CN216717321U - Displacement measuring probe for self-balancing pile measuring method - Google Patents
Displacement measuring probe for self-balancing pile measuring method Download PDFInfo
- Publication number
- CN216717321U CN216717321U CN202220258036.XU CN202220258036U CN216717321U CN 216717321 U CN216717321 U CN 216717321U CN 202220258036 U CN202220258036 U CN 202220258036U CN 216717321 U CN216717321 U CN 216717321U
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- sliding sleeve
- cavity
- self
- displacement
- hinged
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 42
- 239000000523 sample Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 239000002689 soil Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007405 data analysis Methods 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
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a displacement measuring probe for a self-balancing pile measuring method, which comprises a cavity, wherein the cavity is fixedly connected with a top plate through a bolt, the bottom end of the top plate is fixedly connected with a fixed rod through a bolt, the fixed rod penetrates through the bottom of the cavity and is connected with a heavy hammer cone, a top pressure ring, a sliding sleeve and a reset spring are arranged on the fixed rod, three clamping claws are hinged on the top pressure ring in an annular array around the fixed rod, the tops of the three clamping claws are hinged with the bottom of the sliding sleeve, the sliding sleeve is clamped at the bottom of the cavity through a necking end arranged in the middle of the sliding sleeve, the top of the sliding sleeve is in abutting contact with the reset spring, an annular table is arranged at the top of the sliding sleeve, and three magnets are arranged on the edge of the top of the annular table in an annular array. The device and the method can ensure that the sliding sleeve and the reset spring do not deflect in the operation process of the clamping claw, so that the displacement measurement is more accurate; moreover, the cavity is matched with the upper top plate, so that soil can be prevented from entering the cavity, and the influence of clamping of the reset spring on the clamping claw can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of self-balancing method measurement, in particular to a displacement measuring probe for a self-balancing pile measuring method.
Background
The self-balancing pile measuring method is a static load test, and the test method and the test principle are as follows: the load box is installed at the designated position of the pile body, then the load box and the reinforcement cage are welded into a whole and then are placed into the pile hole, and the pressurization pipe and the displacement pipe on the load box are led out of the ground and then poured into the pile. A jack is arranged in the load box, the load box is pressurized through an oil pump during testing, loading in the vertical direction is respectively applied to the upper section of pile and the lower section of pile, the top plate and the bottom plate of the load box can displace after loading, at the moment, a displacement measuring probe is lowered to the top plate and the bottom plate of the load box through a displacement pipe, the displacement measuring probe is opened and fixed, the displacement of the upper section of pile and the lower section of pile can be obtained according to the change of the position of the displacement measuring probe, meanwhile, the pressure of the load box can be measured through an oil pump pressure gauge, and therefore the respective Q-S curves and the corresponding S-lgt curves of the upper section of pile and the lower section of pile can be obtained. By adopting a reasonable data analysis method, the ultimate bearing capacity of the foundation pile, the side friction resistance, the end resistance and the like of the pile can be determined.
The self-balancing pile measuring method is characterized in that a displacement measuring probe connected with a lead is placed on the top plate and the bottom plate of the load box to measure the displacement of the top plate and the bottom plate of the load box, and the probe plays a role of clamping and stabilizing the top plate and the bottom plate of the load box; however, in the field test process, the jaw of the traditional displacement measuring probe is directly connected with the spring, and the space of the jaw of the probe is narrow, so that the joint of the jaw and the spring and the contraction part of the jaw are often blocked by silt and are easily stuck in a load box and cannot be pulled out, so that the probe is scrapped or displacement data cannot be collected; moreover, when the clamping jaws of the device are matched with the return spring, deflection is easy to generate, and the accuracy of displacement measurement of the probe is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a displacement measuring probe for a self-balancing pile measuring method, which can avoid the clamping of a return spring and the deflection generated when a clamping jaw is matched with the return spring, so that the displacement measurement is more accurate.
In order to solve the technical problem, the scheme of the utility model is as follows:
a displacement measuring probe for a self-balancing pile measuring method comprises a cavity, wherein the cavity is fixedly connected with a top plate through a bolt, the bottom end of the top plate is fixedly connected with a fixed rod through a bolt, the fixed rod penetrates through the bottom of the cavity and is connected with a heavy hammer cone, the fixed rod is provided with a top compression ring, a sliding sleeve and a return spring, the top compression ring is provided with three clamping claws in an annular array and hinged around the fixed rod, the tops of the three clamping claws are hinged with the bottom of the sliding sleeve, the sliding sleeve is clamped at the bottom of the cavity through a necking end arranged in the middle, the top of the sliding sleeve is in abutting contact with the reset spring, the top of the sliding sleeve is provided with an annular table, annular bench top border is annular array and is provided with three magnet, three the correspondence of magnet top is provided with three electro-magnets, three the electro-magnet is fixed to be set up the downside of roof.
The top plate top is provided with rings, rings are connected with wires communicated with the electromagnets, the wires are kept away from one ends of the rings and are connected with the counterweight hammer by bypassing the fixed pulleys, the fixed pulleys are fixed on the support, and the fixed pulleys are provided with displacement sensors.
The top of the sliding sleeve is also integrally provided with an anti-drop ring which is convenient for the bottom end of the reset spring to be clamped.
The clamping claw comprises a sliding rod and a supporting rod which are hinged with each other, anti-skidding teeth are arranged on the lower side edge of the supporting rod, the top end of the sliding rod is hinged with the bottom of the sliding sleeve, and the bottom end of the supporting rod is hinged with the jacking ring.
The slide bar is kept away from slip cover one end is equipped with the extension.
Still include the load box, the load box includes upper plate and hypoplastron.
And a displacement measuring scale is arranged on the load box.
Compared with the prior art, the utility model has the beneficial effects that:
in the application, the top pressing ring is hinged with three clamping claws around the fixed rod in an annular array, the tops of the three clamping claws are hinged with the bottom of the sliding sleeve, the sliding sleeve is clamped at the bottom of the cavity through a necking end arranged in the middle, and the top of the sliding sleeve is in abutting contact with the reset spring; the sliding sleeve and the reset spring can be ensured not to deflect in the operation process of the clamping claw, so that the displacement measurement is more accurate; moreover, the cavity is matched with the upper top plate, so that soil can be prevented from entering the cavity, and the influence of clamping of the reset spring on the clamping claw can be effectively avoided; thereby be convenient for the card grab strut and closed operation, the displacement measurement probe's of this application use of being convenient for ensures data measurement's accuracy nature.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of the present invention in an operational state;
FIG. 3 is a schematic structural view of the sliding sleeve of the present invention;
fig. 4 is a sectional view of the sliding sleeve of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-4, a displacement measuring probe for a self-balancing pile measuring method comprises a cavity 1, wherein the cavity 1 is fixedly connected with a top plate 2 through a bolt, the bottom end of the top plate 2 is fixedly connected with a fixing rod 3 through a bolt, the fixing rod 3 penetrates through the bottom of the cavity 1 and is connected with a heavy hammer cone 4, the fixing rod 3 is provided with a top pressing ring 5, a sliding sleeve 6 and a reset spring 7, the top pressing ring 5 is hinged with three grippers 8 around the fixing rod 3 in an annular array, the tops of the three grippers 8 are hinged with the bottom of the sliding sleeve 6, the sliding sleeve 6 is clamped at the bottom of the cavity 1 through a necking end arranged in the middle, the top of the sliding sleeve 6 is in abutting contact with the reset spring 7, the top of the sliding sleeve 6 is provided with an annular table 9, and the edge of the top of the annular table 9 is provided with three magnets 10 in an annular array, three 10 tops of magnet correspond and are provided with three electro-magnets 11, three electro-magnets 11 are fixed to be set up the downside of roof 2.
The top of the top plate 2 is provided with a lifting ring 12, the lifting ring 12 is connected with a wire 13 communicated with the electromagnet 11, one end of the wire 13, far away from the lifting ring 12, is connected with a counterweight hammer 15 by bypassing a fixed pulley 14, the fixed pulley 14 is fixed on a support 16, and a displacement sensor is configured on the fixed pulley 14. The hanging ring 12 is mainly convenient to hang; the counterweight hammer 15 is mainly convenient for displacement; the displacement sensor is mainly convenient for monitoring the displacement generated by the displacement probe.
The top of the sliding sleeve 6 is also integrally provided with an anti-drop ring 17 which is convenient for the bottom end of the return spring 7 to be clamped. This setting is mainly convenient for reset spring 7 cover to establish on anticreep ring 17, avoids reset spring 7 to drop and influences the sliding sleeve 6 effect that resets.
The clamping claw 8 comprises a sliding rod 18 and a supporting rod 19 which are hinged to each other, anti-skidding teeth 20 are arranged on the lower side edge of the supporting rod 19, the top end of the sliding rod 18 is hinged to the bottom of the sliding sleeve 6, and the bottom end of the supporting rod 19 is hinged to the top pressing ring 5. The arrangement of the sliding rod 18 and the stay bar 19 is mainly convenient for matching with the fixed rod 3 to form a triangular structure, thereby being convenient for supporting; the anti-slip teeth 20 are mainly arranged to facilitate the clamping of 8 claws.
The end of the slide bar 18 away from the slide sleeve 6 is provided with an extension section 21. The extension 21 facilitates additional support when necessary.
Also included is a load box 22, the load box 22 including an upper plate 23 and a lower plate 24.
The load box 22 is provided with a displacement measuring scale 25. This arrangement is mainly convenient for measuring the amount of displacement.
In the application, the top compression ring 5 is hinged with three clamping claws 8 around the fixed rod 3 in an annular array, the tops of the three clamping claws 8 are hinged with the bottom of the sliding sleeve 6, the sliding sleeve 6 is clamped at the bottom of the cavity 1 through a necking end arranged in the middle, and the top of the sliding sleeve 6 is in top pressure contact with the reset spring 7; the sliding sleeve 6 and the reset spring 7 can be ensured not to deflect in the operation process of the clamping jaw 8, so that the displacement measurement is more accurate; moreover, the cavity 1 is matched with the upper top plate 2, so that soil can be prevented from entering the cavity 1, and the influence of the clamping of the return spring 7 on the clamping claw 8 can be effectively avoided; thereby 8 struts and closed operation are grabbed to the card of being convenient for, and the displacement measurement probe's of this application use of being convenient for ensures data measurement's accuracy nature.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (7)
1. The utility model provides a displacement measurement probe for self-balancing survey stake method which characterized in that: the magnetic force-bearing type sliding sleeve comprises a cavity (1), wherein the cavity (1) is fixedly connected with a top plate (2) through a bolt, the bottom end of the top plate (2) is fixedly connected with a fixed rod (3) through a bolt, the fixed rod (3) penetrates through the bottom of the cavity (1) and is connected with a heavy hammer cone (4), a top pressing ring (5), a sliding sleeve (6) and a reset spring (7) are arranged on the fixed rod (3), the top pressing ring (5) is in an annular array and is hinged with three clamping claws (8) around the fixed rod (3), the tops of the three clamping claws (8) are hinged with the bottom of the sliding sleeve (6), the sliding sleeve (6) is clamped at the bottom of the cavity (1) through a necking end arranged in the middle, the top of the sliding sleeve (6) is in jacking contact with the reset spring (7), an annular table (9) is arranged at the top of the sliding sleeve (6), and three magnets (10) are arranged along the annular array at the top of the annular table (9), three corresponding three electromagnets (11) that are provided with, three above magnet (10) electromagnet (11) are fixed to be set up the downside of roof (2).
2. The displacement measuring probe for the self-balancing pile measuring method according to claim 1, wherein: roof (2) top is provided with rings (12), rings (12) are last be connected with wire (13) of electro-magnet (11) intercommunication, wire (13) are kept away from rings (12) one end is walked around fixed pulley (14) and is connected with counter weight hammer (15), fixed pulley (14) are fixed on support (16), just dispose displacement sensor on fixed pulley (14).
3. The displacement measuring probe for the self-balancing pile measuring method according to claim 1, wherein: the top of the sliding sleeve (6) is also integrally provided with an anti-drop ring (17) which is convenient for the bottom end of the reset spring (7) to be clamped.
4. The displacement measuring probe for the self-balancing pile measuring method according to claim 1, wherein: the clamping claw (8) comprises a sliding rod (18) and a supporting rod (19) which are hinged to each other, anti-skidding teeth (20) are arranged on the lower side edge of the supporting rod (19), the top end of the sliding rod (18) is hinged to the bottom of the sliding sleeve (6), and the bottom end of the supporting rod (19) is hinged to the top pressing ring (5).
5. The displacement measuring probe for the self-balancing pile measuring method according to claim 4, wherein: one end of the sliding rod (18) far away from the sliding sleeve (6) is provided with an extension section (21).
6. The displacement measuring probe for the self-balancing pile measuring method according to claim 1, wherein: the load box (22) is further included, and the load box (22) comprises an upper plate (23) and a lower plate (24).
7. The displacement measuring probe for the self-balancing pile measuring method according to claim 6, wherein: and a displacement measuring scale (25) is arranged on the load box (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258036.XU CN216717321U (en) | 2022-02-08 | 2022-02-08 | Displacement measuring probe for self-balancing pile measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258036.XU CN216717321U (en) | 2022-02-08 | 2022-02-08 | Displacement measuring probe for self-balancing pile measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216717321U true CN216717321U (en) | 2022-06-10 |
Family
ID=81872685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220258036.XU Expired - Fee Related CN216717321U (en) | 2022-02-08 | 2022-02-08 | Displacement measuring probe for self-balancing pile measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216717321U (en) |
-
2022
- 2022-02-08 CN CN202220258036.XU patent/CN216717321U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |