CN214923937U - Impact gearbox locking device - Google Patents
Impact gearbox locking device Download PDFInfo
- Publication number
- CN214923937U CN214923937U CN202121448724.4U CN202121448724U CN214923937U CN 214923937 U CN214923937 U CN 214923937U CN 202121448724 U CN202121448724 U CN 202121448724U CN 214923937 U CN214923937 U CN 214923937U
- Authority
- CN
- China
- Prior art keywords
- screw
- group
- hole group
- box body
- impact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model relates to an electric torque wrench, in particular to an impact gearbox locking device, which comprises a first screw group and a second screw group, wherein the first screw group and the second screw group respectively comprise at least three screws; the first box body is fixedly connected with the second box body through a first screw group, and the first box body, the second box body and the machine shell are fixedly connected through a second screw group. The utility model provides an impact tooth case locking device fixes through adopting two sets of bolts, very big improvement the reliability of connection, prolonged life, reduced maintenance cycle and maintenance cost, convenient to use.
Description
Technical Field
The utility model relates to an electronic wrench for torsion, especially impact tooth case locking device.
Background
The electric fixed-torque wrench is a tool for screwing and unscrewing a bolt and a nut of a railway steel rail, and is a tool for railway engineering electric service construction, maintenance and rush-repair operation; the bolt and nut operation method is suitable for bolt and nut operation of existing line reconstruction and newly-built railways. The electric fixed-torque wrench mainly comprises an impact transmission assembly, a motor, a machine shell, a switch reversing assembly, a lithium battery and a sleeve, wherein the impact transmission assembly comprises a first transmission box body and a second transmission box body. Strike drive assembly and be used for providing the moment of torsion of swivel nut or bolt, provide axial impact force simultaneously, therefore electronic wrench's vibration is very big surely, strike drive assembly's first box, second box and casing are through several bolt fixed connection, the motor is installed in the casing, the bolt of connecting the casing and assaulting drive assembly is not hard up easily under the vibration, will lead to electronic wrench's unable normal work surely after one of them bolt is not hard up, because the bolt leads to the axis of motor and the axis of assaulting drive assembly not on same axis after not hard up, lead to the motor locking, the life has greatly been influenced, lead to electronic wrench's life weak point, maintain frequently, use inconveniently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides an impact gearbox locking device which is connected reliably with the casing by an impact transmission assembly and has long service life, the concrete technical scheme is:
the impact gearbox locking device comprises a first screw group and a second screw group, wherein the first screw group and the second screw group respectively comprise at least three screws; the first box body is fixedly connected with the second box body through a first screw group, and the first box body, the second box body and the machine shell are fixedly connected through a second screw group.
Through adopting above-mentioned technical scheme, realize reliable connection through two screw groups, wherein first screw group realizes being connected of first box and second box to improve the reliability that strikes the drive assembly and connect, then fix first box and second box on the casing through second screw group, realize the double locking, effectively guaranteed stable, reliable connection, thereby avoid the not hard up problem of screw because of the vibration arouses.
Preferably, the first and second screw groups have screws with different diameters.
Through adopting above-mentioned technical scheme, the screw group that the diameter is different can prevent the assembly error, reduces occupation space simultaneously, avoids connecting portion bulky.
Further, the screw thread glue coating device further comprises a screw thread glue coated on the screw.
Through adopting above-mentioned technical scheme, the thread gluing can improve the reliability of connecting, prevents that the screw from becoming flexible.
Preferably, the locking device further comprises a locking washer, and the locking washer is inserted on the screw.
Preferably, the first box body is provided with a first screw hole group and a second screw hole group, and the first screw hole group and the second screw hole group respectively comprise at least three screw holes; the second box body is provided with a first through hole group and a second through hole group, the first through hole group corresponds to the first screw hole group, the through hole of the first through hole group is a stepped hole, and the first screw group is respectively connected with the first screw hole group and the first through hole group; the shell is provided with a third through hole group, the second through hole group and the second screw hole group are corresponding, and the second screw group is connected with the third through hole group, the second through hole group and the second screw hole group respectively.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides an impact tooth case locking device fixes through adopting two sets of bolts, very big improvement the reliability of connection, prolonged life, reduced maintenance cycle and maintenance cost, convenient to use.
Drawings
FIG. 1 is a schematic view of the impact gearbox locking device;
FIG. 2 is an exploded view of the first and second housings;
FIG. 3 is a schematic structural view of a second casing;
fig. 4 is a schematic structural view of the housing.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the impact gearbox locking device includes a first screw group 31 and a second screw group 32, and each of the first screw group 31 and the second screw group 32 includes not less than three screws; the first box 1 and the second box 2 are fixedly connected through a first screw group 31, and the first box 1, the second box 2 and the housing 4 are fixedly connected through a second screw group 32.
Realize reliable connection through two screw groups, wherein first screw group 31 realizes being connected of first box 1 and second box 2 to improved the reliability that strikes the drive assembly and connect, then rethread second screw group 32 fixes first box 1 and second box 2 on casing 4, realizes the double locking, has effectively guaranteed stable, reliable connection, thereby avoids the not hard up problem of screw because of the vibration arouses.
The first screw group 31 and the second screw group 32 have different diameters of screws. The screw group that the diameter is different can prevent assembly error, reduces occupation space simultaneously, avoids connecting portion bulky.
The first box body 1 is provided with a first screw hole group 11 and a second screw hole group 12, and the first screw hole group 11 and the second screw hole group 12 respectively comprise at least three screw holes; the second box body 2 is provided with a first through hole group 21 and a second through hole group 22, the first through hole group 21 corresponds to the first screw hole group 11, the through hole of the first through hole group 21 is a stepped hole, and the first screw group 31 is respectively connected with the first screw hole group 11 and the first through hole group 21; the housing 4 is provided with a third through hole group 41, the second through hole group 22 and the second screw hole group 12 correspond to each other, and the second screw group 32 is connected to the third through hole group 41, the second through hole group 22 and the second screw hole group 12, respectively.
Specifically, the first box 1 is provided with four first fixing seats 13, and the first fixing seats 13 are arranged in an array, and the first screw group 31 and the second screw hole group 12 are both arranged on the first fixing seats 13; the first screw hole group 11 is located on the inner side, the number of the screw holes is four, the number of the screw holes of the first screw hole group 11 is M5, the number of the screw holes of the second screw hole group 12 is M6, and the number of the screw holes of the second screw hole group 12 is four.
The second box body 2 is provided with four second fixed seats 23, the second fixed seats 23 are arranged in an array and are opposite to the first fixed seat 13, and the first through hole group 21 and the second through hole group 22 are both arranged on the second fixed seats 23; the first through hole group 21 is located on the inner side of the second fixing seat 23, four through holes are arranged in an array and correspond to the threaded holes of the first threaded hole group 11, the second through hole group 22 is located on the outer side, and four through holes are arranged in an array and correspond to the threaded holes of the second threaded hole group 12.
As shown in fig. 4, four third fixing seats 42 are arranged on the housing 4 in an array, the third through hole group 41 is arranged on the third fixing seats 42, and the third through hole group 41 corresponds to the second through hole group 22 and the second screw hole group 12.
The M5 screw of the first screw group 31 is connected to the M5 screw hole of the first screw group 11 through the stepped hole of the first through hole group 21, and the M6 screw of the second screw group 32 is connected to the M6 screw hole of the second screw group 12 through the through holes of the second through hole group 22 and the third through hole group 41. The screw length of the first screw group 31 is smaller than that of the second screw group 32, the screw used in the first screw group 31 is M5X20, and the screw used in the second screw group 32 is M6X 45. .
In some embodiments, the screw further comprises thread glue, and the thread glue is coated on the screw. The thread glue can improve the reliability of connection and prevent the screw from loosening.
In some embodiments, the locking device further comprises a locking washer, and the locking washer is inserted on the screw.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (5)
1. The impact gearbox locking device is characterized by comprising a first screw group and a second screw group, wherein the first screw group and the second screw group respectively comprise at least three screws;
the first box body is fixedly connected with the second box body through a first screw group, and the first box body, the second box body and the machine shell are fixedly connected through a second screw group.
2. The impact gearbox locking device of claim 1, wherein the screws of said first and second screw sets differ in diameter.
3. The impact gearbox locking device of claim 1, further comprising a thread compound applied to said screw.
4. The impact gearbox locking device according to any one of claims 1 to 3, further comprising a lock washer inserted on said screw.
5. The impact gearbox locking device according to any one of claims 1 to 3, wherein a first screw hole group and a second screw hole group are provided on the first casing, each of the first screw hole group and the second screw hole group including not less than three screw holes;
the second box body is provided with a first through hole group and a second through hole group, the first through hole group corresponds to the first screw hole group, the through hole of the first through hole group is a stepped hole, and the first screw group is respectively connected with the first screw hole group and the first through hole group;
the shell is provided with a third through hole group, the second through hole group and the second screw hole group are corresponding, and the second screw group is connected with the third through hole group, the second through hole group and the second screw hole group respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448724.4U CN214923937U (en) | 2021-06-28 | 2021-06-28 | Impact gearbox locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448724.4U CN214923937U (en) | 2021-06-28 | 2021-06-28 | Impact gearbox locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214923937U true CN214923937U (en) | 2021-11-30 |
Family
ID=79076938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121448724.4U Active CN214923937U (en) | 2021-06-28 | 2021-06-28 | Impact gearbox locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214923937U (en) |
-
2021
- 2021-06-28 CN CN202121448724.4U patent/CN214923937U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103192336B (en) | Method for bolt fastening of suspension clamp of power transmission line | |
| CN214923937U (en) | Impact gearbox locking device | |
| CN201487072U (en) | Slack-preventing device of coupling | |
| CN1054092C (en) | Spanner | |
| CN111515672A (en) | Shaft end nut assembling and disassembling mechanism for dynamic diagnosis based on double-row tapered roller bearing | |
| CN210440405U (en) | Anti-loosening fastener | |
| CN201645365U (en) | Transitional tooling for torque wrenches | |
| CN212351865U (en) | Marine diesel gear mandrel tightening tool | |
| CN112994346B (en) | Actuator | |
| CN202203558U (en) | Locking device of hinged type pipe joint | |
| CN209510883U (en) | A kind of bolt and nut Self tightening device | |
| CN101635442A (en) | Electrified fastening rod for insulator nuts and method for fastening same | |
| CN114290288A (en) | Spacecraft final assembly fastener pre-tightening device based on torque reversing | |
| CN209557462U (en) | A kind of backstop lock nut, vehicle, generating equipment and track | |
| CN111843928A (en) | Marine diesel engine gear spindle screwing tool and screwing method | |
| CN207819586U (en) | A kind of damping ring is connected and fixed structure | |
| CN221374362U (en) | High stability lead screw | |
| CN215890748U (en) | Fixed check bolt structure of V type round pin | |
| CN208951268U (en) | A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear | |
| CN202229772U (en) | Coder installation structure | |
| CN220783731U (en) | Mounting tool with flange hole threaded ring | |
| CN219549408U (en) | Automobile rotating shaft connecting flange | |
| CN214588660U (en) | Locking structure for circuit breaker | |
| CN213711543U (en) | Rivet made of left-tooth screw through back locking | |
| CN202953010U (en) | Shaft end driving device for wheel set of high-speed motor train unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |