CN213970986U - Large-scale round nut assists assembly and disassembly tools - Google Patents
Large-scale round nut assists assembly and disassembly tools Download PDFInfo
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- CN213970986U CN213970986U CN202022508243.XU CN202022508243U CN213970986U CN 213970986 U CN213970986 U CN 213970986U CN 202022508243 U CN202022508243 U CN 202022508243U CN 213970986 U CN213970986 U CN 213970986U
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- round nut
- bearing frame
- cross arms
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Abstract
A large round nut auxiliary dismounting tool comprises a bearing frame, wherein the bottom of the bearing frame is provided with a plurality of rotary rollers; two fixing cross arms are arranged at the top of the bearing frame, and the distance between the two fixing cross arms is larger than the thickness of the round nut to be disassembled; the axis of the rotating roller is used for being arranged in parallel with the axis of the round nut. The bearing frame is a square frame, and two rotating rollers are arranged at the bottom of the bearing frame; two movable cross arms are detachably arranged at the top of the bearing frame, and the movable cross arms are vertical to the fixed cross arms. This supplementary assembly and disassembly tools simple structure uses this instrument dismouting round nut, easy dismounting does not have the risk of turning on one's side, and is safe high-efficient.
Description
Technical Field
The utility model belongs to power station nut dismantles auxiliary device field, in particular to assembly and disassembly tools is assisted to large-scale round nut.
Background
In the servomotor maintenance process of the hydropower station, a large round nut of a servomotor head needs to be disassembled and assembled, the nut weighs about 100kg, and the nut is horizontally disassembled and assembled. In the prior art, the hanging strip is used for direct dismounting, and the round nut is not easy to rotate and install in the construction method, has side turning risks, brings inconvenience and potential safety hazards to construction, and therefore an auxiliary dismounting tool needs to be designed to avoid the problems.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides an assembly and disassembly tools is assisted to large-scale round nut, this supplementary assembly and disassembly tools simple structure uses this instrument dismouting round nut, and easy dismounting does not have the risk of turning on one's side, and is safe high-efficient.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
a large round nut auxiliary dismounting tool comprises a bearing frame, wherein the bottom of the bearing frame is provided with a plurality of rotary rollers; two fixing cross arms are arranged at the top of the bearing frame, and the distance between the two fixing cross arms is larger than the thickness of the round nut to be disassembled; the axis of the rotating roller is used for being arranged in parallel with the axis of the round nut.
In the preferred scheme, the bearing frame is a square frame, and two rotating rollers are arranged at the bottom of the bearing frame; two movable cross arms are detachably arranged at the top of the bearing frame, and the movable cross arms are vertical to the fixed cross arms.
In the preferred scheme, the bearing frame comprises four upright posts, and each upright post is provided with a telescopic mechanism which is used for adjusting the position of the universal wheel.
In a preferred scheme, the telescopic mechanism comprises an internal thread cylinder arranged on the stand column, the axis of the internal thread cylinder is parallel to the axis of the rotary roller, the internal thread cylinder is in threaded connection with a lead screw, one end of the lead screw is provided with a universal wheel, and the other end of the lead screw is provided with a rotating handle; the universal wheel is used for contacting with the surface of the round nut.
In the preferred scheme, the top of each upright post is provided with a convex plug, the two ends of the movable cross arm are provided with jacks, and the jacks are used for being sleeved on the convex plugs.
In a preferable scheme, the lower half part of the side part of the bearing frame is provided with a side stop lever.
This patent can reach following beneficial effect:
the auxiliary dismounting tool is simple in structure, convenient to dismount, safe and efficient, and does not have the side turning risk when used for dismounting the round nut; the round nut can be effectively lifted by using the tool, the thread end part can be prevented from being damaged when the thread lap joint is less, and the thread sticking of the bolt is avoided.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is an effect diagram of the bearing frame of the present invention after loading a round nut;
FIG. 2 is a diagram of the effect of the lifting of the bearing frame of the utility model;
FIG. 3 is a three-dimensional structure diagram of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is an enlarged view of fig. 3 at B.
In the figure: force bearing frame 1, roller 2, fixed cross arm 3, activity cross arm 4, jack 41, telescopic machanism 5, internal thread section of thick bamboo 51, lead screw 52, twist grip 53, universal wheel 6, protruding plug 7, round nut 8, side pin 9.
Detailed Description
The preferred scheme is as shown in fig. 1 to 5, and the auxiliary dismounting tool for the large round nut comprises a bearing frame 1, wherein the bottom of the bearing frame 1 is provided with a plurality of rotating rollers 2; the top of the bearing frame 1 is provided with two fixed cross arms 3, and the distance between the two fixed cross arms 3 is larger than the thickness of a round nut 8 to be disassembled; the axis of the roller 2 is used for being arranged in parallel with the axis of the round nut 8.
The force bearing frame 1 has the functions that: the installation changes the roller 2, hangs and establishes the hoisting point, transmits load and prevents that round nut 8 from rolling down and turning on one's side. The side stop rods 9 prevent the round nuts 8 from accidentally rolling off. The rotary roller 2 can rotate along with the round nut 8, and when the round nut 8 is disassembled, the friction force applied to the round nut 8 is small.
Furthermore, the bearing frame 1 is a square frame, and the bottom of the bearing frame 1 is provided with two rotating rollers 2; the top of the bearing frame 1 is detachably provided with two movable cross arms 4, and the movable cross arms 4 are vertical to the fixed cross arms 3.
The bearing frame 1 is a square frame structure formed by welding square pipes. When the bearing frame 1 is used, the lifting rope is tied below the fixed cross arm 3, the movable cross arm 4 is firstly disassembled, then the bearing frame 1 is sleeved with the round nut 8 from bottom to top, and finally the movable cross arm 4 is installed, so that the deformation of the bearing frame 1 can be avoided by the movable cross arm 4.
Furthermore, the force bearing frame 1 comprises four upright posts, each upright post is provided with a telescopic mechanism 5, and the telescopic mechanisms 5 are used for adjusting the positions of the universal wheels 6.
In order to further reduce the friction force when the round nut 8 rotates, the universal wheel 6 is arranged to avoid the contact friction between the round nut 8 and the upright column.
Further, as shown in fig. 4 and 5, the telescoping mechanism 5 includes an internal thread cylinder 51 arranged on the upright column, an axis of the internal thread cylinder 51 is arranged in parallel with an axis of the rotating roller 2, the internal thread cylinder 51 is in threaded connection with a lead screw 52, one end of the lead screw 52 is provided with a universal wheel 6, and the other end of the lead screw 52 is provided with a rotating handle 53; the universal wheel 6 is used for surface contact with a round nut 8.
Further, as shown in fig. 1, a protruding plug 7 is provided at the top of each upright, and two ends of the movable cross arm 4 are provided with insertion holes 41, wherein the insertion holes 41 are used for being sleeved on the protruding plugs 7.
The working principle of the whole device is as follows:
when the round nut 8 is disassembled, the bearing frame is hung on a gantry crane by a hoist and a hanging belt, the two rotating rollers 2 support the round nut 8, the stress is proper, and the movable cross arm 4 is installed; the round nut 8 is rotated, the two rotating rollers 2 rotate along with the round nut, and finally when the round nut is screwed down, the round nut 8 can be effectively supported by the tool, and then the tool is placed on the ground together with a gourd. When the round nut 8 is installed, the round nut 8 is placed on the rotating roller 2, the movable cross arm 4 is installed, then the tool and the round nut are hung on a gantry crane through a hoist and a hanging belt, the gantry crane is lifted to a proper position, the height, the center and the level of the round nut 8 are adjusted, and the round nut 8 is screwed into the servomotor head.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. The utility model provides a dismouting instrument is assisted to large-scale round nut, includes load frame (1), its characterized in that: the bottom of the bearing frame (1) is provided with a plurality of rotating rollers (2); the top of the bearing frame (1) is provided with two fixed cross arms (3), and the distance between the two fixed cross arms (3) is larger than the thickness of a round nut (8) to be detached; the axis of the rotary roller (2) is used for being arranged in parallel with the axis of the round nut (8).
2. The large round nut auxiliary dismounting tool according to claim 1, characterized in that: the bearing frame (1) is a square frame, and the bottom of the bearing frame (1) is provided with two rotating rollers (2); the top of the bearing frame (1) is detachably provided with two movable cross arms (4), and the movable cross arms (4) are vertical to the fixed cross arms (3).
3. The large round nut auxiliary dismounting tool according to claim 2, characterized in that: the force bearing frame (1) comprises four upright posts, each upright post is provided with a telescopic mechanism (5), and the telescopic mechanisms (5) are used for adjusting the positions of the universal wheels (6).
4. The large round nut auxiliary dismounting tool according to claim 3, characterized in that: the telescopic mechanism (5) comprises an internal thread cylinder (51) arranged on the upright column, the axis of the internal thread cylinder (51) is parallel to the axis of the rotary roller (2), the internal thread cylinder (51) is in threaded connection with a screw rod (52), one end of the screw rod (52) is provided with a universal wheel (6), and the other end of the screw rod (52) is provided with a rotating handle (53); the universal wheel (6) is used for being in surface contact with the round nut (8).
5. The large round nut auxiliary dismounting tool according to claim 3, characterized in that: the top of each upright post is provided with a convex plug (7), the two ends of the movable cross arm (4) are provided with jacks (41), and the jacks (41) are used for being sleeved on the convex plugs (7).
6. The large round nut auxiliary dismounting tool according to claim 3, characterized in that: the lower half part of the side part of the bearing frame (1) is provided with a side stop lever (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022508243.XU CN213970986U (en) | 2020-11-03 | 2020-11-03 | Large-scale round nut assists assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022508243.XU CN213970986U (en) | 2020-11-03 | 2020-11-03 | Large-scale round nut assists assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213970986U true CN213970986U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022508243.XU Active CN213970986U (en) | 2020-11-03 | 2020-11-03 | Large-scale round nut assists assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213970986U (en) |
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2020
- 2020-11-03 CN CN202022508243.XU patent/CN213970986U/en active Active
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