CN110491237B - Training machine for training of swing hammer skill - Google Patents
Training machine for training of swing hammer skill Download PDFInfo
- Publication number
- CN110491237B CN110491237B CN201910886367.0A CN201910886367A CN110491237B CN 110491237 B CN110491237 B CN 110491237B CN 201910886367 A CN201910886367 A CN 201910886367A CN 110491237 B CN110491237 B CN 110491237B
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000010009 beating Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 5
- 230000036541 health Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/24—Use of tools
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Entrepreneurship & Innovation (AREA)
- Road Signs Or Road Markings (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention belongs to the technical field of skill training auxiliary equipment, and particularly relates to a swing hammer skill training machine. Comprises a frame, a mandrel assembly, an opening and closing band-type brake, a counterweight mechanism and a pedal lifting mechanism. The top of the frame is provided with an opening and closing band-type brake, a mandrel assembly for hammering and beating is clamped in the opening and closing band-type brake, the mandrel assembly is movably connected with the opening and closing band-type brake, a friction plate is arranged at the contact part of the opening and closing band-type brake and the mandrel assembly, the counterweight mechanism is connected with the opening and closing band-type brake and enables the opening and closing band-type brake to downwards press the mandrel assembly, and the counterweight mechanism is connected with a pedal lifting mechanism capable of lifting the counterweight mechanism. The invention has simple structure, pure mechanical device, no need of using energy sources such as electricity, gas and the like, energy conservation and environmental protection, small occupied area, and can be used indoors, thereby eliminating the influence of outdoor weather conditions, and teaching and practicing can be performed at any time, and the teaching and practicing process is ensured.
Description
Technical Field
The invention belongs to the technical field of skill training auxiliary equipment, and particularly relates to a swing hammer skill training machine.
Background
The swing hammer is a necessary basic skill of the fitter. The great hammer swinging skill is mostly obtained by working practice, and in the working process, some people fear to damage equipment and cannot swing, so that the working efficiency is affected. In the hammer skill teaching of the bench workers, only the work piece is cut by the small-hammer chisel, and part of factory units adopt open-air ground piles or steel plates to practice the large-hammer skill. The outdoor pile driving can not be practiced outdoors in rainy days and snowy days due to the influence of weather, and the pile driving needs to be pulled out again after being put into the ground, so that the outdoor pile driving is very troublesome, steel plates are driven on the flat ground, the noise is high, the physical health is influenced, and the outdoor exercise can not guarantee the normal teaching time. Therefore, there is an urgent need for a swing hammer exercise machine that has a simple structure and can be repeatedly used indoors.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the swing hammer skill training machine which has a simple structure and small occupied area and can be used indoors.
The invention aims at solving the problems through the following technical scheme:
a swing hammer skill training machine, which is characterized in that: comprises a frame, a mandrel assembly, an opening and closing band-type brake, a counterweight mechanism and a pedal lifting mechanism;
the top of the frame is provided with an opening and closing band-type brake, a mandrel assembly for hammering and beating is clamped in the opening and closing band-type brake, the mandrel assembly is movably connected with the opening and closing band-type brake, a friction plate is arranged at the contact part of the opening and closing band-type brake and the mandrel assembly, the counterweight mechanism is connected with the opening and closing band-type brake and enables the opening and closing band-type brake to downwards press the mandrel assembly, and the counterweight mechanism is connected with a pedal lifting mechanism capable of lifting the counterweight mechanism.
Based on the structure, the training personnel can swing the sledge hammer to strike the mandrel assembly to carry out piling training, and the friction between the opening and closing band-type brake and the mandrel assembly is further increased by the aid of the counterweight mechanism and the friction plate, so that training intensity of the training personnel can be effectively ensured. The pedal lifting mechanism can lift the weight balancing mechanism, so that the pressure of the weight balancing mechanism to the opening and closing band-type brake is reduced, the mandrel assembly can be easily pulled out, and repeated exercise is facilitated.
Furthermore, the opening and closing band-type brake comprises a base, an upper band-type brake and a lower band-type brake; the counterweight mechanism comprises a bracket, a lever, a counterweight block mounting rod, a counterweight block supporting plate and a counterweight block;
the lower band-type brake is fixed at the left top of the frame through the base, the support is vertically arranged at the left side of the base, the left end of the lever is hinged to the support, the upper band-type brake is fixed at the bottom of the lever and is positioned right above the lower band-type brake, the mandrel assembly is horizontally arranged forward and is positioned between the lower band-type brake and the upper band-type brake, the balancing weight mounting rod is arranged in the vertical direction, the top of the balancing weight mounting rod is hinged to the right end of the lever, the balancing weight supporting plate is horizontally arranged at the lower part of the balancing weight mounting rod, and the balancing weight is placed on the balancing weight supporting plate and embedded on the balancing weight mounting rod.
Further, the pedal lifting mechanism comprises two rotating shaft bases, a rotating shaft, a pedal, a second lever and a third lever; the rotating shaft is horizontally arranged forward, the rotating shaft penetrates through the two rotating shaft bases and is rotationally connected with the rotating shaft bases, the rotating shaft bases are arranged at the bottom of the right side of the frame, the left end of the second lever is fixedly connected with the middle part of the rotating shaft, and the right end of the second lever is hinged with the bottom of the balancing weight installation rod; the third lever is transversely arranged on the right front side of the frame, the right end of the third lever is fixedly connected with the front end of the rotating shaft, and the left end of the third lever is fixedly provided with a pedal.
Further, the mandrel assembly comprises a mandrel, a striking part, a baffle plate, a shaft sleeve, a bolt and a spring; the shaft core is horizontally arranged forward, the baffle is fixed at the front end of the shaft core, the striking part is arranged at the front end of the baffle, the shaft sleeve is sleeved outside the shaft core, the rear end of the shaft core is provided with external threads, the external threads are connected with bolts in a threaded manner, and the spring is sleeved on the shaft core and is positioned between the shaft sleeve and the bolts.
Furthermore, the inner diameter of the shaft sleeve is slightly larger than the outer diameter of the shaft core, the front end and the rear end of the shaft sleeve are respectively provided with a circular truncated cone-shaped bulge, the upper band-type brake and the lower band-type brake are of arc structures, the radians of the upper band-type brake and the lower band-type brake are matched with the radians of the outer surface of the shaft sleeve, and the length of the shaft sleeve is larger than that of the upper band-type brake and the lower band-type brake.
Preferably, the central axis of the shaft core, the central axis of the shaft sleeve and the central axis of the circular truncated cone-shaped bulge are all coincident.
Preferably, the friction plate is a rubber asbestos friction plate.
Preferably, a first protective cover is arranged on the outer side of the opening and closing band-type brake, and the front end of the mandrel assembly penetrates through the first protective cover.
Preferably, a second protective cover is arranged on the rack at the outer side of the pedal lifting mechanism, the front end of the rotating shaft penetrates through the second protective cover, and the third lever and the pedal are arranged at the outer side of the second protective cover.
Preferably, the left rear side of the frame is additionally provided with a supporting rod which is obliquely arranged forwards.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
1. the training personnel can carry out piling training through waving the sledge striking dabber sub-unit, and the frictional force between band-type brake and the dabber sub-unit has further been increased in the setting of counter weight mechanism and friction disc, can effectively ensure training personnel's exercise intensity. The pedal lifting mechanism can lift the weight balancing mechanism, so that the pressure of the weight balancing mechanism to the opening and closing band-type brake is reduced, the mandrel assembly can be easily pulled out, and repeated exercise is facilitated.
2. The device has simple structure, is a pure mechanical device, does not need to use energy sources such as electricity, gas and the like, is energy-saving and environment-friendly, has small occupied area, can be used indoors, eliminates the influence of outdoor weather conditions, can be used for teaching and practicing at any time, and ensures the teaching and practicing process.
3. The setting of spring can slow down the dabber sub-assembly receive the striking back with open and shut the impact force between the band-type brake, reduce dabber sub-assembly and the damage of opening and shutting band-type brake, effectively increase of service life, but noise reduction simultaneously reduces the injury to the training personnel health.
4. The support rod which is arranged obliquely forwards is additionally arranged at the left rear side of the frame, and the mandrel assembly is arranged at the top of the left side of the frame and is directly acted by the large hammer, so that the stability and the impact resistance of the frame are improved due to the arrangement of the support rod, and the exercise safety is ensured.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of a second embodiment of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
FIG. 4 is a schematic view of a pedal lifting mechanism according to the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a swing hammer skill training machine is characterized in that: comprises a frame 1, a mandrel assembly 2, an opening and closing band-type brake 3, a counterweight mechanism 4 and a pedal lifting mechanism 5.
The top of the frame 1 is provided with an opening and closing band-type brake 3, a mandrel assembly 2 for hammering and beating is clamped in the opening and closing band-type brake 3, the mandrel assembly 2 is movably connected with the opening and closing band-type brake 3, a friction plate 6 is arranged at the contact part of the opening and closing band-type brake 3 and the mandrel assembly 2, and the friction plate is preferably made of rubber asbestos friction plates. The balance weight mechanism 4 is connected with the opening and closing band-type brake 3, the opening and closing band-type brake 3 downwards presses the mandrel assembly 2, and the balance weight mechanism 4 is connected with a pedal lifting mechanism 5 capable of lifting the balance weight mechanism.
Based on the structure, the training personnel can swing the sledge hammer to strike the mandrel assembly 2 to carry out piling training, and the friction between the opening and closing band-type brake 3 and the mandrel assembly 2 is further increased by the arrangement of the counterweight mechanism 4 and the friction plate 6, so that the training intensity of the training personnel can be effectively ensured. The pedal lifting mechanism 5 can lift the weight balancing mechanism 4, so that the pressure of the weight balancing mechanism 4 to the opening and closing band-type brake 3 is reduced, the mandrel assembly 2 can be easily pulled out, and repeated exercise is facilitated.
As shown in fig. 2-4, the opening and closing band-type brake 3 further comprises a base 7, an upper band-type brake 8 and a lower band-type brake 9; the counterweight mechanism 4 comprises a bracket 10, a lever 11, a counterweight mounting rod 12, a counterweight supporting plate 13 and a counterweight 14.
The lower band-type brake 9 is fixed at the left top of the frame 1 through the base 7, the support 10 is vertically arranged at the left side of the base 7, the left end of the lever 11 is hinged on the support 10, the upper band-type brake 8 is fixed at the bottom of the lever 11 and is positioned right above the lower band-type brake 9, the mandrel assembly 2 is horizontally arranged forwards and is positioned between the lower band-type brake 9 and the upper band-type brake 8, the counterweight mounting rod 12 is arranged in the vertical direction, the top of the counterweight mounting rod 12 is hinged with the right end of the lever 11, the counterweight supporting plate 13 is horizontally arranged at the lower part of the counterweight mounting rod 12, and the counterweight 14 is placed on the counterweight supporting plate 13 and embedded on the counterweight mounting rod 12.
Further, the pedal lifting mechanism 5 comprises two rotating shaft bases 15, a rotating shaft 16, a pedal 17, a second lever 18 and a third lever 19; the rotating shaft 16 is arranged horizontally forwards, the rotating shaft 16 penetrates through the two rotating shaft bases 15 and is connected with the rotating shaft bases 15 in a rotating mode, the rotating shaft bases 15 are arranged at the bottom of the right side of the frame 1, the left end of the second lever 18 is fixedly connected with the middle of the rotating shaft 16, and the right end of the second lever 18 is hinged to the bottom of the balancing weight installation rod 12; the third lever 19 is transversely arranged at the right front side of the frame 1, the right end of the third lever 19 is fixedly connected with the front end of the rotating shaft 16, and the left end of the third lever 19 is fixedly provided with a pedal 20.
Further, the mandrel assembly 2 includes a mandrel 20, a striking portion 21, a baffle 22, a sleeve 23, a bolt 24, and a spring 25. The axle core 20 level is set up forward, and separation blade 22 is fixed at axle core 20 front end, hits the portion 21 and sets up at separation blade 22 front end, the axle sleeve 23 cover is established outside axle core 20, and external screw thread 26 has been seted up to axle core 20 rear end, threaded connection has bolt 24 on the external screw thread 26, the spring 25 cover is established on axle core 20 and is located between axle sleeve 23 and bolt 24, and the setting of spring 25 can slow down dabber sub-assembly 2 receive the striking back and open and shut the impact force between band-type brake 3, reduces dabber sub-assembly 2 and the damage of band-type brake 3 that opens and shuts, effectively increase of service life, but noise reduction simultaneously reduces the injury to the training personnel health.
Furthermore, the inner diameter of the shaft sleeve 23 is slightly larger than the outer diameter of the shaft core 20, the front end and the rear end of the shaft sleeve 23 are respectively provided with a circular truncated cone-shaped bulge 27, the upper band-type brake 8 and the lower band-type brake 9 are of arc structures, the radians of the upper band-type brake 8 and the lower band-type brake 9 are matched with the radians of the outer surface of the shaft sleeve 23, and the length of the shaft sleeve 23 is larger than the lengths of the upper band-type brake 8 and the lower band-type brake 9. The central axis of the shaft core 20, the central axis of the shaft sleeve 23 and the central axis of the truncated cone-shaped bulge 27 are all coincident.
During exercise, the pedal 17 is firstly stepped down, the third lever 19 is inclined downwards towards the left end to drive the rotating shaft 16 to rotate, the right end of the second lever 18 is inclined upwards, the balancing weight installation rod 12 is driven to lift upwards, the right end of the balancing weight installation rod 12 is driven to lift upwards, the upper band-type brake 9 is separated from the mandrel assembly 2, the pressure on the mandrel assembly 2 is reduced, the mandrel assembly 2 is pulled to the forefront side until the mandrel assembly 2 is blocked by the round table-shaped bulge 27 at the inner side and can not be pulled outwards any more, and the swing hammer exercise can be performed. Under the pressure of the balancing weight 14 and the resistance of the friction plate 6, the training personnel can practice with great intensity. When the exercise is performed, the large hammer is aligned with the striking part 21 to strike, the mandrel assembly 2 moves slowly towards the inner side of the frame under the acting force until the large hammer is blocked by the external round table-shaped bulge 27 and can not strike inwards any more, and at the moment, the pedal 17 can be depressed again to pull the mandrel assembly 2 outwards for the exercise again.
Preferably, a first protection cover 28 is arranged on the outer side of the opening and closing band-type brake 3, and the front end of the mandrel assembly 2 penetrates through the first protection cover 28. The second protective cover 29 is arranged on the frame outside the pedal lifting mechanism 5, the front end of the rotating shaft 16 penetrates through the second protective cover 29, and the third lever 19 and the pedal 17 are arranged outside the second protective cover 29.
Preferably, as shown in fig. 1, a support rod 30 is additionally arranged at the left rear side of the stand 1 in a forward inclined manner, and since the mandrel assembly 2 is arranged at the top of the left side of the stand 1 and is directly acted by a large hammer, the stability and the impact resistance of the stand 1 are improved by the arrangement of the support rod 30, and the exercise safety is ensured.
The invention has simple structure, pure mechanical device, no need of using energy sources such as electricity, gas and the like, energy conservation and environmental protection, small occupied area, and can be used indoors, thereby eliminating the influence of outdoor weather conditions, and teaching and practicing can be performed at any time, and the teaching and practicing process is ensured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A swing hammer skill training machine, which is characterized in that: comprises a frame, a mandrel assembly, an opening and closing band-type brake, a counterweight mechanism and a pedal lifting mechanism;
the top of the frame is provided with an opening and closing band-type brake, a mandrel assembly for hammering and beating is clamped in the opening and closing band-type brake, the mandrel assembly is movably connected with the opening and closing band-type brake, a friction plate is arranged at the contact part of the opening and closing band-type brake and the mandrel assembly, the counterweight mechanism is connected with the opening and closing band-type brake and enables the opening and closing band-type brake to downwards press the mandrel assembly, and the counterweight mechanism is connected with a pedal lifting mechanism capable of lifting the opening and closing band-type brake;
the opening and closing band-type brake comprises a base, an upper band-type brake and a lower band-type brake; the counterweight mechanism comprises a bracket, a lever, a counterweight block mounting rod, a counterweight block supporting plate and a counterweight block;
the lower band-type brake is fixed at the top of the left side of the frame through a base, the support is vertically arranged at the left side of the base, the left end of the lever is hinged to the support, the upper band-type brake is fixed at the bottom of the lever and is positioned right above the lower band-type brake, the mandrel assembly is horizontally arranged forwards and is positioned between the lower band-type brake and the upper band-type brake, the balancing weight mounting rod is arranged in the vertical direction, the top of the balancing weight mounting rod is hinged to the right end of the lever, the balancing weight supporting plate is horizontally arranged at the lower part of the balancing weight mounting rod, and the balancing weight is placed on the balancing weight supporting plate and embedded on the balancing weight mounting rod;
the pedal lifting mechanism comprises two rotating shaft bases, a rotating shaft, a pedal, a second lever and a third lever; the rotating shaft is horizontally arranged forward, the rotating shaft penetrates through the two rotating shaft bases and is rotationally connected with the rotating shaft bases, the rotating shaft bases are arranged at the bottom of the right side of the frame, the left end of the second lever is fixedly connected with the middle part of the rotating shaft, and the right end of the second lever is hinged with the bottom of the balancing weight installation rod; the third lever is transversely arranged at the right front side of the frame, the right end of the third lever is fixedly connected with the front end of the rotating shaft, and the left end of the third lever is fixedly provided with a pedal;
the mandrel assembly comprises a mandrel, a striking part, a baffle plate, a shaft sleeve, a bolt and a spring; the shaft core is horizontally arranged forward, the baffle is fixed at the front end of the shaft core, the striking part is arranged at the front end of the baffle, the shaft sleeve is sleeved outside the shaft core, the rear end of the shaft core is provided with external threads, the external threads are connected with bolts in a threaded manner, and the spring is sleeved on the shaft core and is positioned between the shaft sleeve and the bolts.
2. The swing hammer skill exercise machine of claim 1, wherein: the inner diameter of the shaft sleeve is slightly larger than the outer diameter of the shaft core, the front end and the rear end of the shaft sleeve are respectively provided with a circular truncated cone-shaped bulge, the upper band-type brake and the lower band-type brake are of arc structures, the radian of the upper band-type brake and the lower band-type brake are matched with the radian of the outer surface of the shaft sleeve, and the length of the shaft sleeve is larger than the lengths of the upper band-type brake and the lower band-type brake.
3. The swing hammer skill exercise machine of claim 2, wherein: the central axis of the shaft core, the central axis of the shaft sleeve and the central axis of the circular truncated cone-shaped bulge are all coincident.
4. The swing hammer skill exercise machine of claim 1, wherein: the friction plate is a rubber asbestos friction plate.
5. The swing hammer skill exercise machine of claim 1, wherein: the outside of the opening and closing band-type brake is provided with a first protective cover, and the front end of the mandrel assembly penetrates through the first protective cover.
6. The swing hammer skill exercise machine of claim 1, wherein: the frame outside the pedal lifting mechanism is provided with a second protective cover, the front end of the rotating shaft penetrates through the second protective cover, and the third lever and the pedal are arranged outside the second protective cover.
7. The swing hammer skill exercise machine of claim 1, wherein: the left rear side of the frame is additionally provided with a supporting rod which is arranged obliquely forwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886367.0A CN110491237B (en) | 2019-09-19 | 2019-09-19 | Training machine for training of swing hammer skill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886367.0A CN110491237B (en) | 2019-09-19 | 2019-09-19 | Training machine for training of swing hammer skill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110491237A CN110491237A (en) | 2019-11-22 |
| CN110491237B true CN110491237B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910886367.0A Active CN110491237B (en) | 2019-09-19 | 2019-09-19 | Training machine for training of swing hammer skill |
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| CN (1) | CN110491237B (en) |
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|---|---|---|---|---|
| GB885262A (en) * | 1960-03-29 | 1961-12-20 | Massey Ltd B & S | Improvements in or relating to automatic friction drop hammers |
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| SU1267464A1 (en) * | 1984-07-03 | 1986-10-30 | Учебная Опытно-Конструкторская Организация Ленинградского Техникума Авиаприборостроения И Автоматики | Device for training operation with hammer |
| US5484365A (en) * | 1992-07-07 | 1996-01-16 | Medx Corporation | Leg press exercise machine |
| CN2232783Y (en) * | 1995-03-29 | 1996-08-14 | 于长水 | Ten-function body-building exerciser |
| RU2259598C1 (en) * | 2004-04-05 | 2005-08-27 | Смолин Николай Михайлович | Machine for training to work with hammer |
| CN200940278Y (en) * | 2006-07-07 | 2007-08-29 | 李福根 | Water blocking part for plumbing pipeline through building hole |
| JP2010134021A (en) * | 2008-12-02 | 2010-06-17 | Yokohama City | Method and device for feeling water hammer pressure |
| CN203606979U (en) * | 2013-12-09 | 2014-05-21 | 山东科技大学 | Welding technology universal training device |
| CN107507503A (en) * | 2017-09-29 | 2017-12-22 | 北京理工大学 | A kind of mechanical simulation apparatus for being used to train rotation handle method |
| CN208634244U (en) * | 2018-08-09 | 2019-03-22 | 北京精雕科技集团有限公司 | A kind of air-actuated band brake device |
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| CN211087577U (en) * | 2019-09-19 | 2020-07-24 | 李福根 | Swing sledge skill exerciser |
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2019
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| GB885262A (en) * | 1960-03-29 | 1961-12-20 | Massey Ltd B & S | Improvements in or relating to automatic friction drop hammers |
| DE2460452A1 (en) * | 1974-12-20 | 1976-06-24 | Schuler Gmbh L | Rapid clamping fixture for press tools - has actuating lever for ensuring rotating movement on clamping |
| SU1267464A1 (en) * | 1984-07-03 | 1986-10-30 | Учебная Опытно-Конструкторская Организация Ленинградского Техникума Авиаприборостроения И Автоматики | Device for training operation with hammer |
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| CN208634244U (en) * | 2018-08-09 | 2019-03-22 | 北京精雕科技集团有限公司 | A kind of air-actuated band brake device |
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| CN211087577U (en) * | 2019-09-19 | 2020-07-24 | 李福根 | Swing sledge skill exerciser |
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| 挥锤操作与训练方法;吴清;《中国教育技术装备》(第21期);126-129 * |
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| Publication number | Publication date |
|---|---|
| CN110491237A (en) | 2019-11-22 |
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