CN111203824A - Torque wrench and steel box girder high-strength bolt screwing process using same - Google Patents
Torque wrench and steel box girder high-strength bolt screwing process using same Download PDFInfo
- Publication number
- CN111203824A CN111203824A CN202010177335.6A CN202010177335A CN111203824A CN 111203824 A CN111203824 A CN 111203824A CN 202010177335 A CN202010177335 A CN 202010177335A CN 111203824 A CN111203824 A CN 111203824A
- Authority
- CN
- China
- Prior art keywords
- wall
- groove
- fixedly connected
- pole
- pawl
- 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
Links
Images
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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
-
- 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
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
- B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
-
- 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
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a torque wrench, which comprises a handle, wherein a connector is fixedly connected to the front end of the handle, a connecting hole is formed in the connector, a sleeve is arranged on the inner wall of the connecting hole, a mounting plate is fixedly connected to the inner wall of the sleeve, a plurality of groups of mounting holes are formed in the mounting plate at uniform intervals, a mounting pipe is fixedly connected to the inner wall of the mounting hole, a baffle plate is fixedly connected to the inner wall of the mounting pipe, stop rods are slidably connected to the inner walls of two ends of the mounting pipe, a resisting spring is arranged at two ends of the mounting pipe, the mounting plate is fixedly connected to the inner wall of the sleeve, the mounting pipe is fixedly connected to the mounting hole, the stop rods are slidably connected to the mounting pipe, when in use, the sleeve is sleeved on a bolt head, the bolt head drives the stop rods to compress the resisting springs, the side wall of the non-compressed stop rods is abutted, the number of wrenches that the operator needs to carry is reduced.
Description
Technical Field
The invention relates to steel box girder construction, in particular to a torque wrench and a high-strength bolt screwing process for a steel box girder by using the torque wrench.
Background
A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The wrench is usually provided with an opening or a trepan for clamping the handle part and applying external force to the handle part so as to screw the bolt or the nut to hold the bolt or the nut, at one end or two ends of the handle part. When the screw is used, external force is applied to the handle part along the rotation direction of the screw thread, and the bolt or the nut can be screwed.
Wrenches are typically made of carbon structural steel or alloy structural steel.
In the steel box girder work progress, the operator need apply the wrong bolt through the spanner, and current spanner is in the use, and the operator needs select the spanner of different specifications according to the size of bolt, and the spanner instrument of more specifications need be carried to general operator in the work progress, and this kind of mode has increased operator's carrying capacity.
Disclosure of Invention
A first object of the present invention is to provide a torque wrench, which is convenient for an operator to tighten bolts of different specifications, and reduces the number of wrenches that the operator needs to carry.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a torque wrench, includes the handle front end fixedly connected with a connector a connecting hole has been seted up on the connector install a sleeve pipe on the connecting hole inner wall a fixedly connected with mounting panel on the intraductal wall of cover a plurality of groups mounting holes have been seted up to the interval is even on the mounting panel a fixedly connected with installation pipe on the mounting hole inner wall, a fixedly connected with baffle on the installation pipe inner wall, equal sliding connection has a pin in installation pipe both ends inner wall, all installs one in the installation pipe both ends and supports tight spring, supports the both ends difference fixed connection of tight spring on pin one end terminal surface and baffle.
Through adopting above-mentioned technical scheme, through fixedly connected with mounting panel on the intraductal wall of sleeve, fixedly connected with installation pipe in the mounting hole, through sliding connection has the pin in installation pipe, when using, establish the sleeve pipe cover on the bolt head, the bolt head drive pin compression supports tight spring, the lateral wall butt that does not have the pin of compressed is on the lateral wall of bolt head, through such setting, simple structure, and convenient operation has made things convenient for the operator to execute to twist to the bolt of different specifications, has reduced the spanner quantity that the operator need carry.
The invention is further configured to: be equipped with a coupling mechanism between sleeve pipe and the connecting hole inner wall, coupling mechanism is including installing the collar on the connecting hole inner wall, seting up on the collar inner wall and along the first groove that the collar inner wall axial was seted up, seting up locking groove on the first groove lateral wall, sliding connection latch segment in the locking groove, setting butt spring and the fixed connection connecting block on the sleeve pipe both ends outer wall in the second groove, connecting block sliding connection is in the first groove, the latch segment upper surface supports tightly on the connecting block lower surface.
Through adopting above-mentioned technical scheme, drive latch segment compression butt spring, during the connecting block joint advances first groove, the latch segment upper surface supports tightly on the connecting block lower surface, through such setting, simple structure, convenient operation has made things convenient for the operator to bushing in the connecting hole.
The invention is further configured to: seted up an annular on the connecting hole inner wall, seted up a second groove on the ring groove bottom surface fixedly connected with a connecting ring on the collar outer wall, collar sliding connection is in the annular, collar sliding connection is in the second groove be equipped with between second inslot wall and the connecting ring and be used for the one-way pivoted stop gear of spacing collar.
Through adopting above-mentioned technical scheme, through having seted up the annular on the connecting hole inner wall, seted up the second groove on the annular bottom surface, go-between sliding connection is in the second groove, and collar sliding connection can only one-way rotation through the spacing collar of stop gear in the annular, through such setting, simple structure, convenient operation has made things convenient for the operator to rotate through spanner drive sleeve pipe.
The invention is further configured to: stop gear includes first ratchet of fixed connection on the go-between outer wall, sets up the third groove on the second tank bottom surface, installs first pole on the inner wall of third groove both sides, rotates first pawl of connection on first pole outer wall and overlaps and establish the first torsional spring on first pole outer wall, first pawl supports tightly on first ratchet under the effect of first torsional spring restoring force.
Through adopting above-mentioned technical scheme, first pawl supports tightly on first ratchet under the effect of the restoring force of first torsional spring, through such setting, simple structure, convenient operation has made things convenient for control collar only can unidirectional rotation.
The invention is further configured to: rotate on the first pole outer wall and be connected with the second pawl, fixed connection second ratchet on the go-between outer wall, the second ratchet is located first ratchet below, the ratchet orientation of first ratchet and second ratchet is opposite, and the cover is equipped with the second torsional spring on the first pole outer wall, the both ends of second torsional spring are fixed connection respectively on first pawl and first pole outer wall, second pawl one end supports tightly on the second ratchet under the effect of second torsional spring restoring force, is equipped with on the handle to be used for making things convenient for the operator to adjust first pawl and second pawl and supports the regulating part of tightly on first ratchet and second ratchet respectively in proper order.
Through adopting above-mentioned technical scheme, the second pawl supports tightly on the second ratchet outer wall under the restoring force of second torsional spring, can adjust through the regulating part that first pawl supports tightly on first ratchet or the second pawl supports tightly on the second ratchet, through such setting, simple structure, convenient operation has made things convenient for the operator to use left and right hands to operate.
The invention is further configured to: the regulating part is including offering regulation hole, one end fixed connection on the connector upper surface at first pole one end regulation pole, fixed connection one end actuating lever, offer draw-in groove and the fixture block of fixed connection on the actuating lever lower surface on the connector upper surface on the regulation pole, regulation hole one end and third groove intercommunication, first pole rotates to be connected on third groove lower surface, it connects in adjusting the hole to adjust the pole rotation, the regulation hole is worn out to the one end of adjusting the pole, actuating lever one end is rotated and is connected and serve one of wearing out the regulation hole at the regulation pole, the fixture block joint is in the draw-in groove.
Through adopting above-mentioned technical scheme, rotate the actuating lever, drive through the actuating lever and adjust the pole rotation, adjust the pole and drive first pole rotation, adjust the position after, rotate the actuating lever, with the fixture block joint in the draw-in groove, through such setting, simple structure, convenient operation has made things convenient for the operator to adjust first pawl and has supported tightly on first ratchet or the second pawl supports tightly on the second ratchet.
The invention is further configured to: the adjusting rod is provided with a rotating groove on the end face penetrating through the adjusting hole, a rotating rod is rotatably connected between the inner walls of two sides of the rotating groove, one end of the driving rod is fixedly connected onto the rotating rod, a third torsion spring is sleeved on the rotating rod, and two ends of the third torsion spring are respectively fixedly connected onto the inner wall of the rotating groove and the rotating rod.
Through adopting above-mentioned technical scheme, through having seted up the rotation groove on the one end terminal surface of wearing out the regulation hole at the regulation pole, actuating lever one end fixed connection is on the dwang, and under the effect of third torsional spring restoring force, the fixture block supports tightly in the draw-in groove all the time, through such setting, simple structure, convenient operation has improved the stability of fixture block joint in the draw-in groove.
The second purpose of the invention is to provide a high-strength bolt screwing process for a steel box girder, which comprises the following steps:
cleaning a position needing to be bolted of a steel box girder component;
step two, processing the friction coefficient of the steel box girder member needing to be bolted, and ensuring that the friction coefficient is not less than 0.4;
step three, adjusting the position of the steel box girder on the bridge and adjusting the position of the steel box girder component;
and step four, drying the bolting part of the steel box girder member, and screwing through a torque wrench after the bolts are arranged in a penetrating manner.
In conclusion, the beneficial technical effects of the invention are as follows: the bolts with different specifications can be conveniently screwed by an operator, and the number of wrenches required to be carried by the operator is reduced; the stability of clamping the clamping block in the clamping groove is improved; the first ratchet wheel is convenient for an operator to adjust the first pawl to abut against the first ratchet wheel or the second pawl to abut against the second ratchet wheel.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a sectional view showing the whole structure of the socket in the embodiment;
fig. 3 is a schematic view of a connection structure between the driving rod and the adjusting rod in the embodiment.
Reference numerals: 1. a handle; 2. a connector; 3. connecting holes; 4. a sleeve; 5. mounting a plate; 6. mounting holes; 7. installing a pipe; 8. a baffle plate; 9. a stop lever; 10. the spring is tightly propped; 11. a connecting mechanism; 12. a mounting ring; 13. a first groove; 14. a locking groove; 15. a locking block; 16. an abutment spring; 17. connecting blocks; 18. a ring groove; 19. a second groove; 20. a connecting ring; 21. a limiting mechanism; 22. a first ratchet wheel; 23. a third groove; 24. a first lever; 25. a first pawl; 26. a first torsion spring; 27. a second pawl; 28. a second ratchet wheel; 29. a second torsion spring; 30. an adjustment member; 31. an adjustment hole; 32. adjusting a rod; 33. a drive rod; 34. a card slot; 35. a clamping block; 36. a rotating groove; 37. rotating the rod; 38. a third torsion spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 1, the torque wrench disclosed by the invention comprises a handle 1, wherein a connector 2 is fixedly connected to the front end of the handle 1.
As shown in fig. 1 and 2, a connecting hole 3 is formed in the connector 2, a sleeve 4 is installed on the inner wall of the connecting hole 3, a mounting plate 5 is fixedly connected to the inner wall of the sleeve 4, a plurality of groups of mounting holes 6 are formed in the mounting plate 5, a mounting pipe 7 is fixedly connected to the inner wall of the mounting hole 6, a retaining ring is fixedly connected to the inner wall of the mounting pipe 7, a retaining rod 9 is slidably connected to the inner wall of each of two ends of the mounting pipe 7, a resisting spring 10 is arranged inside each of two ends of the mounting pipe 7, and two ends of the resisting spring 10 are respectively and fixedly connected to one end face of the retaining rod 9 and the baffle plate 8.
As shown in fig. 1 and fig. 2, in order to facilitate the installation and removal of the casing 4 by an operator, a connection mechanism 11 is arranged between the outer wall of the casing 4 and the inner wall of the connection hole 3, the connection mechanism 11 comprises an installation ring 12, a first groove 13, a locking groove 14, a locking block 15, an abutting spring 16 and the connection hole 3, the installation ring 12 is installed on the inner wall of the connection hole 3, the first groove 13 is opened on the inner wall of the installation ring 12, the first groove 13 is opened along the axial direction of the inner wall of the installation ring 12, the locking groove 14 is opened on the inner wall of the first groove 13, the locking block 15 is slidably connected in the locking groove 14, the butt spring 16 sets up in locking groove 14, and the both ends of butt spring 16 are fixed connection respectively on 15 one end terminal surfaces of latch segment and the 14 inner walls of locking groove, and connecting block 17 fixed connection is on the outer wall of sleeve pipe 4 both ends, and connecting block 17 sliding connection is in first groove 13, and 15 upper surfaces of latch segment support tightly on connecting block 17 lower surfaces.
As shown in fig. 1 and 2, in order to facilitate an operator to drive the sleeve 4 to rotate, an annular groove 18 is formed on an inner wall of the connecting hole 3, a second groove 19 is formed on a bottom surface of the annular groove 18, a connecting ring 20 is fixedly connected to an outer wall of the mounting ring 12, the mounting ring 12 is slidably connected in the annular groove 18, the connecting ring 20 is slidably connected in the second groove 19, and a limiting mechanism 21 for limiting the unidirectional rotation of the mounting ring 12 is arranged between the inner wall of the second groove 19 and the connecting ring 20.
As shown in fig. 1 and 3, the limiting mechanism 21 includes a first ratchet 22, a third groove 23, a first rod 24, a first torsion spring 26 and a first pawl 25, the first ratchet 22 is fixedly connected to the outer wall of the connecting ring 20, the third groove 23 is formed in the bottom surface of the second groove 19, the first rod 24 is installed between the upper surface and the lower surface of the third groove 23, the first rod 24 is vertically arranged, the first pawl 25 is rotatably connected to the first rod 24, the first torsion spring 26 is sleeved on the first rod 24, two ends of the first torsion spring 26 are respectively and fixedly connected to the first pawl 25 and the first rod 24, and the first pawl 25 abuts against the first ratchet 22 under the restoring force of the first torsion spring 26.
As shown in fig. 1 and 3, in order to facilitate the operator to select the left hand or the right hand to operate, a second pawl 27 is rotatably connected to the outer wall of the first rod 24, a second ratchet 28 is fixedly connected to the outer wall of the connecting ring 20, the ratchet directions of the second ratchet 28 and the first ratchet 22 are opposite, the second ratchet 28 is located below the first ratchet 22, a second torsion spring 29 is sleeved on the outer wall of the first rod 24, two ends of the second torsion spring 29 are respectively and fixedly connected to the outer wall of the first rod 24 and the second pawl 27, the second pawl 27 abuts against the second ratchet 28 under the action of the restoring force of the second torsion spring 29, the second pawl 27 and the first pawl 25 are respectively located at two sides of the first rod 24, and an adjusting member 30 is arranged on the handle 1, so that the operator can adjust the first pawl 25 and the second pawl 27 to abut against the first ratchet 22 and the second ratchet 28 in sequence.
As shown in fig. 1 and fig. 3, the adjusting member 30 includes an adjusting hole 31, an adjusting rod 32, a driving rod 33, a clamping groove 34, and a clamping block 35, the adjusting hole 31 is opened on the upper surface of the connector 2, the adjusting hole 31 is communicated with the third groove 23, one end of the adjusting rod 32 is fixedly connected to one end face of the first rod 24, the adjusting rod 32 is rotatably connected to the adjusting hole 31, one end of the adjusting rod 32 exceeds the upper surface of the connector 2, one end of the driving rod 33 is rotatably connected to one end face of the adjusting rod 32, the clamping groove 34 is opened on the upper surface of the connector 2, one side of the clamping groove 34 is communicated with the adjusting hole 31, the clamping block 35 is fixedly connected to the lower surface.
As shown in fig. 1 and 3, in order to improve the stability of the clamping block 35 in the clamping groove 34, a rotation groove 36 is formed on an end surface of the adjusting rod 32, which penetrates through the adjusting hole 31, a rotation rod 37 is fixedly connected between inner walls on two sides of the rotation groove 36, one end of the driving rod 33 is fixedly connected to an outer wall of the rotation rod 37, a third torsion spring 38 is sleeved on the outer wall of the rotation rod 37, and two ends of the third torsion spring 38 are respectively and fixedly connected to the inner walls of the rotation rod 37 and the rotation groove 36.
The implementation principle of the embodiment is as follows: the connecting block 17 slides into the first groove 13, the upper surface of the locking block 15 is abutted against the lower surface of the connecting block 17, an operator selects a hand for screwing to adjust according to own operation convenience, the driving rod 33 is rotated, the clamping block 35 is taken out of the clamping groove 34, the driving rod 33 is rotated, the driving rod 33 drives the adjusting rod 32 to rotate, the adjusting rod 32 drives the first rod 24 to rotate, the first rod 24 drives the first pawl 25 and the second pawl 27 to rotate, the first pawl 25 is abutted against the first ratchet wheel 22, and the second pawl 27 is disengaged from the second ratchet wheel 28.
The second embodiment is a steel box girder high-strength bolt screwing process which is characterized in that: comprises the following steps of (a) carrying out,
cleaning a position needing to be bolted of a steel box girder component;
step two, processing the friction coefficient of the steel box girder member needing to be bolted, and ensuring that the friction coefficient is not less than 0.4;
step three, adjusting the position of the steel box girder on the bridge and adjusting the position of the steel box girder component;
and step four, drying the bolting part of the steel box girder member, and screwing through a torque wrench after the bolts are arranged in a penetrating manner.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a torque wrench, includes handle (1) front end fixedly connected with a connector (2), its characterized in that: seted up a connecting hole (3) on connector (2) install a sleeve pipe (4) on connecting hole (3) inner wall a fixedly connected with mounting panel (5) on sleeve pipe (4) inner wall a plurality of groups mounting hole (6) have been seted up to the interval is even on mounting panel (5) a fixedly connected with installation pipe (7) on mounting hole (6) inner wall, a fixedly connected with baffle (8) on installation pipe (7) inner wall, equal sliding connection has a pin (9) in installation pipe (7) both ends inner wall, all installs one in installation pipe (7) both ends and supports tight spring (10), and the both ends difference fixed connection that supports tight spring (10) is on pin (9) one end terminal surface and baffle (8).
2. The torque wrench of claim 1, wherein: be equipped with a coupling mechanism (11) between sleeve pipe (4) and connecting hole (3) inner wall, coupling mechanism (11) including install collar (12) on connecting hole (3) inner wall, set up on collar (12) inner wall and along first groove (13) that collar (12) inner wall axial was seted up, set up locking groove (14) on first groove (13) lateral wall, sliding connection latch segment (15) in locking groove (14), butt spring (16) of setting in locking groove (14) and connecting block (17) of fixed connection on sleeve pipe (4) both ends outer wall, connecting block (17) sliding connection is in first groove (13), latch segment (15) upper surface supports tightly on connecting block (17) lower surface.
3. The torque wrench of claim 2, wherein: seted up an annular (18) on connecting hole (3) inner wall, seted up a second groove (19) on annular (18) bottom surface fixedly connected with connecting ring (20) on collar (12) outer wall, collar (12) sliding connection is in annular (18), connecting ring (20) sliding connection is in second groove (19) be equipped with between second groove (19) inner wall and connecting ring (20) and be used for spacing collar (12) unidirectional rotation's stop gear (21).
4. The torque wrench as claimed in claim 3, wherein: stop gear (21) including fixed connection first ratchet (22) on go-between (20) outer wall, set up third groove (23) on second groove (19) bottom surface, install first pole (24) on third groove (23) both sides inner wall, rotate first pawl (25) of connection on first pole (24) outer wall and establish first torsional spring (26) of establishing on first pole (24) outer wall, first pawl (25) support tightly on first ratchet (22) under the effect of first torsional spring (26) restoring force.
5. The torque wrench of claim 4, wherein: the handle is characterized in that a second pawl (27) is rotatably connected to the outer wall of the first rod (24), a second ratchet wheel (28) is fixedly connected to the outer wall of the connecting ring (20), the second ratchet wheel (28) is located below the first ratchet wheel (22), the directions of ratchets of the first ratchet wheel (22) and the second ratchet wheel (28) are opposite, a second torsion spring (29) is sleeved on the outer wall of the first rod (24), two ends of the second torsion spring (29) are respectively and fixedly connected to the outer walls of the first pawl (25) and the first rod (24), one end of the second pawl (27) abuts against the second ratchet wheel (28) under the action of restoring force of the second torsion spring (29), and an adjusting piece (30) used for facilitating an operator to adjust the first pawl (25) and the second pawl (27) to abut against the first ratchet wheel (22) and the second ratchet wheel (28) sequentially is arranged on the handle (1).
6. The torque wrench of claim 5, wherein: adjusting part (30) are including offering regulation hole (31), one end fixed connection in one of connector (2) upper surface regulation pole (32), fixed connection in regulation pole (32) one end, offer draw-in groove (34) and the fixture block (35) of fixed connection on drive pole (33) lower surface on connector (2) upper surface, regulation hole (31) one end and third groove (23) intercommunication, first pole (24) rotate to be connected on third groove (23) lower surface, it connects in regulation hole (31) to adjust pole (32) rotation, regulation hole (31) is worn out to the one end of adjusting pole (32), drive pole (33) one end is rotated and is connected on adjusting pole (32) one end of wearing out regulation hole (31), fixture block (35) joint is in draw-in groove (34).
7. The torque wrench of claim 6, wherein: adjust pole (32) and wear out and have seted up one on the one end terminal surface of adjusting hole (31) and rotate groove (36), rotate between rotation groove (36) both sides inner wall and be connected with dwang (37), the one end fixed connection of actuating lever (33) is on dwang (37), the cover is equipped with third torsional spring (38) on dwang (37), the both ends difference fixed connection of third torsional spring (38) is on rotating groove (36) inner wall and dwang (37).
8. A high-strength bolt screwing process for a steel box girder by using the torque wrench as claimed in claim 7, wherein: comprises the following steps of (a) carrying out,
cleaning a position needing to be bolted of a steel box girder component;
step two, processing the friction coefficient of the steel box girder member needing to be bolted, and ensuring that the friction coefficient is not less than 0.4;
step three, adjusting the position of the steel box girder on the bridge and adjusting the position of the steel box girder component;
and step four, drying the bolting part of the steel box girder member, and screwing through a torque wrench after the bolts are arranged in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177335.6A CN111203824B (en) | 2020-03-13 | 2020-03-13 | Torque wrench and steel box girder high-strength bolt screwing process using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177335.6A CN111203824B (en) | 2020-03-13 | 2020-03-13 | Torque wrench and steel box girder high-strength bolt screwing process using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111203824A true CN111203824A (en) | 2020-05-29 |
| CN111203824B CN111203824B (en) | 2021-06-25 |
Family
ID=70781723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010177335.6A Active CN111203824B (en) | 2020-03-13 | 2020-03-13 | Torque wrench and steel box girder high-strength bolt screwing process using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111203824B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551574A (en) * | 2021-07-12 | 2021-10-26 | 杭州铭赫科技有限公司 | Metal product screw thread detection device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3214867A1 (en) * | 1982-04-22 | 1983-10-27 | Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid | Ratchet with direction locking device arranged in the operating lever |
| US4993288A (en) * | 1986-06-28 | 1991-02-19 | Circle A Products, Inc. | Power driven replacement socket ratchet wrench |
| CN2276858Y (en) * | 1996-01-29 | 1998-03-25 | 廖本煌 | Jacket suitable for various shapes and size of nuts |
| US5768961A (en) * | 1996-12-16 | 1998-06-23 | Frawley; Eric L. | Self-adjusting socket for a wrench handle |
| CN2362654Y (en) * | 1998-10-26 | 2000-02-09 | 严竣译 | Adjustable ratchet wrench |
| CN1640626A (en) * | 2004-01-16 | 2005-07-20 | 胡厚飞 | Improved ratchet wrench joint structure |
| CN203317283U (en) * | 2012-09-21 | 2013-12-04 | 宁波工程学院 | Automatic clamping monkey spanner |
| CN204183468U (en) * | 2014-10-10 | 2015-03-04 | 黄应祥 | Universal socket wrench |
| US20150217432A1 (en) * | 2014-01-31 | 2015-08-06 | James David Gadd | Adjustable socket-engaging tool set |
| CN206632913U (en) * | 2017-04-12 | 2017-11-14 | 南京扬子石油化工工程有限责任公司 | Torque spanner |
-
2020
- 2020-03-13 CN CN202010177335.6A patent/CN111203824B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3214867A1 (en) * | 1982-04-22 | 1983-10-27 | Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid | Ratchet with direction locking device arranged in the operating lever |
| US4993288A (en) * | 1986-06-28 | 1991-02-19 | Circle A Products, Inc. | Power driven replacement socket ratchet wrench |
| CN2276858Y (en) * | 1996-01-29 | 1998-03-25 | 廖本煌 | Jacket suitable for various shapes and size of nuts |
| US5768961A (en) * | 1996-12-16 | 1998-06-23 | Frawley; Eric L. | Self-adjusting socket for a wrench handle |
| CN2362654Y (en) * | 1998-10-26 | 2000-02-09 | 严竣译 | Adjustable ratchet wrench |
| CN1640626A (en) * | 2004-01-16 | 2005-07-20 | 胡厚飞 | Improved ratchet wrench joint structure |
| CN203317283U (en) * | 2012-09-21 | 2013-12-04 | 宁波工程学院 | Automatic clamping monkey spanner |
| US20150217432A1 (en) * | 2014-01-31 | 2015-08-06 | James David Gadd | Adjustable socket-engaging tool set |
| CN204183468U (en) * | 2014-10-10 | 2015-03-04 | 黄应祥 | Universal socket wrench |
| CN206632913U (en) * | 2017-04-12 | 2017-11-14 | 南京扬子石油化工工程有限责任公司 | Torque spanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551574A (en) * | 2021-07-12 | 2021-10-26 | 杭州铭赫科技有限公司 | Metal product screw thread detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111203824B (en) | 2021-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160067849A1 (en) | Apparatus for tightening threaded fasteners | |
| CN111203824B (en) | Torque wrench and steel box girder high-strength bolt screwing process using same | |
| CN104889919A (en) | Electric pipe wrench for threaded connection of reinforcing steel bar and connecting sleeve | |
| JPS59134667A (en) | Tool holder and tool set | |
| CN210616344U (en) | Spanner switching auxiliary assembly | |
| CN207415226U (en) | A kind of oil field Multifunctional small size combination wrench | |
| US20210347015A1 (en) | Removal tool kit and removal tool therefor | |
| CN216030461U (en) | Multipurpose angle-variable bent handle wrench | |
| CN107910673B (en) | A kind of wire clamp Quick multiple head sleeve | |
| CN210126045U (en) | Multifunctional electric tool driven by lithium battery | |
| CN220007615U (en) | Plane angle adjustable combined adjustable spanner | |
| CN218965277U (en) | Combined spanner | |
| CN105965443A (en) | Anti-following torque multiplying wrench | |
| CN208276796U (en) | It is a kind of convenient for fixed two-way interior hexagonal ratchet spanner | |
| CN2933724Y (en) | Special-shaped spanner | |
| RU2200654C2 (en) | Wrench-multiplier | |
| CN217292133U (en) | Double-end pointed tail ratchet wrench | |
| CN218226369U (en) | Adjustable wrench capable of rotating by small angle | |
| CN217225319U (en) | Supplementary extension spanner of arm of force | |
| CN220613822U (en) | Dual-purpose wrench | |
| CN218776499U (en) | Double-end wrench tool | |
| CN211589913U (en) | Fastening device | |
| CN205588207U (en) | Ball stud screws up frock | |
| CN220197522U (en) | Heavy ratchet wrench | |
| CN214025446U (en) | Simple universal wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.30, Tiancheng Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong highway and Bridge Construction Group Co.,Ltd. Address before: No.30, Tiancheng Road, Tianqiao District, Jinan City, Shandong Province Patentee before: SHANDONG HIGHWAY & BRIDGE CONSTRUCTION Co.,Ltd. |