecting lug 7 fixed at its bottom. Bolts pass through the through holes on the connecting lug 7 and, with the help of nuts, fix it to the table of the cutting machine.
[0048] The usage method of this embodiment is the same as that of embodiment one. The difference is that in this embodiment two, the size of the frame 1 can be adjusted according to the size of the coal sample. The length of the first L-shaped plate 111 and the second L-shaped plate 112 can be adjusted through the first adjustment hole 113. The first side plate 12 can be extended outward or retracted inward through the second adjustment hole 114, and the second side plate 13 can be extended outward or retracted inward through the third adjustment hole 115. In this way, the size of the frame 1 can be adjusted, which has better adaptability to coal samples of different sizes.
[0049] Example 3
[0050] like Figure 6 As shown, this utility model discloses a coal sample cutting clamp, including a frame 1, a movable clamping plate 2, and a tightening mechanism 3. The frame 1 includes a main plate 11, a first side plate 12, and a second side plate 13. The first side plate 12 and the second side plate 13 are both perpendicular to the main plate 11, and their sides are fixed to the two sides of the main plate 11 respectively, forming an inward concave shape. The movable clamping plate 2 is located inside the frame 1 and is parallel to the two side plates. The second side plate 12 is connected to the movable clamping plate 2 through the tightening mechanism 3.
[0051] like Figure 7 , Figure 8 As shown, the clamping mechanism 3 includes a first nut 31, a slide bar 32, a first clamping piece 37, and a second clamping piece 38;
[0052] The first nut 31 is fixed on the side of the movable clamping plate 2 facing the second side plate 13 and located in the center. The second side plate 13 has a first through hole 4 at the corresponding position. One end of the slide rod 32 is threaded and the other end is connected to the limiting block 35. The slide rod 32 is slidably connected in the first through hole 4, and the threaded end is threaded to the first nut 31.
[0053] The side of the first clamping piece 37 is fixed at the first through hole 4 on the second side plate 13. The second clamping piece 38 is movably disposed opposite the first clamping piece 37. The sliding rod 32 is a round rod and is located between the first clamping piece 37 and the second clamping piece 38. The middle part of the first clamping piece 37 and the second clamping piece 38 are both arc-shaped and adapted to the surface of the sliding rod 32. The second clamping piece 38 is connected to the first clamping piece 37 by two sets of bolts and nuts and clamps the sliding rod 32.
[0054] like Figure 6 , Figure 7 As shown, the frame 1 is an adjustable split structure. The main board 11 includes a first L-shaped plate 111 and a second L-shaped plate 112 that overlap. Multiple rows of first adjustment holes 113 are opened on the overlapping part. Multiple bolts pass through the first adjustment holes 113 and cooperate with nuts to fix the two together. The first side plate 12 overlaps with the side of the first L-shaped plate 111, and multiple rows of second adjustment holes 114 are opened on the overlapping part. Multiple bolts pass through the second adjustment holes 114 and cooperate with nuts to fix the two together. The second side plate 13 overlaps with the side of the second L-shaped plate 112, and multiple rows of third adjustment holes 115 are opened on the overlapping part. Multiple bolts pass through the third adjustment holes 115 and cooperate with nuts to fix the two together.
[0055] The surfaces of the main board 11, the first side plate 12, and the movable clamping plate 2 that come into contact with the coal sample are all covered with rubber.
[0056] A handle 6 is fixed on the motherboard 11.
[0057] Each of the first side plate 12 and the second side plate 13 has a connecting lug 7 fixed at its bottom. Bolts pass through the through holes on the connecting lug 7 and, with the help of nuts, fix it to the table of the cutting machine.
[0058] In the third embodiment, the adjusting method of the frame body 1 is the same as that in the second embodiment, and the difference from the first embodiment and the second embodiment is the top pressing mechanism 3. In use, the utility model is first placed on the cutting machine table, then the coal sample is placed in the frame body 1, the nuts at the first clamping piece 37 and the second clamping piece 38 are loosened, the slide rod 32 is pushed, the movable clamping plate 2 is driven to abut against the coal sample, a certain force is applied to make the movable clamping plate 2 press the coal sample tightly, then the nuts at the first clamping piece 37 and the second clamping piece 38 are tightened to make the first clamping piece 37 and the second clamping piece 38 clamp the slide rod 32, and the coal sample is clamped, then the handle 6 is held to push the utility model together with the coal sample forward to cut, or the utility model is fixed on the cutting machine table through the connecting ears 7, and the cutting blade can be pushed to cut.
[0059] In the above three embodiments, the main plate 11, the first side plate 12 and the movable clamping plate 2 are all covered with rubber on the surface in contact with the coal sample, and the rubber is also perforated at positions corresponding to the first adjusting hole 113 and the second adjusting hole 114, the rubber is elastic, can make the clamping more stable, and protects the coal sample from being damaged by the clamping force.
[0060] The above is only the preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. A coal sample cutting holder characterized by: The utility model provides a frame (1), movable clamping plate (2) and top mechanism (3), the frame (1) includes main plate (11), first side plate (12) and second side plate (13), first side plate (12) and second side plate (13) are perpendicular to main plate (11) both, and the side is fixed together with the both sides of main plate (11) respectively, presents an inner recess shape, movable clamping plate (2) is located inside the frame (1) and is parallel to two side plates, and second side plate (13) is connected through top mechanism (3) with movable clamping plate (2) between.
2. The coal sample cutting holder according to claim 1, wherein: The top mechanism (3) includes first nut (31), slide rod (32), second nut (33) and top rod (34); The first nut (31) is fixed on the side of movable clamping plate (2) towards second side plate (13) and is located in the central position, and the corresponding position is opened with first through -hole (4) on second side plate (13), one end of slide rod (32) is provided with a thread, the other end is connected with limiting block (35), slide rod (32) is slidably connected in first through -hole (4), and the end with the thread is threadedly connected with first nut (31); The upper and lower of first through -hole (4) on second side plate (13) are each opened with a second through -hole (5), two second nuts (33) are fixed at a second through -hole (5) respectively, two top rods (34) are respectively passed through a second through -hole (5) and are supported on movable clamping plate (2), and the outer side end of two top rods (34) is fixed with handle (36) respectively.
3. A coal sample cutting holder according to claim 2, characterised in that: The second nut (33) and top rod (34) in the top mechanism are replaced with first clamping piece (37) and second clamping piece (38), the side of first clamping piece (37) is fixed at first through -hole (4) on second side plate (13), and second clamping piece (38) is movably arranged opposite first clamping piece (37), the slide rod (32) is a round rod, the slide rod (32) is located between first clamping piece (37) and second clamping piece (38), the middle part of first clamping piece (37) and second clamping piece (38) is arc-shaped and is adapted to the surface of slide rod (32), and second clamping piece (38) is connected with first clamping piece (37) through two groups of upper and lower bolts and nuts and clamps slide rod (32).
4. The coal sample cutting holder according to claim 1 or 2 or 3, wherein: The frame (1) is a split type structure, the main plate (11) includes first L-shaped plate (111) and second L-shaped plate (112) that are overlapped, a plurality of first adjusting holes (113) are formed on the overlapping part, a plurality of bolts are passed through the first adjusting holes (113) and are matched with nuts to fix the first L-shaped plate (111) and the second L-shaped plate (112) together, the first side plate (12) is overlapped with the side of the first L-shaped plate (111), and a plurality of second adjusting holes (114) are formed on the overlapping part, a plurality of bolts are passed through the second adjusting holes (114) and are matched with nuts to fix the first side plate (12) and the first L-shaped plate (111) together, and the second side plate (13) is overlapped with the side of the second L-shaped plate (112), and a plurality of third adjusting holes (115) are formed on the overlapping part, a plurality of bolts are passed through the third adjusting holes (115) and are matched with nuts to fix the second side plate (13) and the second L-shaped plate (112) together.
5. The coal sample cutting holder according to claim 1 or 2 or 3, wherein: The main plate (11), the first side plate (12) and the movable clamping plate (2) are covered with rubber on the surface contacting with the coal sample.
6. The coal sample cutting holder according to claim 1 or 2 or 3, wherein: The main plate (11) is fixed with a handle (6).
7. The coal sample cutting holder according to claim 1 or 2 or 3, wherein: The first side plate (12) and the second side plate (13) are respectively fixed with a connecting lug (7) at the bottom, and the connecting lug (7) is fixed with the table surface of the cutting machine through the through hole and the nut.