CN209050666U - A kind of hydraulic spanner - Google Patents
A kind of hydraulic spanner Download PDFInfo
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- CN209050666U CN209050666U CN201821765591.1U CN201821765591U CN209050666U CN 209050666 U CN209050666 U CN 209050666U CN 201821765591 U CN201821765591 U CN 201821765591U CN 209050666 U CN209050666 U CN 209050666U
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- wrench
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Abstract
The utility model discloses a kind of hydraulic spanners, comprising: back-up wrench, fixed plate, hydraulic transmission, monkey wrench and connecting plate, the hydraulic transmission upper end is welded with two fixed plates, the fixed plate is equipped with multiple limit holes, it is plugged with spacer pin on the limit hole, is equipped with shaft between two fixed plates, the shaft is plugged in back-up wrench, the back-up wrench upper end is equipped with the first fixed ring, and the first fixed ring upper right side is equipped with fixed block；The hydraulic transmission is built-in with hydraulic stem, and the hydraulic stem right end is equipped with connecting plate, is equipped with rotational pin in the connecting plate, and the rotational pin is plugged in monkey wrench, and the monkey wrench upper end is equipped with the second fixed ring.In the above embodiments of the present invention, monkey wrench can be pulled by hydraulic drive, and then nut is further pre-tightened or loosened, the manually-operated dynamics that compares is bigger, more efficient.
Description
Technical field
The utility model belongs to construction equipment technology field, more particularly to a kind of hydraulic spanner.
Background technique
Currently, nut is needed to be attached fixation in many structures, people generally pass through spanner, monkey wrench for its hand
It is dynamic to pre-tighten or loosen, in the nut that pretightning force demand is larger or has tightened, generally carried out by electric wrench or pneumatic impact spanner
Operation.
But manual operation dynamics is smaller, and time-consuming and laborious, and electric wrench and the general inner hole in pneumatic impact spanner end are hexagon
Shape, due to device volume itself and shape, the nut in junctions such as some flanges, cylinders is not easy to operate.
Utility model content
The purpose of the utility model is to provide a kind of hydraulic spanners, smaller and time-consuming and laborious to solve manual operation dynamics,
Electric wrench and the general inner hole in pneumatic impact spanner end are hexagonal configuration, due to device volume itself, are connected in flange, cylinder etc.
The place of connecing is not easy to the technical issues of operation.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of hydraulic spanner comprising: fixation is pulled
Hand, fixed plate, hydraulic transmission, monkey wrench and connecting plate, the hydraulic transmission upper end are welded with two fixed plates,
The fixed plate is equipped with multiple limit holes, and spacer pin is plugged on the limit hole, is equipped with shaft, institute between two fixed plates
It states shaft to be plugged in back-up wrench, the back-up wrench upper end is equipped with the first fixed ring, and the first fixed ring upper right side is set
There is fixed block；The hydraulic transmission is built-in with hydraulic stem, and the hydraulic stem right end is equipped with connecting plate, the connecting plate right side
It is provided with notch, is equipped with rotational pin in the connecting plate, the rotational pin is plugged in monkey wrench, and the monkey wrench upper end is set
There is the second fixed ring.
For example above-mentioned hydraulic spanner of the utility model, further, the hydraulic transmission further includes hydraulic cavities and piston
Plate, the hydraulic transmission is interior to be equipped with hydraulic cavities, and piston plate is equipped in the hydraulic cavities, is provided with hole in the piston plate, institute
Hydraulic stem left end diameter is stated less than right end diameter, the bore dia is equal with hydraulic stem left end diameter, and hydraulic stem right end diameter is big
Diameter in hole, hydraulic stem left end pass through hole, and the hydraulic stem left end is equipped with nut, and the nut closely connects with piston plate left end
Touching；Hydraulic transmission lower-left end is equipped with the first hydraulic port, first hydraulic port and hydraulic cavities lower-left end connection, described
Hydraulic transmission bottom righthand side is equipped with the second hydraulic port, second hydraulic port and hydraulic cavities bottom righthand side connection, first liquid
Pressure mouth, the second hydraulic port are connect with hydraulic pump.
For example above-mentioned hydraulic spanner of the utility model, further, the fixed block are triangle or square.
For example above-mentioned hydraulic spanner of the utility model, further, the dead plate upper end are arc, and the limit hole is in arc
Shape is uniformly located at dead plate upper end, and the spacer pin length is greater than the distance between two fixed plates.
For example above-mentioned hydraulic spanner of the utility model, further, the back-up wrench are equipped with circular hole, the shaft and circle
Interporal lacuna is cooperatively connected.
For example above-mentioned hydraulic spanner of the utility model, further, the connecting plate are Contraband shape, and the width of rebate, which is greater than, lives
The thickness of wrench, the monkey wrench are equipped with rotation hole, and the rotational pin is connect with rotation hole clearance fit.
The beneficial effects of the utility model are: the first fixed ring is socketed in the above-mentioned hydraulic spanner of the utility model
On nut, when needing nut to pre-tighten, the second fixed ring of hexagonal configuration is socketed on the nut for needing to pre-tighten, fixed block
It can be stuck in the outer circle of adjacent nut, be formed and fixed, be inserted into spacer pin in suitable limit hole, back-up wrench is blocked,
Monkey wrench can be pulled by hydraulic drive, so that nut further pre-tightens, when by back-up wrench and monkey wrench switching operation,
Nut loosening operation can be carried out, the manually-operated dynamics that compares is bigger, more efficient, and solves electric wrench and pneumatic
Nut unworkable problem of the spanner in flange, cylinder etc..
Detailed description of the invention
By made detailed description in conjunction with the following drawings, the above-mentioned and/or otherwise advantage of the utility model will
It becomes more apparent upon and is easier to understand, these attached drawings are only schematical, are not intended to limit the utility model, in which:
Fig. 1 is a kind of hydraulic spanner schematic diagram of embodiment of the utility model；
Fig. 2 is a kind of schematic internal view of the hydraulic transmission of embodiment of the utility model；
Fig. 3 is the connection schematic diagram of hydraulic transmission, hydraulic stem, connecting plate, notch and rotational pin；
Fig. 4 be back-up wrench, fixed plate, spacer pin, shaft and hydraulic transmission connection schematic diagram；
Fig. 5 is monkey wrench, the second fixed ring, the connection schematic diagram of connecting plate and rotational pin；
Fig. 6 is a kind of working method schematic diagram of embodiment of the utility model；
Fig. 7 is a kind of another working method schematic diagram of embodiment of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, back-up wrench；2, fixed block；3, the first fixed ring；4, fixed plate；5, spacer pin；6, limit hole；7, shaft；8,
Hydraulic stem；9, hydraulic transmission；10, the first hydraulic port；11, the second hydraulic port；13, monkey wrench；14, the second fixed ring；
15, connecting plate；16, notch；17, rotational pin；18, piston plate；19, hydraulic cavities；20, flange；21, cylinder.
Specific embodiment
Hereinafter, the embodiment of the hydraulic spanner of the utility model is described with reference to the accompanying drawings.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, respectively
It is not drawn according to identical ratio between attached drawing.Identical reference marker is for indicating identical part.
Fig. 1-Fig. 7 shows a kind of hydraulic spanner of embodiment of the utility model comprising: back-up wrench 1, fixed plate 4, liquid
Transmission device 9, monkey wrench 13 and connecting plate 15 are pressed, 9 upper end of hydraulic transmission is welded with two fixed plates 4, described
Fixed plate 4 is equipped with multiple limit holes 6, and spacer pin 5 is plugged on the limit hole 6, is equipped with shaft 7 between two fixed plates 4,
The shaft 7 is plugged in back-up wrench 1, and 1 upper end of back-up wrench is equipped with the first fixed ring 3, and first fixed ring 3 is right
Upper end is equipped with fixed block 2；The hydraulic transmission 9 is built-in with hydraulic stem 8, and 8 right end of hydraulic stem is equipped with connecting plate 15, institute
It states and is provided with notch 16 on the right side of connecting plate 15, be equipped with rotational pin 17 in the connecting plate 15, the rotational pin 17 is plugged on Flexible spanner
In hand 13,13 upper end of monkey wrench is equipped with the second fixed ring 14.
In the utility model above-described embodiment, the hydraulic transmission 9 further includes hydraulic cavities 19 and piston plate 18, institute
It states and is equipped with hydraulic cavities 19 in hydraulic transmission 9, piston plate 18 is equipped in the hydraulic cavities 19, is provided in the piston plate 18
Hole, the 8 left end diameter of hydraulic stem are less than right end diameter, and the bore dia is equal with 8 left end diameter of hydraulic stem, and hydraulic stem 8 is right
Diameter is held to be greater than the diameter in hole, 8 left end of hydraulic stem passes through hole, and 8 left end of hydraulic stem is equipped with nut, the nut and piston plate
18 left ends are in close contact, and hydraulic transmission 9 is stretched out in 8 left end of hydraulic stem, can play the role of balance；The hydraulic transmission
9 lower-lefts end are equipped with the first hydraulic port 10, first hydraulic port 10 and 19 lower-left end connection of hydraulic cavities, the hydraulic transmission
9 bottom righthand sides are equipped with the second hydraulic port 11, second hydraulic port 11 and 19 bottom righthand side connection of hydraulic cavities, first hydraulic port
10, the second hydraulic port 11 is connect with hydraulic pump.
In the utility model above-described embodiment, the fixed block 2 is triangle or square.
In the utility model above-described embodiment, first fixed ring 3 is circle, and second fixed ring 14 is hexagonal
Shape.
In the utility model above-described embodiment, 4 upper end of fixed plate is arc, and the limit hole 6 is uniform in arcuation
It is located at 4 upper end of fixed plate, 5 length of spacer pin is greater than the distance between two fixed plates 4.
In the utility model above-described embodiment, the back-up wrench 1 is equipped with circular hole, the shaft 7 and circular hole gap
It is cooperatively connected.
In the utility model above-described embodiment, the connecting plate 15 is Contraband shape, and 16 width of notch is greater than Flexible spanner
The thickness of hand 13, the monkey wrench 13 are equipped with rotation hole, and the rotational pin 17 is connect with rotation hole clearance fit.
In the utility model above-described embodiment, annulus is welded on the spacer pin 5 and rotational pin 17, it is convenient to limit
The installation and removal of pin 5, rotational pin 17.
In the utility model above-described embodiment, 21 lower end of cylinder is equipped with flange 20, and flange 20 is equipped with multiple nuts, will
The first fixed ring 3 on back-up wrench 1 is socketed on one of nut, and the second fixed ring 14 on monkey wrench 13 is socketed
On the nut for needing to pre-tighten.
In the utility model above-described embodiment, 7 grafting of shaft there are three shaft hole is set below the fixed plate 4
In shaft hole.
Use principle and process: when the nut arrangement pitch on flange 20 farther out when, by shaft 7 rotate back-up wrench 1,
Back-up wrench 1 is adjusted into suitable angle, the first fixed ring 3 on back-up wrench 1 is socketed on a nut of flange 20,
And spacer pin 5 is inserted into suitable limit hole 6, back-up wrench 1 is blocked, then by the second fixed ring on monkey wrench 13
14 are socketed on the nut that need to be pre-tightened；
When the nut arrangement pitch on flange 20 is closer, shaft 7 is inserted in by the position that can be needed according to back-up wrench 1
In suitable shaft hole, and directly the fixed block 2 on back-up wrench 1 is stuck in adjacent nut, back-up wrench 1 is consolidated
It is fixed；
First hydraulic port 10, the second hydraulic port 11 are connect with hydraulic pump, hydraulic oil is passed through in the second hydraulic port 11, makes
It obtains piston plate 18 to move to the left, hydraulic stem 8 is driven to move to the left, and then connecting plate 15 is driven to move to the left, will fix
Spanner 1 is fixed, cooperation notch 16 and rotational pin 17 so that monkey wrench 13 is rotated clockwise, realize to bolt into
Row pre-tightens, and when loosening to nut, back-up wrench 1 and monkey wrench 13 are commutated；
Back-up wrench 1 and monkey wrench 13 are removed on bolt then, are passed through hydraulic oil in the first hydraulic port 10, is led to
It crosses piston plate 18 to push hydraulic stem 8 to the right, then monkey wrench 13 is socketed on another nut, can carry out again pre-
Tight or loosening operation.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to the purpose of invention, be subject to the purpose for realizing the utility model.
Claims (7)
1. a kind of hydraulic spanner characterized by comprising back-up wrench, fixed plate, hydraulic transmission, monkey wrench and company
Fishplate bar, the hydraulic transmission upper end are welded with two fixed plates, and the fixed plate is equipped with multiple limit holes, the limit
It is plugged with spacer pin on hole, is equipped with shaft between two fixed plates, the shaft is plugged in back-up wrench, the back-up wrench
Upper end is equipped with the first fixed ring, and the first fixed ring upper right side is equipped with fixed block；The hydraulic transmission is built-in with hydraulic
Bar, the hydraulic stem right end are equipped with connecting plate, and notch is provided on the right side of the connecting plate, is equipped with rotational pin, institute in the connecting plate
It states rotational pin to be plugged in monkey wrench, the monkey wrench upper end is equipped with the second fixed ring.
2. hydraulic spanner according to claim 1, which is characterized in that the hydraulic transmission further includes hydraulic cavities and work
Seben, the hydraulic transmission is interior to be equipped with hydraulic cavities, and piston plate is equipped in the hydraulic cavities, is provided with hole in the piston plate,
Hydraulic stem left end diameter is less than right end diameter, and the bore dia is equal with hydraulic stem left end diameter, hydraulic stem right end diameter
Greater than the diameter in hole, hydraulic stem left end passes through hole, and the hydraulic stem left end is equipped with nut, and the nut and piston plate left end are close
Contact；Hydraulic transmission lower-left end is equipped with the first hydraulic port, first hydraulic port and hydraulic cavities lower-left end connection, institute
Hydraulic transmission bottom righthand side is stated equipped with the second hydraulic port, second hydraulic port and hydraulic cavities bottom righthand side connection, described first
Hydraulic port, the second hydraulic port are connect with hydraulic pump.
3. hydraulic spanner according to claim 1, which is characterized in that the fixed block is triangle or square.
4. hydraulic spanner according to claim 1, which is characterized in that first fixed ring is circle, and described second is solid
Determining ring is hexagon.
5. hydraulic spanner according to claim 1, which is characterized in that the dead plate upper end is arc, the limit hole
It is uniformly located at dead plate upper end in arcuation, the spacer pin length is greater than the distance between two fixed plates.
6. hydraulic spanner according to claim 1, which is characterized in that the back-up wrench is equipped with circular hole, the shaft
It is connect with circular hole clearance fit.
7. hydraulic spanner according to claim 1, which is characterized in that the connecting plate is Contraband shape, and the width of rebate is big
In the thickness of monkey wrench, the monkey wrench is equipped with rotation hole, and the rotational pin is connect with rotation hole clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765591.1U CN209050666U (en) | 2018-10-30 | 2018-10-30 | A kind of hydraulic spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765591.1U CN209050666U (en) | 2018-10-30 | 2018-10-30 | A kind of hydraulic spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209050666U true CN209050666U (en) | 2019-07-02 |
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ID=67051906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821765591.1U Active CN209050666U (en) | 2018-10-30 | 2018-10-30 | A kind of hydraulic spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209050666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129285A (en) * | 2018-10-30 | 2019-01-04 | 重庆特通阀门有限公司 | A kind of hydraulic spanner |
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2018
- 2018-10-30 CN CN201821765591.1U patent/CN209050666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129285A (en) * | 2018-10-30 | 2019-01-04 | 重庆特通阀门有限公司 | A kind of hydraulic spanner |
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