Novel impact device for coal mining

By introducing a fixed ring, a buffer spring, and a synchronization block into the coal mining device, the problem of unstable hand-held operation caused by the impact force of the rock drill was solved, achieving the effect of reducing impact force and improving operational stability.

CN223676182UActive Publication Date: 2025-12-16NAT ENERGY GRP NINGXIA COAL IND CO LTD ZAOQUAN COAL MINE
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Patent Information

Application Number
CN202423122891.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-16
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

During coal mining, the impact force of rock drills causes users to lose their grip and find it difficult to maintain balance.

Method used

A novel impact device for coal mining has been designed. By setting a fixed ring, a buffer spring, and a synchronous block on the impact drill body, the buffer spring reduces the transmission of impact force. Combined with an anti-slip pad and an adjustable swing rod, the stability of the user's hand and the convenience of the device are improved.

Benefits of technology

It effectively reduces the impact force on users during use, improves the stability and ease of operation of handheld devices, and enhances user comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mining, and discloses a novel impact device for coal mining, which comprises an impact drill body, a mounting groove is arranged on the surface of the impact drill body, the mounting groove is positioned at the front end of the impact drill body, two fixing rings which are close to each other are clamped in the mounting groove, two ends of each fixing ring are bent outwards, and the two ends of each fixing ring are bent outwards. Mounting grooves are formed in the two ends of the percussion drill body, the two fixing rings are clamped outside the mounting grooves after being spliced, embedding grooves are formed in the inner wall surfaces of the fixing rings, and anti-slip mats are mounted in the embedding grooves in an embedded mode. The novel percussion drill is provided with the synchronous insertion blocks for buffering, when the whole device is used, impact force generated by the percussion drill body is conducted through the synchronous insertion blocks, and therefore the impact force generated by the percussion drill body is reduced; the multiple buffer springs deform when being impacted, the impact force transmitted by the synchronous insertion block during operation of the percussion drill body is reduced through the multiple buffer springs, the impact force borne by the hands of a user can be greatly reduced during use, and the user can maintain balance more easily during use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining technical field especially relates to a novel coal mining impact device. BACKGROUND

[0002] In the coal mining process, often need to impact the hard part of coal mine, break the hard part through the impact, rock drill is one of commonly used tools, the impact force is big when rock drill is used, the user receives the big vibration in the mining process, lead to manual holding machine to be difficult to maintain the balance of rock drill, for this, a novel coal mining impact device is proposed. UTILITY MODEL CONTENT

[0003] The utility model mainly solves the technical problem of above-mentioned prior art, provides a novel coal mining impact device.

[0004] In order to realize above-mentioned purpose, the utility model adopts the following technical scheme, including impact drill body, the surface of impact drill body is equipped with the mounting recess, the mounting recess is located at the front end of impact drill body, two mutually close fixed rings are clamped in the inside of mounting recess, the both ends of fixed ring are outwardly bent, two the fixed ring is clamped in the outside of mounting recess after splicing, the inside wall surface of fixed ring is equipped with embedding groove, the inside embedding of embedding groove is equipped with antiskid pad, after fixed ring is clamped in the inside of mounting recess, antiskid pad is extruded with the inner wall surface of mounting recess, the outside of fixed ring is further equipped with synchronous plug, the side of synchronous plug corresponding fixed ring is arc surface structure, two installation stand columns that position is mutually far away are fixedly installed to the side of synchronous plug corresponding fixed ring, and the front end of installation stand column is the threaded column structure.

[0005] Further, the inside of the both sides bending part of fixed ring is equipped with two mutually close mounting hole grooves and mounting insertion hole, the inside wall surface of mounting insertion hole is equipped with screw thread.

[0006] Further, the outer diameter of installation stand column corresponds with the size of the inside through -hole of mounting hole groove, the both sides of mounting hole groove are trapezoidal groove structures, and the inside of the both sides of mounting hole groove is inserted and mounted with buffer spring for buffering.

[0007] Further, the front end threaded column part of installation stand column is sleeved with locking ring, the installation stand column passes through two mounting hole grooves and is limited to install through locking ring, and the buffer spring is sleeved on the outside of installation stand column.

[0008] Further, the surface of the end of fixed ring far from synchronous plug is equipped with connecting insertion slot, the both side wall surfaces of the inside of connecting insertion slot are equipped with insertion hole, and the inside of connecting insertion slot is inserted and mounted with swing rod of rotary activity.

[0009] The utility model provides a novel coal mining impact device has the following beneficial effects:

[0010] 1. A novel coal mining impact device, by setting up for the synchronous plug -in block of buffering, after two fixed rings are combined and are sleeved in the outside of the installation groove, the fixed bolt is used after rotating locking through the corresponding installation insertion hole, the fixed ring is positioned and installed, and the buffer spring is inserted into the two side recesses of the installation hole groove, and the two outside synchronous plug -in blocks are inserted into the installation hole groove and are locked through the locking ring, the two sides of the stand column are impelled by the elastic force of the buffer spring after the synchronous plug -in block is installed, and the swing rod is locked after being installed in the inside of the connecting insertion slot, when the whole device is used, the impact force of the impact drill body is conducted through the synchronous plug -in block, the multiple buffer springs are deformed when being impacted, the impact force transmitted by the synchronous plug -in block when the impact drill body is running is reduced through the multiple buffer springs, the impact force received by the user's hand when being used will be greatly reduced, and the user is easier to maintain balance when being used.

[0011] 2. A novel coal mining impact device, by setting up the fixed ring of convenient dismounting, the fixed ring corresponds with the size of the groove inner diameter of the installation groove after being combined, the swing rod is installed outside the synchronous plug -in block and then is movably installed outside the fixed ring, when the device is used, the tail handle of the impact drill body can lift the whole device when the swing rod is gripped, the whole impact drill body can be rotated to impact the coal mine at different positions in the impact process, the swing rod is rotated outside the impact drill body through the fixed ring in the rotation process of the impact drill body, the anti -skid pad in the fixed ring makes the assembled ring not easily rotate, the position of the swing rod is not loosened after being adjusted, can be adjusted to the comfortable angle of the user for use, and the convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not have technical substantial significance to limit the implementation conditions of the utility model.

[0013] Fig. 1 It is a whole schematic view of the device;

[0014] Fig. 2 It is a fixed ring structure schematic view;

[0015] Fig. 3 It is a synchronous plug -in block structure schematic view.

[0016] Legend:

[0017] 1, impact drill body; 2, installation groove; 3, fixed ring; 4, synchronous plug-in block; 5, swing rod; 6, buffer spring; 7, embedded groove; 8, non-slip pad; 9, installation hole groove; 10, installation jack; 11, installation column; 12, connection slot; 13, locking ring. DETAILED DESCRIPTION

[0018] A new type of coal mining impact device, as shown in Figs. 1 to 3 , comprising an impact drill body 1, the surface of the impact drill body 1 is provided with an installation groove 2, the installation groove 2 is located at the front end of the impact drill body 1, two fixed rings 3 are clamped into the installation groove 2, the two ends of the fixed ring 3 are bent outward, the two fixed rings 3 are clamped on the outside of the installation groove 2, the inner wall surface of the fixed ring 3 is provided with an embedded groove 7, a non-slip pad 8 is embedded in the embedded groove 7, the non-slip pad 8 is pressed against the inner wall surface of the installation groove 2 after the fixed ring 3 is clamped in the installation groove 2, and the fixed ring 3 is further provided with a synchronous plug-in block 4, one side of the synchronous plug-in block 4 corresponding to the fixed ring 3 is arc-shaped, two installation columns 11 are fixedly installed on one side of the synchronous plug-in block 4 corresponding to the fixed ring 3, and the front end of the installation column 11 is in threaded column structure.

[0019] Two installation hole grooves 9 and installation jacks 10 are formed in the inside of the bent portions on both sides of the fixed ring 3, the inner wall surface of the installation jack 10 is provided with a thread, the two installation jacks 10 on the same side of the fixed ring 3 are corresponded after the two fixed rings 3 are clamped in the installation groove 2, and the positioning installation of the fixed ring 3 is completed after the bolts are locked through the two installation jacks 10.

[0020] The outer diameter of the installation column 11 corresponds to the size of the through hole in the installation hole groove 9, the two sides of the installation hole groove 9 are in trapezoidal groove structure, the buffer springs 6 for buffering are inserted and installed in the inside of the two sides of the installation hole groove 9, the locking ring 13 is sleeved on the threaded column portion of the front end of the installation column 11, the buffer spring 6 is sleeved on the outside of the installation column 11 after the installation column 11 passes through the two installation hole grooves 9 and is limited by the locking ring 13, the impact force of the impact drill body 1 is conducted through the synchronous plug-in block 4 when the device is used, the multiple buffer springs 6 are deformed when impacted, the impact force transmitted by the synchronous plug-in block 4 when the impact drill body 1 operates is reduced through the multiple buffer springs 6, the impact force on the hands of the user when used is greatly reduced, and the user is more easily to maintain balance when used.

[0021] The surface of one end of the fixed ring 3 away from the synchronous plug-in block 4 is provided with a connection slot 12, the two side walls of the inside of the connection slot 12 are provided with insertion holes, and the swing rod 5 rotatingly installed is inserted and installed in the inside of the connection slot 12, the entire device can be lifted through the swing rod 5 when the device is used, and the swing rod 5 can be turned to be suitable for impacting and mining coal mines at different positions.

[0022] The working principle of the utility model:

[0023] Through setting up the synchronous plug-in block 4 for buffering, the two fixed rings 3 are combined and sleeved outside the installation groove 2, after rotating and locking by using the fixed bolt through the corresponding installation jack 10, the fixed ring 3 is positioned and installed, the buffer spring 6 is inserted into the two side grooves of the installation hole groove 9, at the same time, the two outside of the synchronous plug-in block 4 are inserted into the installation hole groove 9 and locked through the locking ring 13, after the synchronous plug-in block 4 is installed, the two sides of the stand column 11 are impelled by the elastic force of the buffer spring 6, the swing rod 5 is locked after being installed inside the connecting slot 12, when the whole device is used, the impact force of the impact drill body 1 is conducted through the synchronous plug-in block 4, the multiple buffer springs 6 are deformed when being impacted, the impact force transmitted by the synchronous plug-in block 4 when the impact drill body 1 is running is reduced through the multiple buffer springs 6, the impact force received by the user's hand when being used will be greatly reduced, and the user is easier to maintain balance when being used.

[0024] Through setting up the fixed ring 3 convenient to disassemble, the fixed ring 3 is combined and corresponds to the groove inner diameter size of the installation groove 2, the swing rod 5 is installed outside the synchronous plug-in block 4 and then movably installed outside the fixed ring 3, when the device is used, the swing rod 5 and the tail handle of the impact drill body 1 can lift the whole device, the whole impact drill body 1 can be rotated in the impact process to impact different positions of the coal mine, the swing rod 5 is rotated outside the impact drill body 1 through the fixed ring 3 in the rotation process of the impact drill body 1, at the same time, the anti-skid pad 8 inside the fixed ring 3 makes the assembled ring not easily rotate, the position of the swing rod 5 is not loose after being adjusted, can be adjusted to the comfortable angle of the user for use, and the convenience of the device is improved.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A new type of coal mining percussion device, comprising a percussion drill body (1), a mounting groove (2) is formed on the surface of the percussion drill body (1), characterized in that: The mounting groove (2) is located at the front end of the impact drill body (1), the inside of the mounting groove (2) is clamped with two mutually close fixing rings (3), the two ends of the fixing ring (3) are outwardly bent, the two fixing rings (3) are clamped outside the mounting groove (2) after splicing, the inside wall surface of the fixing ring (3) is provided with an embedded groove (7), the inside of the embedded groove (7) is embedded with an anti-skid pad (8), the anti-skid pad (8) is extruded with the inner wall surface of the mounting groove (2) after the fixing ring (3) is clamped in the inside of the mounting groove (2), the outside of the fixing ring (3) is further provided with a synchronous plug-in block (4), one side of the synchronous plug-in block (4) corresponding to the fixing ring (3) is arc-shaped structure, two mutually distant mounting columns (11) are fixedly installed on one side of the synchronous plug-in block (4) corresponding to the fixing ring (3), the front end of the mounting column (11) is a threaded column structure.

2. A new type of percussion device for coal mining according to claim 1, characterized in that: The inside of the two side bending parts of the fixing ring (3) is provided with two mutually close mounting hole grooves (9) and mounting insertion holes (10), the inside wall surface of the mounting insertion hole (10) is provided with a thread.

3. The new impact device for coal mining according to claim 1, characterized in that: The outer diameter of the mounting column (11) corresponds to the size of the through hole in the inside of the mounting hole groove (9), the two sides of the mounting hole groove (9) are trapezoidal groove structures, the inside of the two sides of the mounting hole groove (9) is inserted with a buffer spring (6) for buffering.

4. The new impact device for coal mining according to claim 1, characterized in that: The front end threaded column part of the mounting column (11) is sleeved with a locking ring (13), the mounting column (11) is limited and mounted through the locking ring (13) after penetrating through the two mounting hole grooves (9), and the buffer spring (6) is sleeved outside the mounting column (11).

5. The new impact device for coal mining according to claim 1, characterized in that: The surface of one end of the fixing ring (3) away from the synchronous plug-in block (4) is provided with a connecting insertion groove (12), the inside two side wall surfaces of the connecting insertion groove (12) are provided with insertion holes, and a rotating swing rod (5) is inserted and mounted in the inside of the connecting insertion groove (12).