Rock core collecting device for coal field geological drilling

Abstract

The utility model discloses a rock core collecting device for coal field geological drilling, which comprises a box body unit, the box body unit is used for collecting rock cores, a jacking unit comprises a jacking assembly and a driving assembly, and the jacking assembly is used for lifting one end of a long-strip rock core; the driving assembly is connected with the jacking assembly and used for driving the jacking assembly to ascend and reset. According to the rock core collecting device for coal field geological drilling, by arranging the jacking unit, when a long-strip rock core needs to be taken out, the driving assembly can drive the jacking assembly to ascend, and a supporting block in the jacking assembly lifts one end of the long-strip rock core, so that a certain gap is formed between the rock core and the placing plate, and a worker can easily take out the rock core conveniently; the problems of difficulty in operation and damage to the rock core caused by difficulty in taking out the rock core are solved, and the integrity of the rock core sample is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to geological drilling technical field, concretely is a core collection device for coalfield geology drilling. BACKGROUND

[0002] In the coalfield geological drilling work, the collection and preservation of the core is a crucial link. The core, as a rock sample drilled from the underground, can directly reflect the structure, composition and other information of the underground rock formation, and has irreplaceable value for geological exploration, resource evaluation and other work.

[0003] The traditional core collection device mostly only has simple storage function, and usually the core is directly placed in the fixed slot in the collection box. However, in the actual operation process, the length of the core obtained by drilling is different, especially the long core, which has many inconveniences when placing and taking out. When the long core needs to be taken out, because the core is long and closely fitted in the collection groove, the worker often has difficulty in directly taking it out with his hand, and usually needs to use other tools for auxiliary operation, which not only increases the complexity and difficulty of the operation, but also may cause the core to be damaged in the taking-out process, affecting the integrity of the core sample and the accuracy of the subsequent research and analysis. Therefore, it has important practical significance to develop a core collection device for coalfield geological drilling which can effectively solve the above problems. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a core collection device for coalfield geological drilling, which solves the problem that the long core is difficult to be directly taken out with hand in the collection groove, and usually needs to use other tools for auxiliary operation, which not only increases the complexity and difficulty of the operation, but also causes the core to be damaged in the taking-out process.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a core collection device for coalfield geological drilling includes a box unit, the box unit is used for collecting the core, and a top support unit is arranged in the box unit;

[0006] The box unit includes:

[0007] A collection box;

[0008] A placing plate is installed in the collection box, a plurality of equidistant semicircular grooves are formed in the placing plate, and the semicircular grooves are used for collecting the core;

[0009] The top support unit includes:

[0010] A jacking assembly is used for lifting one end of the long core;

[0011] A driving assembly is connected with the jacking assembly, and is used to drive the jacking assembly to rise and reset.

[0012] Preferably, the box unit further comprises a plug-in block fixedly connected to the top of the collecting box. Preferably, the bottom of the collecting box is provided with a plug-in groove which is movably plugged with the plug-in block. Preferably, the jacking assembly comprises:

[0013] A plurality of supporting blocks are slidingly connected in the placing plate.

[0014] A connecting rod is fixedly connected at the top end of the supporting block.

[0015] A cross rod is fixedly connected at the bottom of the connecting rod.

[0016] A threaded sleeve is fixedly connected at the bottom of the cross rod.

[0017] Preferably, the driving assembly comprises:

[0018] A threaded rod;

[0019] A worm gear is fixedly sleeved at the bottom of the threaded rod.

[0020] A worm is movably connected with the worm gear.

[0021] A rotating rod is fixedly connected with the worm.

[0022] A rotating disc is fixedly connected at one end of the rotating rod.

[0023] Preferably, the supporting block abuts against the core.

[0024] Preferably, the threaded rod is threadedly connected in the threaded sleeve.

[0025] The utility model discloses a core collecting device for coalfield geological drilling, which has the following beneficial effects: the core collecting device for coalfield geological drilling can drive the jacking assembly to rise through the setting of the supporting unit when it is necessary to take out the long core, the supporting block in the jacking assembly lifts one end of the long core, a certain gap is formed between the core and the placing plate, the staff can easily take out the core, the operation difficulty and the core damage problem caused by the difficulty in taking out the core are avoided, and the integrity of the core sample is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a structural schematic diagram of the utility model;

[0027] Fig. 2 It is a structural schematic diagram of the box unit of the utility model;

[0028] Fig. 3 It is a top support unit structure schematic view of the utility model.

[0029] In the figure: 1, box unit; 11, collection box; 12, placing plate; 121, semicircular groove; 13, plug-in block; 2, top support unit; 21, jacking assembly; 211, supporting block; 212, connecting rod; 213, cross bar; 214, threaded sleeve; 22, drive assembly; 221, threaded rod; 222, worm gear; 223, worm; 224, rotating rod; 225, turntable. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0031] Embodiment one

[0032] A kind of coal field geology drilling is used to the core collection device, including box unit 1, box unit 1 is used to collect core, the inside of box unit 1 is provided with top support unit 2;

[0033] Box unit 1 includes:

[0034] Collection box 11;

[0035] Placing plate 12, placing plate 12 is installed in collection box 11, multiple equidistance semicircular grooves 121 are opened on placing plate 12, and semicircular groove 121 is used to collect core;

[0036] Top support unit 2 includes:

[0037] Jacking assembly 21, jacking assembly 21 is used to lift one end of long strip core;

[0038] Drive assembly 22, drive assembly 22 is connected with jacking assembly 21, and drive assembly 22 is used to drive jacking assembly 21 to rise and reset.

[0039] Further, box unit 1 further includes plug-in block 13, and plug-in block 13 is fixedly connected at the top of collection box 11.

[0040] Further, the bottom of the collection box 11 is provided with a plug-in slot, the plug-in slot is movably plugged with the plug-in block 13, the plug-in block 13 and the plug-in slot are arranged in the box unit 1, when the plurality of collection boxes 11 are stacked for use, the plug-in block 13 is movably plugged with the plug-in slot, which can effectively enhance the connection stability between the collection boxes 11, prevent the displacement or dumping of the collection box 11 during the carrying or storage process, and ensure the safety and reliability of the core collection.

[0041] Embodiment two

[0042] A core collection device for coal field geological drilling, comprising a box unit 1, the box unit 1 is used for collecting cores, and the inside of the box unit 1 is provided with a top support unit 2;

[0043] The box unit 1 comprises:

[0044] A collection box 11;

[0045] A placement plate 12 is installed in the collection box 11, and a plurality of equidistant semicircular grooves 121 are arranged on the placement plate 12, and the semicircular grooves 121 are used for collecting cores;

[0046] The top support unit 2 comprises:

[0047] A jacking assembly 21 is used for lifting one end of the long core;

[0048] A driving assembly 22 is connected with the jacking assembly 21, and the driving assembly 22 is used for driving the jacking assembly 21 to rise and reset.

[0049] Further, the jacking assembly 21 comprises:

[0050] A plurality of supporting blocks 211 are slidably connected in the placement plate 12;

[0051] A connecting rod 212 is fixedly connected with the supporting block 211 at the top end;

[0052] A cross rod 213 is fixedly connected at the bottom of the connecting rod 212;

[0053] A threaded sleeve 214 is fixedly connected at the bottom of the cross rod 213, a threaded rod 221 is threadedly connected with the threaded sleeve 214, with the rotation of the threaded rod 221, the threaded sleeve 214 drives the cross rod 213 to move upward, and the cross rod 213 drives the supporting block 211 to slide upward in the placement plate 12 through the connecting rod 212. The supporting block 211 abuts against the core, with the rising of the supporting block 211, one end of the long core is lifted, so that a gap is generated between the core and the placement plate 12, which facilitates the worker to take out the core.

[0054] Further, the driving assembly 22 comprises:

[0055] the threaded rod 221;

[0056] the worm gear 222, which is fixedly sleeved at the bottom of the threaded rod 221;

[0057] the worm 223, which is in meshing connection with the worm gear 222;

[0058] the rotating rod 224, which is fixedly connected with the worm 223;

[0059] the rotating disc 225, which is fixedly connected at one end of the rotating rod 224 and can drive the worm 223 to rotate by rotating the rotating disc 225, so as to drive the worm gear 222 to rotate the threaded rod 221, thereby realizing the lifting and resetting of the jacking assembly 21. This transmission mode has a self-locking function, can accurately control the position of the jacking assembly 21, and is simple to operate, so that the staff can quickly complete the lifting and resetting operation of the core without using complex tools, greatly improving the work efficiency.

[0060] Further, the supporting block 211 is in abutment with the core.

[0061] Further, the threaded rod 221 is threadedly connected in the threaded sleeve 214.

[0062] Working principle:

[0063] When it is necessary to take out the long core, the staff manually rotates the rotating disc 225, the rotating disc 225 drives the rotating rod 224 to rotate, and the rotating rod 224 further drives the worm 223 to rotate. Since the worm 223 is in meshing connection with the worm gear 222, the worm gear 222 will rotate with the rotation of the worm 223, and the worm gear 222 is fixedly sleeved at the bottom of the threaded rod 221, so the threaded rod 221 will also rotate. The threaded rod 221 is threadedly connected with the threaded sleeve 214, and with the rotation of the threaded rod 221, the threaded sleeve 214 will drive the cross rod 213 to move upward, and the cross rod 213 drives the supporting block 211 to slide upward in the placing plate 12 through the connecting rod 212. The supporting block 211 is in abutment with the core, and with the lifting of the supporting block 211, one end of the long core will be lifted, so that a gap is generated between the core and the placing plate 12, facilitating the staff to take out the core. After the core taking-out operation is completed, the staff reversely rotates the rotating disc 225, and in the opposite direction of the above transmission process, the threaded rod 221 reversely rotates, the threaded sleeve 214 drives the cross rod 213 to move downward, and the cross rod 213 makes the supporting block 211 to descend and reset through the connecting rod 212, so as to return to the initial position, so as to facilitate the next core collecting and taking-out operation.

[0064] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A core collecting device for coalfield geological drilling, comprising a box unit (1) for collecting a core, characterized in that, The inside of the box unit (1) is provided with a top supporting unit (2); the box unit (1) comprises: A collecting box (11); A placing plate (12) is installed in the collecting box (11), a plurality of equidistant semicircular grooves (121) are formed in the placing plate (12), and the semicircular grooves (121) are used for collecting cores; The top supporting unit (2) comprises: A jacking assembly (21) for lifting one end of the long core; A driving assembly (22) connected with the jacking assembly (21), the driving assembly (22) is used for driving the jacking assembly (21) to rise and reset.

2. The core collecting device for coalfield geological drilling according to claim 1, characterized in that, The box unit (1) further comprises a plug-in block (13) fixedly connected to the top of the collecting box (11).

3. The core collecting device for coalfield geological drilling according to claim 2, characterized in that, A plug-in groove is formed in the bottom of the collecting box (11), and the plug-in groove is movably plugged with the plug-in block (13).

4. The core collecting device for coalfield geological drilling according to claim 1, characterized in that, The jacking assembly (21) comprises: A plurality of supporting blocks (211) which are slidingly connected in the placing plate (12); A connecting rod (212) fixedly connected with the supporting block (211) at the top end; A cross bar (213) fixedly connected to the bottom of the connecting rod (212); A threaded sleeve (214) fixedly connected to the bottom of the cross bar (213).

5. The core collecting device for coalfield geological drilling according to claim 2, characterized in that, The driving assembly (22) comprises: A threaded rod (221); A worm wheel (222) fixedly sleeved at the bottom of the threaded rod (221); A worm gear (223) meshingly connected with the worm wheel (222); A rotating rod (224) fixedly connected with the worm gear (223); A rotating disc (225) fixedly connected to one end of the rotating rod (224).

6. The core collecting device for coalfield geological drilling according to claim 4, characterized in that, The supporting block (211) abuts against the core.

7. The core collecting device for coalfield geological drilling according to claim 5, characterized in that, The threaded rod (221) is threadedly connected in the threaded sleeve (214).

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