CN208533281U - A kind of electric tamping tool - Google Patents
A kind of electric tamping tool Download PDFInfo
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- CN208533281U CN208533281U CN201821154152.7U CN201821154152U CN208533281U CN 208533281 U CN208533281 U CN 208533281U CN 201821154152 U CN201821154152 U CN 201821154152U CN 208533281 U CN208533281 U CN 208533281U
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- piston
- rod
- cam
- guide rod
- jump bit
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- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
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- 230000003321 amplification Effects 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model discloses a kind of electric tamping tools, comprising: high-pressure cylinder, cam, jump bit and pick rod, the cam is rotated by motor driven, and cam pushes guide rod to run up, piston rod is acted on by guide rod, pushes piston to run up and the intracorporal compressed gas of cylinder is further compressed；After cam crosses the interference part, guide rod loses upward active force, and the intracorporal high pressure gas of cylinder pushes piston to run down, guide rod and jump bit is pushed to act on pick rod, taps pick rod.The utility model stores energy using pressure-air, piston is pushed to compress the compressed air in high-pressure cylinder further to do work with cam rotation, cam instantaneous relase piston, piston and jump bit high speed under the promotion of high pressure gas during rotation is moved to compressing opposite direction with high-pressure cylinder.The utility model has many advantages, such as high-efficient, noise is small, energy density is high, light-weight, size is small.
Description
Technical field:
The utility model relates to power tools technology fields, refer in particular to a kind of using compressed air as the Novel electric of power source
Dynamic tamping tool.
Background technique:
Electric rammer is commonly called as electric pick, and tamping tool traditional at present uses such as flowering structure: being rotated by motor and drives crank
It rotates, the rotation of crank drives gas piston to move reciprocatingly；Another relay piston also follows main gas under stress
Body piston moves reciprocatingly；Relay piston is connect with jump bit, and jump bit taps pick rod to achieve the effect that make firm by ramming.This structure lacks
Point is:
One, relay piston is the air pressure change generated in the reciprocating motion of main piston and the motive force or tractive force that generate
Lower acting, the efficiency of acting is very low.
Two, since the weight of relay piston and jump bit is big, cold start-up is difficult, and the vibration generated is also very big.
The present inventor proposes following new technical solution by continuously improving.
Utility model content:
Technical problem to be solved in the utility model is that overcoming the deficiencies of the prior art and provide a kind of utilize compresses
Air is come do work, electric tamping tool.
In order to solve the above-mentioned technical problem, the utility model uses a kind of following technical proposals: electric tamping tool
It include: a high-pressure cylinder, which includes: closed cylinder body filled with high pressure gas, is set in cylinder body and can be in cylinder body
The piston inside to move reciprocatingly, the piston rod for being fixedly connected with the piston and extending downwardly；One cam, the cam pass through motor driven
Rotation；One jump bit is fixed with a guide rod on the jump bit, and the corresponding cam is formed with an interference part on the guide rod, benefit
With the interference of the interference part and cam, drive leader is effected up；One pick rod, the pick rod are located at below jump bit,
By the downward hammer action of jump bit in pick rod；The cam is rotated by motor driven, and cam pushes guide rod upward
Operation acts on piston rod by guide rod, pushes piston to run up and is further compressed to the intracorporal high pressure gas of cylinder；Cam
After crossing the interference part, guide rod loses upward active force, and the intracorporal high pressure gas of cylinder pushes piston to run down, and promotion is led
Bar and jump bit act on pick rod, tap pick rod.
Furthermore, in above-mentioned technical proposal, the piston rod and guide rod opposite side are arranged with a guide sleeve.
Furthermore, in above-mentioned technical proposal, it is provided with buffer stopper corresponding with piston below the high-pressure cylinder,
When piston is run down, piston is formed using buffer stopper and is stopped.
Furthermore, in above-mentioned technical proposal, the guide rod is passed through by guide roller.
Furthermore, in above-mentioned technical proposal, the pick rod upper end, which is provided with, forms second stopped to jump bit
Buffer stopper.
Furthermore, in above-mentioned technical proposal, the interference part on the guide rod is a roller bearing.
Furthermore, in above-mentioned technical proposal, the upper end of the pick rod is extended in the stroke range of jump bit, and
And it is arranged with one outside the pick rod and enables it that there is the compressed spring for the trend that moves upwards.
Furthermore, in above-mentioned technical proposal, the guide rod uses with jump bit and is fixedly connected or is integrally formed.
Furthermore, in above-mentioned technical proposal, the piston uses with piston rod and is fixedly connected or is integrally formed.
After adopting the above technical scheme, utility model works principle are as follows: store energy using pressure-air, revolved with cam
It transfers and piston is pushed to compress the compressed air in high-pressure cylinder further to do work, cam instantaneous relase during rotation
Piston, piston and the jump bit high speed under the promotion of high pressure gas are moved to compressing opposite direction with high-pressure cylinder.
The utility model is after adopting the above technical scheme, it has the advantage that compared with the prior art
1, the utility model does not have cold start-up difficult problem present in the prior art；
2, the efficiency of the mechanical work of the utility model is higher；
3, the noise of the utility model is small, since piston and jump bit are the designs of separate type, i.e. high speed piston movement one
Stop motion and jump bit are also continuing high-speed motion forward under the action of buffer stopper after section distance, and jump bit is tapping pick rod
When be to be separated with piston, when jump bit taps pick rod, suffered reaction force is not directly transmitted on fuselage, so
Vibration can be smaller when complete machine works.
4, since the utility model uses pressure-air as power source, energy density is higher, so main screw lift
Can be lighter, size is also smaller.
Detailed description of the invention:
Fig. 1 is the main view of the utility model；
Fig. 2 is the internal structure perspective view of the utility model；
Fig. 3 is the amplification stereogram in Fig. 2 at A；
Fig. 4 is another view stereo figure in Fig. 3；
Fig. 5 is the utility model internal structure cross-sectional view；
Fig. 6 is the partial enlarged view in Fig. 5 at B；
Fig. 7 is the working principle diagram of the utility model.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
As shown in Fig. 1 to Fig. 6, the utility model be a kind of electric tamping tool comprising: high-pressure cylinder 1, handle 2,
Motor 4, reduction gear box 5, cam 10, jump bit 12 and pick rod 6.
As shown in connection with fig. 6, the high-pressure cylinder 1 is located at the top of entire tamping tool comprising: filled with high pressure gas
Closed cylinder body, be set in 1 cylinder body of high-pressure cylinder and can move reciprocatingly in cylinder body piston 7, be fixedly connected with piston 7
And the piston rod 15 extended downwardly.The high pressure gas being filled in the cylinder body of high-pressure cylinder 1 is acted in the pressure of this high pressure gas
Under, while under no external force, piston 7 is compressed on the bottom of cylinder body by high pressure gas, and by a buffer stopper 8 to piston
7 form blocking.The buffer stopper 8 is set to 1 lower end of high-pressure cylinder, which is made of rubber material, when piston 7 is downward
When operation, piston 7 is formed using buffer stopper 8 and is stopped.In the present embodiment, fixation is can be used in the piston 7 and piston rod 15
Connection is integrally formed.
The cam 10 is located at the lower section of high-pressure cylinder 1, which is driven by motor 4, specifically, described
Motor 4 and a reduction gear box 5 interlock, and the shaft of the cam 10 is the output shaft of reduction gear box 5.What motor 4 exported
Torque acts on cam 10 after slowing down and amplifying torque by reduction gear box 5.In the present embodiment, the cam 10 has
The gear teeth of three protrusions.Certainly, the number of gear teeth of cam 10 can be set as needed.
The jump bit 12 is a solid metal block, is fixed with a guide rod 16 thereon.The guide rod 16 and punching
Hammer 12, which can be used, to be fixedly connected or is integrally formed.The guide rod 16 extends upwardly to the lower section of piston rod 15, guide rod 16
Both it using separation design between piston rod 15, i.e., is not fixedly connected, in order to keep between the two accurate right
Position is arranged with a guide sleeve 9 in piston rod 15 and 16 opposite side of guide rod, and piston rod 15 and 16 opposite side of guide rod are inserted into should
In guide sleeve 9.
The guide rod 16 is to realize to run up by the driving of cam 10, and specific structure is as follows: on the guide rod 16
The corresponding cam 10 is formed with an interference part, and guide rod 16 is effected up using the interference part by cam 10, in conjunction with
The present embodiment, the interference part on the guide rod 16 are a roller bearing 14.When cam 10 rotates counterclockwise, gear tooth portions rotation
Path can be formed and interfere with roller bearing 14, in this way in the range of the cam gear teeth and roller bearing 14 are interfered, cam 10 will push roller bearing
14 and guide rod 16 is driven to run up, so that guide rod 16 be pushed to act on piston rod 15, and pushes piston 7 further empty to compression
Gas is compressed.Until the gear teeth and 1 axis of idler wheel of cam 10 are detached from interference range, the compressed air moment in high-pressure cylinder 1 is released
It puts, piston rod 7 and guide rod 16 is pushed to run down.
In conjunction with shown in Fig. 3,4, in the present embodiment, there are two the cam 10 of Driven by Coaxial, the two cams 10 are same for setting altogether
When be fixed on the output shaft of reduction gear box 5.The roller bearing 14 being arranged on the guide rod 16 will be worn penetrate entire guide rod 16 before
Both ends afterwards, to be respectively formed interference with two cams 10 respectively.
In addition, the guide rod 16 is by two groups of orienting rolls in order to ensure guide rod 16 keeps stablizing in upper and lower operational process
Wheel 11 passes through, this two groups of guide rollers are located at the two sides up and down of cam 10.Guide rod 16 is led by guide roller 11
To positioning.
The pick rod 6 is located at 12 lower section of jump bit, by the downward hammer action of jump bit 12 in pick rod 6, the pick
6 upper end of pricker, which is provided with, forms the second buffer stopper 13 stopped to jump bit 12.The upper end of the pick rod 6 extends to jump bit 12
Stroke range in, and outside the pick rod 6 be arranged with one it enabled to have and move upwards the compressed spring 61 of trend.
It is further detailed below with reference to working principle of the Fig. 6 to the utility model.
Firstly, user holds handle 2, motor 4 is opened, the starting of motor 4 starts to rotate, drive by reduction gear box 5
Cam 10 rotates, and cam 10 passes through the roller bearing 14 interfered therewith and pushes guide rod 16 and jump bit 12 together to 7 compression direction of piston
Movement, i.e., guide rod 16 moves upwards along guide sleeve 9, and piston rod 15 is pushed to run up, so that piston 7 be pushed further to compress
The air of the closed cylinder of high-pressure cylinder 1 does work, and stores energy.
Then, when cam 10 rotates to some stroke, cam 10 is separated with the roller bearing 14 on guide rod 16, i.e., cam 10 with
Guide rod 16 and jump bit 12 instantaneously separate, and guide rod 16 and 12 moment of jump bit lose upward power at this time, in high-pressure cylinder 1
Compressed air will push piston 7 to the opposite direction high-speed motion with compression chamber, and piston 7 pushes guide rod 16 by piston rod 15
It is moved downward with 12 high speed of jump bit, jump bit 12 is made to obtain kinetic energy.
Then, stopped and stop motion when piston 7 and piston rod 15 run to some stroke by buffer stopper 8, live at this time
Stopper rod 15 is separated with guide rod 16.But jump bit 12 and guide rod 16 have obtained enough kinetic energy and have continued to move downward and tap pick
Pricker 6.
Finally, after jump bit 12 taps pick rod 6, and after moving a trip downwardly together with pick rod 6, jump bit 12 is by the
Two buffer stoppers 13 stop and stop motion, and the kinetic energy of jump bit 12 is all or part of to be transmitted to pick rod 6.Pick rod 6 continues to transport downwards
Then row resets until kinetic energy runs out of under the action of compressed spring 61, at this point, a complete impulse stroke terminates, it is quasi-
It is standby to start next working cycles.
It certainly, is not to limit the utility model and implement the foregoing is merely specific embodiment of the utility model
Range, all equivalent change or modifications done according to structure, feature and principle described in present utility model application the scope of the patents, should all wrap
It includes in present utility model application the scope of the patents.
Claims (9)
1. a kind of electric tamping tool, which is characterized in that the electric rammer includes:
High-pressure cylinder (1), the high-pressure cylinder (1) include: closed cylinder body filled with high pressure gas, are set in cylinder body and can be in cylinder
The piston (7) to move reciprocatingly in vivo, the piston rod (15) for being fixedly connected and extending downwardly with piston (7)；
Cam (10), the cam (10) pass through motor (4) driving rotation；
Jump bit (12) is fixed with a guide rod (16) on the jump bit (12), the corresponding cam (10) on the guide rod (16)
It is formed with an interference part, drive leader (16) is interfered with interference part using cam (10) and effects up；
Pick rod (6), the pick rod (6) are located at below jump bit (12), by the downward hammer action of jump bit (12) in pick rod
(6)；
The cam (10) is by motor (4) driving rotation, and cam (10) pushes guide rod (16) to run up, by guide rod
(16) it acts on piston rod (15), pushes piston (7) to run up and the intracorporal high pressure gas of cylinder is further compressed；Cam
(10) after crossing the interference part, guide rod (16) loses upward active force, and the intracorporal high pressure gas of cylinder pushes piston (7) downward
Operation pushes guide rod (16) and jump bit (12) to act on pick rod (6), taps pick rod (6).
2. a kind of electric tamping tool according to claim 1, which is characterized in that the piston rod (15) and guide rod
(16) opposite side is arranged with a guide sleeve (9).
3. a kind of electric tamping tool according to claim 1, which is characterized in that below the high-pressure cylinder (1)
It is provided with buffer stopper (8) corresponding with piston (7), when piston (7) is run down, piston (7) is formed using buffer stopper (8) and are hindered
Gear.
4. a kind of electric tamping tool according to claim 1, which is characterized in that the guide rod (16) is by orienting roll
It is passed through in wheel (11).
5. a kind of electric tamping tool according to claim 1, which is characterized in that pick rod (6) the upper end setting
Have and the second buffer stopper (13) stopped is formed to jump bit (12).
6. a kind of electric tamping tool described in any one of -5 according to claim 1, which is characterized in that the guide rod
(16) interference part on is a roller bearing (14).
7. a kind of electric tamping tool described in any one of -5 according to claim 1, which is characterized in that the pick rod
(6) upper end extends in the stroke range of jump bit (12), and is arranged with one outside the pick rod (6) and it is enabled to have upwards
The compressed spring (61) of movement tendency.
8. a kind of electric tamping tool described in any one of -5 according to claim 1, which is characterized in that the guide rod
(16) it is used with jump bit (12) and is fixedly connected or is integrally formed.
9. a kind of electric tamping tool described in any one of -5 according to claim 1, which is characterized in that the piston
(7) it is used with piston rod (15) and is fixedly connected or is integrally formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018211263837 | 2018-07-14 | ||
| CN201821126383 | 2018-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208533281U true CN208533281U (en) | 2019-02-22 |
Family
ID=65385367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821154152.7U Active CN208533281U (en) | 2018-07-14 | 2018-07-19 | A kind of electric tamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208533281U (en) |
-
2018
- 2018-07-19 CN CN201821154152.7U patent/CN208533281U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190318 Address after: 510000 Master's Degree 2010, College of Earth Communications, No. 381 Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Xu Ying Address before: 523000 Second Floor, Building C, 29 Baohong Road, Baotun Community, Houjie Town, Dongguan City, Guangdong Province Patentee before: Dongguan Yu Chen Mechanical & Electrical Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |