CN110206019B - Quick overspeed device tensioner of sheet pile pier steel pull rod - Google Patents
Quick overspeed device tensioner of sheet pile pier steel pull rod Download PDFInfo
- Publication number
- CN110206019B CN110206019B CN201910430173.XA CN201910430173A CN110206019B CN 110206019 B CN110206019 B CN 110206019B CN 201910430173 A CN201910430173 A CN 201910430173A CN 110206019 B CN110206019 B CN 110206019B
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- Prior art keywords
- tensioner
- steel
- gear
- motor
- sheet pile
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a quick tensioning device for a steel pull rod of a sheet pile wharf, which comprises a tensioner, a hoop, steel drills, a motor, a transmission shaft and a gear; the hoop is sleeved on the outer side of the tensioner; two steel drill holes which are communicated with each other are formed in the side walls of the tensioner and the hoops in the radial direction, so that the hoops are fixed on the outer side of the tensioner through steel drill inserted into the steel drill holes of the tensioner and the hoops and are kept coaxially arranged with the tensioner; a gear ring meshed with the gear is processed on the inner wall of the hoop close to one end of the motor, and a gear shaft arranged in a central hole of the gear ring is connected with an output shaft of the motor through a transmission shaft; the quick tensioning device for the steel pull rod of the sheet pile wharf can realize that the tensioner can rotate 360 degrees along with the external gear, does not need to adjust the angle in the operation process, and simultaneously utilizes motor power to drive the gear to rotate so as to tension the steel pull rod, so that the efficiency is high, and the labor is saved.
Description
Technical Field
The invention relates to the technical field of tensioning construction of steel pull rods of sheet pile wharf, in particular to a rapid tensioning device for steel pull rods of sheet pile wharf.
Background
In the port and ship engineering sheet pile wharf engineering project, the steel tie rods can counteract the soil pressure through pretension force so as to fix the front sheet pile wall and prevent the forward tilting displacement trend of the sheet pile wall. Therefore, the steel tie rod is an important functional structure of the sheet pile wharf, and the construction of the tensioning steel tie rod is an important control procedure. However, because the torsion requirement for tensioning the steel pull rod is high, the traditional tensioning device needs to be manually tensioned, and the angle direction cannot be quickly changed by manual operation when the tensioner rotates, so that the construction is low in efficiency and labor-consuming. In patent CN 203062681U of the manufacturing company of the power lifting appliance in the Yangzhou city, a tensioning device is disclosed, the device drives and adjusts the relative angle of a tensioner and a rod body through an oil cylinder so as to realize quick rotation, but the device only solves the problem of quick change of the rotation angle, the bolt angle still needs to be manually adjusted manually in the process, the tensioning torque depends on manpower, and the tensioning torque of a steel pull rod is usually applied by 3-5 people at the same time when the steel pull rod of a sheet pile wharf is tensioned.
Disclosure of Invention
The invention aims to provide a rapid tensioning device for a steel pull rod of a sheet pile wharf, which is rapid, efficient and non-manual.
For this purpose, the technical scheme of the invention is as follows:
a quick tensioning device for a steel pull rod of a sheet pile wharf comprises a tensioner, a hoop, a steel drill rod, a motor, a transmission shaft and a gear; wherein the hoop is of an annular structure and sleeved on the outer side of the tensioner; two steel drill holes which are communicated with each other are formed in the side walls of the tensioner and the hoops in the radial direction, so that the hoops are fixed on the outer side of the tensioner through steel drill inserted into the steel drill holes of the tensioner and the hoops and are kept coaxially arranged with the tensioner; a gear ring is machined on the inner wall of the hoop close to one end of the motor, the gear is meshed with the gear ring, and a gear shaft arranged in a central hole of the gear is connected with an output shaft of the motor through a transmission shaft.
Further, the hoop is split into two semicircular rings, two ends of each semicircular ring extend outwards from the end part to form two connecting lug plates, and each connecting lug plate is provided with a screw hole, so that when the two semicircular rings are split into an annular structure, the two semicircular rings are fastened and connected into a whole through bolts penetrating into the screw holes of the two connecting lug plates positioned on the same side and nuts fixed at the tail ends of the bolts.
Further, a dynamic torque sensor is sleeved outside the transmission shaft, and the dynamic torque sensor is fixedly connected with the motor through a connecting rod arranged on the dynamic torque sensor.
Further, the transmission shaft is connected with the motor output shaft through a first coupling; the gear shaft is connected with the transmission shaft through a second coupler.
Further, the motor is fixed on the ground through a motor bracket, so that an output shaft of the motor and the gear shaft are positioned on the same axis.
Further, the inner walls close to the two ends of the tensioner are respectively provided with a section of internal threads matched with the external threads on the end walls of the steel pull rods, and the rotation directions of the two sections of internal threads are matched with the rotation directions of the external threads on the end walls of the steel pull rods, so that when the tensioner rotates clockwise or anticlockwise, the two steel pull rods which are in threaded connection in the tensioner are not tripped.
Further, an external thread is processed on the outer wall of the steel drill, and an internal thread matched with the external thread on the outer wall of the steel drill is processed on the hole wall of the steel drill hole.
Compared with the prior art, the quick tensioning device for the steel pull rod of the sheet pile wharf has the advantages that the toothed ring is machined on the inner wall of the hoop sleeved on the outer side of the tensioner and fixed with the tensioner to be meshed and assembled with the external gear, so that the tensioner can rotate 360 degrees along with the external gear, the angle does not need to be adjusted in the operation process, and meanwhile, the motor power is used for driving the gear to rotate so as to tension the steel pull rod, so that the efficiency is high, and the labor is saved; in addition, the tensioning device reads the torque in real time by using the dynamic torque sensor, so that the quality control in the construction process is greatly facilitated, and a self-checking link after tensioning is omitted.
Drawings
FIG. 1 is a schematic structural view of a sheet pile dock steel tie rod quick tensioning device of the present invention;
FIG. 2 is a schematic diagram of the combination of the ferrule and gear of the quick tensioner of sheet pile wharf steel tie rod of the present invention;
fig. 3 is a schematic structural view of a drive shaft of the sheet pile pier steel tie rod fast tensioning device of the invention and a dynamic torque sensor sleeved outside the drive shaft.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific examples, which are in no way limiting.
As shown in fig. 1-3, the rapid tensioning device for the steel pull rod of the sheet pile wharf comprises a tensioner 1, a hoop 2, a steel drill rod 3, a motor 4, a transmission shaft and a gear 8; wherein,
the tensioner 1 is of a cylinder structure, the inner diameter of the tensioner is matched with the outer diameter of the steel pull rod 9, a section of internal thread which is matched with the external thread on the end wall of the steel pull rod 9 is respectively processed on the inner wall close to the two ends of the cylinder, and the screwing directions of the two sections of internal threads are matched with the screwing directions of the external thread on the end wall of the steel pull rod 9, so that when the tensioner 1 rotates clockwise or anticlockwise, the two steel pull rods 9 which are in threaded connection with the tensioner 1 do not trip;
the hoop 2 is of an annular structure and is composed of two semicircular rings which are split, two ends of each semicircular ring extend outwards from the end part to form two connecting lug plates, and each connecting lug plate is provided with a screw hole, so that when the two semicircular rings are combined into an annular structure, the two semicircular rings are fastened and connected into a whole through bolts penetrating into the screw holes of the two connecting lug plates positioned on the same side and nuts fixed at the tail ends of the bolts;
two steel drill holes which are communicated with each other are formed in the side walls of the tensioner 1 and the sleeve hoop 2 in the radial direction, internal threads are formed in the hole walls of the steel drill holes, internal threads matched with the internal threads formed in the hole walls of the steel drill holes are formed in the outer walls of the steel drill 3, the steel drill 3 is inserted and screwed into the steel drill holes formed in the sleeve hoop 2 and the tensioner 1, and the sleeve hoop 2 is arranged outside the tensioner 1 and is coaxially arranged with the tensioner 1;
an inner gear ring matched with an outer gear ring of the gear 8 is processed on the inner wall of the hoop 2 near one end of the motor 4, so that the gear 8 is meshed with the gear ring on the inner wall of the hoop 2, and a gear shaft arranged in a central hole of the inner gear ring is connected with an output shaft of the motor 4 through a transmission shaft;
the motor 4 is fixed on the ground through a motor bracket, and the motor output shaft is horizontally arranged and kept in the same axial direction with the gear shaft of the gear 8; a transmission shaft is arranged between the gear shaft and the motor output shaft, one end of the transmission shaft is connected with the motor output shaft through a first coupler 5, and the other end of the transmission shaft is connected with the gear shaft through a second coupler 7, so that the motor 4 is utilized to drive the gear to rotate, and the hoop and the tensioner 1 are driven to rotate along with the transmission shaft;
the power and the maximum torque of the motor are configured according to the specific construction project, the power and the maximum torque of the motor are not less than 400w in conventional construction, and the rotating speed is adjustable;
the dynamic torque sensor 6 is sleeved outside the transmission shaft, and the dynamic torque sensor 6 is fixedly connected with the motor 4 or the ground through a connecting rod fixed on the dynamic torque sensor 6, so that the surface of the dynamic torque sensor is prevented from rotating during working, and the real-time reading can be ensured.
The application method of the sheet pile wharf steel pull rod quick tensioning device comprises the following steps:
s1, installing and preparing the tensioning device according to the connection mode; specifically, firstly, a hoop 2 and a steel drill rod 3 are installed and fixed, so that a tensioner 1 is arranged in the hoop and kept coaxially arranged with the hoop, then a motor 4, a transmission shaft sleeved with a dynamic torque sensor 6 and a gear 8 are sequentially connected and fixed through a first coupler 5 and a second coupler 7, and the motor height is adjusted up and down to ensure that the gear 8 is tightly meshed with the hoop 2;
s2, starting the motor 4, and adjusting the rotating speed and the torque according to a motor rotating speed adjusting switch, wherein the rotating speed is suitable for enabling human eyes to timely respond to the reading size of the dynamic torque sensor;
and S3, monitoring the reading of the dynamic torque sensor 6, and turning off the motor 4 in time when the reading reaches a set value.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (7)
1. The quick tensioning device for the steel pull rod of the sheet pile wharf is characterized by comprising a tensioner (1), a hoop (2), a steel drill rod (3), a motor (4), a transmission shaft and a gear (8); wherein the hoop (2) is of an annular structure and is sleeved on the outer side of the tensioner (1); two steel drill holes which are communicated with each other are formed in the side walls of the tensioner (1) and the hoop (2) in the radial direction, so that the hoop (2) is fixed on the outer side of the tensioner (1) through steel drill rods (3) inserted into the steel drill holes of the tensioner (1) and the hoop (2) and is kept coaxially arranged with the tensioner (1); a gear ring is machined on the inner wall of the hoop (2) close to one end of the motor (4), the gear (8) is meshed with the gear ring, and a gear shaft arranged in a central hole of the gear is connected with an output shaft of the motor (4) through a transmission shaft.
2. The quick tensioning device for the steel pull rod of the sheet pile wharf according to claim 1, wherein the hoops (2) are split into two semicircular rings, two ends of each semicircular ring extend outwards from the end parts to form two connecting lug plates, and screw holes are formed in each connecting lug plate, so that when the two semicircular rings are combined into an annular structure, the two semicircular rings are fastened and connected into a whole through bolts penetrating into the screw holes of the two connecting lug plates positioned on the same side and nuts fixed at the tail ends of the bolts.
3. The rapid tensioning device for steel tie rods of sheet pile wharf according to claim 1, characterized in that a dynamic torque sensor (6) is sleeved outside the transmission shaft, and the dynamic torque sensor (6) is connected with the motor (4) through a connecting rod arranged on the dynamic torque sensor.
4. The rapid tensioning device for sheet pile wharf steel tie rods according to claim 1, characterized in that the transmission shaft is connected with the motor output shaft through a first coupling (5); the gear shaft is connected with the transmission shaft through a second coupler (7).
5. The rapid tensioning device for sheet pile wharf steel tie rods according to claim 1, characterized in that the motor (4) is fixed on the ground by means of a motor bracket, so that the output shaft of the motor (4) is located on the same axis as the gear shaft.
6. The rapid tensioning device for the steel tie rod of the sheet pile wharf according to claim 1, wherein a section of internal threads which are matched with external threads on the end walls of the steel tie rod (9) are respectively machined on the inner walls close to the two ends of the tensioner (1), and the rotation directions of the two sections of internal threads are matched with the rotation directions of the external threads on the end walls of the steel tie rod (9), so that when the tensioner (1) rotates clockwise or anticlockwise, the two steel tie rods (9) which are in threaded connection in the tensioner (1) do not trip.
7. The rapid tensioning device for the steel tie rod of the sheet pile wharf according to claim 1, wherein external threads are machined on the outer wall of the steel drill rod (3), and internal threads matched with the external threads on the outer wall of the steel drill rod (3) are machined on the wall of the steel drill rod hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910430173.XA CN110206019B (en) | 2019-05-22 | 2019-05-22 | Quick overspeed device tensioner of sheet pile pier steel pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910430173.XA CN110206019B (en) | 2019-05-22 | 2019-05-22 | Quick overspeed device tensioner of sheet pile pier steel pull rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206019A CN110206019A (en) | 2019-09-06 |
| CN110206019B true CN110206019B (en) | 2023-12-15 |
Family
ID=67788157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910430173.XA Active CN110206019B (en) | 2019-05-22 | 2019-05-22 | Quick overspeed device tensioner of sheet pile pier steel pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206019B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105675242A (en) * | 2016-01-19 | 2016-06-15 | 北京工业大学 | Electromechanical control inhaul cable instant breaking device |
| CN107320865A (en) * | 2017-07-07 | 2017-11-07 | 马兵 | The quick rope closing tensioning apparatus of rope for crossing rescue for fire-fighting |
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2019
- 2019-05-22 CN CN201910430173.XA patent/CN110206019B/en active Active
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| GB1364846A (en) * | 1970-11-04 | 1974-08-29 | Dunlop Holdings Ltd | Magnetic tensioner for steel cord |
| DE2813174A1 (en) * | 1978-03-25 | 1979-09-27 | Uwe Draheim | Vehicle gas turbine with intermittent burner - has compressed mixture passed to combustion chamber through flap valves |
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| JPH04176569A (en) * | 1990-11-09 | 1992-06-24 | Oriental Kensetsu Kk | Nut fastening device for pc steel bar tension fixing of pc structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110206019A (en) | 2019-09-06 |
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