CN113524091A - A nut pretensioner - Google Patents

A nut pretensioner Download PDF

Info

Publication number
CN113524091A
CN113524091A CN202110765883.5A CN202110765883A CN113524091A CN 113524091 A CN113524091 A CN 113524091A CN 202110765883 A CN202110765883 A CN 202110765883A CN 113524091 A CN113524091 A CN 113524091A
Authority
CN
China
Prior art keywords
nut
ring
rotating ring
base
sleeve head
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.)
Pending
Application number
CN202110765883.5A
Other languages
Chinese (zh)
Inventor
付志强
刘志华
张德
杨琰冲
马少辰
宣菲
赵旭林
王智豪
水源
王昊辰
张京京
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Fuda Electric Power Group Co ltd
Sanmenxia Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Henan Fuda Electric Power Group Co ltd
Sanmenxia Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Fuda Electric Power Group Co ltd, Sanmenxia Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Henan Fuda Electric Power Group Co ltd
Priority to CN202110765883.5A priority Critical patent/CN113524091A/en
Publication of CN113524091A publication Critical patent/CN113524091A/en
Pending legal-status Critical Current

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
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/08—Spanners; Wrenches with rigid jaws of open jaw type
    • 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
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

本发明公开了一种螺母预紧器，包括基座，基座上设有沿基座上下方向贯穿的圆孔，圆孔上靠近基座前端设有开口槽；圆孔内设有旋转环，旋转环与基座转动连接；旋转环的内圈可拆卸式固定连接有套筒头，套筒头上设有与螺母配合的内孔，旋转环及套筒头上与开口槽对应处设有进入槽；旋转环的外圈固定设有齿圈，基座内还设有传动齿轮组，传动齿轮组与旋转环的齿圈啮合连接，传动齿轮组另一侧设有驱动齿轮，驱动齿轮与传动齿轮组也啮合连接；驱动齿轮上还设有用于同驱动部连接的连接部。本发明整体轻便，高效，运转平稳，使螺母快速在螺杆上快速走完螺母接近行程，可以提高施工现场的施工速度和效果，降低劳动强度，提高效率。

Figure 202110765883

The invention discloses a nut pretensioner, which comprises a base, the base is provided with a circular hole penetrating along the up-down direction of the base, the circular hole is provided with an open groove near the front end of the base; the circular hole is provided with a rotating ring, The rotating ring is rotatably connected with the base; the inner ring of the rotating ring is detachably and fixedly connected with a sleeve head, the sleeve head is provided with an inner hole matched with the nut, and the rotating ring and the sleeve head are provided with a corresponding opening groove into the groove; the outer ring of the rotating ring is fixedly provided with a ring gear, the base is also provided with a transmission gear group, the transmission gear group is meshed with the ring gear of the rotating ring, and the other side of the transmission gear group is provided with a driving gear, which is connected to the The transmission gear set is also meshed and connected; the driving gear is also provided with a connecting part for connecting with the driving part. The invention is light and efficient as a whole, and runs smoothly, so that the nut can quickly complete the approaching stroke of the nut on the screw rod, thereby improving the construction speed and effect on the construction site, reducing labor intensity and improving efficiency.

Figure 202110765883

Description

Nut pretensioner
Technical Field
The invention belongs to the technical field of construction and maintenance of electric power engineering, and particularly relates to a nut pretensioner.
Background
In the process of electric power engineering construction and maintenance, the screwing-in and screwing-out of the nut on the screw are often involved, and for the installation and the disassembly of the nut on the longer screw, the nut has a longer stroke (called as the nut approaching stroke) to move on the screw before the nut is screwed to a contact action part. For screwing the nut in the section of stroke, the electric wrench cannot operate due to the long length of the screw rod and can only be screwed manually. And because the space position that the screw rod is located is compacter, and manual spanner operation space is restricted, and operating efficiency receives the influence greatly.
Therefore, a nut pre-tightening tool is urgently needed, so that the nut can quickly move on the screw rod to finish the nut approaching stroke, and the crazy expansion efficiency is improved.
Disclosure of Invention
The invention aims to provide a nut pretensioner.
In order to solve the technical problems, the invention adopts the following technical scheme:
a nut pretensioner comprises a base, wherein a round hole penetrating through the base in the vertical direction is formed in the base, and an open slot is formed in the round hole and is close to the front end of the base; a rotating ring is arranged in the round hole and is rotationally connected with the base; the inner ring of the rotating ring is detachably and fixedly connected with a sleeve head, an inner hole matched with the nut is formed in the sleeve head, and an inlet groove is formed in the rotating ring and the sleeve head at the position corresponding to the open groove;
a gear ring is fixedly arranged on the outer ring of the rotating ring, a transmission gear set is also arranged in the base and is meshed with the gear ring of the rotating ring, a driving gear is arranged on the other side of the transmission gear set, and the driving gear is also meshed with the transmission gear set; the driving gear is also provided with a connecting part used for being connected with the driving part.
The driving gear is located at the rear end of the base.
The transmission gear set comprises two transmission gears which are respectively positioned at the left side and the right side of a connecting line of the circle centers of the driving gear and the rotating ring.
The connecting part is a square hole arranged at the axis of the driving gear, and the driving part is provided with a driving rod corresponding to the square hole.
The driving part is a rechargeable battery type electric hand drill, and a driving rod corresponding to the square hole is installed on the electric hand drill.
The bottom of the inner ring of the rotating ring is provided with an annular convex edge protruding inwards, the inner ring of the rotating ring is provided with positioning bulges arranged circumferentially above the convex edge, and the positioning bulges extend axially along the inner ring of the rotating ring; the lower end of the sleeve head is provided with a step groove matched with the positioning protrusion, the outer ring of the sleeve head is attached to the inner ring of the rotating ring, and the outer ring of the sleeve head is correspondingly provided with a positioning groove corresponding to the positioning protrusion.
The positioning bulge is made of magnetic material and is connected with the sleeve head in a magnetic attraction mode.
The invention has the beneficial effects that:
when the nut-driving device works, the sleeve head corresponding to the nut is selected, then the sleeve head is connected with the rotating ring, then the base is sleeved on the screw rod through the open slot and the inlet slot and moves to the nut along the screw rod, the sleeve head is connected with the nut, then the driving part is connected with the driving gear, the rotation of the driving gear is transmitted to the rotating ring through the transmission gear group, the rotating ring rotates to drive the sleeve head to rotate, and further the nut is driven to rotate, so that the nut quickly runs through the nut approaching stroke on the screw rod, and the working efficiency is improved.
The invention has the advantages of light weight, high efficiency and stable operation, and can improve the construction speed and effect of a construction site, reduce the labor intensity and improve the efficiency. The driving part drives the gear to transmit the gear to the rotating ring and the sleeve head to rotate, so that the torque of the bolt is balanced, the local stress cannot be generated, and the bolt is prevented from being broken due to uneven stress.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention
Fig. 4 is a left side view of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 4, the nut pretensioner of the invention comprises a base 1, wherein the base is of an ellipse-like structure with a large front end and a small rear end, a round hole penetrating through the base in the vertical direction is arranged at the front end of the base 1, and an open slot 2 is arranged on the round hole and close to the front end of the base; a rotating ring 3 is arranged in the round hole, and the rotating ring 3 is rotatably connected with the base; the detachable fixedly connected with sleeve head 4 of inner circle of rotatory ring 3 is equipped with on the sleeve head 4 with nut complex hole, corresponds the department with the open slot on rotatory ring 3 and the sleeve head 4 and is equipped with the entering groove.
A gear ring is fixedly arranged on the outer ring of the rotating ring 3, a transmission gear set 5 is further arranged in the base 1, the transmission gear set 5 is in meshed connection with the gear ring of the rotating ring 3, a driving gear 6 is arranged on the other side of the transmission gear set 5, and the driving gear 6 is also in meshed connection with the transmission gear set 5; the driving gear 6 is also provided with a connecting part 7 for connecting with the driving part.
In this embodiment, the driving gear 6 is located at the rear end of the base 1, and the transmission gear set 5 includes two transmission gears respectively located at the left and right sides of the connection line of the centers of the driving gear 6 and the rotating ring 3.
In this embodiment, the connecting portion 7 is a square hole provided at the axis of the driving gear, and the driving portion is provided with a driving rod corresponding to the square hole. The drive part selects a rechargeable battery type electric hand drill, the drive force gear of the rechargeable battery type electric hand drill is adjustable, and the electric hand drill is provided with a drive rod corresponding to the square hole.
In this embodiment, in order to realize the detachable fixed connection between the sleeve head 4 and the inner ring of the rotating ring 3, the following scheme is adopted: the bottom of the inner ring of the rotating ring 3 is provided with an annular convex edge protruding inwards, the inner ring of the rotating ring 3 is provided with positioning bulges arranged circumferentially above the convex edge, and the positioning bulges extend axially along the inner ring of the rotating ring; the lower end of the sleeve head 4 is provided with a step groove matched with the positioning bulge, the outer ring of the sleeve head 4 is attached to the inner ring of the rotating ring, and the outer ring of the sleeve head 4 is correspondingly provided with a positioning groove corresponding to the positioning bulge.
Preferably, the positioning protrusion is made of magnetic material and is magnetically connected with the sleeve head 4.
When the nut-driving type electric hand drill is in work, the sleeve head 4 corresponding to the nut is selected, then the sleeve head 4 is connected with the rotating ring 3, then the base 1 is sleeved on the screw rod through the open slot 2 and the entering slot and moves to the nut along the screw rod, the sleeve head 4 is connected with the nut, then the driving rod mounted on the electric hand drill is connected with the square hole of the driving gear 6, the rotation of the driving gear 6 is transmitted to the rotating ring 3 through the transmission gear set 5, the rotating ring 3 rotates to drive the sleeve head 4 to rotate, and further the nut is driven to rotate, so that the nut can quickly finish the nut approaching stroke on the screw rod, and the working efficiency is improved.
The invention has the advantages of light weight, high efficiency and stable operation, and can improve the construction speed and effect of a construction site, reduce the labor intensity and improve the efficiency. The driving part drives the gear to transmit the gear to the rotating ring and the sleeve head to rotate, so that the torque of the bolt is balanced, the local stress cannot be generated, and the bolt is prevented from being broken due to uneven stress.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

Claims (7)

1.一种螺母预紧器，其特征在于：包括基座，基座上设有沿基座上下方向贯穿的圆孔，圆孔上靠近基座前端设有开口槽；圆孔内设有旋转环，旋转环与基座转动连接；旋转环的内圈可拆卸式固定连接有套筒头，套筒头上设有与螺母配合的内孔，旋转环及套筒头上与开口槽对应处设有进入槽；1. A nut pretensioner, characterized in that: comprising a base, the base is provided with a circular hole that runs through the up-down direction of the base, and the circular hole is provided with an open slot near the front end of the base; the circular hole is provided with a rotating The inner ring of the rotating ring is rotatably connected with the base; the inner ring of the rotating ring is detachably and fixedly connected with a sleeve head, and the sleeve head is provided with an inner hole matched with the nut, and the rotating ring and the sleeve head correspond to the opening groove provided with an entry slot; 旋转环的外圈固定设有齿圈，基座内还设有传动齿轮组，传动齿轮组与旋转环的齿圈啮合连接，传动齿轮组另一侧设有驱动齿轮，驱动齿轮与传动齿轮组也啮合连接；驱动齿轮上还设有用于同驱动部连接的连接部。A ring gear is fixed on the outer ring of the rotating ring, and a transmission gear group is also arranged in the base. The transmission gear group is meshed and connected with the ring gear of the rotating ring. The other side of the transmission gear group is provided with a driving gear. It is also meshed and connected; the driving gear is also provided with a connecting part for connecting with the driving part. 2.根据权利要求1所述的一种螺母预紧器，其特征在于：所述驱动齿轮位于基座的后端。2 . The nut pretensioner according to claim 1 , wherein the driving gear is located at the rear end of the base. 3 . 3.根据权利要求2所述的一种螺母预紧器，其特征在于：所述传动齿轮组包括两个传动齿轮，两个传动齿轮分别位于驱动齿轮和旋转环圆心连线的左右两侧。3 . The nut pretensioner according to claim 2 , wherein the transmission gear set comprises two transmission gears, and the two transmission gears are respectively located on the left and right sides of the line connecting the driving gear and the center of the rotating ring. 4 . 4.根据权利要求1-3任一项所述的一种螺母预紧器，其特征在于：所述连接部为在驱动齿轮轴心处设置的方孔，驱动部上设有与方孔对应的驱动杆。4. The nut pretensioner according to any one of claims 1-3, wherein the connecting portion is a square hole provided at the axis of the driving gear, and the driving portion is provided with a corresponding square hole the drive rod. 5.根据权利要求4所述的一种螺母预紧器，其特征在于：所述驱动部为充电池式手电钻，手电钻上安装有与方孔对应的驱动杆。5 . The nut pretensioner according to claim 4 , wherein the driving part is a rechargeable battery-type electric hand drill, and a driving rod corresponding to the square hole is installed on the electric hand drill. 6 . 6.根据权利要求1-3任一项所述的一种螺母预紧器，其特征在于：所述旋转环内圈底部设有向内突出的环形凸沿，旋转环内圈在凸沿上方设有圆周排布的定位凸起，定位凸起沿旋转环内圈轴向延伸布置；套筒头下端设有与定位凸起配合的台阶槽，套筒头外圈与旋转环内圈贴合布置，且套筒头外圈上与定位凸起对应设有定位凹槽。6. A nut pretensioner according to any one of claims 1-3, wherein the bottom of the inner ring of the rotating ring is provided with an inwardly protruding annular convex edge, and the inner ring of the rotating ring is above the convex edge There are positioning protrusions arranged around the circumference, and the positioning protrusions are arranged axially along the inner ring of the rotating ring; the lower end of the sleeve head is provided with a stepped groove matched with the positioning protrusions, and the outer ring of the sleeve head is fitted with the inner ring of the rotating ring The outer ring of the sleeve head is provided with a positioning groove corresponding to the positioning protrusion. 7.根据权利要求6所述的一种螺母预紧器，其特征在于：所述定位凸起为磁性材料，与套筒头磁吸连接。7 . The nut pretensioner according to claim 6 , wherein the positioning protrusion is made of magnetic material and is magnetically connected with the sleeve head. 8 .
CN202110765883.5A 2021-07-07 2021-07-07 A nut pretensioner Pending CN113524091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110765883.5A CN113524091A (en) 2021-07-07 2021-07-07 A nut pretensioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110765883.5A CN113524091A (en) 2021-07-07 2021-07-07 A nut pretensioner

Publications (1)

Publication Number Publication Date
CN113524091A true CN113524091A (en) 2021-10-22

Family

ID=78097917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110765883.5A Pending CN113524091A (en) 2021-07-07 2021-07-07 A nut pretensioner

Country Status (1)

Country Link
CN (1) CN113524091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117188783A (en) * 2023-07-31 2023-12-08 中建八局装饰工程有限公司 Integrated device for drilling and suspending rod installation and construction method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2125127A1 (en) * 1993-06-04 1994-12-05 Nobukazu Ikeda Tightening device
CN205380606U (en) * 2016-02-24 2016-07-13 崔维群 Electric power overhauls uses portable spanner
CN206717745U (en) * 2017-04-20 2017-12-08 张艳虎 A kind of split sleeve dismantling device
CN111185873A (en) * 2020-03-17 2020-05-22 北渤智能科技秦皇岛有限公司 An open-ended electric wrench for connecting steel bars and sockets
CN215847875U (en) * 2021-07-07 2022-02-18 国网河南省电力公司三门峡供电公司 Nut pretensioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2125127A1 (en) * 1993-06-04 1994-12-05 Nobukazu Ikeda Tightening device
CN205380606U (en) * 2016-02-24 2016-07-13 崔维群 Electric power overhauls uses portable spanner
CN206717745U (en) * 2017-04-20 2017-12-08 张艳虎 A kind of split sleeve dismantling device
CN111185873A (en) * 2020-03-17 2020-05-22 北渤智能科技秦皇岛有限公司 An open-ended electric wrench for connecting steel bars and sockets
CN215847875U (en) * 2021-07-07 2022-02-18 国网河南省电力公司三门峡供电公司 Nut pretensioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117188783A (en) * 2023-07-31 2023-12-08 中建八局装饰工程有限公司 Integrated device for drilling and suspending rod installation and construction method thereof
CN117403908A (en) * 2023-07-31 2024-01-16 中建八局装饰工程有限公司 Boom installation tightening mechanism and how to use it

Similar Documents

Publication Publication Date Title
EP2283975B1 (en) Sun gear-driven torque multiplying tool
CN110814716A (en) Nut screwing device and nut screwing mechanism thereof
CN105690314A (en) Electrified bolt fastening tool
CN211361283U (en) Nut screwing device and nut screwing mechanism thereof
US20110036208A1 (en) Planetary gear-driven magnification driving tool
CN215847875U (en) Nut pretensioner
CN112975814A (en) Electric tightening device for remote back bolt of power transmission line
CN113524091A (en) A nut pretensioner
CN112605933B (en) Hydraulic wrench
CN216264468U (en) A quick assembly disassembly device for speed reducer
CN222253294U (en) Concrete breaker
CN211414960U (en) A manual movable sleeve
CN211220467U (en) High and low speed conversion disassembly tool
CN220575757U (en) Nut rotating device
CN219974382U (en) Rock drilling equipment convenient to construction
CN213116145U (en) Top drive device and well drilling and repairing equipment
CN214162631U (en) Motor assembly
CN210335761U (en) Straight shank screwdriver structure
CN110081285A (en) Electric mechanism with intelligent angle adjusting function
CN209954617U (en) an electric tool
CN110125874B (en) A kind of screw cap dismantling device for construction engineering
CN113601435A (en) A multi-degree-of-freedom visualization electric wrench
CN217728795U (en) Central hand dismounting device of robot
CN224102843U (en) Nut tightening gun
CN220929286U (en) Screw shaft driving device of large-caliber rescue drilling machine

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211022