CN210953606U - Anchor rod drawing instrument capable of carrying out unloading control - Google Patents
Anchor rod drawing instrument capable of carrying out unloading control Download PDFInfo
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- CN210953606U CN210953606U CN201921751639.8U CN201921751639U CN210953606U CN 210953606 U CN210953606 U CN 210953606U CN 201921751639 U CN201921751639 U CN 201921751639U CN 210953606 U CN210953606 U CN 210953606U
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Abstract
The utility model discloses an appearance is drawn to stock that can unload control belongs to the test equipment field, aims at providing an appearance is drawn to stock that can unload control, and its technical scheme main points are including the hand pump, the jack of being connected with the hand pump, the overflow valve includes the valve body, set up in the import of valve body bottom, set up export, swing joint on the valve body lateral wall piston, connect at the regulation pole at piston top, threaded connection and keep away from the sleeve pipe of piston rod one end, connect the connecting rod in the piston below, connect the cone valve in the connecting rod below at the regulation pole, export and hand pump connection, the chamfer has been seted up to import department, cone valve lateral wall and chamfer conflict cooperation, the utility model has the advantages of the overflow valve switching is effectual, and the loading effect is stable, and the uninstallation is timely.
Description
Technical Field
The utility model relates to a test equipment field, in particular to appearance is drawn to stock that can carry out uninstallation control.
Background
The anchor rod drawing instrument is a field detection instrument necessary for quality inspection units. The anchor rod drawing instrument is mainly used for detecting the anchoring force of anchoring bodies such as various anchor rods, reinforcing steel bars and the like. The anchor rod drawing instrument consists of a manual pump, a hydraulic cylinder, an intelligent digital display pressure gauge, a high-pressure oil pipe with a quick connector, an anchor and a portable box, wherein the hydraulic cylinder is of a hollow self-resetting type, the intelligent digital pressure gauge can directly read the anchor rod tension value (kN), and the anchor rod drawing instrument has peak value keeping, storage and query functions, is particularly suitable for field use and is simple to operate.
Chinese patent No. CN208476655U discloses a portable anchor rod drawing instrument capable of performing unloading control, which comprises 1 three-way joint, wherein one end of the three-way joint is connected with the jack inlet and outlet of the jack through a second pipeline; the other end of the three-way joint is connected with the outlet of a manual pump of the manual pump through a first pipeline; the last end of the three-way joint is connected with an overflow valve inlet of the overflow valve through a third pipeline; the outlet of the overflow valve is connected with the oil return port of the manual pump through a fourth pipeline. Through above device, realized that the stock draws experimental overall process control.
Above-mentioned technical scheme adds the overflow valve in order to solve the uninstallation control problem on traditional basis of drawing the appearance, and has kept portable advantage, is equipped with the cone valve in the overflow valve, and the cone valve is located overflow valve import top, and the cone valve controls overflow valve import switch, and the tensile force through the spring control cone valve blocks up in overflow valve import department, or makes the cone valve open and make things convenient for hydraulic oil to pass through. However, in the practical use process, the top of the cone valve is connected with the spring, the spring has elasticity, the cone valve is difficult to control to be completely blocked at the inlet of the overflow valve when going downwards, and in the loading process, if the cone valve does not completely block the inlet of the overflow valve or completely blocks the overflow valve to block the circulation of hydraulic oil for a long time and at a slow speed, the pressure in the jack is insufficient, the loading is unstable, and the detection precision of the drawing instrument is influenced; in the unloading process, if the cone valve is clamped at the inlet of the overflow valve, the cone valve is difficult to pull out only by the tension of the spring, and the cone valve can be pushed out from the inlet of the overflow valve only by generating larger pressure on the cone valve by hydraulic oil at the moment, so that the unloading delay is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out stock of uninstallation control and draw appearance has that the overflow valve switching is effectual, and the loading effect is stable, the timely advantage of uninstallation.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an appearance is drawn to stock that can unload control, includes the hand pump, the jack of being connected with the hand pump, the overflow valve includes the valve body, sets up in the import of valve body bottom, sets up export on the valve body lateral wall, swing joint piston in the valve body, connect the regulation pole at piston top, threaded connection keep away from the sleeve pipe of piston rod one end, connect the connecting rod in the piston below, connect the cone valve in the connecting rod below at the regulation pole, the export is connected with the hand pump, the chamfer has been seted up to import department, the cone valve lateral wall is contradicted with the chamfer and is cooperated.
By adopting the technical scheme, when loading is needed, the sleeve is moved, the sleeve drives the adjusting rod to move downwards, the adjusting rod drives the piston and the connecting rod and the cone valve below the piston to move downwards until the cone valve is abutted against the inlet, the cone valve is a valve block arranged in a conical shape, when the cone valve moves downwards, the side wall of the cone valve is abutted against the chamfer side wall at the inlet, the side wall of the cone valve is abutted and matched with the chamfer side wall, the cone valve is matched with the inlet to close the overflow valve, hydraulic oil directly enters the jack from the manual pump, when unloading is needed, the sleeve is moved upwards, the sleeve drives the adjusting rod, the adjusting rod sequentially drives the piston and the cone valve below the adjusting rod to move upwards, the overflow valve is far away from the inlet, the hydraulic oil enters the overflow valve and returns to the manual pump through the overflow valve, and the adjusting rod in threaded connection with the sleeve can finely adjust the position between, thereby the position of piston, connecting rod and the cone valve that the regulation pole below is connected is adjusted to adjust the more inseparable cooperation of chamfer of cone valve and import department, make when drawing the appearance loading more stable, the connecting rod between piston and the cone valve can make the cone valve move along with the piston more rapidly simultaneously, makes the overflow valve switching rapidly, and the uninstallation is timely, and is more stable during the loading, thereby improves the switching effect of overflow valve.
Furthermore, the top of the valve body is fixedly connected with an installation sleeve, and the sleeve is in threaded connection with the installation sleeve.
By adopting the technical scheme, the sleeve is in threaded connection with the mounting sleeve, so that the position of the sleeve in the pump body can be conveniently adjusted by the sleeve, the positions of the adjusting rod, the piston, the connecting rod and the cone valve in the pump body can be adjusted, and the sleeve is adjusted roughly relative to the adjusting effect of the adjusting rod.
Furthermore, a contact ring is fixedly arranged on one side, far away from the piston, of the outer side wall of the sleeve, and an annular handle is arranged on the outer side wall of the contact ring.
Through adopting above-mentioned technical scheme, annular handle is located conflict ring lateral wall, and annular handle makes things convenient for the staff to operate, rotates annular handle, can rotate the sleeve pipe to adjust the position of sleeve pipe in the pump body.
Furthermore, the rubber pad is arranged on one side, close to the pump body, of the abutting ring, and the rubber pad is located at the top of the pump body.
Through adopting above-mentioned technical scheme, be located the pump body when the sleeve pipe, and the rubber pad is contradicted when the pump body top, the sleeve pipe can not continue to move to the sleeve pipe again, and the rubber pad is contradicted on the conflict ring lateral wall this moment, prevents to produce the friction between sleeve pipe and the pump body.
Furthermore, one end of the adjusting rod, which is far away from the piston, is fixedly connected with an adjusting ring.
Through adopting above-mentioned technical scheme, cone valve contradicts with the chamfer lateral wall this moment, can lead to cone valve and import department's cooperation not inseparable enough when using for a long time with wearing and tearing, can influence sealed effect, can rotate the adjustable ring this moment, can drive the regulation pole at the intraductal rotation of cover, thereby adjust regulation pole and sheathed tube relative position, further adjust the position of cone valve and import department, make the cooperation between cone valve and the import inseparabler, improve the effect of closing of overflow valve, make the loading effect more stable.
Further, it is equipped with the sealing ring to be located the import top in the pump body, the sealing ring forms the ladder platform with the import top, the sealed piece of cone valve top fixedly connected with, conflict on the ladder platform sealed piece bottom, conflict on the sealing ring inside wall sealed piece lateral wall.
Through adopting above-mentioned technical scheme, the sealing block lateral wall is contradicted on the sealing ring lateral wall, and the sealing block is close to cone valve one side and is contradicted on the stair platform, improves the sealed effect of cone valve and import department to improve the effect of closing of overflow valve.
Furthermore, a rubber ring is arranged below the sealing block, and one side, far away from the sealing block, of the rubber ring is located above the step platform.
Through adopting above-mentioned technical scheme, the rubber ring is located ladder bench side, is located the exit when the cone valve, and sealed piece is pegged graft downwards, and the rubber ring is contradicted at ladder bench top, and the rubber ring provides the elasticity space for the cooperation of cone valve and import, can make sealed effect better, carries out slight regulation when using the regulation pole simultaneously and makes, and the rubber pad can prevent that sealed piece from excessively cooperating with ladder bench, prevents that sealed piece from damaging.
Furthermore, be equipped with sealed the pad on the cone valve lateral wall, sealed the pad is contradicted on the chamfer.
Through adopting above-mentioned technical scheme, sealed the pad on the cone valve lateral wall closely cooperates with the import, improves sealed effect to make the effect of closing of overflow valve better.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the connecting rod connected between the piston rod and the cone valve, the timeliness of the movement of the cone valve driven by the piston rod can be improved, so that the cone valve can move more quickly, and the overflow valve can be opened and closed more quickly and has a better effect;
2. through the arrangement of the adjusting rod in threaded connection with the sleeve, the relative position of the adjusting rod and the sleeve can be finely adjusted, so that the effect of adjusting the matching tightness degree of the cone valve and the inlet is achieved;
3. through setting up the sealed pad on the awl valve lateral wall, can play the effect that improves sealed effect between awl valve and the import.
Drawings
Fig. 1 is a schematic structural diagram of an overall anchor rod drawing instrument with disassembly control in the embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment for embodying an relief valve;
FIG. 3 is an enlarged view at A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 2.
In the figure, 1, a manual pump; 2. a jack; 3. an overflow valve; 301. a valve body; 302. an inlet; 303. an outlet; 304. a piston; 305. adjusting a rod; 306. a sleeve; 307. a connecting rod; 308. a cone valve; 31. installing a sleeve; 32. a contact ring; 321. an annular handle; 322. a rubber pad; 33. an adjusting ring; 34. a seal ring; 35. a sealing block; 36. a rubber ring; 37. and a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides an appearance is drawn to stock that can unload control, as shown in figure 1, includes that manual pump 1, jack 2 be connected with manual pump 1, the overflow valve 3 of being connected with manual pump 1, is connected through the three-way pipe between manual pump 1, jack 2 and the overflow valve 3, and three-way pipe one end is connected on manual pump 1, one end is connected on jack 2, and the other end is connected on overflow valve 3.
As shown in fig. 2, the relief valve 3 includes a valve body 301, an inlet 302 formed at the bottom of the valve body 301, an outlet 303 formed on the sidewall of the valve body 301, a piston 304 movably connected in the valve body 301, an adjusting rod 305 connected to the top of the piston 304, a sleeve 306 screwed to an end of the adjusting rod 305 away from the rod of the piston 304, a connecting rod 307 connected below the piston 304, and a cone valve 308 connected below the connecting rod 307.
As shown in figures 1 and 2, the cone valve 308 is matched with the inlet 302 to close or open the overflow valve 3, when loading is required, the cone valve 308 is matched with the inlet 302 to close, and hydraulic oil directly enters the jack 2 from the manual pump 1 through a tee pipe.
As shown in fig. 1 and 2, when unloading is required, the cone valve 308 is opened in cooperation with the inlet 302, hydraulic oil can enter the overflow valve 3 from the three-way pipe, the overflow valve 3 can reduce the pressure in the three-way pipe and the jack 2, so that the jack 2 is unloaded, the outlet 303 of the overflow valve 3 is connected with the manual pump 1, and the hydraulic oil entering from the inlet 302 flows back into the manual pump 1 from the outlet 303.
As shown in fig. 2, the opening and closing of the cone valve 308 and the inlet 302 requires manual operation by a worker.
As shown in fig. 2 and 3, the top of the valve body 301 is fixedly provided with the mounting sleeve 31, the sleeve 306 is in threaded connection with the inside of the mounting sleeve 31, the direction of the external thread of the sleeve 306 matched with the mounting sleeve 31 is consistent with the direction of the internal thread of the sleeve 306 matched with the adjusting rod 305, the piston 304 is fixedly connected with the adjusting rod 305, the connecting rod 307 is fixedly connected with the piston 304, and the cone valve 308 is fixedly connected below the connecting rod 307.
As shown in fig. 2 and 3, a contact ring 32 is fixedly disposed on a side of an outer side wall of the sleeve 306 away from the piston 304, an annular handle 321 is disposed on an outer side wall of the contact ring 32, a rubber pad 322 is fixedly disposed on a side of the contact ring 32 close to the pump body, and the rubber pad 322 is located at the top of the pump body.
As shown in fig. 2 and 3, the annular handle 321 is held by a hand, the annular handle 321 is rotated to enable the sleeve 306 to be in threaded fit with the inner side wall of the mounting sleeve 31, so that the sleeve 306 moves downwards in the mounting sleeve 31 until the rubber pad 322 below the abutting ring 32 abuts against the side wall of the top of the mounting sleeve 31 at the top of the pump body, at this time, the cone valve 308 is located at the inlet 302, the inlet 302 is located at the position where the cone valve 308 is matched and provided with a chamfer, and the side wall of the cone valve 308 is in abutting fit with the side wall of the chamfer, so.
As shown in fig. 2 and 4, a sealing gasket 37 is further disposed on an outer side wall of the cone valve 308, and the sealing gasket 37 is in interference fit with the chamfered side wall, so that a sealing effect of the cone valve 308 in cooperation with the inlet 302 is improved.
As shown in fig. 4, a sealing ring 34 is arranged above the inlet 302 in the pump body, the sealing ring 34 and the top of the inlet 302 form a step table, a sealing block 35 is fixedly connected to the top of the cone valve 308, the bottom of the sealing block 35 abuts against the step table, a rubber ring 36 is fixedly arranged below the sealing block 35, and one side, far away from the sealing block 35, of the rubber ring 36 is located above the step table.
As shown in fig. 2, when the sleeve 306 is rotated to be in threaded engagement with the mounting sleeve 31, the adjusting rod 305 in the sleeve 306, the piston 304 fixedly connected to the adjusting rod 305, the connecting rod 307 fixedly connected to the lower portion of the piston 304, and the cone valve 308 fixedly connected to the lower portion of the connecting rod 307 are driven to move downward.
As shown in fig. 2 and 3, until the sealing gasket 37 on the side wall of the cone valve 308 abuts against the chamfered side wall, the rubber gasket 322 below the sealing block 35 abuts against the side wall of the top of the mounting sleeve 31.
As shown in fig. 2 and 4, the rubber pad 322 and the sealing pad 37 may be worn due to long-term use, so that the sealing performance of the cone valve 308 in the engagement with the inlet 302 is poor, and after long-term use, in order to improve the sealing effect, the adjustment rod 305 may be rotated again, so as to adjust the engagement gap between the cone valve 308 and the inlet 302.
As shown in fig. 2, an adjusting ring 33 is fixedly connected to one end of the adjusting rod 305, which is far away from the rod of the piston 304, and the direction of the internal thread and the external thread of the sleeve 306 are the same, so as to ensure that when the adjusting rod 305 is rotated, the sleeve 306 can be ensured to be in the position without moving along with the rotation of the adjusting rod 305 because the contact ring 32 on the sleeve 306 is in interference fit with the top of the mounting sleeve 31.
As shown in fig. 2, the adjusting ring 33 is held by hand, the adjusting rod 305 is rotated, so that the adjusting rod 305 is in threaded fit with the inner side wall of the sleeve 306 and moves downwards relative to the sleeve 306 and the mounting sleeve 31, thereby finely adjusting the position of the cone valve 308, ensuring that the matching effect of the cone valve 308 and the inlet 302 is better, and improving the sealing effect during loading.
As shown in fig. 1 and 2, when the cone valve 308 is engaged with the inlet 302 to close the relief valve 3, the piston 304 is located below the outlet 303 to improve the sealing effect in the relief valve 3, so that the loading effect of the jack 2 is better.
The specific implementation process comprises the following steps: when loading is needed, the sleeve 306 is rotated to be in threaded fit with the mounting sleeve 31 and moves downwards until the sleeve 306 drives the cone valve 308 to move downwards, the sealing gasket 37 on the side wall of the cone valve 308 abuts against the chamfered side wall at the inlet 302, meanwhile, the rubber gasket 322 below the sealing block 35 at the top of the cone valve 308 abuts against the side wall at the top of the mounting sleeve 31, at the moment, the inlet 302 is blocked, the manual pump 1 is operated, and hydraulic oil enters the jack 2 from the manual pump 1 through the three-way pipe;
when unloading is needed, the sleeve 306 is rotated to enable the sleeve 306 to be in threaded fit with the inner portion of the mounting sleeve 31, so that the sleeve 306 drives the cone valve 308 to move towards the direction away from the inlet 302, when the cone valve 308 is away from the inlet 302, the overflow valve 3 is opened, at the moment, hydraulic oil in the three-way pipe flows into the overflow valve 3, the pressure in the three-way pipe and the jack 2 is reduced, and unloading is completed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an appearance is drawn to stock that can unload control, includes hand pump (1), jack (2) be connected with hand pump (1), overflow valve (3) be connected with hand pump (1), its characterized in that: the overflow valve (3) comprises a valve body (301), an inlet (302) formed in the bottom of the valve body (301), an outlet (303) formed in the side wall of the valve body (301), a piston (304) movably connected in the valve body (301), an adjusting rod (305) connected to the top of the piston (304), a sleeve (306) which is connected to the adjusting rod (305) and is far away from one end of the rod of the piston (304), a connecting rod (307) connected below the piston (304) and a cone valve (308) connected below the connecting rod (307), wherein the outlet (303) is connected with the manual pump (1), a chamfer is formed in the position of the inlet (302), and the side wall of the cone valve (308) is in interference fit with the chamfer.
2. A rock bolt puller capable of unloading control as claimed in claim 1, wherein: the top of the valve body (301) is fixedly connected with a mounting sleeve (31), and the sleeve (306) is in threaded connection with the inside of the mounting sleeve (31).
3. A rock bolt puller capable of unloading control as claimed in claim 1, wherein: the outer side wall of the sleeve (306) is fixedly provided with a contact ring (32) far away from one side of the piston (304), and the outer side wall of the contact ring (32) is provided with an annular handle (321).
4. A rock bolt puller with unloading control as claimed in claim 3, wherein: one side of the contact ring (32) close to the pump body is provided with a rubber pad (322), and the rubber pad (322) is positioned at the top of the pump body.
5. A rock bolt puller capable of unloading control as claimed in claim 1, wherein: an adjusting ring (33) is fixedly connected to one end, far away from the piston (304), of the adjusting rod (305).
6. A rock bolt puller capable of unloading control as claimed in claim 1, wherein: be located import (302) top in the pump body and be equipped with sealing ring (34), sealing ring (34) and import (302) top form the stair platform, cone valve (308) top fixedly connected with seals piece (35), conflict on the stair platform bottom seals piece (35), conflict on sealing ring (34) inside wall seals piece (35) lateral wall.
7. A rock bolt puller with unloading control as claimed in claim 6, wherein: the rubber ring (36) is arranged below the sealing block (35), and one side, away from the sealing block (35), of the rubber ring (36) is located above the step platform.
8. A rock bolt puller capable of unloading control as claimed in claim 1, wherein: be equipped with sealed pad (37) on the cone valve (308) lateral wall, sealed pad (37) are contradicted on the chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751639.8U CN210953606U (en) | 2019-10-18 | 2019-10-18 | Anchor rod drawing instrument capable of carrying out unloading control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751639.8U CN210953606U (en) | 2019-10-18 | 2019-10-18 | Anchor rod drawing instrument capable of carrying out unloading control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953606U true CN210953606U (en) | 2020-07-07 |
Family
ID=71388891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921751639.8U Active CN210953606U (en) | 2019-10-18 | 2019-10-18 | Anchor rod drawing instrument capable of carrying out unloading control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953606U (en) |
-
2019
- 2019-10-18 CN CN201921751639.8U patent/CN210953606U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 1, Zone C, jinshanbei science and Technology Industrial Park, Wuxi City, Jiangsu Province Patentee after: Jiangsu Xinke Engineering Quality Inspection Co.,Ltd. Address before: 214000 1, Zone C, jinshanbei science and Technology Industrial Park, Wuxi City, Jiangsu Province Patentee before: Wuxi Xinke Engineering Quality Inspection Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |