CN215666887U - Conical anchor type prestress jack - Google Patents
Conical anchor type prestress jack Download PDFInfo
- Publication number
- CN215666887U CN215666887U CN202121651310.1U CN202121651310U CN215666887U CN 215666887 U CN215666887 U CN 215666887U CN 202121651310 U CN202121651310 U CN 202121651310U CN 215666887 U CN215666887 U CN 215666887U
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- Prior art keywords
- jack
- anchor type
- ring
- cylinder
- strip
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a conical anchor type prestress jack, which comprises a main cylinder and an auxiliary cylinder, wherein a placing mechanism is arranged at the bottom of the main cylinder, the placing mechanism comprises an installation ring and a base, an extension bar and a fixing bar are respectively arranged outside the installation ring, an arc-shaped block is arranged on the side surface of the extension bar, a moving hole is formed in the fixing bar, a moving rod is arranged in the moving hole, an arc-shaped plate is arranged at one end of the moving rod, two groups of convex plates are arranged at the other end of the moving rod, and a spring is arranged between each convex plate and the fixing bar; according to the utility model, through the designed placing mechanism, the jack can be placed on the placing mechanism when the jack is not used, the placing mechanism can increase the stability of the jack when the jack is placed, the jack is not easy to tilt, the steps are simple, the use is convenient, and the subsequent use of the jack is convenient.
Description
Technical Field
The utility model belongs to the technical field of jacks, and particularly relates to a conical anchor type prestress jack.
Background
The conic anchor type prestressed jack is one special jack with the functions of stretching, anchoring and withdrawing wedge and is used for stretching steel wire bundle with conic anchor.
The existing jack is directly placed on the ground or a placing table to be placed when not in use, the jack is prone to tilting and damage in the placing process, and if the jack is placed in a laying mode, the jack can roll easily to cause movement and influence subsequent use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cone anchor type prestress jack, which aims to solve the problems that the existing jack is directly placed on the ground or a placing table for placing when not used, the jack is easy to incline and damage in the placing process, and if the jack is placed upside down for placing, the jack is easy to roll, so that the jack is moved and the subsequent use is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a awl anchor formula prestressing jack, includes master cylinder and vice jar, the bottom of master cylinder is provided with placement mechanism, placement mechanism includes collar and base, the outside of collar is provided with extension strip and fixed strip respectively, the side of extension strip is provided with the arc piece, the removal hole has been seted up to the inside of fixed strip, the inside in removal hole is provided with the carriage release lever, the one end of carriage release lever is provided with the arc, the other end of carriage release lever is provided with two sets of flanges, the flange with be provided with the spring between the fixed strip.
Preferably, one end of the spring is fixedly connected with the fixing strip, and the other end of the spring is fixedly connected with the convex plate.
Preferably, the moving rod is reciprocally movable left and right on the moving hole, and a bottom of the master cylinder is located on the mounting ring.
Preferably, the bottom of master cylinder is provided with the glib entry, be provided with the end cap on the glib entry, the slot has been seted up to the inside of end cap, the bottom of glib entry can penetrate the inside of slot, the outer wall cover of slot is equipped with the rubber ring.
Preferably, the outer part of the main cylinder is provided with a conical clamping ring, and the outer wall of the conical clamping ring is uniformly provided with wedge blocks.
Preferably, the outside of vice jar is provided with solid fixed ring, gu fixed ring's outside evenly is provided with the lug, the top of vice jar is provided with the anchor stopper.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, through the designed placing mechanism, the jack can be placed on the placing mechanism when the jack is not used, the placing mechanism can increase the stability of the jack when the jack is placed, the jack is not easy to tilt, the steps are simple, the use is convenient, and the subsequent use of the jack is convenient.
(2) The plug, the slot and the rubber ring are combined, so that the plug can be conveniently inserted into the oil nozzle inlet when not in use to protect the oil nozzle inlet, external impurities can be prevented from entering the oil nozzle inlet to cause the condition that the oil nozzle inlet is easy to block, the design is simple, and the protection effect is obvious.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the fixing strip of the present invention;
FIG. 3 is a cross-sectional structural schematic view of the mounting ring of the present invention;
FIG. 4 is a schematic cross-sectional view of a plug according to the present invention;
in the figure: 1. an anchor plug; 2. a bump; 3. a tapered snap ring; 4. an arc-shaped plate; 5. a spring; 6. a travel bar; 7. a convex plate; 8. a fixing strip; 9. a mounting ring; 10. a base; 11. an extension bar; 12. an arc-shaped block; 13. a master cylinder; 14. a wedge block; 15. a secondary cylinder; 16. a fixing ring; 18. moving the hole; 19. a nozzle tip inlet; 20. a plug; 21. a rubber ring; 22. and (4) a slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a cone anchor type prestress jack comprises a main cylinder 13 and an auxiliary cylinder 15, wherein a placing mechanism is arranged at the bottom of the main cylinder 13 and comprises a mounting ring 9 and a base 10, an extension bar 11 and a fixing bar 8 are respectively arranged outside the mounting ring 9, an arc block 12 is arranged on the side surface of the extension bar 11, a moving hole 18 is formed in the fixing bar 8, a moving rod 6 is arranged in the moving hole 18, an arc plate 4 is arranged at one end of the moving rod 6, two groups of convex plates 7 are arranged at the other end of the moving rod 6, a spring 5 is arranged between each convex plate 7 and the corresponding fixing bar 8, one end of the spring 5 is fixedly connected with the corresponding fixing bar 8, the other end of the spring 5 is fixedly connected with the corresponding convex plate 7, the moving rod 6 can reciprocate leftwards and rightwards on the corresponding moving hole 18, the bottom of the main cylinder 13 is positioned on the mounting ring 9, and by means of design, when the jack is not used, the placing mechanism can increase the stability of the jack when the jack is placed, the jack is not easy to tilt, the steps are simple, the use is convenient, and the jack can be conveniently used in the subsequent process.
In this embodiment, it is preferable, the bottom of the main cylinder 13 is provided with the glib inlet 19, be provided with the end cap 20 on the glib inlet 19, slot 22 has been seted up to the inside of end cap 20, the inside of slot 22 can be penetrated to the bottom of glib inlet 19, the outer wall cover of slot 22 is equipped with rubber ring 21, end cap 20 through the design, slot 22 and rubber ring 21 combine together, be convenient for can insert end cap 20 on glib inlet 19 when not using, protect glib inlet 19, prevent that external impurity can get into the inside of glib inlet 19, cause the easy condition of blockking up of glib inlet 19, the design is simple, the protecting effect is showing.
In this embodiment, it is preferable that the outer portion of the master cylinder 13 is provided with a tapered snap ring 3, and the outer wall of the tapered snap ring 3 is uniformly provided with wedges 14.
In this embodiment, it is preferable that the outside of the sub-cylinder 15 is provided with a fixing ring 16, the outside of the fixing ring 16 is uniformly provided with the projections 2, and the top of the sub-cylinder 15 is provided with the anchor plug 1.
The working principle and the using process of the utility model are as follows: anchoring a prestressed steel wire on the conical clamp ring 3, then moving the main cylinder 13 downwards to drive the conical clamp ring 3 to move, tensioning the steel wire, closing the main cylinder 13 after tensioning is finished, opening the auxiliary cylinder 15, moving the auxiliary cylinder 15 upwards, then returning oil to the main cylinder 13 and the auxiliary cylinder 15 simultaneously, and restoring the main cylinder 13 and the auxiliary cylinder 15 to the original positions;
when the utility model is used, the other end of the moving rod 6 is held to move in the direction far away from the fixed strip 8 to drive the convex plate 7 and the arc-shaped plate 4 to move, the spring 5 starts to stretch under the influence of the convex plate 7, the moving rod 6 stops moving after moving to a proper position, then the bottom of the main cylinder 13 on the jack is placed on the mounting ring 9, the main cylinder 13 is positioned between the arc-shaped block 12 and the arc-shaped plate 4, the moving rod 6 is slowly released, the spring 5 resets at the moment, the convex plate 7 is driven to move in the direction close to the fixed strip 8 to drive the moving rod 6 to move, the moving rod 6 drives the arc-shaped plate 4 to move, then the arc-shaped plate 4 can clamp the main cylinder 13, the jack can be fixed, when the utility model is used, the moving rod 6 is moved in the direction far away from the fixed strip 8 again to drive the arc-shaped plate 4 to move, then the inner wall of the arc-shaped plate 4 is not contacted with the main cylinder 13 any more, then the jack is taken out;
when the oil nozzle is not used, the choke plug 20 covers the oil nozzle inlet 19, the rubber ring 21 is squeezed, the choke plug 20 can be fixed, and when the oil nozzle is used, the choke plug 20 can be pulled out forcibly, so that the choke plug 20 can be taken down.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 awl anchor formula prestressing jack, includes master cylinder (13) and vice cylinder (15), its characterized in that: the bottom of master cylinder (13) is provided with placement mechanism, placement mechanism includes collar (9) and base (10), the outside of collar (9) is provided with extension strip (11) and fixed strip (8) respectively, the side of extension strip (11) is provided with arc piece (12), removal hole (18) have been seted up to the inside of fixed strip (8), the inside of removing hole (18) is provided with carriage release lever (6), the one end of carriage release lever (6) is provided with arc (4), the other end of carriage release lever (6) is provided with two sets of flanges (7), flange (7) with be provided with spring (5) between fixed strip (8).
2. The cone anchor type pre-stress jack of claim 1, wherein: one end of the spring (5) is fixedly connected with the fixing strip (8), and the other end of the spring (5) is fixedly connected with the convex plate (7).
3. The cone anchor type pre-stress jack of claim 1, wherein: the moving rod (6) can reciprocate left and right on the moving hole (18), and the bottom of the main cylinder (13) is positioned on the mounting ring (9).
4. The cone anchor type pre-stress jack of claim 3, wherein: the bottom of master cylinder (13) is provided with glib entry (19), be provided with end cap (20) on glib entry (19), slot (22) have been seted up to the inside of end cap (20), the bottom of glib entry (19) can penetrate the inside of slot (22), the outer wall cover of slot (22) is equipped with rubber ring (21).
5. The cone anchor type pre-stress jack of claim 4, wherein: the outer portion of master cylinder (13) is provided with toper snap ring (3), the outer wall of toper snap ring (3) evenly is provided with voussoir (14).
6. The cone anchor type pre-stress jack of claim 1, wherein: the outside of vice jar (15) is provided with solid fixed ring (16), the outside of solid fixed ring (16) evenly is provided with lug (2), the top of vice jar (15) is provided with anchor plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651310.1U CN215666887U (en) | 2021-07-20 | 2021-07-20 | Conical anchor type prestress jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651310.1U CN215666887U (en) | 2021-07-20 | 2021-07-20 | Conical anchor type prestress jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666887U true CN215666887U (en) | 2022-01-28 |
Family
ID=79980749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121651310.1U Expired - Fee Related CN215666887U (en) | 2021-07-20 | 2021-07-20 | Conical anchor type prestress jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388081A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
-
2021
- 2021-07-20 CN CN202121651310.1U patent/CN215666887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388081A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
| CN117388081B (en) * | 2023-12-12 | 2024-04-02 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |