CN219121933U

CN219121933U - High-efficient section of jurisdiction bending test machine

Info

Publication number: CN219121933U
Application number: CN202223123053.1U
Authority: CN
Inventors: 张硕鹏
Original assignee: Shenyang Mingjun Novel Track Traffic Technology Co ltd
Current assignee: Shenyang Mingjun Novel Track Traffic Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-02
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a high-efficiency duct piece bending test machine, which comprises a bending test machine main body, wherein a test bed is arranged at the upper end of the bending test machine main body, a turntable is arranged at the upper end of the test bed, and a duct piece main body is arranged at the upper end of the turntable; an observation ring is sleeved outside the turntable, and observation lines are uniformly arranged at the edge of the side wall of the observation ring; two storage grooves which are oppositely arranged are formed in the side wall of the turntable, and triangular pointers are assembled in the storage grooves; both sides of the upper end of the test bed are provided with duct piece clamp assemblies; according to the high-efficiency duct piece bending test machine, the observation ring is arranged outside the bending turntable of the test machine body, the observation line is arranged on the outer wall of the bending turntable, and the storable triangular pointer is arranged on the bending turntable and can rotate along with the triangular pointer to point to the observation line, so that the bending angle of the duct piece body during bending is conveniently observed, and the accuracy of test data is improved.

Description

High-efficient section of jurisdiction bending test machine

Technical Field

The utility model relates to the technical field of duct piece production, in particular to a high-efficiency duct piece bending resistance testing machine.

Background

The shield tunnel also becomes a main flow method for constructing urban subway tunnels nowadays by virtue of high mechanization degree, safe and efficient tunneling and adaptability to most stratum. The duct piece is used as a stress mechanism for bearing the soil pressure and maintaining the safe operation of the tunnel;

in the segment production process, a bending tester is required to test the segment, but the segment bending tester in the prior art has some defects, for example, when the segment bending tester is used for testing, the bending angle needs to be adjusted according to the test requirement, and the data of the existing tester are well input, so that the angle in the bending process is inconvenient to observe, the test data is influenced, and therefore, the prior art needs to be improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a high-efficiency duct piece bending test machine, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the high-efficiency duct piece bending test machine comprises a bending test machine body, wherein a test bed is arranged at the upper end of the bending test machine body, a turntable is arranged at the upper end of the test bed, and a duct piece body is arranged at the upper end of the turntable;

an observation ring is sleeved outside the turntable, and observation lines are uniformly arranged at the edge of the side wall of the observation ring;

two opposite containing grooves are formed in the side wall of the rotary table, and triangular pointers are assembled in the containing grooves;

both sides of the upper end of the test bed are provided with duct piece clamp assemblies;

the center of the upper end of the rotary table is provided with a slot, a center column is inserted in the slot, bending columns are assembled on two sides of the center column at the upper end of the rotary table, and the duct piece main body is arranged between the center column and the bending columns.

Preferably, the segment clamp assembly comprises an electric push rod arranged on the test bed, a driving block is arranged at the end part of the electric push rod, an adaptation mechanism is arranged on the side wall of the driving block, an arc plate is arranged at the end part of the adaptation mechanism, and the arc plate is attached to the segment main body.

Preferably, the adaptation mechanism comprises an outer plate body, a middle plate body and an inner plate body, and four corners of the outer plate body and four corners of the middle plate body are mutually hinged.

Preferably, telescopic rods are hinged to four corners of the other side face of the middle plate body, and the other ends of the four telescopic rods are hinged to four corners of one side face of the inner plate body.

Preferably, a spring is mounted on the inner wall of the storage groove, and the triangular pointer is mounted at the end part of the spring.

Preferably, the side wall of the triangular pointer is provided with a limit screw hole, and a screw rod is screwed in the limit screw hole.

Preferably, the upper end of test bench is equipped with two arc pieces of relative setting, and the arcwall face has been seted up to the lateral wall of flexible arc piece, observe the ring and install between two arc pieces.

Preferably, the number of the segment clamp assemblies is two, each segment clamp assembly is two, and the two segment clamps in each segment clamp assembly are oppositely arranged.

The utility model provides a high-efficiency duct piece bending resistance testing machine. The beneficial effects are as follows: the scheme is that an observation ring is arranged outside the bending turntable of the main body of the testing machine, an observation line is arranged on the outer wall of the observation ring, and the triangle pointer which can be stored is arranged on the bending turntable and can rotate along with the triangle pointer to point to the observation line, so that the bending angle of the pipe slice main body during bending is convenient to observe, and the accuracy of test data is improved.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a schematic view of the adaptation mechanism of the present utility model.

Fig. 4 is a schematic diagram of a portion a of the present utility model.

In the figure: the bending test machine comprises a bending test machine body 1, a test bench 2, a duct piece body 3, a rotary table 4, a 5 arc-shaped groove, a 6 arc-shaped block, a 7 observation ring, an 8 bending column, a 9 slot, a 10 center column, an 11 observation line, a 12 electric push rod, a 13 driving block, a 14 adaptation mechanism, a 141 inner plate body, a 142 telescopic rod, a 143 middle plate body, a 144 outer plate body, a 15 arc-shaped plate, a 16 storage groove, a 17 spring, an 18 screw rod and a 19 triangular pointer.

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.

Examples

As shown in fig. 1-4, a high-efficiency duct piece bending test machine comprises a bending test machine body 1, wherein a test table 2 is arranged at the upper end of the bending test machine body 1, a rotary table 4 is arranged at the upper end of the test table 2, a duct piece body 3 is arranged at the upper end of the rotary table 4, a motor is arranged in the bending test machine body 1, and the rotary table 4 is driven to rotate by the motor;

the outside cover of carousel 4 is equipped with observation ring 7, and the lateral wall edge department of observation ring 7 evenly is equipped with observation line 11, and carousel 4 can rotate in the inside of observation ring 7, and the lateral wall of observation ring 7 evenly sets up observation line 11 along the center of carousel 4, and the angle between every adjacent two observation lines 11 is 2;

two opposite containing grooves 16 are formed in the side wall of the rotary table 4, triangular pointers 19 are assembled in the containing grooves 16, and the end parts of the triangular pointers 19 point to the observation lines 11;

the two sides of the upper end of the test bed 2 are provided with duct piece clamp assemblies for clamping the duct piece main body 3;

the slot 9 has been seted up to the upper end center department of carousel 4, has pegged graft in the slot 9 and has been had center post 10, and the upper end of carousel 4 is located the both sides of center post 10 and is equipped with crooked post 8, and section of jurisdiction main part 3 sets up between center post 10 and crooked post 8 to thereby bend section of jurisdiction main part 3 through the rotation of carousel 4 and carry out the test of bending resistance degree.

When in use, the segment body 3 is placed on the turntable 4 and is arranged between the central column 10 and the bending column 8, then the electric push rod 12 in the segment clamp assembly is controlled to extend, the arc plate 15 is contacted with the side wall of the segment body 3, so that the segment body 4 is clamped and fixed, then the turntable 4 is driven to rotate, the bending column 8 rotates around the central column 10 relative to the central column 10 due to the rotation of the turntable 4, and the segment body 3 is positioned between the central column 10, so that the segment body 3 can be bent, and a test is performed, and the turntable 4 can know that the bending angle is detailed by observing the observation line 11 pointed by the end part of the triangular pointer 19 when rotating.

In the concrete implementation process, the segment clamp assembly comprises an electric push rod 12 arranged on the test bed 2, a driving block 13 is arranged at the end part of the electric push rod 12, an adaptation mechanism 14 is arranged on the side wall of the driving block 13, an arc plate 15 is arranged at the end part of the adaptation mechanism 14, the arc plate 15 is attached to the segment main body 3, and the arc plate 15 is driven to be close to the segment main body 3 through the extension of the electric push rod 12.

When the pipe piece body 3 is clamped, the pipe piece body 3 can be placed between the two arc plates 15, then the arc plates 15 are close to the pipe piece body 3 through the extension of the electric push rod 12, and the arc plates 15 are tightly attached to the pipe piece body 3 under the action of the adapting mechanism 14.

In a specific implementation, the adaptation mechanism 14 includes an outer plate 144, a middle plate 143 and an inner plate 141, and four corners of the outer plate 144 and the middle plate 143 are hinged to each other.

The force of multiple angles is accommodated by the articulation of the outer plate body 144 and the middle plate body 143.

In a specific implementation process, four corners of the other side surface of the middle plate body 143 are hinged with telescopic rods 142, and the other ends of the four telescopic rods 142 are hinged with four corners of one side surface of the inner plate body 141.

By hinging the telescopic rod 142 to the middle plate 143, the telescopic rod can be telescopic and can bear forces of multiple angles.

In a specific implementation process, the spring 17 is installed on the inner wall of the accommodating groove 16, and the triangular pointer 19 is installed at the end of the spring 17.

The triangular pointer 19 is easily accommodated in the accommodation groove 16 by contraction of the spring 17.

In a specific implementation process, a limit screw hole is formed in the side wall of the triangular pointer 19, and a screw rod 18 is screwed in the limit screw hole.

The triangular pointer 19 is limited by the screw 18 being screwed in and out of the limiting screw hole.

In the concrete implementation process, the upper end of the test bed 2 is provided with two oppositely arranged arc-shaped blocks 6, the side wall of each arc-shaped block 6 is provided with an arc-shaped surface 5, and an observation ring 7 is arranged between the two arc-shaped blocks 6.

The observation ring 7 is fixed at the upper end of the test stand 2 by the arc-shaped block 6, and the arc-shaped surface 5 is attached to the outer wall of the observation ring 7.

In the implementation process, the number of the duct piece clamp assemblies is two, each duct piece clamp assembly is two, and two duct piece clamps in each duct piece clamp assembly are oppositely arranged.

It is noted that 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. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

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

Claims

1. The utility model provides a high-efficient section of jurisdiction bending test machine, includes bending test machine main part (1), its characterized in that: the bending resistance tester is characterized in that a test bed (2) is assembled at the upper end of the bending resistance tester main body (1), a rotary table (4) is assembled at the upper end of the test bed (2), and a duct piece main body (3) is placed at the upper end of the rotary table (4);

an observation ring (7) is sleeved outside the rotary table (4), and observation lines (11) are uniformly arranged at the edge of the side wall of the observation ring (7);

two storage grooves (16) which are oppositely arranged are formed in the side wall of the rotary table (4), and triangular pointers (19) are assembled in the storage grooves (16);

both sides of the upper end of the test bed (2) are provided with duct piece clamp assemblies;

the center of the upper end of the rotary table (4) is provided with a slot (9), a center column (10) is inserted into the slot (9), two sides of the upper end of the rotary table (4) located at the center column (10) are provided with bending columns (8), and the duct piece main body (3) is arranged between the center column (10) and the bending columns (8).

2. The high-efficiency duct piece bending test machine according to claim 1, wherein: the duct piece clamp assembly comprises an electric push rod (12) arranged on a test bed (2), a driving block (13) is arranged at the end part of the electric push rod (12), an adaptation mechanism (14) is arranged on the side wall of the driving block (13), an arc-shaped plate (15) is arranged at the end part of the adaptation mechanism (14), and the arc-shaped plate (15) is attached to the duct piece main body (3).

3. The high-efficiency duct piece bending test machine according to claim 2, wherein: the adaptation mechanism (14) comprises an outer plate body (144), a middle plate body (143) and an inner plate body (141), and four corner positions of the outer plate body (144) and the middle plate body (143) are mutually hinged.

4. The high-efficiency duct piece bending test machine according to claim 3, wherein: the telescopic rods (142) are hinged to four corners of the other side face of the middle plate body (143), and the other ends of the four telescopic rods (142) are hinged to four corners of one side face of the inner plate body (141).

5. The high-efficiency duct piece bending test machine according to claim 1, wherein: a spring (17) is mounted on the inner wall of the storage groove (16), and the triangular pointer (19) is mounted at the end of the spring (17).

6. The high-efficiency duct piece bending test machine according to claim 5, wherein: the side wall of the triangular pointer (19) is provided with a limit screw hole, and a screw rod (18) is screwed in the limit screw hole.

7. The high-efficiency duct piece bending test machine according to claim 1, wherein: the upper end of test bench (2) is equipped with two arc piece (6) of relative setting, and arcwall face (5) have been seted up to the lateral wall of flexible arc piece (6), observe ring (7) and install between two arc pieces (6).

8. The high-efficiency duct piece bending test machine according to claim 1, wherein: the number of the duct piece clamp assemblies is two, each duct piece clamp assembly is two, and two duct piece clamps in each duct piece clamp assembly are oppositely arranged.