CN211037086U - Static load test device - Google Patents
Static load test device Download PDFInfo
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- CN211037086U CN211037086U CN201921843775.XU CN201921843775U CN211037086U CN 211037086 U CN211037086 U CN 211037086U CN 201921843775 U CN201921843775 U CN 201921843775U CN 211037086 U CN211037086 U CN 211037086U
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- pile foundation
- disc
- slot
- pile
- sleeve
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Abstract
The utility model relates to a static test device, its supporting platform including locating ground and set up the jack between supporting platform and pile foundation, still establish the pile cap to the pile foundation upper end including being used for the cover, the pile cap includes butt in the disc of pile foundation upper end and with the coaxial setting of disc and overlap in the sleeve of pile foundation outer wall, the sleeve includes the semicircle ring that the bisymmetry set up, be provided with on the disc and supply the semicircle ring along the slot of radial displacement, two still be provided with the locating part of restriction radial displacement on the semicircle ring. The utility model discloses improve work efficiency when having the indestructible of guarantee pile foundation, shorten construction period's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique that the pile foundation detected and specifically relates to a static load test device is related to.
Background
At present, pile types such as concrete cast-in-place piles and the like are widely applied to foundation engineering in the fields of building engineering, bridge engineering, railway engineering, municipal engineering and the like. According to the national standard requirements, a certain proportion of engineering piles need to be extracted for carrying out a bearing capacity test so as to evaluate the bearing capacity of the test piles. The static load test has wide application because the test result is visual and reliable.
In the prior art, a supporting platform which is arranged on a pile foundation is arranged on the ground, a jack is vertically arranged between the supporting platform and the pile foundation, the jack works to give the pressure of downward movement of the pile foundation, and then parameters such as settlement of the pile foundation are displayed through a dial indicator.
The above prior art solutions have the following drawbacks: in a static load test, a pile head needs to bear a great load, a pile foundation is formed by pouring concrete steel bars, and when the pile head bears a large load, breakage can occur, so a steel bar net piece is generally added at the upper end of the pile foundation, and high-strength concrete is poured out of the pile head to perform a test.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a static load test device improves work efficiency when having the indestructible guarantee pile foundation, shortens construction period's effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a static test device, is including locating the supporting platform on ground and setting up the jack between supporting platform and pile foundation, still including being used for the cover to establish the pile cap to pile foundation upper end, the pile cap includes butt in the disc of pile foundation upper end and with the coaxial setting of disc and overlap the sleeve in the pile foundation outer wall, the sleeve includes the semicircle ring that the bisymmetry set up, be provided with on the disc and supply the semicircle ring along the slot of radial displacement, two still be provided with the locating part of restriction radial displacement on the semicircle ring.
By adopting the technical scheme, the supporting platform is utilized to provide the jack with a reaction force, so that when the jack works, the acting force for downward movement of the pile foundation is provided, and the parameters of pile foundation settlement and the like are detected;
in the process, the sleeve is connected with the disc to form a complete pile cap, the pile cap is sleeved at the upper end of the pile foundation to be detected, the upper end of the pile foundation is protected, the clamping force of the sleeve on the outer wall of the upper section of the pile foundation enables the pile foundation to be not easily damaged when a load is applied to the pile foundation by a jack, and meanwhile, the pile cap is manufactured in advance, so that cast-in-place concrete is not needed, a large amount of time can be saved, the detection efficiency is improved, and the whole construction period is effectively shortened;
because need sleeve inner wall and pile foundation outer wall butt, it is direct from last to pegging graft down, it is comparatively difficult, the event utilizes two halves rings to constitute the sleeve, and because the inserting groove of seting up on the disc, make its semicircle ring do radial displacement work relative to the disc, when needs cup joint the sleeve on the pile foundation, can be earlier outside two halves rings are in the pile foundation, push away the semicircle ring towards pile foundation one side again, and under the limiting displacement of locating part, the radial displacement work of restriction two halves rings, with sleeve and disc centre gripping firmly on the pile foundation, be convenient for the work of cup jointing of pile cap and pile foundation.
The utility model discloses further set up to: an arc-shaped block is fixed at the upper end of the semicircular ring, a butting block with the same radian as the arc-shaped block is vertically fixed on one side of the upper end of the arc-shaped block facing the outside of the disc, the radians of the slot and the arc-shaped block are the same and not more than 120 degrees, and the width of the slot is not less than the sum of the widths of the butting block and the arc-shaped block; the slot internal diameter is less than the pile foundation external diameter, the external diameter is greater than the pile foundation external diameter, just the width of butt joint piece is greater than the interval between pile foundation and the slot external diameter.
By adopting the technical scheme, the L type is formed by the arc-shaped block and the abutting block, the arc-shaped block can be inserted into the slot, the abutting block is positioned above the disc, the lower end of the abutting block can be abutted against the upper end of the disc, the sleeve is connected with the disc, and further, because the width of the abutting block is larger than the distance between the outer diameter of the pile foundation and the outer diameter of the slot, when the two half rings are fixed on the pile foundation by the limiting parts, the abutting block keeps the lower end to be abutted against the upper end of the disc, and the connection work of the pile cap and the pile foundation is realized.
The utility model discloses further set up to: the butt joint block outer wall is provided with a thread groove, and two butt joint block external screw thread connection has same thread bush.
Through adopting above-mentioned technical scheme, utilize thread bush and two butt joint piece outer wall screw-thread fit, make it play the clamping action to two butt joint pieces to can strengthen the spacing work to two semicircle rings, make spacing in the pile foundation that its sleeve can be more stable.
The utility model discloses further set up to: the butt joint block outer wall is seted up the thread groove, and two butt joint block external screw thread connection has same thread bush, the screw thread of thread bush inner wall is the slope setting of narrow width down.
Through adopting above-mentioned technical scheme, utilize the thread groove screw-thread fit of thread bush and two butt joint pieces, and then utilize the thread bush inner wall to be the slope setting, make its thread bush when butt joint piece screw-thread fit, give the butt piece and carry out the displacement inwards to exert and give the semicircle ring and support the clamp force tight on the pile foundation.
The utility model discloses further set up to: the outer wall of the threaded sleeve is also provided with a handle.
Through adopting above-mentioned technical scheme, the staff of being convenient for orders about the thread bush and rotates.
The utility model discloses further set up to: the locating part is including corresponding the connecting block that is fixed in two ring outer walls, wear to locate the bolt on corresponding two connecting blocks and with bolt complex nut.
By adopting the technical scheme, the connecting blocks fixed on the semi-circular rings can be used for the bolts to pass through, so that the two connecting blocks are clamped under the matching action of the nuts and the bolts, and the clamping work of the two semi-circular rings is realized.
The utility model discloses further set up to: the locating part is worn to locate the bolt and the nut with bolt complex on corresponding two connecting blocks including corresponding the connecting block that is fixed in two ring outer walls, the connecting block lower extreme has the semicircle ring lower extreme to flush.
By adopting the technical scheme, the connecting blocks fixed on the semi-circular rings can be used for the bolts to pass through, so that the two connecting blocks are clamped under the matching action of the nuts and the bolts, and the clamping work of the two semi-circular rings is realized; and then because the thread bush presss from both sides tightly the butt joint piece, so set up the connecting block in the semicircle ring lower extreme, make its tight point of clamp be the upper and lower both ends of semicircle ring, strengthen the tight limiting displacement of clamp to the semicircle ring.
The utility model discloses further set up to: four sides of the upper end of the supporting platform are respectively and vertically provided with a guardrail.
Through adopting above-mentioned technical scheme, because the gravity that need pile up to lay bricks and increase supporting platform on the supporting platform gives the jack and plays powerful counter-force work, so utilize the guardrail that sets up in four sides of supporting platform, can play the guard action to the laying bricks on the supporting platform, can reduce the risk that the laying bricks emptys.
To sum up, the utility model discloses a beneficial technological effect does:
the sleeve can be directly sleeved on the pile foundation, the disc is abutted against the upper end of the pile foundation, the upper end of the pile foundation is protected, when the jack has a downward movement driving force on the pile foundation, the upper end of the pile foundation can be prevented from being broken easily, and meanwhile, as the pile cap is in a sleeved mode, the pile head is formed without pouring concrete on site, the detection time can be effectively shortened, so that the whole construction period is shortened;
the two semi-circular rings are radially displaced along the discs to form a sleeve clamped on the pile foundation, so that the sleeve and the pile foundation can be conveniently sleeved.
Drawings
Fig. 1 is a schematic overall structure diagram of the first embodiment.
Fig. 2 is a schematic cross-sectional view of the helmet of fig. 1.
Fig. 3 is a schematic diagram of the exploded structure of the helmet of fig. 1.
In the figure, 1, a platform is supported; 2. a jack; 3. a guardrail; 4. pile caps; 41. a disc; 42. a semicircular ring; 5. a limiting member; 51. connecting blocks; 52. a bolt; 6. a slot; 7. an arc-shaped block; 8. a butting block; 9. a threaded sleeve; 10. a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: referring to fig. 1 and 2, for the utility model discloses a static load test device, including supporting platform 1 and jack 2, supporting platform 1 supports in subaerial and be in the pile foundation that needs to be detected directly over, and supporting platform 1 upper end is used for piling up the brick of laying bricks simultaneously, so at four sides of supporting platform 1 upper end vertical guardrail 3 that is fixed with respectively, plays the guard action to laying bricks. The top end of the pile foundation is also sleeved with a pile cap 4, the jack 2 is vertically fixed at the lower end of the supporting platform 1, and the telescopic rod is abutted against the upper end of the pile cap 4 and is coaxially arranged with the pile foundation; when the jack 2 moves, the displacement force for downward movement of the pile foundation is given, so that the parameters of the sedimentation and the like of the pile foundation are detected.
Referring to fig. 2 and 3, the pile cap 4 comprises a disc 41 and a sleeve, the sleeve comprises two symmetrically arranged semicircular rings 42, and when the two semicircular rings 42 are attached to form the sleeve, the inner diameter of the sleeve is equal to the outer diameter of a pile foundation; wherein, the upper end of the semicircular ring 42 is vertically fixed with an arc block 7, the height of the arc block 7 is equal to the thickness of the disc 41, and the radian of the arc block 7 is 120 degrees; the outer wall of the upper end of the arc block 7 is also vertically fixed with a butt block 8, and the radian of the butt block 8 is the same as that of the arc block 7. Two groups of slots 6 for inserting the arc-shaped blocks 7 are formed in the disc 41, the radian of each slot 6 is consistent with that of each arc-shaped block 7, and after the width of each slot 6 is equal to that of each abutting block 8 and each arc-shaped block 7, each arc-shaped block 7 can penetrate through each slot 6 to enable each abutting block 8 to be located at the upper end of the disc 41; simultaneously, the inner diameter of the slot 6 is smaller than the outer diameter of the pile foundation, the outer diameter is larger than the outer diameter of the pile foundation, and the width of the butt joint block 8 is larger than the distance between the outer diameter of the slot 6 and the outer diameter of the pile foundation. The semicircular rings 42 are further provided with limiting pieces 5 for limiting the two semicircular rings 42 to move along the radial direction of the pile foundation.
Thread groove has been seted up to the outer wall of above-mentioned two butt joint pieces 8, through a thread bush 9 from last to down with the thread groove screw-thread fit of two butt joint pieces 8, realize the tight work of clamp to two butt joint pieces 8, when thread bush 9 and two butt joint pieces 8 threaded connection, semicircle ring 42 inner wall supports tightly with the pile foundation outer wall, and butt piece 8 and 41 upper end butt of disc. Wherein, the outer wall of the thread bush 9 is evenly fixed with two groups of handles 10, which is convenient for rotating the thread bush 9.
Above-mentioned locating part 5 includes four groups of connecting blocks 51, and every group connecting block 51 welds respectively on the semicircle ring 42 outer wall and the lower extreme of connecting block 51 flushes with semicircle ring 42 lower extreme, and two liang of settings that correspond have seted up the through-hole on the connecting block 51, has worn a bolt 52 in per two connecting block 51's the through-hole, through nut and bolt 52 cooperation, realizes the tight work of clamp to semicircle ring 42 to the locking work of realization to semicircle ring 42.
The implementation principle of the embodiment is as follows: insert the arc piece 7 of semicircle ring 42 in slot 6 of disc 41 earlier, place disc 41 in the pile foundation upper end that needs to detect again, and then cup joint thread bush 9 under from on two butt joint pieces 8, and order about thread bush 9 and rotate, realize the clamp tight to two butt joint pieces 8, and then recycle the cooperation of bolt 52 and nut, realize the tight work of clamp to connecting block 51, press from both sides tight spacing on the pile foundation with two halves ring 42, again with jack 2 butt on disc 41, push up the work to the pile foundation.
Example 2: referring to fig. 2, the difference from embodiment 1 is that the thread on the inner wall of the threaded sleeve 9 is inclined with a narrow top and a wide bottom, and when the threaded sleeve 9 is rotated, the clamping force is gradually applied to the displacement of the abutting block 8 from outside to inside, so as to enhance the locking work of the half-and-half circular ring 42.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a static test device, is including locating supporting platform (1) on ground and set up jack (2) between supporting platform (1) and pile foundation, its characterized in that: still establish pile cap (4) to pile foundation upper end including being used for the cover, pile cap (4) include butt in disc (41) of pile foundation upper end and with disc (41) coaxial setting and overlap in the sleeve of pile foundation outer wall, the sleeve includes semicircle ring (42) that the bisymmetry set up, be provided with on disc (41) and supply semicircle ring (42) along slot (6) of radial displacement, two still be provided with locating part (5) of restriction radial displacement on semicircle ring (42).
2. A static test apparatus as claimed in claim 1, wherein: an arc-shaped block (7) is fixed at the upper end of the semicircular ring (42), a butt-joint block (8) with the same radian as the arc-shaped block (7) is vertically fixed at one side of the upper end of the arc-shaped block (7) facing the outside of the disc (41), the radians of the slot (6) and the arc-shaped block (7) are the same and not more than 120 degrees, and the width of the slot (6) is not less than the sum of the widths of the butt-joint block (8) and the arc-shaped block (7); the inner diameter of the slot (6) is smaller than the outer diameter of the pile foundation, the outer diameter of the slot is larger than the outer diameter of the pile foundation, and the width of the butt joint block (8) is larger than the distance between the pile foundation and the outer diameter of the slot (6).
3. A static test apparatus as claimed in claim 2, wherein: the outer wall of the butt joint block (8) is provided with a thread groove, and the outer threads of the butt joint block (8) are connected with the same thread sleeve (9).
4. A static test apparatus as claimed in claim 2, wherein: the outer wall of the butt joint block (8) is provided with a thread groove, the outer thread of the butt joint block (8) is connected with the same thread sleeve (9), and the threads on the inner wall of the thread sleeve (9) are arranged in an inclined mode with the upper portion being narrow and the lower portion being wide.
5. A static test apparatus according to claim 3 or 4, wherein: the outer wall of the threaded sleeve (9) is also provided with a handle (10).
6. A static test apparatus as claimed in claim 1, wherein: the limiting piece (5) comprises connecting blocks (51) correspondingly fixed on the outer walls of the two circular rings, bolts (52) penetrating through the two corresponding connecting blocks (51) and nuts matched with the bolts (52).
7. A static test apparatus according to claim 5, wherein: the limiting part (5) comprises connecting blocks (51) correspondingly fixed on the outer walls of the two circular rings, bolts (52) arranged on the two corresponding connecting blocks (51) in a penetrating mode and nuts matched with the bolts (52), and the lower ends of the connecting blocks (51) are flush with the lower ends of the semicircular rings (42).
8. A static test apparatus as claimed in claim 1, wherein: four side surfaces of the upper end of the supporting platform (1) are respectively and vertically provided with a guardrail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843775.XU CN211037086U (en) | 2019-10-28 | 2019-10-28 | Static load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843775.XU CN211037086U (en) | 2019-10-28 | 2019-10-28 | Static load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211037086U true CN211037086U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921843775.XU Active CN211037086U (en) | 2019-10-28 | 2019-10-28 | Static load test device |
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| Country | Link |
|---|---|
| CN (1) | CN211037086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960783A (en) * | 2022-06-08 | 2022-08-30 | 中建八局浙江建设有限公司 | Epoxy resin pile cap for pile head |
-
2019
- 2019-10-28 CN CN201921843775.XU patent/CN211037086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960783A (en) * | 2022-06-08 | 2022-08-30 | 中建八局浙江建设有限公司 | Epoxy resin pile cap for pile head |
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