CN220741012U - Hydraulic bolt stretcher - Google Patents
Hydraulic bolt stretcher Download PDFInfo
- Publication number
- CN220741012U CN220741012U CN202322493504.9U CN202322493504U CN220741012U CN 220741012 U CN220741012 U CN 220741012U CN 202322493504 U CN202322493504 U CN 202322493504U CN 220741012 U CN220741012 U CN 220741012U
- Authority
- CN
- China
- Prior art keywords
- pipe plug
- oil pipe
- oil inlet
- oil
- joint
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a hydraulic bolt stretcher, which comprises a stretcher body, wherein an oil inlet is arranged on the side surface of the stretcher body, an oil inlet joint is transversely arranged at the oil inlet, limiting sliding grooves are respectively and transversely arranged on the upper and lower outer side walls of the oil inlet joint, an oil pipe plug is inserted into the oil inlet joint, a sleeve is arranged on the outer wall of the left side of the oil inlet joint corresponding to the oil pipe plug, clamping structures are respectively and movably arranged at the positions of the upper and lower sides of the inner wall of the oil pipe plug corresponding to the two limiting sliding grooves, a clamping groove is arranged at the left end of the limiting sliding groove corresponding to the clamping structures, an inserting head is arranged at the inlet of the oil pipe plug corresponding to the oil inlet joint, the right end of the oil inlet joint is propped against the inside of the oil pipe plug, and when the oil pipe plug is disassembled, a connecting rod rotates around a hinge joint, so that a clamping block is separated from the clamping groove, the whole assembly and disassembly process is simple and convenient, and the situation that the oil pipe plug is separated from the oil inlet joint when hydraulic operation is performed is avoided.
Description
Technical Field
The utility model relates to the technical field of hydraulic bolt stretchers, in particular to a hydraulic bolt stretcher.
Background
The hydraulic bolt stretcher is called as a hydraulic stretcher for short, and the power element of the hydraulic bolt stretcher has the function of converting mechanical energy of a prime motor into pressure energy of liquid, namely an oil pump in a hydraulic system, and provides power for the hydraulic bolt stretcher to realize the conversion from a fluid hydraulic pump to the mechanical energy. The hydraulic bolt stretcher power element has the function of converting mechanical energy of a prime motor into pressure energy of liquid, namely an oil pump in a hydraulic system, and provides power for the whole hydraulic system.
The utility model patent CN202320056033.2 discloses a hydraulic bolt stretcher, and belongs to the technical field of hydraulic bolt stretchers. The hydraulic bolt stretcher comprises a hydraulic bolt stretcher, an oil inlet, a high-pressure oil pipe and a convenient connecting mechanism, wherein the convenient connecting mechanism is arranged on the surface of the oil inlet; the convenient connecting mechanism comprises a clamping sleeve sleeved on the surface of the oil inlet, clamping grooves are formed in the outer side of the inner wall of the clamping sleeve, and the number of the clamping grooves is two and are uniformly distributed on the inner wall of the clamping sleeve;
the device can push the lifting plate into the clamping groove by utilizing the principle of homopolar repulsion of magnetic force, thereby completing the connection between the clamping sleeve and the oil inlet, and only needing to extrude the lifting plate back into the lifting groove by utilizing the extrusion rod when the lifting plate is disassembled;
but because the lifting plate is clamped in the clamping sleeve by the repulsion of the same poles of the magnets, but because the pressure of the high-pressure oil pipe is larger, the force provided by the lifting plate by the repulsion of the same poles of the magnets is limited, and the lifting plate can be quickly disassembled and assembled, but the clamping sleeve has the risk of falling out of an oil inlet during hydraulic operation.
Disclosure of Invention
The utility model provides a hydraulic bolt tensioner aiming at solving the technical problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a hydraulic pressure bolt stretcher, includes the stretcher body, stretcher body side is equipped with the oil inlet, still includes:
the oil inlet connector is transversely arranged at the oil inlet;
the two limiting sliding grooves are transversely arranged on the upper outer side wall and the lower outer side wall of the oil inlet joint;
the oil pipe plug is inserted in the oil inlet joint, a sleeve is arranged on the outer wall of the left side of the oil inlet joint corresponding to the oil pipe plug, and the tail end of the oil pipe plug is sleeved on the outer side wall of the sleeve and is in sliding connection with the sleeve;
the two clamping structures are respectively and movably arranged at the positions corresponding to the two limiting sliding grooves on the upper side and the lower side of the inner wall of the oil pipe plug, and the left end of each limiting sliding groove is provided with a clamping groove corresponding to the clamping structure;
the plug-in head is arranged at the inlet of the oil pipe plug corresponding to the oil inlet connector and is plugged in the oil inlet connector, and the right end of the oil inlet connector is propped against the inside of the oil pipe plug.
Preferably, the joint structure includes the connecting rod, the one end and the oil pipe plug inner wall of connecting rod are articulated, and the other end slope left side downwardly extending to spacing spout left end, and the end is equipped with the fixture block, the joint groove of spacing spout corresponds the fixture block setting, the one end of the articulated department of connecting rod transversely is equipped with the clamp plate right, the clamp plate upside is equipped with the depression bar perpendicularly, the depression bar passes the inside outside that extends of oil pipe plug, the oil pipe plug corresponds the depression bar and is equipped with the through-hole.
Preferably, the fixture block upper end is equipped with first standing groove, be equipped with the spring in the first standing groove, the lower extreme of spring is fixed in first standing groove, the upper end of spring extends to oil pipe plug inner wall department, oil pipe plug inner wall corresponds the spring and is equipped with the second standing groove, the upper end of spring is fixed in the second standing groove.
Preferably, the inner diameter of the through hole is larger than the outer diameter of the compression bar.
Preferably, a first sealing ring is arranged at the joint of the right end of the oil inlet connector and the inside of the oil pipe plug, and the first sealing ring is sleeved on the plug.
Preferably, an abutting ring is arranged at the right end of the corresponding sleeve inside the oil pipe plug, a second sealing ring is arranged between the abutting ring and the right end of the sleeve, and the second sealing ring is sleeved on the oil inlet connector.
Compared with the prior art, the utility model has the following beneficial effects:
according to the hydraulic bolt stretcher, when the oil pipe plug is inserted, the left side of the oil pipe plug is inserted on the sleeve, the insertion head is inserted on the oil inlet joint, meanwhile, the clamping block of the clamping structure slides into the clamping groove in the limiting sliding groove during insertion, the clamping block is abutted in the clamping groove under the elastic force of the spring, the sealing of the first sealing ring and the second sealing ring is further carried out, the air tightness of connection of the clamping block is ensured, meanwhile, the clamping block is matched with the clamping groove, the oil pipe plug is prevented from being separated from the oil inlet joint during hydraulic operation, and when the oil pipe plug is detached, only the pressing rods on the upper side and the lower side of the oil pipe plug are needed to be pressed, so that the connecting rod rotates around the hinged position, the clamping block is separated from the clamping groove, the whole installation and the detachment process are simple and convenient, and the situation that the oil pipe plug is separated from the oil inlet joint during hydraulic operation is avoided.
Drawings
FIG. 1 is a schematic view of an oil pipe plug installation of a hydraulic bolt tensioner according to the present utility model;
FIG. 2 is an overall schematic of a hydraulic bolt tensioner according to the present utility model;
fig. 3 is an enlarged view of a portion a of a hydraulic bolt tensioner according to the present utility model.
In the figure: 1. a stretcher body; 2. an oil inlet; 3. an oil inlet connector; 4. limiting sliding grooves; 41. a clamping groove; 5. an oil pipe plug; 51. a through hole; 52. a second placement groove; 53. an abutment ring; 6. a sleeve; 7. a clamping structure; 71. a connecting rod; 72. a clamping block; 73. a pressing plate; 74. a compression bar; 75. a first placement groove; 76. a spring; 8. a plug-in head; 9. a first seal ring; 10. and a second sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in the embodiment of the present application, the following are: the hydraulic bolt stretcher comprises a stretcher body 1, wherein an oil inlet 2 is arranged on the side surface of the stretcher body 1, an oil inlet joint 3 is transversely arranged at the position of the oil inlet 2, limiting sliding grooves 4 are respectively transversely arranged at the upper and lower outer side walls of the joint of the oil inlet 2, an oil pipe plug 5 is inserted at the position of the joint of the oil inlet 2, a sleeve 6 is arranged at the outer wall of the left side of the joint of the oil inlet 2, the tail end of the oil pipe plug 5 is sleeved on the outer side wall of the sleeve 6 and is in sliding connection with the outer wall of the sleeve 6, an abutting ring 53 is arranged at the position of the right end of the inner part of the oil pipe plug 5, a second sealing ring 10 is arranged between the abutting ring 53 and the right end of the sleeve 6, the second sealing ring 10 is sleeved on the joint 3 of the oil inlet, clamping structures 7 are respectively and movably arranged at the upper and lower sides of the inner wall of the oil pipe plug 5, a clamping groove 41 is arranged at the position of the left end of the limiting sliding groove 4, a clamping structure 8 is inserted in the oil pipe plug 5, an inserting head 8 is inserted in the sleeve 3, the right end of the oil pipe plug 3 is abutted against the inner right end of the oil pipe plug 5, an inner right end of the oil inlet 3 is abutted against the inner right end of the sleeve 3, and a first sealing ring 9 is abutted against the inner end 9 of the joint 9;
the sleeve is sleeved at the left end of the oil inlet connector 3, so that a movable cavity is formed between the oil pipe plug 5 and the right end of the oil inlet connector 3, the movable clamping of the clamping structure 7 is facilitated, and meanwhile, the first sealing ring 9 and the second sealing ring 10 are arranged, so that the air tightness after connection is ensured, and the oil pipe plug can work normally.
In another embodiment, referring to fig. 1 to 3, the clamping structure 7 includes a connecting rod 71, one end of the connecting rod 71 is hinged with the inner wall of the oil pipe plug 5, the other end of the connecting rod is inclined to the left end of the limiting chute 4, a clamping block 72 is arranged at the tail end of the connecting rod, the clamping groove 41 of the limiting chute 4 is arranged corresponding to the clamping block 72, a first placing groove 75 is arranged at the upper end of the clamping block 72, a spring 76 is arranged in the first placing groove 75, the lower end of the spring 76 is fixed in the first placing groove 75, the upper end of the spring 76 extends to the inner wall of the oil pipe plug 5, a second placing groove 52 is arranged corresponding to the spring 76 in the inner wall of the oil pipe plug 5, the upper end of the spring 76 is fixed in the second placing groove 52, a pressing plate 73 is transversely arranged at one end of the hinged position of the connecting rod 71 to the right, a pressing plate 74 is vertically arranged at the upper side of the pressing plate 73, the pressing rod 74 passes through the inside of the oil pipe plug 5 and extends to the outer side, a through hole 51 is arranged corresponding to the pressing rod, and the inner diameter of the through hole 51 is larger than the outer diameter of the pressing rod 74;
during the insertion, clamping blocks on two sides of the inner wall of the oil pipe plug 5 are corresponding to the limiting sliding grooves 4 of the oil inlet connector 3 and are pushed inwards, so that the clamping blocks 72 can be smoothly clamped in the clamping grooves 41, the clamping blocks 72 are pressed by the elasticity of the springs 76, and the clamping blocks 72 are prevented from falling out in the working process; when the oil pipe plug 5 is dismounted, the pressing rods 74 on the upper side and the lower side of the oil pipe plug 5 are pressed, so that the pressing plates 73 are pressed to drive the connecting rods 71 to rotate along the hinged positions, the clamping blocks 72 are separated from the clamping grooves 41, the dismounting is completed, the whole mounting and dismounting process is simple and convenient, and meanwhile, the situation that the oil pipe plug 5 is separated from the oil inlet connector 3 when hydraulic operation is performed is avoided.
Working principle: according to the hydraulic bolt stretcher provided by the utility model, when the oil pipe plug 5 is inserted, the left side of the oil pipe plug 5 is inserted on the sleeve 6, the insertion head 8 is inserted on the oil inlet joint 3, meanwhile, when the oil pipe plug is inserted, the clamping block 72 of the clamping structure 7 slides into the clamping groove 41 through the clamping block 72 of the clamping structure 7, the clamping block 72 is abutted into the clamping groove 41 under the elastic force of the spring 76, the air tightness of connection of the clamping block 72 is ensured through the sealing of the first sealing ring 9 and the second sealing ring 10, meanwhile, the clamping block 72 is matched with the clamping groove 41 and the spring 76, the oil pipe plug 5 is prevented from being separated from the oil inlet joint 3 when hydraulic work is carried out, and when the oil pipe plug 5 is detached, the connecting rod 71 is only required to rotate around the hinge joint, so that the clamping block 72 is separated from the clamping groove 41, the detachment is completed, the whole installation and detachment process is simple and convenient, and the situation that the oil pipe plug 5 is separated from the oil inlet joint 3 when hydraulic work is carried out is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hydraulic pressure bolt stretcher, includes stretcher body (1), stretcher body (1) side is equipped with oil inlet (2), its characterized in that still includes:
the oil inlet joint (3) is transversely arranged at the oil inlet (2);
the two limiting sliding grooves (4) are transversely arranged on the upper outer side wall and the lower outer side wall of the joint of the oil inlet (2);
the oil pipe plug (5) is inserted into the joint of the oil inlet (2), a sleeve (6) is arranged on the outer wall of the left side of the joint of the oil inlet (2) corresponding to the oil pipe plug (5), and the tail end of the oil pipe plug (5) is sleeved on the outer side wall of the sleeve (6) and is in sliding connection with the sleeve;
the two clamping structures (7) are respectively and movably arranged at the positions of the upper side and the lower side of the inner wall of the oil pipe plug (5) corresponding to the two limiting sliding grooves (4), and clamping grooves (41) are formed in the left end of each limiting sliding groove (4) corresponding to the clamping structure (7);
the plug-in head (8) is arranged at the inlet of the oil pipe plug (5) corresponding to the oil inlet joint (3) and is plugged in the oil inlet joint (3), and the right end of the oil inlet joint (3) is abutted against the inside of the oil pipe plug (5).
2. The hydraulic bolt tensioner according to claim 1, wherein the clamping structure (7) comprises a connecting rod (71), one end of the connecting rod (71) is hinged to the inner wall of the oil pipe plug (5), the other end of the connecting rod is inclined leftwards and downwards to the left end of the limiting chute (4), a clamping block (72) is arranged at the tail end of the connecting rod, the clamping groove (41) of the limiting chute (4) is arranged corresponding to the clamping block (72), a pressing plate (73) is transversely arranged at one end of the hinged part of the connecting rod (71) rightwards, a pressing rod (74) is vertically arranged at the upper side of the pressing plate (73), the pressing rod (74) penetrates through the inside of the oil pipe plug (5) and extends to the outside, and a through hole (51) is arranged at the corresponding pressing rod of the oil pipe plug (5).
3. The hydraulic bolt tensioner according to claim 2, wherein a first placing groove (75) is formed in the upper end of the clamping block (72), a spring (76) is arranged in the first placing groove (75), the lower end of the spring (76) is fixed in the first placing groove (75), the upper end of the spring (76) extends to the inner wall of the oil pipe plug (5), a second placing groove (52) is formed in the inner wall of the oil pipe plug (5) corresponding to the spring (76), and the upper end of the spring (76) is fixed in the second placing groove (52).
4. A hydraulic bolt tensioner according to claim 2, characterised in that the inner diameter of the through hole (51) is larger than the outer diameter of the compression rod (74).
5. The hydraulic bolt tensioner according to claim 1, wherein a first sealing ring (9) is arranged at the joint of the right end of the oil inlet connector (3) and the interior of the oil pipe plug (5), and the first sealing ring (9) is sleeved on the plug-in connector (8).
6. The hydraulic bolt tensioner according to claim 1, wherein an abutting ring (53) is arranged at the right end of the oil pipe plug (5) corresponding to the sleeve (6), a second sealing ring (10) is arranged between the abutting ring (53) and the right end of the sleeve (6), and the second sealing ring (10) is sleeved on the oil inlet joint (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493504.9U CN220741012U (en) | 2023-09-14 | 2023-09-14 | Hydraulic bolt stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493504.9U CN220741012U (en) | 2023-09-14 | 2023-09-14 | Hydraulic bolt stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220741012U true CN220741012U (en) | 2024-04-09 |
Family
ID=90567974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493504.9U Active CN220741012U (en) | 2023-09-14 | 2023-09-14 | Hydraulic bolt stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220741012U (en) |
-
2023
- 2023-09-14 CN CN202322493504.9U patent/CN220741012U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209755073U (en) | Rubber tube assembly fixture | |
| CN220741012U (en) | Hydraulic bolt stretcher | |
| CN215908609U (en) | Liquid pipeline flange joint subassembly | |
| CN114192659A (en) | Automatic preparation system of high-toughness ball cage retainer and control method thereof | |
| CN215568790U (en) | Plug self-ejection type quick pneumatic connector | |
| CN220658830U (en) | Automatic bending equipment for hardware production | |
| CN217252124U (en) | Collecting pipe stamping die and stamping machine | |
| CN214674127U (en) | MPP pipe convenient to connect | |
| CN212718588U (en) | Central heating valve joint device | |
| CN210290396U (en) | Pipe fitting convenient to connect | |
| CN211763453U (en) | Product shaping and assembling jig | |
| CN215806959U (en) | Anti-drop formula outlet duct connects | |
| CN220068011U (en) | Microwave assembly based on high maintenance efficiency | |
| CN219510346U (en) | Pipeline connecting piece convenient to dismouting | |
| CN219866854U (en) | Connecting elbow for pneumatic element | |
| CN219657752U (en) | Ammeter case convenient to dismouting | |
| CN209213268U (en) | A kind of pipe fitting buckle and latchplate | |
| CN116576203B (en) | Synchronous wheel structure of shaft coupling | |
| CN113847497B (en) | Hydraulic engineering pipeline convenient to dismantle | |
| CN219268052U (en) | Jack type radio frequency coaxial connector | |
| CN219477523U (en) | Anti-loosening interface for communication pipeline assembly | |
| CN219198421U (en) | Oxygen generation converter convenient for tracheal connection | |
| CN215720778U (en) | Piston and pull rod connecting mechanism | |
| CN220204928U (en) | Sealing water-stopping sleeve for heating pipeline | |
| CN219452228U (en) | Mute box type diesel generator set convenient to assemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |