CN202763742U - Hydraulic wrench device - Google Patents
Hydraulic wrench device Download PDFInfo
- Publication number
- CN202763742U CN202763742U CN 201220352851 CN201220352851U CN202763742U CN 202763742 U CN202763742 U CN 202763742U CN 201220352851 CN201220352851 CN 201220352851 CN 201220352851 U CN201220352851 U CN 201220352851U CN 202763742 U CN202763742 U CN 202763742U
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- ratchet
- hydraulic spanner
- oil cylinder
- hydraulic
- valve
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Abstract
A hydraulic wrench device comprises a hydraulic wrench unit. The hydraulic wrench unit comprises two protective plates, two straight grooves, two cylinders, a first sector plate, a second sector plate and an annular ratchet wheel. The two protective plates are arranged in parallel, a first round hole is formed in the middle of each protective plate in penetrating mode, and the two straight grooves are formed between the two protective plates and are symmetrical about the geometric center of the protective plates. Each cylinder comprises a piston rod and is fixed in one of the straight grooves, and the free end of each piston rod is connected with a sliding pin through a push-pill ring. A long hole is formed in the first sector plate, a long hole is formed in the second sector plate, one sliding pin is correspondingly arranged in each of the long holes, and the sliding pins can slide in the long holes, a second round hole is formed in the middle of the first sector plate in penetrating mode, a second round hole is formed in the middle of the second sector plate in penetrating mode, and the first sector plate and the second sector plate are arranged between the two protective plates in rotating mode. Two ratchets are arranged between the two protective plates in rotating mode. Continuous teeth are formed on the outer circumference of the annular ratchet wheel, the tooth tip of each ratchet can be detachably inserted into the root of each tooth of the ratchet wheel, and the inner circumference of the ratchet wheel is used to be connected with an object, wherein work is done to the object.
Description
Technical field
The utility model relates to a kind of hydraulic spanner device, relates in particular to a kind of hydraulic spanner device with double hydraulic cylinder.
Background technology
China is in the world coal production big country, especially in recent years, and the coal and mining industry fast development.In order to ensure the production safety of mechanical mining, a large amount of hydraulic supports that use in the mine.Hydraulic support all need use in mining operations whole process, and in use the hydraulic cylinder of hydraulic support will keep the jacking packing state all the time, and this is just high to the seal request of hydraulic cylinder.But the operating condition of down-hole is usually all very poor, and dust pollution is serious, so that the sealing system of hydraulic cylinder is very easily aging and damage.For carrying out continuously of the operation that guarantees to keep the safety in production, in time maintenance, maintenance and the sealing system of changing hydraulic cylinder become a job.But narrow space under the mine, maintenance tool are also very limited, so that maintenance of underground becomes very difficult.Common practices on the mine is that maintenance crew makes regular check on sealing system now, tear hydraulic cylinder open for the hydraulic cylinder that can not satisfy job requirement very heavy, and the down-hole is not easy to utilize automatic equipment, this so that dismounting and the work of transporting become and waste time and energy, inefficiency, affect very much manufacturing schedule, and the human cost of maintenance is very high.
The utility model content
The utility model is intended to propose a kind of hydraulic spanner device, and it can dismantle at operation field the sealing system of hydraulic cylinder, rather than hydraulic cylinder itself disassembled is transported to ground, and is time saving and energy saving, greatly reduces cost, improved production efficiency.
It comprises hydraulic spanner device of the present utility model: the hydraulic spanner unit; Described hydraulic spanner unit comprises: two backplates that be arranged in parallel, and described two backplates middle part is provided with the first circular hole of perforation; Be formed with two straight troughs between two backplates, these two straight troughs are about the geometric center Central Symmetry of backplate; Two oil cylinders, each oil cylinder comprises piston rod; An oil cylinder is installed in the straight trough regularly, and another oil cylinder is installed in another straight trough regularly, and the piston rod of oil cylinder can advance or rollback under the effect of pressure fluid; The free end of each piston rod is connected with an end of a push-and-pull ring; The other end of push-and-pull ring is provided with sliding pin; The first fan plate and the second fan plate; Each fan plate is formed with a slotted hole, holds accordingly a described sliding pin in each slotted hole, so that sliding pin can slide in slotted hole; The middle part of two blocks of fan plates is formed through the second circular hole corresponding to described the first circular hole, the first fan plate and the second fan plate are arranged between described two backplates rotationally around the second circular hole, two ratchets rotationally about the center of circle Central Symmetry of the second circular hole be arranged between two backplates; Circular ratchet is arranged between two backplates rotationally, and the center of circular ratchet is corresponding with the center of the second circular hole, and the periphery of ratchet is formed with continuous tooth, and the crown of ratchet inserts the root of the tooth of ratchet separatably; Ratchet by spring so that crown is pressed in the root of the tooth of ratchet; One end of spring is fixed to the fan plate, and the other end is fixed to ratchet, and the rotation of pulling ratchet is so that the crown of ratchet inserts the root of ratchet; Be used in the interior week of ratchet being connected with the work done object.
Preferably, further comprise fulcrum cells; Described fulcrum cells comprises: " C " shaped steel cover, the two ends of the opening part of " C " shaped steel cover formation extension that stretches out respectively is formed with through hole on the extension; The piston rod free end of high pressure stretching oil cylinder is formed with pin hole, the insertion pin was fixed after the piston rod free end passed two through holes, the length of pin is greater than through-hole diameter, and thus, two extensions of " C " shaped steel cover can be close to each other under high pressure stretches the effect of oil cylinder; Be provided with engaging tooth section on week in " C " shaped steel cover; Be provided with on " C " shaped steel cover periphery
Shape fulcrum soldering iron thinks that the hydraulic spanner unit provides fulcrum.
Preferably, further comprise the hydraulic pressure converter unit; Described hydraulic pressure converter unit comprises: choke valve, overflow valve, Pressure gauge, the reversal valve of two four-ways, banjo fixing butt jointing, backflow fittings;
The entrance of banjo fixing butt jointing is connected to the high pressure pumping plant, the outlet of banjo fixing butt jointing connects respectively to the entrance of Pressure gauge, overflow valve, the entrance of choke valve, the outlet of choke valve is connected to the first port of reversal valve, the second port of reversal valve is connected to backflow fittings, and the outlet of overflow valve is connected to backflow fittings; The the 3rd, the 4th port of reversal valve is connected with the liquid road of the oil cylinder of hydraulic spanner unit, pressure fluid is delivered to the oil cylinder of hydraulic spanner unit, so that the piston-advance of the oil cylinder of hydraulic spanner unit or rollback.
Preferably, ratchet interior week be provided with cutting ferrule, be connected with treating the work done object by cutting ferrule.
Preferably, the engaging tooth section of described " C " shaped steel cover is on interior week of separable being installed on " C " shaped steel cover.
Preferably, the radius of curvature of the increment outline line of described engaging tooth section is corresponding with the radius of curvature of the periphery for the treatment of manipulating object.
Preferably, described engaging tooth section is a plurality of, and further preferably, described engaging tooth section is 2-4.
Preferably, the backflow fittings of described hydraulic pressure converter unit is connected with eduction valve.
Hydraulic spanner device volume of the present utility model is little, lightweight, can carry out easily operation in the down-hole, need not hydraulic cylinder is transported to ground, on-the-spot sealing to hydraulic cylinder carry out demolition and replacement, greatly reduce difficulty and the workload of construction, can significantly reduce the personnel's of maintaining quantity and maintaining cost.
Description of drawings
Fig. 1 is the schematic diagram of the hydraulic spanner unit of hydraulic spanner device of the present utility model;
Fig. 2 is the schematic side view of the hydraulic spanner unit of Fig. 1;
Fig. 3 is the schematic diagram of the incorgruous work in hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 4 is the schematic diagram of working in the same way in the hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 5 is the schematic diagram of ratchet of hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 6 is the schematic diagram of fan plate of hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 7 is the schematic diagram of backplate of hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 8 is the schematic diagram of push-and-pull ring of hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Fig. 9 is the schematic diagram of piston rod of hydraulic spanner unit of the hydraulic spanner device of Fig. 1;
Figure 10 is the schematic diagram of the fulcrum cells of hydraulic spanner device of the present utility model;
Figure 11 is the schematic diagram of fulcrum soldering iron of the fulcrum cells of Figure 10;
Figure 12 is the schematic diagram of the hydraulic pressure converter unit of hydraulic spanner device of the present utility model.
The specific embodiment
Below, in connection with accompanying drawing the utility model is elaborated.
Hydraulic spanner device of the present utility model comprises the hydraulic spanner unit, shown in Fig. 1-9.
The hydraulic spanner unit comprises: two backplates 1, the first fan plate 2a, second fan plate 2b, ratchet 3.
Two backplates 1 be arranged in parallel, and described two backplates middle part is provided with the first circular hole of perforation; Be formed with two straight troughs between two backplates 1, these two straight troughs are used for holding oil cylinder 10a, 10b about the geometric center Central Symmetry of backplate 1.
In two oil cylinders, each oil cylinder comprises piston rod 11a, 11b; An oil cylinder is installed in the straight trough regularly, and another oil cylinder is installed in another straight trough regularly, and piston rod 11a, the 11b of oil cylinder can advance or rollback under the effect of pressure fluid; The free end of each piston rod 11a, 11b is connected with the end of push-and-pull ring 12a, a 12b; The other end of push-and- pull ring 12a, 12b is provided with sliding pin 13a, 13b; Among the first fan plate 2a and the second fan plate 2b, each fan plate is formed with a slotted hole, holds accordingly described sliding pin 13a, a 13b in each slotted hole, so that sliding pin 13a, 13b can slide in slotted hole; The middle part of two blocks of fan plates is formed through the second circular hole corresponding to described the first circular hole, the first fan plate and the second fan plate are arranged between described two backplates 1 rotationally around the second circular hole, two ratchet 22a, 22b rotationally about the center of circle Central Symmetry of the second circular hole be arranged between two backplates; Circular ratchet 3 is arranged at 1 of two backplate rotationally, and the center of circular ratchet is corresponding with the center of the second circular hole, and the periphery of ratchet 3 is formed with continuous tooth 31a, 31b, and the crown of ratchet 22a, 22b inserts the root of the tooth of ratchet separatably; Ratchet 22a, 22b by spring 21a, 21b so that crown is pressed in the root of the tooth of ratchet; The end of spring 21a, 21b is fixed to corresponding fan plate, and the other end is fixed to corresponding ratchet, and the rotation of pulling ratchet is so that the crown of ratchet inserts the root of ratchet; Be used in the interior week of ratchet being connected with the work done object, such as hydraulic cylinder, the interior week of ratchet can be directly to be connected with the work done object here, namely by the oil cylinder guide sleeve of dismounting, also can be indirectly to be connected with the work done object, such as being connected with the work done object by cutting ferrule.
The high-voltage oil cavity oil-feed of oil cylinder, pushing piston travels forward, driving piston rod stretches out forward, promote the rotation of fan plate by push-and-pull ring and sliding pin, the moving ratchet of fan strip, the gear shaping of ratchet promotes the ratchet rotation, the ratchet of rotation promotes the work done object connected directly or indirectly with it, drive it and rotate forward, until rotation is finished a predetermined angle, for example 30 °.Then, the low pressure oil pocket oil-feed of oil cylinder, the piston rollback resets.
When the hydraulic spanner unit promotes ratchet and then promotes ratchet to rotate by the piston that promotes oil cylinder, need a fixed support point, when implementing operation on ground, this strong point easily provides, but under some occasions, this strong point is not easy to find, and for this reason, hydraulic spanner device of the present utility model can further comprise fulcrum cells.
Shown in Figure 10-11, fulcrum cells comprises: " C " shaped steel cover 41, and the two ends of the opening part of " C " shaped steel cover 41 stretch out respectively and form extension 45, are formed with through hole on the extension; The piston rod free end of high pressure stretching oil cylinder 44 is formed with pin hole, insertion pin 46 was fixing after the piston rod free end passed two through holes, the length of pin is greater than through-hole diameter, and thus, two extensions 45 of " C " shaped steel cover 41 can be close to each other under high pressure stretches the effect of oil cylinder 44; Be provided with engaging tooth section 42 on week in " C " shaped steel cover, to strengthen the adhesion of " C " shaped steel cover; Be provided with on " C " shaped steel cover periphery
Shape fulcrum soldering iron 43 thinks that the hydraulic spanner unit provides fulcrum.The engaging tooth section 42 of " C " shaped steel cover can be integrally formed with steel bushing, also can be on the interior week of separable being installed on " C " shaped steel cover.The radius of curvature of the increment outline line of described engaging tooth section 42 is corresponding with the radius of curvature of the periphery for the treatment of manipulating object, so more be conducive to improve joggled strength, especially in the separable situation of engaging tooth section, can change corresponding engaging tooth section according to the curvature of the periphery for the treatment of manipulating object.Engaging tooth section 42 is preferably a plurality of, is advisable for 2-4.
For aboveground environment, can select suitable hydraulic power source to provide pressure for the oil cylinder of hydraulic spanner unit.For the operating environment of down-hole, the pressure of the emulsion of the high pressure pumping plant of down-hole is very large, is not suitable for directly being supplied to the oil cylinder of hydraulic spanner unit, needs to do the pressure conversion before access.
Thus, for this kind application, hydraulic spanner device of the present utility model can also comprise the hydraulic pressure converter unit; As shown in figure 12, the hydraulic pressure converter unit comprises: the reversal valve 55 of choke valve 53, overflow valve 52, Pressure gauge 54, two four-ways, banjo fixing butt jointing 51, backflow fittings 57.
The entrance of banjo fixing butt jointing 51 is connected to the high pressure pumping plant, the outlet of banjo fixing butt jointing 51 connects respectively to the entrance of Pressure gauge 54, overflow valve 52, the entrance of choke valve 53, the outlet of choke valve 53 is connected to the first port of reversal valve 55, the second port of reversal valve 55 is connected to backflow fittings 57, and the outlet of overflow valve 52 is connected to backflow fittings 57; The the 3rd, the 4th port of reversal valve is connected with the liquid road 56 of the oil cylinder of hydraulic spanner unit, pressure fluid is delivered to the oil cylinder of hydraulic spanner unit, so that the piston-advance of the oil cylinder of hydraulic spanner unit or rollback.The backflow fittings of described hydraulic pressure converter unit is connected with eduction valve.The reversal valve 55 of two four-ways is used for realizing that pressure fluid is injected into the switching of high-voltage oil cavity and the low pressure oil pocket of oil cylinder.
The pressure source that need to prove the high pressure stretching oil cylinder of fulcrum cells can provide independently, rather than is provided by the hydraulic pressure converting unit.Certainly, also can be provided by the hydraulic pressure converting unit.
As shown in Figure 3-4, two group oil cylinders of the hydraulic spanner unit of hydraulic spanner device of the present utility model have two kinds of mode of operations.
Figure 3 shows that incorgruous mode of operation, at this moment, the work of two oil cylinders is just in time opposite, when an oil cylinder advances outside work done, another oil cylinder rollback resets, like this, two oil cylinders alternately apply power to ratchet, so that ratchet rotates incessantly continuously, this kind pattern also can be called quick mode, be particularly useful for the situation less demanding and higher to rate request to strength, such as, after sealing system was unscrewed, very large strength just can not turn hydraulic cylinder, at this moment, just can adopt the quick mode of alternately acting to carry out work.
Figure 4 shows that in the same way mode of operation, at this moment, the work of two oil cylinders is identical, has an effect symmetrically, when an oil cylinder advances outside work done, when another oil cylinder also advances outside work done; When an oil cylinder rollback resets, another oil cylinder also rollback resets, so that ratchet can obtain maximum rotating torque, this kind pattern can be called the reinforcement pattern, the larger moment of needs just can make the thread looseness of hydraulic cylinder when being particularly useful for beginning to twist hydraulic cylinder, and when tightening hydraulic cylinder to final stage, need larger moment that screw thread is tightened.Owing to being that symmetry is had an effect, when the moment that obtains on the hydraulic cylinder is an oil cylinder job 2 times.
In addition, when can also adjusting as required each oil cylinder and advance work done, the utility model promotes the angle that ratchet rotates, such as 15 °, 30 °.
Hydraulic spanner device volume of the present utility model is little, lightweight, can carry out easily operation in the down-hole, need not hydraulic cylinder is transported to ground, on-the-spot sealing to hydraulic cylinder carry out demolition and replacement, greatly reduce difficulty and the workload of construction, can significantly reduce the personnel's of maintaining quantity and maintaining cost.
Claims (10)
1. hydraulic spanner device, it comprises: the hydraulic spanner unit;
Described hydraulic spanner unit comprises:
Two backplates that be arranged in parallel, described two backplates middle part is provided with the first circular hole of perforation; Be formed with two straight troughs between two backplates, these two straight troughs are about the geometric center Central Symmetry of backplate;
Two oil cylinders, each oil cylinder comprises piston rod; An oil cylinder is installed in the straight trough regularly, and another oil cylinder is installed in another straight trough regularly, and the piston rod of oil cylinder can advance or rollback under the effect of pressure fluid; The free end of each piston rod is connected with an end of a push-and-pull ring; The other end of push-and-pull ring is provided with sliding pin;
The first fan plate and the second fan plate; Each fan plate is formed with a slotted hole, holds accordingly a described sliding pin in each slotted hole, so that sliding pin can slide in slotted hole; The middle part of two blocks of fan plates is formed through the second circular hole corresponding to described the first circular hole, the first fan plate and the second fan plate are arranged between described two backplates rotationally around the second circular hole, two ratchets rotationally about the center of circle Central Symmetry of the second circular hole be arranged between two backplates;
Circular ratchet is arranged between two backplates rotationally, and the center of circular ratchet is corresponding with the center of the second circular hole, and the periphery of ratchet is formed with continuous tooth, and the crown of each ratchet inserts the root of tooth of the correspondence of ratchet separatably; Each ratchet by the spring of correspondence so that crown is pressed in the root of the tooth of ratchet; One end of spring is fixed to corresponding fan plate, and the other end is fixed to corresponding ratchet, and the rotation of pulling ratchet is so that the crown of ratchet inserts the root of ratchet; Be used in the interior week of ratchet being connected with the work done object.
2. hydraulic spanner device as claimed in claim 1 is characterized in that: further comprise fulcrum cells;
Described fulcrum cells comprises:
" C " shaped steel cover, C " two ends of opening part of the shaped steel cover formation extension that stretches out respectively, be formed with through hole on the extension; The piston rod free end of high pressure stretching oil cylinder is formed with pin hole, the insertion pin was fixed after the piston rod free end passed two through holes, the length of pin is greater than through-hole diameter, and thus, two extensions of " C " shaped steel cover can be close to each other under high pressure stretches the effect of oil cylinder; Be provided with engaging tooth section on week in " C " shaped steel cover; Be provided with " L " shape fulcrum soldering iron on " C " shaped steel cover periphery, think that the hydraulic spanner unit provides fulcrum.
3. hydraulic spanner device as claimed in claim 1 is characterized in that: further comprise the hydraulic pressure converter unit;
Described hydraulic pressure converter unit comprises:
Choke valve, overflow valve, Pressure gauge, the reversal valve of two four-ways, banjo fixing butt jointing, backflow fittings;
The entrance of banjo fixing butt jointing is connected to the high pressure pumping plant, the outlet of banjo fixing butt jointing connects respectively to the entrance of Pressure gauge, overflow valve, the entrance of choke valve, the outlet of choke valve is connected to the first port of reversal valve, the second port of reversal valve is connected to backflow fittings, and the outlet of overflow valve is connected to backflow fittings; The the 3rd, the 4th port of reversal valve is connected with the liquid road of the oil cylinder of hydraulic spanner unit, pressure fluid is delivered to the oil cylinder of hydraulic spanner unit, so that the piston-advance of the oil cylinder of hydraulic spanner unit or rollback.
4. hydraulic spanner device as claimed in claim 2 is characterized in that: further comprise the hydraulic pressure converter unit;
Described hydraulic pressure converter unit comprises:
Choke valve, overflow valve, Pressure gauge, the reversal valve of two four-ways, banjo fixing butt jointing, backflow fittings;
The entrance of banjo fixing butt jointing is connected to the high pressure pumping plant, the outlet of banjo fixing butt jointing connects respectively to the entrance of Pressure gauge, overflow valve, the entrance of choke valve, the outlet of choke valve is connected to the first port of reversal valve, the second port of reversal valve is connected to backflow fittings, and the outlet of overflow valve is connected to backflow fittings; The the 3rd, the 4th port of reversal valve is connected with the liquid road of the oil cylinder of hydraulic spanner unit, pressure fluid is delivered to the oil cylinder of hydraulic spanner unit, so that the piston-advance of the oil cylinder of hydraulic spanner unit or rollback.
5. such as claim 1 or 4 described hydraulic spanner devices, it is characterized in that: ratchet interior week be provided with cutting ferrule, be connected with the work done object by cutting ferrule.
6. such as claim 2 or 4 described hydraulic spanner devices, it is characterized in that: the engaging tooth section of described " C " shaped steel cover is the separable C of being installed on " on interior week of shaped steel cover.
7. such as claim 2 or 4 described hydraulic spanner devices, it is characterized in that: the radius of curvature of the increment outline line of described engaging tooth section is corresponding with the radius of curvature of the periphery for the treatment of manipulating object.
8. such as claim 2 or 4 described hydraulic spanner devices, it is characterized in that: described engaging tooth section is a plurality of.
9. such as claim 2 or 4 described hydraulic spanner devices, it is characterized in that: described engaging tooth section is 2-4.
10. such as claim 3 or 4 described hydraulic spanner devices, it is characterized in that: the backflow fittings of described hydraulic pressure converter unit is connected with eduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352851 CN202763742U (en) | 2012-07-20 | 2012-07-20 | Hydraulic wrench device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352851 CN202763742U (en) | 2012-07-20 | 2012-07-20 | Hydraulic wrench device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763742U true CN202763742U (en) | 2013-03-06 |
Family
ID=47770341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220352851 Expired - Fee Related CN202763742U (en) | 2012-07-20 | 2012-07-20 | Hydraulic wrench device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756350A (en) * | 2012-07-20 | 2012-10-31 | 朱云阁 | Hydraulic wrench device |
-
2012
- 2012-07-20 CN CN 201220352851 patent/CN202763742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756350A (en) * | 2012-07-20 | 2012-10-31 | 朱云阁 | Hydraulic wrench device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20140720 |
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| EXPY | Termination of patent right or utility model |