CN213580371U

CN213580371U - Reverse bending tester for reinforcing steel bars

Info

Publication number: CN213580371U
Application number: CN202022397780.1U
Authority: CN
Inventors: 付亚军; 胡桂珍; 胡登鹏; 杜书圣; 李文韬
Original assignee: Hubei Ruipeng Hengxin Testing Co ltd
Current assignee: Anhui Yinglian Construction Investment Development Co ltd; Anhui Yuxian Technology Development Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-29
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a reverse bending test machine of reinforcing bar relates to the field of steel experimental facilities, and it includes testing machine body, testing machine body upper end face guard is equipped with the protection casing, the one end of protection casing with testing machine body is articulated, the slot has been seted up to the other end of protection casing, testing machine body up end along vertical direction be provided with the inserted block of slot grafting adaptation, the protection casing outside be provided with be used for with inserted block fixed connection in fixed subassembly in the slot. This application is under the effect of fixed subassembly, with inserted block fixed connection in the slot, reaches protection casing and testing machine body fixed connection's purpose, has the reinforcing bar sample departure that prevents the rupture and hinders the people, guarantees experimenter's personal safety's effect, utilizes the protection casing to cover testing machine body when not using simultaneously, prevents that the dust from falling into testing machine originally internally, effectively improves the precision of experiment.

Description

Reverse bending tester for reinforcing steel bars

Technical Field

The application relates to the field of steel experimental equipment, in particular to a reverse bending tester for reinforcing steel bars.

Background

The steel bar reverse bending tester is a kind of process equipment for cold bending test and plane reverse bending test of steel bar. The testing machine comprises a frame, a workbench, a working disc, a speed reducer, a pressing device, an electrical control box, a safety protection cover, a bending accessory and the like, and has the characteristics of compact structure, simplicity in operation, high bearing capacity, stability in operation, low noise, visual display of bending angle, safety, reliability, convenience in maintenance and the like.

The current chinese patent with patent application number CN201920027012.1, a reinforcing bar reverse bending test device is proposed, including the test bench body, rotatory disc and top tight mechanism, the front side of test bench body is provided with the limit fixed plate, the left side of limit fixed plate articulates there is the limiting plate, the left side wall and the top tight mechanism of the other end of limiting plate are connected, the center of rotatory disc is provided with the center post of buckling, adjustable fixer has been placed perpendicularly on the limiting plate along length direction, the fixer includes main fixed plate and two movable plates of U type frame, the movable plate is connected on main fixed plate through leading spout slidable, the lower part of two movable plates passes through connecting bolt and links together, one side of main fixed plate is connected with adjusting screw, adjusting screw's head supports on connecting bolt, and promote the movable plate horizontal migration on main fixed plate.

In view of the above-mentioned related technologies, the inventor believes that, in the process of bending the steel bar sample by the rotating disc, the steel bar sample with insufficient flexibility is easily broken, and the broken steel bar sample splashes in the laboratory, which has a defect affecting the life safety of workers.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the reinforcing bar sample that bursts apart splashes, this application provides a reinforcing bar reverse bending test machine.

The application provides a reverse bending test machine of reinforcing bar adopts following technical scheme:

the utility model provides a reverse bending test machine of reinforcing bar, includes the testing machine body, testing machine body upper end face guard is equipped with the protection casing, the one end of protection casing with the testing machine body is articulated, the slot has been seted up to the other end of protection casing, testing machine body up end along vertical direction be provided with the inserted block of slot grafting adaptation, the protection casing outside be provided with be used for with inserted block fixed connection in fixed subassembly in the slot.

By adopting the technical scheme, after clamping the steel bar sample between the main fixed plate and the movable plate, a worker drives the protective cover to rotate around the hinge shaft until the insert block on the testing machine body is inserted into the slot of the protective cover, the insert block is fixedly connected into the slot under the action of the fixed assembly, so that the aim of fixedly connecting the protective cover and the testing machine body is fulfilled, the protective cover is utilized to block the steel bar sample which is accidentally broken, the broken steel bar sample is prevented from flying out to hurt people to a certain extent, and the personal safety of experimenters is ensured; meanwhile, the testing machine body is covered by the protective cover when not in use, so that dust is prevented from falling into the testing machine body, and the precision of an experiment is effectively improved; when the reinforcing bar sample needs to be taken out, the worker breaks off the fixed connection between the protective cover and the testing machine body, the protective cover is rotated until the inserting block is separated from the inserting block, the protective cover is opened, the reinforcing bar sample is taken out, and the operation is convenient and fast.

Optionally, the outer surface of the protective cover is provided with a jack in a penetrating manner along the horizontal direction, the jack is communicated with the slot, the fixing assembly comprises a bolt matched with the jack in a splicing manner, the side face of the insertion block is provided with a positioning hole in a penetrating manner, and the bolt is connected in the positioning hole in a sliding manner.

By adopting the technical scheme, the protective cover is driven to rotate until the insert block is inserted into the slot and the jack is concentric with the positioning hole, a worker drives the plug pin to be inserted into the jack and penetrate through the positioning hole, both ends of the plug pin are positioned in the jacks at both sides, and the middle part of the plug pin is positioned in the positioning hole, so that the protective cover is prevented from rotating, the purpose of fixedly connecting the insert block into the slot is achieved, and convenience and rapidness are achieved; when the protective cover needs to be opened, a worker pulls out the bolt along the axis of the jack, the fixed connection between the insert block and the protective cover is broken, and the protective cover is rotated to complete the opening of the protective cover.

Optionally, the side of the bolt is circumferentially provided with a sliding block, the side wall of the jack penetrates along the length direction of the side wall of the jack and is provided with a first sliding groove, the sliding block is connected in the first sliding groove in a sliding manner, and the side wall of the positioning hole penetrates along the axial direction of the side wall of the positioning hole and is provided with a second sliding groove matched with the sliding block in a sliding manner.

Through adopting above-mentioned technical scheme, the staff inserts the bolt jack, and the bolt drives the slider plug-in to first spout in, continues to remove the bolt, and the bolt drives the slider and passes the second spout, and rotatory bolt, the bolt drives the slider rotation, and the slider misplaces with first spout, prevents to a certain extent that the bolt from breaking away from the jack, ensures that the inserted block is firm in the connection of slot.

Optionally, the inner wall of the protective cover is provided with a limit groove adapted to the sliding block in an inserting manner, the limit groove is communicated with the jack, and an elastic part for driving the sliding block to be inserted into the limit groove is arranged between the plug pin and the outer side wall of the protective cover.

Through adopting above-mentioned technical scheme, the staff presses the bolt, the bolt drives the slider and passes first spout and second spout, and rotatory bolt, the bolt drives the slider rotation to align with the spacing groove, the effort on the release handle, the elastic component resets the direction motion of drive bolt to keeping away from the protection casing, the bolt drives the slider to the direction motion that is close to the spacing groove, peg graft to the spacing inslot until the slider, utilize the position of spacing groove restriction slider, prevent that the bolt is rotatory, reach protection casing and testing machine body fixed connection's purpose.

Optionally, the bolt is kept away from the one end of inserted block is provided with the boss, the elastic component sets up to the cover and locates the spring of bolt week side, the both ends of spring respectively with the boss and the lateral wall fixed connection of protection casing.

Through adopting above-mentioned technical scheme, utilize the elastic drive bolt of spring to drive the slider and peg graft to the spacing groove in, convenient and fast, the boss is convenient for spring drive bolt motion.

Optionally, a handle is arranged on the end face, away from the plug, of the boss.

Through adopting above-mentioned technical scheme, utilize the handle to be convenient for the staff drive bolt rotatory, labour saving and time saving.

Optionally, a rubber layer is sleeved on the periphery of the handle.

Through adopting above-mentioned technical scheme, utilize the rubber layer to increase the frictional force between staff's finger and the handle, the staff of being convenient for drives the handle.

Optionally, the protection casing is kept away from the one end of bolt with be provided with the torsional spring between the testing machine body, the both ends of torsional spring respectively with the protection casing and testing machine body up end fixed connection.

Through adopting above-mentioned technical scheme, utilize torsional spring elasticity to be convenient for directly bounce the protection casing after the bolt breaks away from the locating hole, be convenient for open the protection casing.

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

1. the handle is pressed to compress the spring, the handle drives the sliding block to penetrate through the first sliding groove and the second sliding groove, the handle is rotated to drive the sliding block to rotate to be aligned with the limiting groove, the applied force on the handle is released, the spring resets and drives the sliding block to be inserted into the limiting groove, and the purpose of fixedly connecting the protective cover with the testing machine body is achieved;

2. the handle is pressed to drive the sliding block to be separated from the limiting groove, the handle is rotated to drive the sliding block to move to be aligned with the first sliding groove, the acting force of the handle is released, the spring resets to drive the sliding block to completely withdraw from the second sliding groove, and the purpose of disconnecting the fixed connection of the protective cover and the testing machine body is achieved;

3. the torsional spring resets and drives the protection casing rotatory along the articulated shaft, reaches the purpose of opening the protection casing, labour saving and time saving.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the overall structure of the shield opening according to the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a shield in an embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.

Reference numerals: 1. a testing machine body; 2. a protective cover; 3. a slot; 4. inserting a block; 5. a jack; 6. a bolt; 7. positioning holes; 8. a slider; 9. a first chute; 10. a second chute; 11. a limiting groove; 12. a boss; 13. a spring; 14. a handle; 16. a torsion spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses reverse bending test machine of reinforcing bar. Referring to fig. 1 and 2, a reverse bending test machine of reinforcing bar, including testing machine body 1, splash in order to prevent the reinforcing bar sample fracture in bending test in-process, testing machine body 1's up end rotates through the articulated shaft and is connected with protection casing 2, protection casing 2 is the upper surface that testing machine body 1 was located to square cover, protection casing 2 keeps away from the side fixedly connected with handle of articulated shaft, the holding tank has been seted up along vertical direction to the terminal surface that testing machine body 1 was kept away from to protection casing 2, the embedded transparent pressure plate that is equipped with of holding tank, the staff utilizes the handle with protection casing 2 around the articulated shaft rotatory to with testing machine body 1 closed back, observe the crooked condition of reinforcing bar sample in the tester through transparent ya keli board, under the prerequisite of guaranteeing staff life safety, be convenient for the staff. Simultaneously, utilize protection casing 2 with the 1 shade of testing machine body when not using, prevent that the dust from falling into testing machine body 1 in, effectively improve the experimental precision of crooked experiment.

Refer to fig. 3 and fig. 4, for the convenience of protection casing 2 and testing machine body 1's fixed connection, slot 3 has been seted up along vertical direction to the one end that protection casing 2 kept away from the articulated shaft, 1 up end fixedly connected with inserted block 4 of testing machine body, inserted block 4 pegs graft in slot 3, the side that protection casing 2 kept away from the articulated shaft runs through along the horizontal direction has seted up jack 5, inserted block 4 runs through near the side of jack 5 and has seted up locating hole 7, 2 periphery sides of protection casing are provided with fixed subassembly, fixed subassembly includes the bolt 6 with 5 grafting adaptations of jack, 6 sliding connection of bolt are in locating hole 7.

Referring to fig. 4 and 5, in order to facilitate the stable connection of the plug 6 in the jack 5, a sliding block 8 is fixedly connected to the periphery of the end portion of the plug 6, a first sliding groove 9 is formed in the side wall of the jack 5 along the axial direction, a second sliding groove 10 is formed in the side wall of the positioning hole 7, the first sliding groove 9 and the second sliding groove 10 are both adapted to the sliding block 8 in a sliding manner, a boss 12 is fixedly and coaxially fixedly connected to one end of the plug 6 away from the sliding block 8, a handle 14 is fixedly connected to the end surface of the boss 12 away from the plug 6, a rubber layer is sleeved on the periphery of the handle 14, friction between fingers of a worker and the handle 14 is increased by the rubber layer, the handle 14 is conveniently driven by the worker, the handle 14 is driven by the worker to drive the plug 6 to drive the sliding block 8 to pass through the first sliding groove 9 and the second sliding groove 10, and the, the purpose of limiting the movement of the bolt 6 along the axis of the positioning hole 7 is achieved.

Referring to fig. 4 and 5, for the convenience of restriction the 8 positions of slider after passing first spout 9, spacing groove 11 has been seted up to 2 inner walls of protection casing, slider 8 pegs graft to spacing inslot 11, for the convenience of slider 8 peg graft to spacing inslot 11, set up the elastic component between bolt 6 and the 2 lateral walls of protection casing, the elastic component sets up to the spring 13 of locating 6 week sides of bolt for the cover, the both ends of spring 13 respectively with the boss 12 and the lateral wall fixed connection of protection casing 2.

The staff utilizes the handle to drive protection casing 2 rotatory until protection casing 2 covers establish with the testing machine upper surface, inserted block 4 pegs graft to the slot 3 this moment, and jack 5 is concentric with locating hole 7, first spout 9 aligns with second spout 10, press handle 14 and compression spring 13, handle 14 promotes boss 12 and drives bolt 6 and pass jack 5 and locating hole 7, bolt 6 drives slider 8 and passes first spout 9 and second spout 10, rotating handle 14, handle 14 drives slider 8 rotatory to align with spacing groove 11, release the applied force on handle 14, spring 13 resets the drive and promotes boss 12 and removes to the direction of keeping away from protection casing 2, boss 12 drives bolt 6 and drives slider 8 and moves, until slider 8 pegs graft to spacing groove 11 in, reach the purpose with protection casing 2 and testing machine body 1 fixed connection, convenient and fast.

Refer to fig. 2, for the convenience of opening protection casing 2, the articulated shaft week side cover is equipped with torsional spring 16, torsional spring 16's both ends respectively with protection casing 2 and 1 up end fixed connection of testing machine body, the staff presses handle 14, drive slider 8 to the direction motion and the compression spring 13 of keeping away from spacing groove 11, until slider 8 breaks away from spacing groove 11, twist grip 14 drives slider 8 and moves to aligning with first spout 9, release handle 14's effort, spring 13 resets and drives 6 drive sliders that drive 8 withdraw from second spout 10 completely, torsional spring 16 resets and drives protection casing 2 rotatory along the articulated shaft this moment, reach the purpose of opening protection casing 2, time saving and labor saving.

The implementation principle of the reverse bending test machine of reinforcing bar of the embodiment of this application is: staff's drive handle drives the rotation of protection casing 2 until the inserted block 4 pegs graft to slot 3 in, press handle 14 compression spring 13, handle 14 promotes boss 12 and drives bolt 6 and drive slider 8 and pass first spout 9 and second spout 10, twist grip 14 drives slider 8 rotatory to align with spacing groove 11, release the exerted force on the handle 14, spring 13 resets and drives 8 pegs graft to spacing groove 11 in the slider, reach the purpose with protection casing 2 and experiment machine body fixed connection.

When the protection casing 2 needs to be opened, a worker presses the handle 14 to drive the slider 8 to move to be separated from the limiting groove 11, the rotating handle 14 drives the slider 8 to move to be aligned with the first sliding groove 9, the acting force of the handle 14 is released, the spring 13 resets and drives the bolt 6 to drive the slider 8 to completely withdraw from the second sliding groove 10, and the torsion spring 16 resets to drive the protection casing 2 to rotate along the hinged shaft at the moment, so that the purpose of opening the protection casing 2 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a reverse bending test machine of reinforcing bar, includes testing machine body (1), its characterized in that: testing machine body (1) upper end face guard is equipped with protection casing (2), the one end of protection casing (2) with testing machine body (1) is articulated, slot (3) have been seted up to the other end of protection casing (2), testing machine body (1) up end along vertical direction be provided with inserted block (4) of slot (3) grafting adaptation, be provided with in the protection casing (2) outside be used for with inserted block (4) fixed connection in fixed subassembly in slot (3).

2. The reverse bar bending tester according to claim 1, wherein: protection casing (2) surface runs through along the horizontal direction and has seted up jack (5), jack (5) with slot (3) intercommunication, fixed subassembly include with bolt (6) of jack (5) grafting adaptation, locating hole (7) have been seted up in run-through of inserted block (4) side, bolt (6) sliding connection in locating hole (7).

3. The reverse bar bending tester according to claim 2, wherein: all sides of the bolt (6) are arranged on the sliding block (8), the side wall of the jack (5) penetrates along the length direction thereof to be provided with a first sliding groove (9), the sliding block (8) is connected with the inside of the first sliding groove (9) in a sliding manner, and the side wall of the positioning hole (7) penetrates along the axial direction thereof to be provided with a second sliding groove (10) matched with the sliding block (8) in a sliding manner.

4. The reverse bar bending tester according to claim 3, wherein: the inner wall of the protective cover (2) is provided with a limiting groove (11) matched with the sliding block (8) in an inserting mode, the limiting groove (11) is communicated with the jack (5), and an elastic piece used for driving the sliding block (8) to be inserted into the limiting groove (11) is arranged between the bolt (6) and the outer side wall of the protective cover (2).

5. The reverse bar bending tester according to claim 4, wherein: keep away from bolt (6) the one end of inserted block (4) is provided with boss (12), the elastic component sets up to the cover and locates spring (13) of bolt (6) week side, the both ends of spring (13) respectively with boss (12) and the lateral wall fixed connection of protection casing (2).

6. The reverse bar bending tester according to claim 5, wherein: and a handle (14) is arranged on the end face, far away from the bolt (6), of the boss (12).

7. The reverse bar bending tester according to claim 6, wherein: the rubber layer is sleeved on the periphery of the handle (14).

8. The reverse bar bending tester according to claim 2, wherein: keep away from in protection casing (2) the one end of bolt (6) with be provided with torsional spring (16) between testing machine body (1), the both ends of torsional spring (16) respectively with protection casing (2) and testing machine body (1) up end fixed connection.