CN113123603B - Rapid electric tightening device and method for straight-thread sleeve - Google Patents
Rapid electric tightening device and method for straight-thread sleeve Download PDFInfo
- Publication number
- CN113123603B CN113123603B CN202110445774.5A CN202110445774A CN113123603B CN 113123603 B CN113123603 B CN 113123603B CN 202110445774 A CN202110445774 A CN 202110445774A CN 113123603 B CN113123603 B CN 113123603B
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- straight
- sleeve
- thread
- hoop
- steel bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
The invention provides a device and a method for quickly and electrically screwing a straight thread sleeve, wherein the device comprises: the sleeve hooping device comprises a base and at least one hoop for hooping the steel bar sleeve, and the hoop is arranged on the base; the electric tightening device comprises a driving motor and a chuck for fixing the straight-thread steel bar, wherein the chuck is fixed at the transmission shaft end of the driving motor, and the centers of the transmission shaft, the chuck and the hoop are positioned on the same axis; driving motor's bottom is equipped with moving mechanism, and moving mechanism sets up two sets of through-holes including setting up in a pair of tie rod of driving motor left and right both sides relatively, counterpoint about a pair of tie rod, and two shaft pass two sets of through-holes of counterpoint, and a gyro wheel is established to each cover in the left and right both ends of every shaft, and the gyro wheel below is equipped with the track that is used for inlaying the gyro wheel of establishing, and the track direction is parallel with the axis. The device provided by the invention can be used for efficiently and high-quality screwing the straight thread reinforcing steel bar into the reinforcing steel bar sleeve, so that the construction efficiency is accelerated, and the benefit is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a device and a method for quickly and electrically screwing a straight-thread sleeve.
Background
The vertical main muscle of underground continuous wall steel reinforcement cage is connected in the existing market, and the majority adopts straight thread mechanical socket to connect, but connected mode still goes on through the manual work, and when two bar connections, generally need use two moment of torsion spanners, the manual work is pulled repeatedly, comes final tightening, and the construction is inconvenient, and is inefficient.
Disclosure of Invention
The invention aims to overcome the technical defects and provides a device and a method for quickly and electrically screwing a straight-thread sleeve, which can reduce the amount of manual labor and improve the construction efficiency.
The technical scheme for realizing the aim of the invention is as follows:
the invention provides a quick electric tightening device for a straight thread sleeve, which comprises:
the sleeve hooping device comprises a base and at least one hoop for hooping the steel bar sleeve, wherein the hoop is arranged on the base;
the electric tightening device comprises a driving motor and a chuck for fixing the straight thread steel bar, wherein the chuck is fixed at the transmission shaft end of the driving motor, and the centers of the transmission shaft, the chuck and the hoop are positioned on the same axis;
the bottom of the driving motor is provided with a moving mechanism, the moving mechanism comprises a pair of tie bars which are oppositely arranged on two sides of the driving motor in the width direction, two groups of through holes are formed in the pair of tie bars in an aligning mode, two wheel shafts respectively penetrate through the two groups of aligned through holes, two ends of each wheel shaft are respectively sleeved with a roller, a track used for embedding the rollers is arranged below the rollers, and the track direction is parallel to the axis.
Optionally, the moving mechanism further includes a stopper, the stopper includes a telescopic rod and a stop member for being clamped to the track, the stop member is disposed at one end of the telescopic rod, the other end of the telescopic rod is rotatably connected to an end of the wheel shaft, a telescopic direction of the telescopic rod is parallel to a direction of the track, and a telescopic length of the telescopic rod is consistent with a screw pitch of a steel bar sleeve screwed into the straight-thread steel bar.
Optionally, the moving mechanism further includes a stopper, the stopper includes a straight rod provided with a clamping groove and a stop member clamped on the rail, the stop member is disposed at one end of the straight rod, an end of the wheel shaft is rotatably connected in the clamping groove at the other end of the straight rod, the end of the wheel shaft slides in the clamping groove, the direction of the clamping groove is parallel to the direction of the rail, and the length of the clamping groove is consistent with the thread pitch of the steel bar sleeve screwed with the straight threaded steel bar.
Optionally, the periphery of the track is provided with threads along the axial direction, the thread teeth are consistent with those of the straight thread steel bar, and the outer edge of the roller is provided with tooth grooves matched with the thread teeth.
Optionally, the stop member includes an annular bayonet slot captured within the threaded thread of the track.
Optionally, the hoop includes one or more hoop sheets and a connecting member, the hoop sheets are clasped in a hoop direction to form a ring, and the connecting member is fixedly connected to the clasped hoop sheets.
Optionally, a lining block for abutting against the steel bar sleeve is arranged in the hoop.
The invention also discloses a quick electric tightening method for the straight thread sleeve, which comprises the following steps:
providing a quick electric tightening device for the straight thread sleeve;
placing the base of the sleeve hooping device on a construction surface, and finally screwing a straight-thread steel bar into one end of the steel bar sleeve to enable the hooping to hoop the steel bar sleeve;
primarily screwing another straight thread steel bar into the other end of the steel bar sleeve, and connecting the end of the other straight thread steel bar far away from the steel bar sleeve with a chuck of an electric tightening device;
and starting the driving motor and moving the driving motor along the track towards the reinforcing steel bar sleeve, so that the chuck at the end of the driving shaft can screw another straight-thread reinforcing steel bar until the straight-thread reinforcing steel bar is finally screwed into the reinforcing steel bar sleeve.
The quick electric tightening device and method for the straight thread sleeve have the beneficial effects that:
drive the chuck through driving motor and press from both sides the coaxial rotation of straight thread reinforcing bar of establishing and impel to steel reinforcement sleeve direction level through moving mechanism, steel reinforcement sleeve is fixed in on the sleeve cramping device and coaxial with straight thread reinforcing bar's center, can be high-efficient, high-quality ground twist the steel reinforcement sleeve fast in for efficiency of construction, the benefit promotes.
Further, set up track stop device in the track below, control propulsive distance through the stopper, set up the gyro wheel tooth's socket and the track screw thread that match to the straight thread reinforcing bar of more accurate control twists the pitch in the steel sleeve finally, avoids excessively twisting and causes the damage.
Drawings
Fig. 1 is a schematic structural view of the quick electric tightening device for the straight-thread sleeve of the invention.
Fig. 2 is a schematic structural view of a sleeve tightening device in an embodiment of the quick electric tightening device for a straight-thread sleeve according to the present invention.
Fig. 3 is a schematic structural view of a sleeve tightening device in another embodiment of the straight-threaded sleeve rapid electric tightening device of the present invention.
Fig. 4 is a schematic view of a connection state of a track limiting device and a driving motor in the quick electric tightening device for the straight-thread sleeve of the invention.
Fig. 5 is a schematic structural view of a stopper in an embodiment of a rail stopper in the quick electric tightening device for a straight-threaded sleeve according to the present invention.
Fig. 6 is a schematic structural view of a stopper in another embodiment of the rail stopper in the straight-threaded sleeve rapid electric tightening device of the present invention.
FIG. 7 is a flow chart of the steps of the method for rapidly and electrically tightening a straight threaded sleeve according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1 to 6, the present invention provides a fast and electric tightening device for a straight-threaded sleeve, which is used for screwing a straight-threaded steel bar 10 into a steel bar sleeve 20, and comprises:
the sleeve hooping device 1 comprises a base 11 and at least one hoop 12 for hooping the steel sleeve 20, wherein the hoop 12 is arranged on the base 11;
in this embodiment, the base 11 and the hoop 12 of the sleeve hooping device 1 can be made of materials such as steel plates on site, the materials are convenient to obtain, the cost is low, concretely, the forming mode of the sleeve hooping device 1 in this embodiment can be various, and the requirement of holding the steel bar sleeve 20 tightly and fixedly can be met.
Referring to fig. 2 to 3, in this embodiment, the base 11 of the sleeve banding device 1 is made of a whole steel plate, the thickness and length of the steel plate meet the fixed requirement of the base, and the shape requirement is not made, the hoop 12 is welded with the base 11 at the bottom through two small connecting plates, and during welding, the ring part of the hoop 12 is always ensured to be vertical, so as to ensure that the steel sleeve 20 is in a horizontal state when the steel sleeve 20 is inserted subsequently.
Referring to fig. 2, as a preferred embodiment of the present invention, the hoop 12 includes a hoop sheet 121 and a connecting member 122, the hoop sheet 121 is annularly clasped into a ring shape with an adjustable radius, and the connecting member 122 is fixedly connected to the clasped hoop sheet 121. Specifically, choose lath steel hoop piece 121 for use, carry out annular cohesion with hoop piece 121, the cohesion in-process, opening and shutting of control ring, the radius of the ring that corresponds the difference, with the long steel sleeve 20 of different footpaths of adaptation, when ring portion cramps steel sleeve 20, locate connecting piece 122 on hoop piece 121, and connect fixedly, connecting piece 122 does not have fixed standard, for example two overlap joint ears of seting up the screw hole, the overlap joint ear is connected with hoop piece 121, thereby pass the screw hole through the bolt and connect the fixed hoop piece of overlap joint ear.
Referring to fig. 3, as another preferred embodiment of the present invention, the hoop 12 includes a plurality of hoop sheets 121 and a connecting member 122, the plurality of hoop sheets 121 are enclosed into a ring with an adjustable radius, and the connecting member 122 is fixedly connected to the enclosed plurality of hoop sheets 121. Specifically, choose the hoop piece 121 of a plurality of arcuations for use, the standard similar to the staple bolt to enclose a plurality of hoop pieces 121 and close the formation ring portion, enclose the in-process, the radius of the back ring is closed in the control, with the long reinforcing bar sleeve 20 of adaptation different footpaths, the tip of every hoop piece 121 is equipped with the connection ear, and the screw hole is seted up to the connection ear. After the plurality of hoop pieces 121 are fastened around the sleeve 20, the plurality of hoop pieces 121 are fixed by bolts through the screw holes of the coupling lugs, thereby forming the hoop 12.
Preferably, the collar 12 is provided with a lining block 30 for abutting against the steel sleeve 20, for better clamping the steel sleeve 20 arranged in the collar 12, one or more lining blocks 30 are arranged on the inner wall of the collar 12, the material of the lining blocks 30 can be selected according to actual conditions, and when the collar 12 is used for clamping the steel sleeve 20, the lining blocks 30 play a role of abutting against the steel sleeve 20, so as to better fix the steel sleeve 20.
In this embodiment, can set up a plurality of hoops 12 on base 11, conveniently hoop earlier and decide a plurality of steel sleeve 20, at the in-process of screwing up straight screw-thread steel 10 finally, screw up a plurality of reinforcing bars, avoid making a round trip to run.
With reference to fig. 1, the fast electric tightening device for a straight-thread sleeve of the present invention further includes an electric tightening device 2, which includes a driving motor 21 and a chuck 22 for fixing the straight-thread reinforcing steel bar 10, wherein the chuck 22 is fixed to a driving shaft end 211 of the driving motor 21, and centers of the driving shaft 211, the chuck 22 and the hoop 12 are located on a same axis 23;
specifically, in the present embodiment, the electric tightening device 2 includes a conventional driving motor and a plurality of device portions, which are described below:
firstly, the driving motor 21 selects a motor with proper power, and the motor is externally provided with a transmission shaft 211 for outputting the power of the motor to drive the reinforcing steel bars to rotate;
secondly, the chuck 22 part that includes, chuck 22 in this embodiment is reformed transform by the torque wrench who commonly uses, the torque wrench who commonly uses includes grab handle and head clamp, the grip opening and the grab handle of head clamp become the linear type, usually the workman is with torque wrench and reinforcing bar vertical tightening, and in this embodiment, please refer to fig. 1, for the convenience of head clamp can make straight thread reinforcing bar and grab handle coaxial rotation, set up the grip opening and the grab handle of head clamp perpendicularly, then weld the grab handle position with the transmission shaft end of motor, during the welding, pay attention to coaxial with the grab handle and transmission shaft, guarantee that the chuck can control its coaxial rotation after pressing from both sides tight straight thread reinforcing bar, avoid appearing smooth silk scheduling problem. It should be noted that the sleeve tightening device and the electric tightening device need to be arranged at corresponding positions, and specifically, it is ensured that the centers of the transmission shaft 211, the chuck 22 and the hoop 12 are located on the same axis 23, so that the subsequent straight-thread steel bar rotates on the same axis, and is convenient to screw the straight-thread steel bar into the sleeve, thereby preventing the problems of wire slipping and the like.
With reference to fig. 1 and fig. 4 to 6, the quick electric tightening device for a straight-thread sleeve of the present invention further includes a moving mechanism disposed at the bottom of the driving motor 21, the moving mechanism includes a pair of tie bars 5 disposed at two sides of the driving motor 21 in the width direction, two sets of through holes are disposed on the pair of tie bars 5 in an aligned manner, two axles 3 respectively pass through the two sets of aligned through holes, a roller 4 is respectively disposed at two ends of each axle 3, a rail 6 for embedding the roller 4 is disposed below the roller 4, and the direction of the rail 6 is parallel to the axis 23. In this embodiment, the pair of tie bars 5, the wheel shafts 3 and the rolling ways 4 form a moving mechanism similar to a chassis of a vehicle frame, so that the driving motor is integrally arranged on the moving mechanism to be pushed forward, and in addition, the arrangement of the rails fixes the advancing direction of the driving motor to be in the same direction as the axis 23, so that the reinforcing steel bar can accurately move on the same axis in the screwing process, and the accuracy of the screwing process is further ensured.
As a preferred embodiment of the device for rapidly and electrically tightening a straight-threaded sleeve of the present invention, in this embodiment, the moving mechanism further includes a stopper, the stopper 7 includes a telescopic rod 71 and a stop member 72 for being clamped on the track 6, the stop member 72 is disposed at one end of the telescopic rod 71, the other end of the telescopic rod 71 is rotatably connected to the end of the wheel shaft 3, the telescopic direction of the telescopic rod 71 is parallel to the moving direction of the driving motor 21, and the telescopic length of the telescopic rod 71 is consistent with the pitch of the straight-threaded steel bar 10 screwed into the steel bar sleeve 20. Referring to fig. 4 in combination with fig. 5, specifically, the track 6 includes a left roller 4 and a right roller 4 corresponding to the left roller 4 and the right roller 4, the track 6 is made of metal, when in actual use, the rollers 4 are embedded in the track 6 to travel, so as to further increase convenience and consistency of movement of the driving motor 21, the stopper 7 controls the length by using the telescopic rod 71, specifically, the length of the telescopic rod 71 is selected according to a pitch of the straight-thread reinforcing steel bar 10 screwed into the reinforcing steel bar sleeve 20 to perform appropriate feeding selection, so as to keep the two consistent, in the actual use process, the stop member 72 is clamped on the track 6, at this time, the telescopic rod 71 is parallel to the moving direction of the driving motor 21, in the process of pushing the driving motor 21 to advance, the telescopic rod 71 is pushed to retract to the stop member 72 to stop pushing, at this time, the straight-thread reinforcing steel bar 10 reaches a final pitch of screwing, preferably, the telescopic rods 71 connected with a plurality of different feeding rules can be rotated at the end of the wheel axle 3, and the feeding rule of each telescopic rod 71 is selected according to the pitch of the straight-thread reinforcing steel bar with different diameters required sizes, and the stopper 7 can be put down when the corresponding straight-thread is required to be screwed.
As another preferred embodiment of the quick electric tightening device for the straight-threaded sleeve of the present invention, the stopper 7 employs a straight rod 73 having a slot and a stop member 72, the stop member 72 is disposed at one end of the straight rod 73, as in the above-mentioned embodiment, referring to fig. 4 and fig. 6, the end of the axle 3 is rotatably connected to the slot at the other end of the straight rod 73, and the end of the axle slides in the slot, the direction of the slot is parallel to the moving direction of the driving motor 21, and the length of the slot is consistent with the pitch of the straight-threaded steel bar 10 screwed into the steel bar sleeve 20. In the actual use process, will end position piece 72 card earlier and locate track 6 on, transfer the straight-bar 73 of different footings according to the size of straight-thread reinforcing bar equally, the end of shaft 3 moves in the draw-in groove of straight-bar 73, thereby owing to in-process promoting driving motor 21 and advancing, push to in the draw-in groove and be close to end position piece 72 and can be blocked and stop to impel, played limiting displacement equally, prevent to cross the destruction that the wrong led to the fact the tooth silk.
Preferably, be equipped with the screw thread in the track 6, the thread of screw thread is unanimous with the thread of straight-thread steel bar 10, and the outer fringe of gyro wheel 3 is equipped with the tooth's socket of the thread of matching screw thread, through setting up the tooth's socket of orbital screw thread and 3 outer fringes of gyro wheel, has further strengthened the control accuracy of the pitch of straight-thread steel bar when twisting finally for the reinforcing bar thread of twisting in the reinforcing bar sleeve 20 can audio-visual show on track 6, the accurate control of being convenient for. Preferably, the stop member 72 includes an annular bayonet slot 721, and when the stopper 7 is lowered, the bayonet slot 721 can be directly clamped in the thread of the rail 6 to enhance the fixing of the stop member 72.
Referring to fig. 7 with continued reference to fig. 1-6, the present invention further provides a method for rapidly and electrically tightening a straight-threaded sleeve, comprising the following steps:
step S1: providing a quick electric tightening device for the straight thread sleeve;
step S2: placing the base 11 of the sleeve clamping device 1 on a construction surface, and finally screwing a straight-thread steel bar into one end of the steel bar sleeve 20 to enable the hoop 12 to clamp the steel bar sleeve 20;
and step S3: initially screwing another straight-thread steel bar into the other end of the steel bar sleeve 20, and connecting the end of the another straight-thread steel bar far away from the steel bar sleeve 20 with a chuck 22 of an electric tightening device;
and step S4: the drive motor 21 is turned on and moved along the track 6 towards the sleeve 20 to cause the jaws 22 at the end of the drive shaft to thread another straight-threaded bar until it is finally threaded into the sleeve 20.
Through using this device, when the use scene at same straight thread sleeve's both ends is twisted in two of a set of straight thread reinforcing bar eventually, can twist a straight thread reinforcing bar earlier, with the electronic wrong income of another straight thread reinforcing bar hoop the steel bar sleeve of cramping in the hoop, avoided two torque wrench of manual use to pull repeatedly and tighten, simultaneously, also avoid the round trip of workman to move for the efficiency of construction.
While the present invention has been described in detail and with reference to the embodiments thereof as shown in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (3)
1. The utility model provides a quick electronic tightening device of straight thread sleeve which characterized in that includes:
the sleeve hooping device comprises a base and at least one hoop for hooping the steel bar sleeve, wherein the hoop is arranged on the base;
the electric tightening device comprises a driving motor and a chuck for fixing the straight thread steel bar, wherein the chuck is fixed at the transmission shaft end of the driving motor, and the centers of the transmission shaft, the chuck and the hoop are positioned on the same axis;
a moving mechanism is arranged at the bottom of the driving motor and comprises a pair of tie bars which are oppositely arranged at two sides of the driving motor in the width direction, two groups of through holes are formed in the pair of tie bars in an aligned mode, two wheel shafts respectively penetrate through the two groups of aligned through holes, a roller is sleeved at each of two ends of each wheel shaft, a track for embedding the roller is arranged below the roller, and the track direction is parallel to the axis;
the limiting device comprises a straight rod provided with a clamping groove and a stopping part clamped on the track, the stopping part is arranged at one end of the straight rod, the end of the wheel shaft is rotatably connected into the clamping groove at the other end of the straight rod and slides in the clamping groove, the direction of the clamping groove is parallel to the direction of the track, and the length of the clamping groove is consistent with the thread pitch of the straight thread steel bar screwed into the steel bar sleeve;
the track periphery is equipped with the screw thread along the axial, the screw thread is unanimous with the thread of straight thread reinforcing bar, the gyro wheel outer fringe is equipped with the matching the tooth's socket of screw thread, the position stopping piece includes annular bayonet groove, bayonet groove clamp in the orbital screw thread.
2. The quick electric tightening device for the straight-thread sleeve according to claim 1, wherein the hoop comprises one or more hoop sheets and a connecting member, the hoop sheets are annularly clasped to form a ring, and the connecting member is fixedly connected with the clasped hoop sheets.
3. The apparatus for rapidly tightening a straight-threaded sleeve according to claim 2, wherein a pad is provided in the hoop for abutting against the sleeve of steel reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445774.5A CN113123603B (en) | 2021-04-25 | 2021-04-25 | Rapid electric tightening device and method for straight-thread sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445774.5A CN113123603B (en) | 2021-04-25 | 2021-04-25 | Rapid electric tightening device and method for straight-thread sleeve |
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| Publication Number | Publication Date |
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| CN113123603A CN113123603A (en) | 2021-07-16 |
| CN113123603B true CN113123603B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110445774.5A Active CN113123603B (en) | 2021-04-25 | 2021-04-25 | Rapid electric tightening device and method for straight-thread sleeve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205166649U (en) * | 2015-12-04 | 2016-04-20 | 山东鲁泰控股集团有限公司 | Horizontal hydro -cylinder inner wall honing device |
| JP2017089271A (en) * | 2015-11-11 | 2017-05-25 | 株式会社マキタ | Binding machine |
| CN110029823A (en) * | 2019-05-13 | 2019-07-19 | 中铁十局集团西北工程有限公司 | A kind of straight screw sleeve attachment device and method |
| CN211396667U (en) * | 2019-09-27 | 2020-09-01 | 中交二航局成都城市建设工程有限公司 | Electric installation device for steel bar sleeve connection |
| CN211548394U (en) * | 2019-12-14 | 2020-09-22 | 北京城建集团有限责任公司 | Quick connecting device for steel bar sleeve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4747452B2 (en) * | 2001-07-19 | 2011-08-17 | マックス株式会社 | Rebar binding machine |
| CN211395397U (en) * | 2020-03-13 | 2020-09-01 | 云南建投第四建设有限公司 | T beam-slab shear rib positioning device |
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2021
- 2021-04-25 CN CN202110445774.5A patent/CN113123603B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017089271A (en) * | 2015-11-11 | 2017-05-25 | 株式会社マキタ | Binding machine |
| CN205166649U (en) * | 2015-12-04 | 2016-04-20 | 山东鲁泰控股集团有限公司 | Horizontal hydro -cylinder inner wall honing device |
| CN110029823A (en) * | 2019-05-13 | 2019-07-19 | 中铁十局集团西北工程有限公司 | A kind of straight screw sleeve attachment device and method |
| CN211396667U (en) * | 2019-09-27 | 2020-09-01 | 中交二航局成都城市建设工程有限公司 | Electric installation device for steel bar sleeve connection |
| CN211548394U (en) * | 2019-12-14 | 2020-09-22 | 北京城建集团有限责任公司 | Quick connecting device for steel bar sleeve |
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| CN113123603A (en) | 2021-07-16 |
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