CN211452267U

CN211452267U - Steel strand internal shrinkage measuring structure for static load anchoring tester

Info

Publication number: CN211452267U
Application number: CN201922354242.1U
Authority: CN
Inventors: 鲍康生
Original assignee: Suzhou Jinfan Construction Engineering Testing Co ltd
Current assignee: Suzhou Jinfan Construction Engineering Testing Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-08
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a steel strand wires internal contraction measuring structure for static load anchor test machine, includes anchor dish, positioning measurement subassembly and trails measuring component, the last lower extreme of anchor dish corresponds and is provided with anchor beam plate and protection bedplate, the last through connection of anchor beam plate has steel strand wires, positioning measurement subassembly and trails measuring component and all set up on the steel strand wires, positioning measurement subassembly's inside includes spring assembly to and set up the guide bar in spring assembly one side, spring assembly cup joints the outside at the steel strand wires, correspond on spring assembly's the top and the lateral wall and install roof and second displacement sensor, the inside central point of roof puts the spacing chamber of running through from top to bottom of offering, the steel strand wires run through on the roof through the mode in spacing chamber. The utility model discloses a set up a series of structures and make this device have the characteristics of measuring accurately, the security is good to can in time spread measured information, the staff of being convenient for observes.

Description

Steel strand internal shrinkage measuring structure for static load anchoring tester

Technical Field

The utility model belongs to the technical field of the static load anchor testing machine, a shrinkage measuring structure in steel strand wires for static load anchor testing machine is related to.

Background

The static load anchoring tester is mainly used for testing the mechanical property of a steel strand anchorage device, mainly comprises a tester body and a sand wall vehicle body for protecting the tester body, the steel strand anchorage device is arranged in the tester body, and the steel strand anchorage device is broken under the action of the tester, so that the mechanical property of the steel strand anchorage device is tested, when the anchoring tester tests materials such as an anchor ring and a clamping piece, the retraction of the steel strand needs to be measured, for the anchoring tester, a simple and crude method for measuring the retraction of the steel strand and the clamping piece is provided, after the test, the retraction of the steel strand and the clamping piece is equal to the stroke of subtracting the displacement measured by a piston from the actual length in the stretching of the steel strand, at present, the method has the problems of low safety and low measurement precision, wastes manpower and material resources, the manual operation is needed during the measurement, the steel strand and the anchorage device have the possibility of breaking, and the device cannot automatically complete the measurement work, and the measurement information can not be transmitted out in time, the use of construction is influenced, and the limitation is large, so that the prior art needs to be improved to solve the problems.

Disclosure of Invention

Technical problem to be solved

An object of the utility model is to provide a shrinkage measuring structure in steel strand wires for static load anchor testing machine to solve the problem that provides among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a steel strand retraction measuring structure for a static load anchoring test machine comprises an anchor disc, a positioning measuring assembly and a tracking measuring assembly, wherein an anchor beam plate and a protective base plate are correspondingly arranged at the upper end and the lower end of the anchor disc, a steel strand penetrates through the anchor beam plate, the positioning measuring assembly and the tracking measuring assembly are both arranged on the steel strand, the positioning measuring assembly comprises a spring assembly and a guide rod arranged on one side of the spring assembly, the spring assembly is sleeved outside the steel strand, a top plate and a second displacement sensor are correspondingly arranged at the top end and the side wall of the spring assembly, a limiting cavity penetrating up and down is formed in the central position of the inside of the top plate, the steel strand penetrates through the top plate in a limiting cavity mode, a hydraulic cylinder is arranged inside the tracking measuring assembly, and a telescopic rod is arranged on a piston shaft at the top of the hydraulic cylinder, the hydraulic cylinder is fixed on the upper surface of the anchor beam plate, the top of the telescopic rod is connected with a driving plate, the steel strand is fixedly connected with the driving plate, and a first displacement sensor is installed at the lower end of the driving plate.

Preferably, the lower end of the spring assembly is connected with a base, and the base is fixed on the upper surface of the anchor beam plate.

Preferably, the top plate is provided with a guide hole which penetrates through the top plate from top to bottom, the lower end of the guide rod is welded on the anchor beam plate, and the top of the guide rod extends to the upper side of the top plate in a guide hole mode.

Preferably, an electronic box is installed on the outer wall of the anchor disc, and a processor module and a remote transmission module are correspondingly fixed in the electronic box from left to right.

Preferably, the output end of the first displacement sensor and the output end of the second displacement sensor are electrically connected with the input end of the processor module, and the output end of the processor module is electrically connected with the input end of the remote transmission module.

Preferably, the protection seat plate and the anchor beam plate are fixed on the anchor disc in a welding mode.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the steel strand retraction measuring structure for the static load anchoring test machine has the characteristics of accurate measurement and good safety, can transmit measurement information in time and is convenient for workers to observe, the device does not need manual measurement, reduces the use of labor cost, avoids potential safety hazards, has good use effect, is high in precision and avoids reading errors through electric signal measurement, meanwhile, a remote transmission assembly is installed on the data measurement technology, can transmit data in time and is convenient for the workers to check at any time, so that the problems that the equipment is low in measurement precision, poor in safety and incapable of remotely transmitting data are solved, by arranging a positioning measurement assembly and a tracking measurement assembly, the tracking measurement assembly simulates a piston rod to drive a steel strand, a telescopic rod moves to straighten the steel strand, and the actual length of the steel strand minus the displacement of the piston rod is the actual retraction of the steel strand in an anchorage assembly, for known prior art, the utility model discloses installed displacement sensor on the basis of prior art, the measurement element is installed on the steel strand wires in the while location, calculates the internal shrinkage volume of tapping stranded conductor through two displacement volume accuracies promptly, obtains upgrading in original technique, can be through the mode of teletransmission module with data teletransmission after calculating, and the staff of being convenient for in time observes, improves work efficiency.

Drawings

FIG. 1 is an overall front view of the present invention;

fig. 2 is a schematic structural diagram of the tracking measurement module according to the present invention;

fig. 3 is a schematic structural diagram of a middle positioning measurement assembly according to the present invention;

fig. 4 is a schematic diagram of the internal structure of the electronic box of the present invention;

fig. 5 is a schematic block diagram of the present invention.

The reference numbers in the figures are: 1. an anchor disc; 2. an electronic box; 3. a protective seat plate; 4. an anchor beam plate; 5. positioning a measurement assembly; 6. steel strand wires; 7. a tracking measurement component; 8. a hydraulic cylinder; 9. a telescopic rod; 10. a drive plate; 11. a first displacement sensor; 12. a base; 13. a second displacement sensor; 14. a spring assembly; 15. a top plate; 16. a limiting cavity; 17. a guide bar; 18. a guide hole; 19. a processor module; 20. and a remote transmission module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a steel strand retraction measuring structure for a static load anchoring test machine comprises an anchor disc 1, a positioning measuring component 5 and a tracking measuring component 7, wherein the upper end and the lower end of the anchor disc 1 are correspondingly provided with an anchor beam plate 4 and a protective seat plate 3, the anchor beam plate 4 is connected with a steel strand 6 in a penetrating manner, the positioning measuring component 5 and the tracking measuring component 7 are both arranged on the steel strand 6, the positioning measuring component 5 comprises a spring component 14 and a guide rod 17 arranged on one side of the spring component 14, the spring component 14 is sleeved outside the steel strand 6 to play a limiting role and can move 6 to stretch along with the steel strand, the top end and the side wall of the spring component 14 are correspondingly provided with a top plate 15 and a second displacement sensor 13, the central position inside the top plate 15 is provided with a limiting cavity 16 penetrating up and down, the steel strand 6 penetrates through the top plate 15 in a limiting cavity 16 manner, the guide rod 17 can limit the top plate 15 when in work, trail measuring subassembly 7's inside and include pneumatic cylinder 8, and install telescopic link 9 at 8 top piston shafts of pneumatic cylinder, pneumatic cylinder 8 is fixed at the upper surface of anchor beam board 4, the top of telescopic link 9 is connected with drive plate 10, steel strand wires 6 and drive plate 10 fixed connection, first displacement sensor 11 is installed to the lower extreme of drive plate 10, first displacement sensor 11 and second displacement sensor 13 are grating displacement sensor, and have flexible head, during operation telescopic link 9 removes, and then the mode through drive plate 10 drives steel strand wires 6 and removes, it is straight to stretch it.

Further, a base 12 is connected to the lower end of the spring assembly 14, and the base 12 is fixed to the upper surface of the anchor beam plate 4 for fixing the spring assembly 14, so as to be installed on the anchor beam plate 4.

Furthermore, a guide hole 18 penetrating up and down is formed in the top plate 15, the lower end of the guide rod 17 is welded to the anchor beam plate 4, and the top of the guide rod 17 extends to the upper side of the top plate 15 in a guide hole 18 mode, so that the top plate 15 is limited in a guide rod 17 mode, and displacement deviation during lifting is prevented.

Further, the outer wall of the anchor disc 1 is provided with the electronic box 2, the left and right sides of the inside of the electronic box 2 are correspondingly fixed with the processor module 19 and the remote transmission module 20, the model of the processor module 19 is FX-8350, the model of the remote transmission module 20 is YS-53, and the electronic box and the remote transmission module are all known in the prior art.

Further, the output end of the first displacement sensor 11 and the output end of the second displacement sensor 13 are electrically connected with the input end of the processor module 19, and the output end of the processor module 19 is electrically connected with the input end of the remote transmission module 20 for circuit connection control.

Furthermore, the protection seat plate 3 and the anchor beam plate 4 are fixed on the anchor disc 1 in a welding mode, and the connection stability is good.

The working principle is as follows: when the device is used, the hydraulic cylinder 8 in the tracking measurement component 7 is driven, the telescopic rod 9 extends, the steel strand 6 is driven to move upwards in a driving plate 10 mode, the steel strand 6 is stretched until the steel strand is stretched to be straight, a clamping piece at the lower end of the steel strand 6 is fixed on the anchor disc 1, the retraction amount of the steel strand 6 is obtained by subtracting the displacement stroke of the hydraulic cylinder 8 from the stretched actual length of the steel strand 6, the mode is the known prior art and is not repeated, the first displacement sensor 11 in the device is installed at the lower end of the driving plate 10, the first displacement sensor 11 can measure the stretched actual height of the steel strand 6 at the moment, the spring component 14 of the positioning measurement component 5 is sleeved at the bottom of the steel strand 6, the spring component 14 is stretched, the second displacement sensor 13 can be used for measuring and calculating the displacement distance of the hydraulic cylinder 8, the retraction amount of the steel strand 6 is measured in a, the first displacement sensor 11 and the second displacement sensor 13 transmit real-time data to the processor module 19, the processor module 19 further transmits the data to the remote transmission module 20, and a worker can check the data in front of the display screen at the first time, so that the device is simple and convenient.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shrinkage measuring structure in steel strand wires for static load anchor test machine, includes anchor disc (1), positioning measurement subassembly (5) and trails measuring component (7), its characterized in that: the anchor plate is characterized in that an anchor beam plate (4) and a protective base plate (3) are correspondingly arranged at the upper end and the lower end of the anchor plate (1), a steel strand (6) is connected to the anchor beam plate (4) in a penetrating manner, a positioning measurement assembly (5) and a tracking measurement assembly (7) are arranged on the steel strand (6), the positioning measurement assembly (5) comprises a spring assembly (14) and a guide rod (17) arranged on one side of the spring assembly (14), the spring assembly (14) is sleeved outside the steel strand (6), a top plate (15) and a second displacement sensor (13) are correspondingly arranged at the top end and the side wall of the spring assembly (14), a limiting cavity (16) which penetrates through the top plate (15) from top to bottom is formed in the central position of the top plate (15), the steel strand (6) penetrates through the top plate (15) in a limiting cavity (16) manner, and the tracking measurement assembly (7) comprises a hydraulic cylinder (8), and an expansion rod (9) arranged on a piston shaft at the top of the hydraulic cylinder (8), wherein the hydraulic cylinder (8) is fixed on the upper surface of the anchor beam plate (4), the top of the expansion rod (9) is connected with a drive plate (10), the steel strand (6) is fixedly connected with the drive plate (10), and a first displacement sensor (11) is arranged at the lower end of the drive plate (10).

2. The structure for measuring the retraction amount of a steel strand for a static anchoring test machine according to claim 1, wherein: the lower end of the spring assembly (14) is connected with a base (12), and the base (12) is fixed on the upper surface of the anchor beam plate (4).

3. The structure for measuring the retraction amount of a steel strand for a static anchoring test machine according to claim 1, wherein: and the top plate (15) is provided with a guide hole (18) which penetrates through the top plate from top to bottom, the lower end of the guide rod (17) is welded on the anchor beam plate (4), and the top of the guide rod (17) extends to the upper part of the top plate (15) in a guide hole (18) mode.

4. The structure for measuring the retraction amount of a steel strand for a static anchoring test machine according to claim 1, wherein: install electron box (2) on the outer wall of anchor dish (1), and correspond about the inside of electron box (2) and be fixed with processor module (19) and teletransmission module (20).

5. The structure for measuring the retraction amount of a steel strand for a static anchoring test machine according to claim 4, wherein: the output end of the first displacement sensor (11) and the output end of the second displacement sensor (13) are electrically connected with the input end of the processor module (19), and the output end of the processor module (19) is electrically connected with the input end of the remote transmission module (20).

6. The structure for measuring the retraction amount of a steel strand for a static anchoring test machine according to claim 1, wherein: the protective seat plate (3) and the anchor beam plate (4) are fixed on the anchor disc (1) in a welding mode.