CN112873114A - Signal sleeve and tightening tool - Google Patents
Signal sleeve and tightening tool Download PDFInfo
- Publication number
- CN112873114A CN112873114A CN201911203068.9A CN201911203068A CN112873114A CN 112873114 A CN112873114 A CN 112873114A CN 201911203068 A CN201911203068 A CN 201911203068A CN 112873114 A CN112873114 A CN 112873114A
- Authority
- CN
- China
- Prior art keywords
- signal
- sleeve
- tightening
- tightening tool
- housing
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a signal sleeve and a screwing tool, and relates to the technical field of mechanical accessories. The signal sleeve includes: a housing; a drive shaft disposed within the housing; wherein the transmission shaft is connected with a standard sleeve; an electric signal slip ring sleeved on the transmission shaft; and the signal connector is electrically connected with the electrical signal slip ring. A tightening tool for use with the signal sleeve includes: the driving side is connected with the driving square hole of the signal sleeve; a pretightening force measuring instrument for measuring and controlling the pretightening force of the bolt; a tightening tool body connected to the housing of the signal sleeve. According to the embodiment of the invention, the driving square hole of the signal sleeve is in matched connection with the driving side of the tightening tool, the pre-tightening force is detected in real time in the tightening process by the pre-tightening force measuring instrument, and the tightening tool is controlled to stop when the internal set value range of the pre-tightening force measuring instrument is reached, so that the quality and the reliability of the tightening connection are improved.
Description
Technical Field
The invention relates to the technical field of mechanical accessories, in particular to a signal sleeve and a screwing tool.
Background
The bolt connection is the most main form of structural connection, and has the characteristics of repeatable disassembly, good interchangeability, wide application and the like. The installation process of the bolt connection is mainly completed by a tightening tool at present. The form of the device mainly comprises a manual wrench, an electric tightening gun and the like. Whether the installation is in place is mainly judged by torque or angle. From the design angle of bolt connection, the pretightening force is a direct design index for realizing bolt connection. At present, the pretightening force on the bolt cannot be measured in real time in the fastening process, so that the quality and the reliability of fastening connection cannot be completely guaranteed.
Disclosure of Invention
The embodiment of the invention provides a signal sleeve and a tightening tool, and aims to solve the problem that the pretightening force on a bolt cannot be measured in real time in the tightening process.
In order to solve the above technical problem, an embodiment of the present invention provides a signal sleeve, including:
a housing;
a drive shaft disposed within the housing; wherein the transmission shaft is connected with a standard sleeve;
an electric signal slip ring sleeved on the transmission shaft;
and the signal connector is electrically connected with the electrical signal slip ring.
Further, a rotor of the electric signal slip ring is fixedly connected with the transmission shaft;
and the stator of the electric signal slip ring is fixedly connected with the signal joint.
Further, the signal sleeve of the embodiment of the present invention further includes:
blocking the cover;
the blanking cover is fixed in signal joint top, and with shell fixed connection, just the transmission shaft passes a predetermined distance of blanking cover.
Further, the top of the transmission shaft is provided with a rotatable driving square hole.
Further, the standard sleeve comprises a probe and a magnetic ring;
the probe is fixed on the transmission shaft through a probe fixing seat;
the magnetic ring is fixed between the probe and the probe fixing seat.
Further, the probe forms a first signal loop to the center of the signal connector;
the standard sleeve forms a second signal loop to the housing of the signal connector.
An embodiment of the present invention further provides a tightening tool, including:
the driving side is connected with the driving square hole of the signal sleeve;
a pretightening force measuring instrument for measuring and controlling the pretightening force of the bolt;
a tightening tool body connected to the housing of the signal sleeve.
Further, the housing of the tightening tool body is connected to the housing of the signal sleeve, and remains relatively stationary.
Further, the tightening tool according to the embodiment of the present invention further includes:
a rotating device; the rotating device is connected with the driving part.
Furthermore, the pretensioning force measuring device is integrated into the interior of the tightening tool or is connected to the exterior of the tightening tool via a signal connection of the signal sleeve.
The invention has the beneficial effects that:
the embodiment of the invention has wide applicability, and the tightening shaft or the mechanical arm for the production line can be connected with the signal sleeve through the connecting driving party no matter the tightening shaft or the mechanical arm is a manual torque wrench, a solid wrench, an automatic electric tightening battery gun or a production line, so that the pre-tightening force display or control in the tightening process is realized; the signal sleeve of the embodiment of the invention can fasten bolts with different specifications by replacing the standard sleeve; according to the embodiment of the invention, through the matching of the tightening tool and the signal sleeve, the pre-tightening force can be detected by the pre-tightening force measuring instrument in real time, so that the problem that the pre-tightening force on the bolt cannot be measured in real time in the fastening process is avoided, and the quality and reliability of fastening connection are improved.
Drawings
FIG. 1 is a schematic diagram of a signal sleeve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a tightening tool according to an embodiment of the present invention.
Description of reference numerals:
1-a signal connector; 2-blocking the cover; 3-a housing; 4-a transmission shaft; 5-an electrical signal slip ring; 6-a bearing; 7-retainer ring for hole; 8-standard sleeve; 9-a probe fixing seat; 10-a magnetic ring; 11-a rotor; 12-a stator; 13-a probe; 20-a signal sleeve; 21-a driving side; 22-tightening the tool body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The invention provides a signal sleeve and a tightening tool, aiming at the problem that the pre-tightening force on a bolt cannot be measured in real time in the tightening process.
As shown in fig. 1, an embodiment of the present invention provides a signal sleeve, including:
a housing 3;
a transmission shaft 4 disposed in the housing 3; wherein the transmission shaft 4 is connected with a standard sleeve 8;
an electric signal slip ring 5 sleeved on the transmission shaft 4;
and the signal connector 1 is electrically connected with the electrical signal slip ring 5.
It should be noted that in the embodiment of the present invention, the signal slip ring is connected with the signal connector on the relatively stationary casing of the tool, and the signal connector internally includes the signal cable, and the signal of the standard sleeve 8 is transmitted to the instrument to be used through the signal connector 1 through the transmission shaft 4. Here, the transmission shaft 4 can be connected to the standard socket 8 via a bearing 6; and the bearing 6 can be matched and connected with a hole retainer ring 7. Here, the electrical signal slip ring 5 plays a main balancing role by adding a bearing to the transmission shaft in order to improve an auxiliary balancing role, and if the standard sleeve 8 is short, it is not necessary to install the bearing 6 and the hole retainer ring 7, depending on the actual situation, and there is no particular limitation.
It should be noted that the outer housing part from the electrical signal slip ring 5 to the bearing 6 can be made according to the outer diameter or thread size of the electrical signal slip ring 5 or the bearing 6, which is not limited in particular, so that the signal sleeve can be made to be complete and beautiful, and the structure of the signal sleeve can be made to be more compact.
Optionally, the rotor 11 of the electrical signal slip ring 5 is fixedly connected with the transmission shaft 4;
and a stator 12 of the electrical signal slip ring 5 is fixedly connected with the signal joint 1.
It should be noted that the electrical signal slip ring 5 has small rotation resistance and stable signal transmission, and the rotor 11 of the electrical signal slip ring 5 can meet the requirement of high rotation speed of a tightening tool, and can reach 1000 rpm; in the embodiment of the invention, the signal is transmitted from the rotating sleeve to the end of the stator 12 by utilizing the electric signal slip ring 5, so that the winding of a cable in the screwing process is avoided.
Optionally, the signal sleeve of the embodiment of the present invention further includes:
a plug cover 2;
the blanking cover 2 is fixed above the signal connector 1 and is fixedly connected with the shell 3, and the transmission shaft 4 penetrates through the blanking cover 2 by a preset distance.
The blocking cover 2 is additionally arranged above the inside of the signal sleeve, the inner cable is hidden in the blocking cover 2, and devices inside the protective sleeve are isolated from the environment, so that the environmental adaptability of the sleeve is improved; the transmission shaft 4 penetrates through the blocking cover 2 for a preset distance, and the preset distance can be designed according to actual conditions and is not specifically limited here.
Specifically, the top of the transmission shaft 4 is provided with a rotatable driving square hole. The driving square hole is connected with a tightening tool, the driving shaft 4 is driven to rotate through the operation of the tool, and the torque is transmitted to the standard sleeve 8 below the driving shaft 4.
Optionally, the standard sleeve 8 comprises a probe 13 and a magnetic ring 10;
the probe 13 is fixed on the transmission shaft 4 through a probe fixing seat 9;
the magnetic ring 10 is fixed between the probe 13 and the probe fixing seat 9.
It should be noted that the magnetic ring 10 can keep the sleeve in reliable contact with the bolt in the bolt tightening process, so as to ensure the stability of the contact between the sleeve and the bolt head when the bolt is tightened; the probe 13 is fixed on the transmission shaft 4 by the probe fixing seat 9, a terminal wiring on the probe fixing seat 9 is connected with the rotor 11 of the electric signal slip ring 5 through an inner hole of the transmission shaft 4, and the stator 12 of the electric signal slip ring 5 is connected with a relatively static signal joint on the shell 3. Wherein, the probe fixing seat 9 and the probe 13 are in clearance fit, and the probe is convenient to replace when worn.
Optionally, the probe 13 forms a first signal loop to the center of the signal connector 1; the standard sleeve 8 forms a second signal loop to the housing of the signal connection 1. Here, the probe 13 itself may also have a multi-stage circuit, and different types of probes may be selected according to actual situations, and are not limited in particular.
As shown in fig. 2, an embodiment of the present invention provides a tightening tool including:
the driving side 21 is connected with the driving side hole of the signal sleeve;
a pretightening force measuring instrument for measuring and controlling the pretightening force of the bolt;
a tightening tool body connected to the housing of the signal sleeve.
It should be noted that the tightening tool according to the embodiment of the present invention may perform bolt pretension measurement, and the tightening tool may control the stop and start of the signal sleeve cooperatively connected with the driver 21. Specifically, the tightening tool used with the signal sleeve is connected to the signal sleeve through the driving part 21, and the pretension force measuring instrument is connected to the signal sleeve through the signal connector 1. When the tightening operation is carried out, the tightening tool can carry out bolt pretightening force measurement through the pretightening force measuring instrument, the pretightening force measuring instrument compares a measured pretightening force result with a preset value in the pretightening force measuring instrument, and when the pretightening force measuring instrument reaches a preset value range, the pretightening force measuring instrument sends a signal to the tightening tool and controls the tightening tool to stop so as to realize the tightening operation controlled by the pretightening force.
Optionally, the pretension measuring device is integrated into the interior of the tightening tool or is connected to the exterior of the tightening tool via a signal connection of the signal sleeve.
It should be noted that the pretightening force measuring instrument may be externally connected or internally connected according to actual conditions, and is not particularly limited herein; the pre-tightening force measuring instrument is an ultrasonic bolt pre-tightening force measuring instrument, and the ultrasonic bolt pre-tightening force measuring instrument and a tightening tool are integrated, so that the change condition of corresponding pre-tightening force is measured during tightening operation. In the embodiment of the invention, the driving part 21 of the tightening tool is inserted into the driving hole of the transmission shaft 4 of the signal sleeve, and the transmission shaft 4 rotates under the action of the tightening tool to transmit the torque to the standard sleeve 8 below.
In particular, the housing of the tightening tool body is connected to the housing of the signal sleeve, remaining relatively stationary.
Optionally, the tightening tool according to the embodiment of the present invention further includes:
a rotating device; the rotating device is connected with the driving part 21.
It should be noted that the rotating device rotates to drive the driving part 21, the driving part 21 is fixedly connected with the driving square hole of the signal sleeve, so as to drive the signal sleeve to rotate, and the signal sleeve transmits the pre-tightening force to the pre-tightening force measuring instrument. Here, if the tightening tool is an electric tightening tool, the tightening tool may further include a switch; the rotating device is electrically connected with the switch, and the switch controls the starting and the closing of the rotating device; of course, the tightening tool may be a manual tightening tool, and is not particularly limited herein.
In summary, the signal sleeve in the embodiment of the present invention has wide applicability, and both a manual torque wrench, a solid wrench, an automatic electric tightening battery gun, and a tightening shaft or a mechanical arm for a production line can be connected to the signal sleeve by a connection driving part, so as to display or control a pre-tightening force during tightening; the signal sleeve of the embodiment of the invention can fasten bolts with different specifications by replacing the standard sleeve; according to the embodiment of the invention, the tightening tool and the signal sleeve are used in a matched manner, so that the pre-tightening force can be detected by the pre-tightening force measuring instrument of the tightening tool in real time, the problem that the pre-tightening force on a bolt cannot be measured in real time in the fastening process is avoided, and the quality and the reliability of fastening connection are improved.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. A signal sleeve, comprising:
a housing (3);
a transmission shaft (4) arranged in the shell (3); wherein the transmission shaft (4) is connected with a standard sleeve (8);
an electric signal slip ring (5) sleeved on the transmission shaft (4);
and the signal joint (1) is electrically connected with the electrical signal slip ring (5).
2. The signal bushing of claim 1, wherein the rotor (11) of the electrical signal slip ring (5) is fixedly connected to the drive shaft (4);
and a stator (12) of the electric signal slip ring (5) is fixedly connected with the signal joint (1).
3. The signal sleeve of claim 1, further comprising:
a closure cap (2);
the blocking cover (2) is fixed above the signal connector (1) and fixedly connected with the shell (3), and the transmission shaft (4) penetrates through the blocking cover (2) for a preset distance.
4. Signal bushing according to claim 3, characterized in that the top of the drive shaft (4) has a rotatable drive square.
5. The signal sleeve as claimed in claim 1, characterized in that the standard sleeve (8) comprises a probe (13) and a magnetic ring (10);
the probe (13) is fixed on the transmission shaft (4) through a probe fixing seat (9);
the magnetic ring (10) is fixed between the probe (13) and the probe fixing seat (9).
6. The signal sleeve of claim 5,
the probe (13) forms a first signal loop to the center of the signal joint (1);
the standard sleeve (8) forms a second signal loop to the housing of the signal connector (1).
7. A tightening tool, comprising:
the driving side (21) is connected with the driving side hole of the signal sleeve;
a pretightening force measuring instrument for measuring and controlling the pretightening force of the bolt;
a tightening tool body connected to the housing of the signal sleeve.
8. The tightening tool according to claim 7, characterized in that the housing of the tightening tool body (22) is connected to the housing of the signal sleeve, remaining relatively stationary.
9. The tightening tool according to claim 7, further comprising:
a rotating device; the rotating device is connected with the driving part (21).
10. The tightening tool according to claim 7, wherein the pretension gauge is integrated inside the tightening tool or is connected to the outside of the tightening tool via a signal connection of the signal sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203068.9A CN112873114B (en) | 2019-11-29 | 2019-11-29 | Signal sleeve and tightening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203068.9A CN112873114B (en) | 2019-11-29 | 2019-11-29 | Signal sleeve and tightening tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112873114A true CN112873114A (en) | 2021-06-01 |
| CN112873114B CN112873114B (en) | 2025-05-16 |
Family
ID=76038751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203068.9A Active CN112873114B (en) | 2019-11-29 | 2019-11-29 | Signal sleeve and tightening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112873114B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179020A (en) * | 2021-12-10 | 2022-03-15 | 航天精工股份有限公司 | An automatic installation tool that can measure the preload of smart fasteners |
| CN114260850A (en) * | 2021-12-31 | 2022-04-01 | 苏州博昇科技有限公司 | Construction intelligent sleeve for detecting bolt pretightening force in real time |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074764A (en) * | 1998-08-31 | 2000-03-14 | Toshiba Tungaloy Co Ltd | Socket, torque wrench and gauge for measuring axial tension of bolt |
| WO2001021358A1 (en) * | 1999-09-17 | 2001-03-29 | Weber Schraubautomaten Gmbh | Screwing device |
| CN102837283A (en) * | 2012-09-27 | 2012-12-26 | 北京科瑞思创测控科技有限公司 | Numerical-control constant-torque electric spanner |
| DE102016008087A1 (en) * | 2016-07-01 | 2018-01-04 | Wolfgang Baron | Device combination for the metered forwarding of a coupling medium in a coupling medium contact chamber, an ultrasound generating screwing tool, for prestressing force controlled screwing in series production |
| US20180156679A1 (en) * | 2014-03-11 | 2018-06-07 | The Boeing Company | Method and apparatus for measuring a preload of a fastener |
| CN208729643U (en) * | 2018-08-06 | 2019-04-12 | 四川省东泰机械制造有限公司 | The signal transmission structure and its Electric torque wrench of Electric torque wrench |
| CN109940533A (en) * | 2019-04-08 | 2019-06-28 | 深圳市颐驰自动化有限公司 | A kind of intelligence tightening tool and intelligent management |
| CN211332978U (en) * | 2019-11-29 | 2020-08-25 | 中国航天标准化研究所 | Signal sleeve and tightening tool |
-
2019
- 2019-11-29 CN CN201911203068.9A patent/CN112873114B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074764A (en) * | 1998-08-31 | 2000-03-14 | Toshiba Tungaloy Co Ltd | Socket, torque wrench and gauge for measuring axial tension of bolt |
| WO2001021358A1 (en) * | 1999-09-17 | 2001-03-29 | Weber Schraubautomaten Gmbh | Screwing device |
| CN102837283A (en) * | 2012-09-27 | 2012-12-26 | 北京科瑞思创测控科技有限公司 | Numerical-control constant-torque electric spanner |
| US20180156679A1 (en) * | 2014-03-11 | 2018-06-07 | The Boeing Company | Method and apparatus for measuring a preload of a fastener |
| DE102016008087A1 (en) * | 2016-07-01 | 2018-01-04 | Wolfgang Baron | Device combination for the metered forwarding of a coupling medium in a coupling medium contact chamber, an ultrasound generating screwing tool, for prestressing force controlled screwing in series production |
| CN208729643U (en) * | 2018-08-06 | 2019-04-12 | 四川省东泰机械制造有限公司 | The signal transmission structure and its Electric torque wrench of Electric torque wrench |
| CN109940533A (en) * | 2019-04-08 | 2019-06-28 | 深圳市颐驰自动化有限公司 | A kind of intelligence tightening tool and intelligent management |
| CN211332978U (en) * | 2019-11-29 | 2020-08-25 | 中国航天标准化研究所 | Signal sleeve and tightening tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179020A (en) * | 2021-12-10 | 2022-03-15 | 航天精工股份有限公司 | An automatic installation tool that can measure the preload of smart fasteners |
| CN114260850A (en) * | 2021-12-31 | 2022-04-01 | 苏州博昇科技有限公司 | Construction intelligent sleeve for detecting bolt pretightening force in real time |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112873114B (en) | 2025-05-16 |
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