CN214061713U

CN214061713U - HPT high strain foundation pile dynamic testing instrument

Info

Publication number: CN214061713U
Application number: CN202021922430.6U
Authority: CN
Inventors: 陈建荣; 杨斌; 陈杰
Original assignee: Ningbo Construction Test Co ltd
Current assignee: Ningbo Construction Test Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-08-27
Anticipated expiration: 2030-09-05

Abstract

The utility model relates to a HPT high foundation pile dynamic surveying appearance that meets an emergency, it includes a HPT high foundation pile dynamic surveying appearance that meets an emergency, including detecting the box, it has the display screen to detect the box up end, and its characterized in that still includes transparent cover plate, it passes through hinge structure with transparent cover plate and connects to detect the box, hinge structure still is equipped with the torsional spring, torsional spring drive transparent cover plate makes transparent cover plate has always will the trend that the display screen lid closed. This application has the protection and detects the effect that the box display screen exposes and does not receive external shock to damage in the external world.

Description

HPT high strain foundation pile dynamic testing instrument

Technical Field

The application relates to the field of foundation pile detection, in particular to a dynamic measuring instrument for a HPT high-strain foundation pile.

Background

The HPT high strain foundation pile dynamic testing instrument is an instrument applied to foundation pile detection and comprises a detection box, a sensor and a detection hand hammer.

The HPT high-strain foundation pile dynamic measuring instrument comprises the use steps that a sensor is connected to a port of a detection box, and then the sensor is installed on the upper end plane of a foundation pile. The foundation pile is knocked by a detection hammer, gravitational waves are generated in the foundation pile and transmitted and rebounded inside the foundation pile, the sensor detects the rebounded gravitational waves and transmits data to the detection box, and the detection box displays the data to detection personnel through analysis. Under the actual operation condition, the display screen is always exposed to the outside.

In view of the above-mentioned related art, the inventor believes that there is a defect that the display screen of the detection box is exposed to the outside and is easily damaged by the impact of an external object.

SUMMERY OF THE UTILITY MODEL

In order to solve the display screen of detecting the box and expose the problem that takes place the damage in the external world because of receiving the impact of external object easily, this application provides a HPT high strain foundation pile dynamic testing appearance.

The application provides a HPT high strain foundation pile dynamic testing appearance adopts following technical scheme:

the dynamic measuring instrument for the HPT high-strain foundation pile comprises a detection box and a transparent cover plate, wherein a display screen is arranged on the upper end face of the detection box; the hinge structure comprises a hinge seat arranged on the detection box, a hinge part arranged on the transparent cover plate and a hinge shaft connected with the hinge seat and the hinge part; the hinge seat is provided with a first hinge hole for rotatably mounting the hinge shaft; the hinge part is provided with a second hinge hole for rotatably mounting the hinge shaft; the hinge structure is further provided with a torsion spring, and the torsion spring drives the transparent cover plate to enable the transparent cover plate to have the trend of always covering the display screen.

Through adopting above-mentioned technical scheme, be connected through hinge structure between transparent cover and the detection box for thereby transparent cover can cover and fit on the display screen of detecting the box and play the guard action to the display screen, and through setting up the torsional spring, make transparent cover when artificially turning over on the display screen is fitted all the time, improved the protecting effect.

Preferably, the torsional spring includes the spring body, first spring foot and second spring foot, the spring body wears to locate the articulated shaft, first spring foot is connected articulated on the seat, the second spring foot is connected articulated portion is last.

Through adopting above-mentioned technical scheme, the torsional spring can compress tightly transparent cover on detecting the box to the protection display screen does not receive the impact damage of external object.

Preferably, the transparent cover plate comprises a cover plate and a connecting plate; the cover plate is provided with a T-shaped clamping block; the hinged part is arranged on the connecting plate, and one end of the connecting plate, which is far away from the hinged part, is provided with a T-shaped sliding groove for the T-shaped clamping block to be installed in a sliding manner.

Through adopting above-mentioned technical scheme, after using the detection box for a long time, the apron is impaired easily, reduces the transparency degree, and above-mentioned connected mode can make things convenient for the dismantlement and the change of apron.

Preferably, a limiting block for limiting and abutting the T-shaped clamping block is arranged at one end of the T-shaped sliding groove of the connecting plate; and a notch for the T-shaped clamping block to slide into is formed at one end of the T-shaped sliding groove far away from the limiting block.

Through adopting above-mentioned technical scheme, when T shape fixture block and T shape spout slided the installation, T shape fixture block embedding notch, T shape fixture block slides in along T shape spout until T shape fixture block one end butt stopper for the position location in the T shape spout is arranged in to T shape fixture block.

Preferably, the T-shaped sliding groove is provided with a T-shaped plunger embedded in the T-shaped sliding groove at the notch.

Through adopting above-mentioned technical scheme, T shape plunger closes the notch of T shape spout completely, and T shape plunger has dustproof effect, and reduces the probability that T shape fixture block deviates from.

Preferably, the end face of the T-shaped fixture block is provided with a plunger hole, a ball spring plunger is arranged in the plunger hole, and the T-shaped sliding chute is provided with a clamping hole; when the cover plate is arranged on the connecting plate, the plunger ball of the ball spring plunger is clamped into the clamping hole.

Through adopting above-mentioned technical scheme, the location of T shape fixture block on T shape spout has been realized to the chucking in bulb spring plunger and joint hole, and makes T shape fixture block lock along the length direction of T shape spout, reduces the probability that T shape slider deviates from.

Preferably, the end face of the top of the detection box is provided with a cushion strip for the transparent cover plate to abut against on one side far away from the hinged seat.

Through adopting above-mentioned technical scheme, transparent cover plate overturns under the torsional spring and supports and lean on the cushion strip, has reduced transparent cover plate and has closed the in-process at the lid and to the impact of detecting the box, has reduced transparent cover plate and the impaired probability of detecting the box.

Preferably, the through holes are formed in two ends of the upper end face of the cushion strip, the end face of the detection box is correspondingly provided with buffer threaded holes, and the cushion strip is connected with the detection box through screws.

Through adopting above-mentioned technical scheme, the cushion strip passes through the screw connection on detecting the box, can not drop when making cushion strip and transparent cover impact contact.

Preferably, the cross section of the cushion strip is semicircular.

Through adopting above-mentioned technical scheme, transparent cover supports to lean on even atress on the cushion strip, improves the buffering effect of cushion strip.

Preferably, the side surface of the cushion strip is provided with a buffer through hole.

Through adopting above-mentioned technical scheme, the buffering effect of buffer spacer has been strengthened in setting up of buffering through-hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the transparent cover plate is connected with the detection box through the hinge structure, so that the transparent cover plate can be covered on the display screen of the detection box to protect the display screen, and the transparent cover plate is always covered on the display screen when being turned over by people by arranging the torsion spring, and the protection effect is improved.

2. The cover plate is connected with the connecting plate through the sliding of the T-shaped clamping block and the T-shaped sliding groove, the cover plate is convenient to detach and mount, and the cover plate is convenient to replace after the detection box is used for a long time.

3. Set up the cushion strip on the detection box, reduced transparent cover and closed the impact of in-process to the detection box at the lid, reduced transparent cover and the impaired probability of detection box.

Drawings

Fig. 1 is a schematic diagram of an HPT high-strain foundation pile dynamometer according to an embodiment of the present application.

Fig. 2 is an exploded view of an HPT high strain foundation pile kinematical gauge according to an embodiment of the present application.

Fig. 3 is a schematic view of the torsion spring structure shown in fig. 2.

Fig. 4 is a schematic view of the installation between the torsion spring and the first torsion spring groove.

Fig. 5 is a schematic view of the installation of the torsion spring between the second torsion spring grooves.

Fig. 6 is an exploded view of the transparent cover plate.

Fig. 7 is a schematic view showing a structure of a joint block portion shown in fig. 2.

FIG. 8 is a partial sectional view of the installation of the T-shaped latch and the T-shaped slot.

Description of reference numerals: 1. a detection cartridge; 11. a display screen; 12. detecting an interface; 13. a hinged seat; 131. a first hinge hole; 132. a torsion spring; 1321. a spring body; 1322. a first spring foot; 1323. a second spring foot; 133. a first torsion spring groove; 1331. a first spring body groove; 1332. a first spring leg slot; 14. a buffer threaded hole; 2. a transparent cover plate; 21. a hinge portion; 211. a second hinge hole; 212. a second torsion spring groove; 2121. a second spring body groove; 2122 a second spring leg slot; 22. hinging a shaft; 23. a cover plate; 231. a T-shaped fixture block; 232. a plunger hole; 2321. a ball spring plunger; 24. a connecting plate; 241. a T-shaped chute; 2411. a notch; 2413. a clamping hole; 2414. a limiting block; 242. a T-shaped plunger; 3. a cushion strip; 31. a through hole; 32. a buffer through hole; 4. and (4) screws.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 8.

The embodiment of the application discloses HPT high strain foundation pile dynamic testing appearance. Referring to fig. 1, an HPT high strain foundation pile dynamometer includes a test case 1 and a transparent cover plate 2.

The detecting box 1 is rectangular and has a display screen 11 on the top surface. The detection box 1 is provided with a detection interface 12 on the left side surface thereof for connecting with an external sensor.

The transparent cover plate 2 is a rectangular cover plate. Transparent cover 2 passes through hinge structure to be installed in the top of detecting box 1 for the lid closes display screen 11 in order to realize the protection to display screen 11. Wherein the rotation axis of the transparent cover 2 is parallel to the length direction of the cartridge 1.

Referring to fig. 2, the hinge structure includes a hinge base 13 provided at the top of the sensing box 1, two hinge portions 21 provided at the transparent cover 2 and spaced apart from each other, and a hinge shaft 22 connected to the hinge base 13 and the hinge portions 21. Wherein, the hinge base 13 is located between the two hinge portions 21 and two ends of the hinge base 13 are respectively in rotary contact with the two hinge portions 21.

The hinge base 13 has a first hinge hole 131 for rotatably mounting the hinge shaft 22; the hinge portion 21 has a second hinge hole 211 in which the hinge shaft 22 is rotatably installed. The hinge structure further includes a torsion spring 132. The torsion spring 132 drives the transparent cover 2 so that the transparent cover 2 has a tendency to cover the display screen 11.

Referring to fig. 2 and 3, the torsion spring 132 includes a spring body 1321, a first spring leg 1322, and a second spring leg 1323. The first spring leg 1322 and the second spring leg 1323 extend out of both ends of the spring body 1321, respectively, and have the same length. The spring body 1321 is disposed through the hinge shaft 22.

Referring to fig. 2 and 4, the hinge base 13 is provided at both side end surfaces thereof with first torsion spring grooves 133 into which the torsion springs 132 are inserted, the first torsion spring grooves 133 include first spring body grooves 1331 and first spring leg grooves 1332, the first spring body grooves 1331 have a circular cross-section and are coaxial with the first hinge holes 131, and the first spring leg grooves 1332 are strip-shaped through holes.

Referring to fig. 2 and 5, the two hinge portions 21 are each provided with a second torsion spring groove 212 into which the torsion spring 132 is inserted at an end surface facing the hinge base 13. The second torsion spring groove 212 includes a second spring body groove 2121 and a second spring foot groove 2122, the second spring body groove 2121 has a circular cross section and is coaxial with the second hinge hole 211, and the second spring foot groove 2122 is a strip through hole.

Referring to fig. 6 and 7, the transparent cover 2 includes a cover 23 and a connecting plate 24, the cover 23 has a T-shaped latch 231, the hinge portion 21 is disposed on the connecting plate 24, and an end of the connecting plate 24 away from the hinge portion 21 has a T-shaped sliding slot 241 for slidably mounting the T-shaped latch 231. The connecting plate 24 is provided with a stopper 2414 at one end of the T-shaped sliding groove 241 for the T-shaped fixture block 231 to be in limit contact with, and a notch 2411 for the T-shaped fixture block 231 to slide into is formed at one end of the T-shaped sliding groove 241 far away from the stopper 2414. The T-shaped slide groove 241 is provided with a T-shaped plunger 242 fitted into the T-shaped slide groove 241 at the notch 2411. When the T-shaped plunger 242 is inserted into the T-shaped sliding groove 241, the side end surface of the T-shaped plunger 242 abuts against the T-shaped latch 231, thereby reducing the probability of the T-shaped latch 231 coming off.

Referring to fig. 8, a plunger hole 232 is formed in the end surface of the T-shaped latch 231, a ball plunger 2321 is arranged in the plunger hole 232, the plunger hole 232 is located at two ends of the end surface of the T-shaped latch 231, the ball plunger includes a plunger housing 23211, a spring 23212 and a plunger ball 23213, and the T-shaped sliding groove 241 has a clamping hole 2413 corresponding to the ball plunger 2321. In the present embodiment, the T-shaped latch 231 is provided with two plunger holes 232 which are symmetrically distributed. When the cover plate 23 is mounted on the connecting plate 24, the plunger balls 23213 of the ball-spring plunger 2321 are snapped into the snap-in hole 2413.

Referring to fig. 2, the top surface of the detection box 1 is provided with a cushion strip 3 for the transparent cover plate 2 to abut against on the side away from the hinge base 13. The length of the cushion strip 3 is consistent with that of the top surface of the detection box.

Through holes 31 are formed in two ends of the upper end face of the cushion strip 3, the end face of the detection box 1 is correspondingly provided with a buffer threaded hole 14, and the cushion strip 3 is connected with the detection box 1 through screws 4. The section of the cushion strip 3 is semicircular, and the side surface of the cushion strip 3 is provided with a cushion through hole 32 with a semicircular section along the length direction of the cushion strip for enhancing the cushion effect of the cushion strip 3.

The implementation principle of the embodiment is as follows:

cover clear cover 2 on detecting box 1, thereby detection personnel with the hand with clear cover 2 turn-up operation detector, display screen 11 receives the effect of torsional spring 132 and has to covering 11 pivoted trends of display screen, will hand from clear cover 2 backs, clear cover 2 receives torsional spring 132 restoring force effect down to display screen 11 cover, clear cover 2 is used in the cushion strip 3, offset the impact force, thereby clear cover 2 stable cover plays the guard action to display screen 11 on display screen 11.

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 according to the equivalent change that structure, shape, principle of the utility model were done, all should contain in the utility model discloses a combine the figure below the scope of protection to right the utility model discloses do further detailed description.

Claims

1. The dynamic measuring instrument for the HPT high-strain foundation pile comprises a detection box (1), wherein a display screen (11) is arranged on the upper end surface of the detection box (1), and is characterized by further comprising a transparent cover plate (2), wherein the detection box (1) is connected with the transparent cover plate (2) through a hinge structure; the hinge structure comprises a hinge seat (13) arranged on the detection box (1), a hinge part (21) arranged on the transparent cover plate (2) and a hinge shaft (22) connected with the hinge seat (13) and the hinge part (21); the hinge seat (13) is provided with a first hinge hole (131) for rotatably mounting the hinge shaft (22); the hinge part (21) is provided with a second hinge hole (211) for rotatably mounting the hinge shaft (22); the hinge structure is further provided with a torsion spring (132), the torsion spring (132) drives the transparent cover plate (2) to enable the transparent cover plate (2) to have a trend of always covering the display screen (11).

2. The HPT high-strain foundation pile kinematical measuring instrument according to claim 1, wherein the torsion spring (132) comprises a spring body (1321), a first spring foot (1322) and a second spring foot (1323), the spring body (1321) is arranged through the hinge shaft (22), the first spring foot (1322) is connected to the hinge base (13), and the second spring foot (1323) is connected to the hinge portion (21).

3. An HPT high strain foundation pile kinematical instrument according to claim 2, characterized in that said transparent cover plate (2) comprises a cover plate (23) and a connection plate (24); the cover plate (23) is provided with a T-shaped fixture block (231); the hinge part (21) is arranged on the connecting plate (24), and one end of the connecting plate (24) far away from the hinge part (21) is provided with a T-shaped sliding groove (241) for the sliding installation of the T-shaped clamping block (231).

4. The HPT high-strain foundation pile dynamic testing instrument according to claim 3, wherein a limiting block (2414) for limiting and abutting the T-shaped clamping block (231) is arranged at one end of the T-shaped sliding groove (241) of the connecting plate (24); one end of the T-shaped sliding groove (241) far away from the limiting block (2414) is provided with a notch (2411) for the T-shaped clamping block (231) to slide in.

5. The HPT high-strain foundation pile dynamometer according to claim 4, wherein the T-shaped chute (241) is provided with a T-shaped plunger (242) embedded in the T-shaped chute (241) at a notch (2411).

6. The HPT high-strain foundation pile dynamic testing instrument according to claim 5, wherein a plunger hole (232) is formed in an end surface of the T-shaped fixture block (231), a ball spring plunger (2321) is arranged in the plunger hole (232), and the T-shaped sliding groove (241) is provided with a clamping hole (2413); when the cover plate (23) is installed on the connecting plate (24), the plunger ball (23213) of the ball spring plunger (2321) is clamped in the clamping hole (2413).

7. The HPT high-strain foundation pile dynamic measuring instrument according to claim 6, characterized in that the top end face of the detection box (1) is provided with a cushion strip (3) for the transparent cover plate (2) to abut against at one side far away from the hinged seat (13).

8. The HPT high-strain foundation pile dynamic testing instrument according to claim 7, characterized in that through holes (31) are formed in two ends of the upper end face of the cushion strip (3), buffer threaded holes (14) are correspondingly formed in the end face of the detection box (1), and the cushion strip (3) is connected with the detection box (1) through screws (4).

9. The HPT high-strain foundation pile dynamometer according to claim 8, wherein the cross-section of the bumper strip (3) is semicircular.

10. The HPT high-strain foundation pile dynamic testing instrument according to claim 9, wherein the side surface of the cushion strip (3) is provided with a cushion through hole (32).