CN114485260A - Barrel pull throughs - Google Patents
Barrel pull throughs Download PDFInfo
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- CN114485260A CN114485260A CN202210257528.1A CN202210257528A CN114485260A CN 114485260 A CN114485260 A CN 114485260A CN 202210257528 A CN202210257528 A CN 202210257528A CN 114485260 A CN114485260 A CN 114485260A
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- drill rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 14
- 230000000452 restraining effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 19
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
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- 229910052742 iron Inorganic materials 0.000 description 2
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- 241001074085 Scophthalmus aquosus Species 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A29/00—Cleaning or lubricating arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a barrel dredging device, which comprises a driving assembly, a drill rod assembly, a protective structure and a barrel, wherein the driving assembly drives the drill rod assembly to rotate, so that blockages in the barrel are dredged, and mechanical dredging operation is realized; this application mutually supports through drill rod subassembly and drive assembly, accomplishes the mediation to the barrel fast, increases substantially the mediation efficiency of barrel, guarantees barrel mediation in-process inspection appraisal personnel's safety simultaneously through protective structure, and the practicality is strong, is suitable for extensive popularization and application.
Description
Technical Field
The invention relates to the technical field of gun maintenance, in particular to a barrel dredging device.
Background
The performance identification of firearms and ammunition is an important part for detecting gun cases, however, in the process of inspecting and identifying firearms, the firearms often encounter a material to be detected which is seriously rusted in a gun barrel and blocked, and the inspection and identification can be carried out after the firearms are dredged, and because the pipe diameter of the gun barrel is very small and is usually less than 10mm, the existing dredging method is as follows: firstly, injecting water into the gun barrel, then soaking the gun barrel by adopting liquid medicine, finally poking and blocking the gun barrel by using an iron wire manually, and repeating the steps until the gun barrel is dredged. However, the method for dredging a gun barrel generally needs 1-3 hours, even takes several days for serious blockage, has low working efficiency, and consumes a great deal of time and physical strength of the inspection and identification personnel; in the process of repeated dredging, the iron wire is easy to rub with steel balls rusted on the inner wall of the gun barrel and residual gunpowder to generate heat energy and even sparks, so that safety accidents of accidental burning and explosion are easily induced, the life of inspection and appraisal personnel is endangered, and the safety is poor.
Disclosure of Invention
The invention provides a barrel dredging device, which aims to solve the technical problems of low barrel dredging efficiency and poor safety in the gun inspection and identification process.
According to one aspect of the invention, a barrel clearing device for clearing a barrel comprises a drill rod assembly extending from a barrel port of the barrel into the barrel to clear the barrel, a driving assembly connected with the drill rod assembly and used for driving the drill rod assembly to operate, and a protection assembly distributed on the drill rod assembly and used for protecting during clearing the barrel.
As a further improvement of the above technical solution:
further, the drill rod assembly comprises a rotating connecting rod connected with the driving assembly, a limiting sleeve sleeved outside the rotating connecting rod and a rotating supporting structure arranged between the rotating connecting rod and the limiting sleeve.
Furthermore, the protection assembly comprises a bending structure which is arranged on the drill rod assembly in a bending mode and used for preventing impact force generated in the dredging and cleaning process of the gun barrel from being directly applied to an operator, and the bending structure comprises a steering rod which is arranged on the rotating connecting rod in a bending mode and a bending sleeve which is arranged on the limiting sleeve and corresponds to the steering rod.
Furthermore, the steering rod comprises a first taper rod connected with the output end of the driving assembly and a second taper rod connected with the rotating connecting rod, a first bevel gear is arranged at the end part, far away from the driving assembly, of the first taper rod, and a second bevel gear meshed with the first bevel gear is arranged at the end part, far away from the rotating connecting rod, of the second taper rod.
Furthermore, the gun barrel dredging device also comprises a water injection assembly which is arranged outside the limiting sleeve and communicated with the inner cavity of the limiting sleeve and is used for injecting water into the inner cavity of the limiting sleeve.
Further, the rotation connecting rod includes a rotation rod and a rotation drill arranged at an end portion of the rotation rod.
Furthermore, the dwang includes a plurality of connecting rods of dismantling the connection each other, and the restriction sleeve includes a plurality of connecting cylinders of dismantling the connection each other, rotates bearing structure including setting up the fixed bearing who is used for rotationally being fixed in the connecting cylinder with the connecting rod between connecting rod and connecting cylinder, and connecting rod, connecting cylinder and fixed bearing one-to-one are laid.
Further, the shield assembly includes a shield disposed about the drill rod assembly for blocking blockages ejected from the muzzle of the barrel.
Furthermore, the barrel pull throughs still includes the subassembly of making a video recording that is used for carrying out photographic formation to the barrel inside of laying on the end of stretching into of drill rod subassembly and lay on drive assembly and with make a video recording the display module that the subassembly electricity is connected is used for receiving and showing the photographic image.
Further, the driving assembly comprises an adjusting handle and a driving device which is arranged in the adjusting handle and connected with the drill rod assembly and is used for driving the drill rod assembly to move.
The invention has the following beneficial effects:
according to the barrel dredging device, firstly, the drill rod component extends into the barrel from the barrel port of the barrel to dredge and clean the barrel, then the drill rod component is driven to operate through the driving component to dredge blockages in the barrel, so that mechanical dredging operation is realized, dredging efficiency is greatly improved, manpower, material resources and time for dredging the barrel in the gun inspection and identification process are saved, quick detection of gun-related cases is facilitated, and in the barrel dredging process, the barrel is protected in the barrel dredging and cleaning process through the protection structure, so that the blockages sprayed out of the barrel port are prevented from endangering the life of inspection and identification personnel, and the safety of the inspection and identification personnel is ensured; this application mutually supports through drill rod subassembly and drive assembly, accomplishes the mediation to the barrel fast, increases substantially the mediation efficiency of barrel, guarantees barrel mediation in-process inspection appraisal personnel's safety simultaneously through protective structure, and the practicality is strong, is suitable for extensive popularization and application.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of the structure of a barrel pull through in accordance with a preferred embodiment of the present invention;
fig. 2 is a partial structural schematic view of a barrel pull through in accordance with a preferred embodiment of the present invention.
Illustration of the drawings:
1. a drill rod assembly; 11. rotating the connecting rod; 111. rotating the rod; 112. rotating the drill bit; 12. a restraining sleeve; 2. a drive assembly; 3. a guard assembly; 31. a curved configuration; 32. a protective cover; 4. a water injection assembly; 5. a camera assembly; 6. and a display component.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is a schematic structural view of a barrel pull through in accordance with a preferred embodiment of the present invention; fig. 2 is a partial structural schematic view of a barrel pull through in accordance with a preferred embodiment of the present invention.
As shown in fig. 1 and fig. 2, the barrel dredging device of the embodiment is used for dredging and cleaning the barrel, and comprises a drill rod component 1 which is used for extending into the barrel from a barrel port of the barrel so as to dredge and clean the barrel, a driving component 2 which is connected with the drill rod component 1 and is used for driving the drill rod component 1 to operate, and a protection component 3 which is arranged on the drill rod component 1 and is used for protecting the barrel in the dredging and cleaning process. According to the barrel dredging device, firstly, the drill rod component 1 extends into the barrel from the barrel port of the barrel to dredge and clean the barrel, then the drill rod component 1 is driven to operate through the driving component 2 to dredge blockages in the barrel, so that mechanical dredging operation is realized, dredging efficiency is greatly improved, manpower, material resources and time for dredging the barrel in the gun inspection and identification process are saved, and therefore quick detection of gun-related cases is facilitated, and in the barrel dredging process, the barrel is protected in the dredging and cleaning process through the protection structure, so that the blockages sprayed out of the barrel port are prevented from endangering the life of inspection and identification personnel, and the safety of the inspection and identification personnel is guaranteed; this application is mutually supported through drill rod subassembly 1 and drive assembly 2, accomplishes the mediation to the barrel fast, increases substantially the mediation efficiency of barrel, guarantees barrel mediation in-process inspection appraisal personnel's safety simultaneously through protective structure, and the practicality is strong, is suitable for extensive popularization and application.
As shown in fig. 1, in the present embodiment, the drill rod assembly 1 includes a rotation link 11 connected to the driving assembly 2, a limiting sleeve 12 sleeved outside the rotation link 11, and a rotation support structure disposed between the rotation link 11 and the limiting sleeve 12. Specifically, at first will rotate connecting rod 11 and stretch into to the barrel inside, then rotate connecting rod 11 through the drive of drive assembly 2 drive and rotate in order to dredge the inside plug of barrel, the mediation in-process, support rotating connecting rod 11 through rotating bearing structure, support rotating bearing structure through restriction sleeve 12, and then 11 radial oscillations of restriction rotating connecting rod, avoid rotating connecting rod 11 radial oscillation and with barrel inner wall direct friction, and cause unexpected burning and exploding incident, guarantee the safety and the stability of mediation process.
As shown in fig. 1, in this embodiment, the protection assembly 3 includes a bending structure 31 disposed on the drill rod assembly 1 and disposed in a bending manner for preventing impact force generated during the barrel dredging process from being directly applied to the operator, and the bending structure 31 includes a steering rod disposed on the rotation link 11 and disposed in a bending manner, and a bending sleeve disposed on the limiting sleeve 12 and disposed corresponding to the steering rod. Specifically, the steering column is crooked and lays to dodge from the barrel port spun plug of barrel when making inspection appraisal personnel carry out the barrel mediation operation, and then guarantee inspection appraisal personnel's safety, crooked sleeve corresponds with the steering column and lays simultaneously, consequently, also can corresponding restriction steering column's radial swing, guarantees the safety and the stability of barrel mediation operation. Optionally, the bend angle of the bend formation 31 is between 30 ° and 150 °. Preferably, the bending angle of the bent construction 31 is 90 ° to have an "L" shape. Optionally, the number of the bent formations 31 is plural. Optionally, the curved formation 31 is "U" shaped.
In this embodiment, the steering rod includes a first taper rod connected to the output end of the driving component 2 and a second taper rod connected to the rotating connecting rod 11, a first bevel gear is disposed at an end of the first taper rod away from the driving component 2, and a second bevel gear engaged with the first bevel gear is disposed at an end of the second taper rod away from the rotating connecting rod 11. Specifically, first bevel gear and second bevel gear intermeshing to when drive assembly 2 drove first taper bar and rotates, first taper bar drove second taper bar and rotates, in order to realize the change of direction of rotation, and then dodge from the barrel mouth spun plug of barrel. It should be understood that in another embodiment, a first conical rod is connected to the rotating link 11 and a second conical rod is also connected to the rotating link 11.
In the present embodiment, as shown in fig. 1, the barrel clearing device further comprises a water injection assembly 4 disposed outside the restriction sleeve 12 and communicating with the inner cavity of the restriction sleeve 12 for injecting water into the inner cavity of the restriction sleeve 12. Specifically, provide direction and space for the water injection through restriction sleeve 12, the water injection is carried out to the inner chamber of restriction sleeve 12 to rethread water injection subassembly 4 to absorb heat energy when the mediation, and then improve the security and the brill mill effect of mediation operation. Optionally, the water injection assembly 4 comprises a water injection hole provided on the outer wall of the restriction sleeve 12, a water injection pipe communicated with the water injection hole, a water storage container communicated with the water injection pipe, and a water pump arranged in the water storage container, wherein water in the water storage container is pressurized by the water pump so as to inject water into the restriction sleeve 12 through the water injection pipe and the water injection hole, and flow to the dredging area of the gun barrel to absorb heat energy. It should be appreciated that in another embodiment, the water injection assembly 4 is disposed on the inner wall of the confinement sleeve 12. Optionally, the water injection assembly 4 further comprises a one-way valve arranged on the water injection pipe for placing water counterflow.
As shown in fig. 1, in the present embodiment, the rotating link 11 includes a rotating lever 111 and a rotary drill 112 disposed at an end of the rotating lever 111. Specifically, the rotating drill bit 112 is rotated by the rotating rod 111 to dredge the blockage inside the barrel. Optionally, a strong magnetic joint is arranged at the extending end of the rotating connecting rod 11 to realize quick dredging of the magnetic blockage. Optionally, the extending end of the rotating link 11 is provided with a steel needle to dredge the fire transfer hole on the barrel through the steel needle. Optionally, the rotary drill bit 112 is made of a non-metal material, so that sparks and a large amount of heat energy generated in the dredging drilling and grinding process are avoided, and the safety of the dredging process is improved.
As shown in fig. 1, in the present embodiment, the turning link 11 includes an intermediate lever connected to the steering lever and the turning lever 111, respectively. Specifically, the steering lever and the rotating lever 111 are connected by an intermediate lever to achieve transmission of the driving force. Optionally, the intermediate rod is provided with a connecting hole along the axial direction, a hole wall of the connecting hole is provided with a first connecting thread, the outer wall of the steering rod is provided with a second connecting thread in threaded connection with the first connecting thread, and the outer wall of the drill connecting rod is provided with a third connecting thread in threaded connection with the first connecting thread. Optionally, the outer wall of the intermediate lever is provided with a first connecting thread, the steering lever is provided with a first connecting hole along the axial direction, a hole wall of the first connecting hole is provided with a second connecting thread in threaded connection with the first connecting thread, the drill bit connecting rod is provided with a second connecting hole along the axial direction, and a hole wall of the second connecting hole is provided with a third connecting thread in threaded connection with the first connecting thread.
As shown in fig. 1, in the present embodiment, the rotating rod 111 includes a plurality of connecting rods detachably connected to each other, the limiting sleeve 12 includes a plurality of connecting cylinders detachably connected to each other, the rotation support structure includes a fixed bearing provided between the connecting rods and the connecting cylinders for rotatably fixing the connecting rods in the connecting cylinders, and the connecting rods, the connecting cylinders, and the fixed bearings are arranged in a one-to-one correspondence. Specifically, the rotating rod 111 is formed by splicing a plurality of detachably connected connecting rods, so that the rotating rod can be disassembled and assembled at any time, is convenient to store and carry, meanwhile, drill bit connecting rods with different axial lengths can be spliced according to the axial lengths of different barrels to dredge, the universality of the barrel dredging device is greatly improved, the limiting sleeve 12 is formed by splicing a plurality of detachably connected connecting sleeves, so that the barrel dredging device can be disassembled and assembled at any time and is convenient to store and carry, meanwhile, the limiting sleeves 12 with different axial lengths can be spliced according to the axial lengths of different gun barrels to limit the rotating connecting rod 11, so that the universality of the gun barrel dredging device is greatly improved, the connecting rod is rotationally fixed in the connecting cylinder through the fixed bearing, the radial swing of the connecting rod is limited, the safety and the stability in the dredging process are guaranteed, and meanwhile the connecting rod, the connecting cylinder and the fixed bearing are correspondingly arranged one by one and form a connecting unit. Optionally, the outer wall of the connecting sleeve is provided with a first buckling part, and the outer wall of the adjacent connecting sleeve is provided with a first clamping part clamped and matched with the first buckling part. Optionally, the connecting rod has seted up first square hole along the axial, and adjacent connecting rod has seted up the second quad slit that corresponds the setting with first square hole along the axial, and the drill bit is connected and is equipped with the square shaft of being connected with first square hole and second quad slit respectively. Optionally, the connecting rod has a first spline hole along the axial direction, the adjacent connecting rod has a second spline hole along the axial direction, the second spline hole corresponds to the first spline hole, and the drill bit is connected to a spline shaft that is connected to the first spline hole and the second spline hole respectively. Optionally, the rotating rod 111 is in threaded connection with the rotating drill bit 112, so that the connection is reliable and the work is stable. Optionally, two adjacent connecting rods are connected by an intermediate rod. Optionally, the inner wall of the limiting sleeve 12 is provided with a groove, and the rotation supporting structure comprises a rolling member arranged in the groove and abutting against the rotation connecting rod 11. Optionally, the rolling members are balls.
In the present embodiment, as shown in fig. 1, the shield assembly 3 includes a shield 32 mounted to the drill rod assembly 1 for blocking a blockage ejected from the muzzle of the barrel. Specifically, the protective cover 32 is trumpet-shaped, the horn mouth of the protective cover faces the gun barrel mouth, the drill rod assembly 1 continuously extends into the gun barrel and correspondingly moves reversely, and then blockage in the gun barrel is prevented from being ejected from the gun barrel mouth during dredging operation, and safety of detection and identification personnel and equipment is effectively guaranteed.
As shown in fig. 1 and fig. 2, in this embodiment, the barrel clearing device further includes a camera assembly 5 disposed on the extending end of the drill rod assembly 1 for taking pictures of the interior of the barrel, and a display assembly 6 disposed on the driving assembly 2 and electrically connected to the camera assembly 5 for receiving and displaying the taken pictures. Specifically, carry out photographic image formation to the barrel inside through subassembly 5 of making a video recording, then receive and show the photographic image through display module 6, so that the inside jam condition of barrel of audio-visual observation of inspection appraisal personnel, and then the nimble mediation scheme of selecting, improve the security of barrel mediation operation greatly, it should be understood, because the barrel is relatively thin and long, the pipe diameter is very little, be less than 10mm usually, and barrel one end is sealed, consequently when dredging, its inside condition often can't be observed, even there is the steel ball of corrosion and remaining powder also can't in time discover and avoid, and through subassembly 5 of making a video recording and the inside jam condition of barrel of the audio-visual observation of display module 6, and discover the steel ball of corrosion and remaining powder in time, thereby there is sufficient reaction time to handle, the security of mediation operation has been improved greatly.
In this embodiment, the camera module 5 includes an illumination lamp and a camera electrically connected to the display module 6. Specifically, send the light through the light, provide suitable photographic environment, the formation of image is carried out to the inside condition of barrel to the rethread camera to on transmitting display module 6, so that the inside jam condition of barrel is directly observed to the inspection appraisal personnel, and then the nimble mediation scheme of selecting. Optionally, the camera is a pinhole camera to accommodate a slim barrel. Optionally, the display assembly 6 comprises a display screen vertically arranged on the drive assembly 2. It should be understood that the electrical connection includes a wireless electrical connection and a wired electrical connection, in this embodiment, the camera and the display assembly 6 are connected wirelessly, and in other embodiments, the camera and the display assembly 6 may be connected in a wired electrical connection. Optionally, the display component 6 is a touch screen.
In this embodiment, barrel pull throughs still includes the temperature sensor who lays on the end of stretching into of drill rod subassembly 1, and temperature sensor is connected with display module 6. Specifically, the temperature when dredging the operation through temperature sensor response and transmission drill rod subassembly 1 when showing that 6 display module show that the regional temperature of dredging reaches dangerous temperature, sends danger warning to the inspection appraisal personnel, lets the inspection appraisal personnel have sufficient reaction time and in time avoids. Optionally, the display module 6 includes a PLC controller that is programmable, and receives and processes the sensing signal transmitted by the temperature sensor through the PLC controller.
As shown in fig. 1, in the present embodiment, the driving assembly 2 includes an adjusting handle, and a driving device disposed in the adjusting handle and connected to the drill rod assembly 1 for driving the drill rod assembly 1 to move. Specifically, the adjusting handle is arranged in a U shape, so that the adjusting handle is convenient for an inspector to hold, and then the driving device drives the drill rod component 1 to move, so that the barrel is dredged. Optionally, the driving device comprises a speed regulating motor and a speed regulating knob arranged on the regulating handle and used for regulating the rotating speed of the speed regulating motor, so as to be suitable for drilling and grinding different blockages. Optionally, an energy storage battery electrically connected with the driving device for providing working power is further disposed in the driving assembly 2. Optionally, the driving assembly 2 further includes a start button disposed on the adjusting handle and connected to the driving device for pressing the start driving device, and when the start button is not pressed, the driving device stops working, so as to avoid accidental start of the driving device due to accidental touch or misoperation, which may cause injury to personnel and loss of articles.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a barrel pull throughs for dredge clearance to the barrel, its characterized in that, stretch into the barrel from the barrel mouth of barrel and carry out the drill rod subassembly (1) of dredge clearance in order to the barrel, be used for driving drill rod subassembly (1) moving drive assembly (2) and lay on drill rod subassembly (1) and be used for dredging the clearance in-process and carrying out the protection subassembly (3) that protect in to the barrel including being used for from the barrel mouth of barrel.
2. Barrel clearing device according to claim 1, characterised in that the drill rod assembly (1) comprises a turning link (11) connected to the driving assembly (2), a restraining sleeve (12) sleeved outside the turning link (11) and a turning support structure arranged between the turning link (11) and the restraining sleeve (12).
3. Barrel pull through according to claim 2, characterised in that the shielding assembly (3) comprises a bending arrangement (31) arranged on the drill rod assembly (1) and arranged in a bent manner for avoiding that impact forces generated during barrel pull through cleaning act directly on the operator, the bending arrangement (31) comprising a steering rod arranged on the turning link (11) and arranged in a bent manner and a bending sleeve arranged on the restraining sleeve (12) and arranged in correspondence with the steering rod.
4. The barrel pull through of claim 3, wherein the steering rod comprises a first taper rod connected with the output end of the driving assembly (2) and a second taper rod connected with the rotating connecting rod (11), wherein the end of the first taper rod far away from the driving assembly (2) is provided with a first bevel gear, and the end of the second taper rod far away from the rotating connecting rod (11) is provided with a second bevel gear engaged with the first bevel gear.
5. Barrel pull through according to claim 2, characterized in that it further comprises a water injection assembly (4) arranged outside the restraining sleeve (12) and communicating with the inner cavity of the restraining sleeve (12) for injecting water into the inner cavity of the restraining sleeve (12).
6. Barrel pull through according to claim 2, characterised in that the turning link (11) comprises a turning rod (111) and a turning drill bit (112) arranged at the end of the turning rod (111).
7. Barrel pull through according to claim 6 characterized in that the turning rod (111) comprises a plurality of connecting rods detachably connected to each other, the restraining sleeve (12) comprises a plurality of connecting cylinders detachably connected to each other, the turning support structure comprises fixed bearings arranged between the connecting rods and the connecting cylinders for rotatably fixing the connecting rods in the connecting cylinders, and the connecting rods, the connecting cylinders and the fixed bearings are arranged in a one-to-one correspondence.
8. Barrel pull through according to any of claims 1-7 characterized in that the shield assembly (3) comprises a shield (32) fitted over the drill rod assembly (1) for blocking blockages ejected from the barrel port of the barrel.
9. The barrel pull through according to any one of claims 1 to 7, further comprising a camera assembly (5) disposed on the extended end of the drill rod assembly (1) for photographically imaging the interior of the barrel and a display assembly (6) disposed on the drive assembly (2) and electrically connected to the camera assembly (5) for receiving and displaying the photographic image.
10. Barrel pull through according to any of claims 1-7, characterised in that the driving assembly (2) comprises an adjustment handle, a driving device arranged in the adjustment handle and connected to the drill rod assembly (1) for driving the movement of the drill rod assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257528.1A CN114485260A (en) | 2022-03-16 | 2022-03-16 | Barrel pull throughs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257528.1A CN114485260A (en) | 2022-03-16 | 2022-03-16 | Barrel pull throughs |
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| Publication Number | Publication Date |
|---|---|
| CN114485260A true CN114485260A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210257528.1A Pending CN114485260A (en) | 2022-03-16 | 2022-03-16 | Barrel pull throughs |
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| CN113251856A (en) * | 2021-06-02 | 2021-08-13 | 颜学清 | Dredging device for dredging gun tube |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT61357B (en) * | 1913-01-11 | 1913-09-25 | Edmund Tatarek | Device for converting a multi-loading rifle into a self-loading rifle. |
| CH86400A (en) * | 1916-04-27 | 1920-09-01 | Marcuse Prof Dr Adolf | Device for checking the barrels of firearms already mounted on stocks. |
| KR101549204B1 (en) * | 2015-05-19 | 2015-09-01 | 대한민국 | Robot For Internal Inspection Of Gun Barrel Having Steering Device |
| CN207556354U (en) * | 2017-11-23 | 2018-06-29 | 保定巴迪智能科技有限公司 | A kind of cannon cleaning bore of cannon device |
| CN110984130A (en) * | 2020-01-07 | 2020-04-10 | 湘潭大学 | Slurry stopping system and method for preventing blockage and slurry return outside hole of crushing belt |
| CN211293439U (en) * | 2020-02-17 | 2020-08-18 | 深圳市泰视朗科技有限公司 | Endoscope device for inspecting side wall of narrow pipeline such as gun |
| CN212597677U (en) * | 2020-09-14 | 2021-02-26 | 中交一公局集团有限公司 | Pipeline dredging device |
| CN113251856A (en) * | 2021-06-02 | 2021-08-13 | 颜学清 | Dredging device for dredging gun tube |
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