CN219121927U

CN219121927U - Well lid testing machine convenient to detect residual deformation

Info

Publication number: CN219121927U
Application number: CN202320073527.1U
Authority: CN
Inventors: 傅亚波; 王炳玉; 李光辉
Original assignee: Hebei Sanyu Testing Machine Co ltd
Current assignee: Hebei Sanyu Testing Machine Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-02
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of manhole cover pressure detection equipment, in particular to a manhole cover testing machine convenient for detecting residual deformation; the compression-resistant platform is low in plane height, convenient to carry, convenient to operate, reliable in performance and low in cost, and the hidden deformation detection structure is adopted to detect the residual deformation of the well lid, so that the sensor is protected from collision; including resistance to compression platform, fixed mounting cross beam frame on the resistance to compression platform, fixed mounting is two-way hydro-cylinder and lift deformation detection mechanism on the cross beam frame, lift deformation detection mechanism is including measuring cover, mounting panel, electron ten thousand minutes table and lift drive assembly, and it is in mounting panel department to measure cover fixed mounting, and the mounting panel can be slided from top to bottom and install in resistance to compression platform bottom, and electron ten thousand minutes table is installed in the top of measuring the cover, and resistance to compression platform middle part is provided with the through-hole that allows electron ten thousand minutes table to pass through, and lift drive assembly provides power for the lift of mounting panel.

Description

Well lid testing machine convenient to detect residual deformation

Technical Field

The utility model relates to the technical field of manhole cover pressure detection equipment, in particular to a manhole cover testing machine convenient for detecting residual deformation.

Background

It is well known that the damage to the manhole cover occurs when the manhole cover is crushed, which results in reduced safety of the road and facilities. The bearing capacity of the manhole cover for municipal facilities is an important index, the index comprises test load and residual deformation, wherein the residual deformation represents the capacity of resisting deformation caused by external load, and the manhole cover has important significance for engineering application; the well lid that requires building engineering to use among the relevant well lid national standard such as GB/T23858-2009 "inspection well lid" needs to pass bearing capacity test, need carry out maximum bearing capacity and residual deformation test detection to the well lid, and the qualified well lid of detection just can put into use. The well lid testing machine convenient for detecting residual deformation is a detection device for the pressure deformation of the well lid; the utility model discloses a (bulletin) CN212989033U discloses a detection device is left to well lid warp, including press, fixing base, well lid, cushion, percentage table and table frame, be equipped with on the fixing base and correspond the mounting groove with the well lid profile, be equipped with in this mounting groove and run through the chamber, the well lid is located the mounting groove, the table frame includes central cantilever and symmetry setting up in the support arm at both ends, is provided with the through-hole that supplies the press drift to pass through on this central cantilever, the percentage table is fixed in central cantilever side, the support arm is fixed with well lid circumference edge, the cushion sets up between table frame and well lid, and is located the through-hole below. Because the circumferential edge of the well cover is the part with the minimum sinking amplitude but is also fixed with the part along with the whole sinking, the dial indicator on the dial indicator frame is also sunk along with the part, so that the sinking error is counteracted, only the sinking distance is measured, and the detection accuracy is improved; in use, the traditional well lid testing machine is mostly in a lower oil cylinder mode, the compression-resistant platform is higher, the well lid is generally heavy, the back and forth carrying is laborious, the sensor is easy to collide with in the well lid detection process, the detection precision of the sensor is affected, and certain use limitations exist.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the well lid testing machine which is low in plane height, convenient to carry, convenient to detect residual deformation of the well lid by adopting the hidden deformation detection structure, convenient to operate, reliable in performance and low in cost, and protects the sensor from collision.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a compression-resistant platform, a cross beam frame fixedly arranged on the compression-resistant platform, a bidirectional oil cylinder fixedly arranged on the cross beam frame and a lifting deformation detection mechanism, wherein the lifting deformation detection mechanism comprises a measurement sleeve, a mounting plate, an electronic universal meter and a lifting driving assembly; further, the central axis of the bidirectional oil cylinder coincides with the central axis of the through hole; the compression-resistant platform is provided with a chute matched with the mounting plate, and the mounting plate can be arranged in the chute in a vertical sliding way.

Preferably, the lifting driving assembly comprises a screw rod rotatably mounted on the compression-resistant platform, a synchronous belt and a rotating shaft rotatably mounted on the compression-resistant platform, the screw rod is in threaded transmission connection with the mounting plate, and the rotating shaft is in synchronous transmission connection with the screw rod through the synchronous belt; the lifting driving assembly can also adopt a ball screw, a synchronous belt and a rotating shaft, the ball screw is in transmission connection with the mounting plate, and the rotating shaft is in synchronous transmission connection with the ball screw through the synchronous belt; the lifting driving component can also adopt driving components with equivalent linear lifting driving effects, such as an electric cylinder or a linear driving motor.

Preferably, the rotating shaft extends out from the center of the deviation compression-resistant platform, and a hand wheel is fixedly arranged at the top of the rotating shaft.

Preferably, a load sensor is installed at the output end of the bidirectional oil cylinder, and an upper pressing plate is installed at the measuring end of the load sensor.

Preferably, the compression-resistant platform further comprises a base support, wherein the base support is fixedly arranged at the bottom of the compression-resistant platform; further, the base support is provided with a plurality of bolt through holes.

(III) beneficial effects

Compared with the prior art, the utility model provides the well lid testing machine convenient for detecting residual deformation, which has the following beneficial effects: this well lid testing machine convenient to detect residual deformation will be through placing in compressive platform department, lift drive assembly drives and measures the cover and shift up, electron ten thousand minutes table stretches out from the through-hole department and with the well lid contact, measure the initial zero degree of well lid, two-way cylinder output extension afterwards, apply decurrent pressure to the well lid middle part, well lid deformation, measure the deformation volume of well lid through electron ten thousand minutes table, this scheme adopts overhead two-way cylinder, compressive platform plane is lower, the transport is convenient, adopt hidden lift deformation detection mechanism to detect the residual deformation volume of detecting well lid, can hide deformation detection sensor in the platform lower part when carrying out other experiments, protection electron ten thousand minutes table does not receive the bump, and convenient operation, the dependable performance, the cost is lower.

Drawings

FIG. 1 is a schematic view of an isometric view of the present utility model;

FIG. 2 is a schematic view of the bottom perspective of the present utility model;

FIG. 3 is a schematic perspective view of a lifting deformation detecting mechanism according to the present utility model;

the reference numerals in the drawings: 1. a compression-resistant platform; 2. a cross beam frame; 3. a bidirectional oil cylinder; 4. a measuring sleeve; 5. a mounting plate; 6. an electronic ten-thousand-minute meter; 7. a through hole; 8. a screw rod; 9. a synchronous belt; 10. a rotating shaft; 11. a hand wheel; 12. a load sensor; 13. an upper press plate; 14. and a base support.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the well lid testing machine convenient for detecting residual deformation comprises a compression-resistant platform 1, a beam frame 2 fixedly installed on the compression-resistant platform 1, a bidirectional oil cylinder 3 fixedly installed on the beam frame 2 and a lifting deformation detection mechanism, wherein the lifting deformation detection mechanism comprises a measuring sleeve 4, a mounting plate 5, an electronic wann meter 6 and a lifting driving component, the measuring sleeve 4 is fixedly installed at the mounting plate 5, the mounting plate 5 is installed at the bottom of the compression-resistant platform 1 in a vertically sliding manner, the electronic wann meter 6 is installed at the top of the measuring sleeve 4, a through hole 7 allowing the electronic wann meter 6 to pass through is formed in the middle of the compression-resistant platform 1, and the lifting driving component provides power for lifting of the mounting plate 5; further, the central axis of the bidirectional oil cylinder 3 coincides with the central axis of the through hole 7; the compression-resistant platform 1 is provided with a chute matched with the mounting plate 5, and the mounting plate 5 can be arranged in the chute in a vertical sliding way.

Specifically, the lifting driving assembly comprises a screw rod 8 rotatably mounted on the compression-resistant platform 1, a synchronous belt 9 and a rotating shaft 10 rotatably mounted on the compression-resistant platform 1, the screw rod 8 is in threaded transmission connection with the mounting plate 5, and the rotating shaft 10 is in synchronous transmission connection with the screw rod 8 through the synchronous belt 9; the lifting driving assembly can also adopt a ball screw 8, a synchronous belt 9 and a rotating shaft 10, wherein the ball screw 8 is in transmission connection with the mounting plate 5, and the rotating shaft 10 is in synchronous transmission connection with the ball screw 8 through the synchronous belt 9; the lifting driving component can also adopt driving components with equivalent linear lifting driving effects such as an electric cylinder or a linear driving motor; through rotating pivot 10, after the synchronous belt 9 transmission, lead screw 8 rotates, and mounting panel 5 drives measuring sleeve 4 after the screw thread transmission and reciprocates to realize the lift drive to electron ten thousand minutes table 6, in carrying out the blanking in-process on the well lid, electron ten thousand minutes table 6 is hidden inside through-hole 7, reduces electron ten thousand minutes table 6 and is knocked with probability, guarantees electron ten thousand minutes table 6's measurement accuracy.

Specifically, the rotating shaft 10 extends from the center of the deviation compression-resistant platform 1, and a hand wheel 11 is fixedly arranged at the top of the rotating shaft 10; through rotating hand wheel 11, can make things convenient for laborsaving realization to the rotation drive of pivot 10 more, and pivot 10 installs in the eccentric department of compressive platform 1, can avoid pivot 10 to cause the interference to the measurement of well lid and place.

Specifically, the output end of the bidirectional oil cylinder 3 is provided with a load sensor 12, and the measuring end of the load sensor 12 is provided with an upper pressing plate 13; in the process that the bidirectional oil cylinder 3 applies pressure to the well cover, the upper pressing plate 13 is in contact with the well cover, the load sensor 12 detects the pressure and transmits detection signals to the external processor, the pressure of the bidirectional oil cylinder 3 is read, the data reading convenience is improved, further, the load sensor 12 and the electronic ten-thousand-component meter 6 are all conventional detection devices known in the market, the specific structure and principle of the detection devices are not repeated herein, the load sensor 12 and the electronic ten-thousand-component meter 6 are electrically connected with the external processor, and the deformation and the detection pressure are read and recorded through the external processor.

Specifically, the compression-resistant platform further comprises a base support 14, wherein the base support 14 is fixedly arranged at the bottom of the compression-resistant platform 1; further, a plurality of bolt through holes 7 are formed in the base support 14; the base support 14 provides a hidden space for lifting the mounting plate 5, and meanwhile, the base support 14 and the ground and other mounting positions can be fixedly connected through bolts so as to improve the overall mounting stability of the device.

When the well lid is used, the well lid is placed at the compression-resistant platform 1, the rotation stress is applied, the rotating shaft 10 rotates, the screw rod 8 rotates after being transmitted by the synchronous belt 9, the mounting plate 5 moves upwards after being transmitted by the screw thread, the electronic ten-thousand-minute meter 6 stretches out from the through hole 7 and contacts with the well lid, the initial zero degree of the well lid is measured and recorded through the electronic ten-minute meter 6, the bidirectional oil cylinder 3 is started, the output end of the bidirectional oil cylinder 3 stretches out, the upper pressing plate 13 moves downwards and contacts with the top of the well lid, the pressure born by the well lid is detected through the load sensor 12, the deformation of the well lid is detected through the electronic ten-minute meter 6, the deformation of the well lid under different pressures is recorded, the pressure and the well lid deformation relation diagram are drawn through the data, and whether the quality of the well lid is qualified is determined through the data.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The well lid testing machine is characterized by comprising a compression-resistant platform (1), a beam frame (2) fixedly arranged on the compression-resistant platform (1), a bidirectional oil cylinder (3) fixedly arranged on the beam frame (2) and a lifting deformation detection mechanism;

the lifting deformation detection mechanism comprises a measurement sleeve (4), a mounting plate (5), an electronic ten-thousand-minute meter (6) and a lifting driving assembly, wherein the measurement sleeve (4) is fixedly arranged at the mounting plate (5), the mounting plate (5) can be vertically and slidably arranged at the bottom of a compression-resistant platform (1), the electronic ten-thousand-minute meter (6) is arranged at the top of the measurement sleeve (4), a through hole (7) allowing the electronic ten-thousand-minute meter (6) to pass through is formed in the middle of the compression-resistant platform (1), and the lifting driving assembly provides power for lifting of the mounting plate (5).

2. The well lid testing machine convenient to detect residual deformation according to claim 1, wherein the lifting driving assembly comprises a screw rod (8) rotatably mounted on the compression-resistant platform (1), a synchronous belt (9) and a rotating shaft (10) rotatably mounted on the compression-resistant platform (1), the screw rod (8) is in threaded transmission connection with the mounting plate (5), and the rotating shaft (10) is in synchronous transmission connection with the screw rod (8) through the synchronous belt (9).

3. The well lid testing machine convenient for detecting residual deformation according to claim 2, wherein the rotating shaft (10) extends out from the center of the deviation compression-resistant platform (1), and a hand wheel (11) is fixedly arranged at the top of the rotating shaft (10).

4. The well lid testing machine convenient for detecting residual deformation according to claim 3, wherein a load sensor (12) is installed at the output end of the bidirectional oil cylinder (3), and an upper pressing plate (13) is installed at the measuring end of the load sensor (12).

5. The well lid testing machine convenient for detecting residual deformation according to claim 4, further comprising a base support (14), wherein the base support (14) is fixedly mounted at the bottom of the compression-resistant platform (1).