CN210791389U

CN210791389U - Contact net square strut concrete vibration forming process evaluation device

Info

Publication number: CN210791389U
Application number: CN201921402694.6U
Authority: CN
Inventors: 张博; 郜文杰; 刘卫垒; 汪建春
Original assignee: Xiping Huading Electric Equipment Co ltd
Current assignee: Xiping Huading Electric Equipment Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-19
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a vibration molding process evaluation device for concrete of a contact net square strut, which comprises an upper bottom plate, a lower bottom plate, an experimental mould arranged on the upper bottom plate and used for containing concrete, and a variable frequency vibration motor arranged below the upper bottom plate and used for vibrating the experimental mould, wherein a strut used for supporting the upper bottom plate is arranged above the lower bottom plate, and a vibration spring is arranged between the top end of the strut and the lower surface of the upper bottom plate; when needs confirm vibrations shaping technology and vibration parameter when meeting the production requirement, can drive the upper plate vibrations through control frequency conversion shock dynamo to drive the concrete vibrations of placing in the experiment mould through the experiment mould, can detect the concrete intensity of experimenting after vibrations finish, make things convenient for people to observe, the vibrations of upper plate can be realized in the setting of vibrations spring, through setting up adjustment mechanism, can adjust the locating piece position through adjustment mechanism, and then the convenience is fixed the experiment mould position of equidimension not.

Description

Contact net square strut concrete vibration forming process evaluation device

Technical Field

The utility model relates to a concrete detection technical field specifically is a contact net side pillar concrete vibration molding technology evaluation device.

Background

The contact net support is a support device of the contact net, and is used for bearing the load of a contact suspension and a support device and fixing the contact suspension at a specified height. Prestressed concrete struts, referred to as reinforced concrete struts for short. It can be divided into square and round pillars according to its shape. Reinforced concrete struts adopted in electrified railways in China are mostly square struts with I-shaped and web-hole structures, and circular struts are only adopted in a few urban rail transit systems. The square strut is divided into a transverse web member type and an inclined web member type, and the transverse web member type is adopted in China at present.

The square pillar is mainly formed by vibration, and when the vibration forming method is adopted, the process factors and the vibration process parameters have great influence on the performance of the concrete product. Tests show that during vibration molding, vibration frequency, vibration amplitude, bonding agent types, bonding agent quantity, moisture, grain composition, pressurizing pressure and the like all influence the performance of the product.

Therefore, whether the vibration molding process and the vibration parameters meet the production requirements must be determined according to the quality of the finished product subjected to vibration molding. In the past, the contact net square strut is directly cut to observe the internal forming quality of concrete. Therefore, the economic cost is high, and the cut contact net square strut is directly scrapped. And the contact net square support column is large in volume, so that the observation of the concrete forming quality is inconvenient.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide one kind and can adjust vibration technology and vibration parameter, and the contact net side pillar concrete vibration forming process evaluation device who facilitates the use.

The utility model discloses a realize through following technical scheme: a vibration forming process evaluation device for concrete of a contact net square strut comprises an upper base plate, a lower base plate, an experimental mould arranged on the upper base plate and used for containing concrete, and a variable frequency vibration motor arranged below the upper base plate and used for vibrating the experimental mould, wherein a strut used for supporting the upper base plate is arranged above the lower base plate, a vibration spring is arranged between the top end of the strut and the lower surface of the upper base plate, the experimental mould is fixed above the upper base plate through a plurality of fixing components, each fixing component comprises a positioning block and an adjusting mechanism used for adjusting the position of the positioning block, the adjusting mechanism is arranged above the upper base plate, the adjusting mechanism comprises a shell and a sliding block arranged inside the shell, a plurality of threaded holes used for fixing the positioning block are formed in the upper surface of the shell, and the positioning block is fixedly connected with the shell through bolts and threaded holes, the top of slider and the bottom fixed connection of locating piece, the inside of casing is offered and is used for making the gliding spout of slider, the inner wall of spout is provided with the guide bar, the outer wall cover of guide bar is equipped with the sliding sleeve, the dress is worn in the inside of slider to the sliding sleeve, guide bar outer wall cover is equipped with the expanding spring who is used for providing elasticity, expanding spring sets up between spout inner wall and sliding sleeve.

Preferably, the bottom of the sliding block is provided with two first grooves with arc-shaped cross sections.

Preferably, the bottom of the inner wall of the sliding chute is provided with two second grooves which correspond to the first grooves in position and have the same shape.

Preferably, a ball for reducing friction between the sliding block and the sliding groove is arranged between the first groove and the second groove.

Preferably, the cross sections of the sliding groove and the sliding block are both T-shaped.

Preferably, the cross section of the positioning block is L-shaped, and the lower surface of the positioning block is attached to the upper surface of the upper base plate.

Preferably, the number of the fixed assemblies is 8, and the 8 fixed assemblies are uniformly distributed around the experimental grinding tool.

Preferably, a reinforcing rib plate is connected between the lower bottom plate and the pillar.

The beneficial effects of the utility model reside in that: through setting up the upper plate, the lower plate, the pillar, the vibrations spring, the locating piece, frequency conversion shock dynamo and experiment mould, when needs confirm vibrations shaping technology and vibration parameter when meeting the production requirement, can drive the upper plate vibrations through control frequency conversion shock dynamo, the upper plate drives the experiment mould vibrations, thereby drive the concrete vibrations of placing in the experiment mould through the experiment mould, can detect the concrete intensity of experiment after vibrations finish, make things convenient for people to observe, the vibrations of upper plate can be realized in the setting of vibrations spring, through setting up adjustment mechanism, can adjust the locating piece position through adjustment mechanism, and then the convenience is fixed the experiment mould position of equidimension not.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic structural diagram of the adjusting mechanism in the present invention from the top;

FIG. 5 is a schematic cross-sectional view of the side view of the adjusting mechanism of the present invention;

wherein: 1. a lower base plate; 2. reinforcing rib plates; 3. a pillar; 4. vibrating the spring; 5. an upper base plate; 6. positioning blocks; 7. a bolt; 8. an adjustment mechanism; 81. a housing; 82. a tension spring; 83. a threaded hole; 84. a guide bar; 85. a slider; 86. a first groove; 87. a second groove; 88. a ball bearing; 89. a sliding sleeve; 9. an experimental mould; 10. variable frequency vibrating motor.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Example 1

As shown in figures 1-5, a concrete vibration forming process evaluation device for a contact net square pillar 3 comprises an upper bottom plate 5, a lower bottom plate 1, an experimental mold 9 arranged on the upper bottom plate 5 and used for containing concrete, and a variable frequency vibration motor 10 arranged below the upper bottom plate 5 and used for vibrating the experimental mold 9, wherein a pillar 3 used for supporting the upper bottom plate 5 is arranged above the lower bottom plate 1, a reinforcing rib plate 2 is connected between the lower bottom plate 1 and the pillar 3, a vibration spring 4 is arranged between the top end of the pillar 3 and the lower surface of the upper bottom plate 5, the experimental mold 9 is fixed above the upper bottom plate 5 through a plurality of fixing components, the upper bottom plate 5, the lower bottom plate 1, the pillar 3, the vibration spring 4, a positioning block 6, the variable frequency vibration motor 10 and the experimental mold 9 are arranged, when whether a vibration forming process and vibration parameters meet production requirements or not is determined, the upper bottom plate 5 can be driven by controlling the, the upper base plate 5 drives the experiment mould 9 to vibrate, thereby the experiment mould 9 drives the concrete placed in the experiment mould 9 to vibrate, after the vibration is finished, the strength of the tested concrete can be detected, and the observation of people is facilitated, the fixing component comprises a positioning block 6 and an adjusting mechanism 8 for adjusting the position of the positioning block 6, the number of the fixing components is 8, the 8 fixing components are uniformly distributed around the experiment grinding tool, the cross section of the positioning block 6 is L-shaped, the lower surface of the positioning block 6 is attached to the upper surface of the upper base plate 5, the adjusting mechanism 8 is arranged above the upper base plate 5, the adjusting mechanism 8 comprises a shell 81 and a sliding block 85 arranged inside the shell 81, the upper surface of the shell 81 is provided with a plurality of threaded holes 83 for fixing the positioning block 6, the positioning block 6 is fixedly connected with the shell 81 through bolts 7 and the threaded holes 83, the top of the sliding block 85 is fixedly connected with the bottom of the, a sliding groove for sliding the sliding block 85 is arranged in the shell 81, a guide rod 84 is arranged on the inner wall of the sliding groove, a sliding sleeve 89 is sleeved on the outer wall of the guide rod 84, the sliding sleeve 89 is arranged in the sliding block 85 in a penetrating manner, the cross sections of the sliding groove and the sliding block 85 are both T-shaped, set up to the T shape through the shape with spout and slider 85, can make slider 85 more stable at the in-process that removes, guide bar 84 outer wall cover is equipped with the expanding spring 82 that is used for providing elasticity, expanding spring 82 sets up between spout inner wall and sliding sleeve 89, expanding spring 82's setting, can provide elasticity for slider 85, make slider 85 laminate with experiment mould 9 outer wall all the time, two cross sections have been seted up to slider 85's bottom and have been curved first recess 86, two second recesses 87 that correspond and the same shape with first recess 86 position have been seted up to spout inner wall's bottom, be provided with the ball 88 that is used for reducing frictional force between slider 85 and the spout between first recess 86 and the second recess 87.

During the use, when needs are confirmed whether vibrations shaping technology and vibration parameter accord with the production requirement, drive upper plate 5 vibrations through control frequency conversion shock dynamo 10, upper plate 5 drives experiment mould 9 vibrations, thereby drive the concrete vibrations of placing in experiment mould 9 through experiment mould 9, can detect the concrete intensity of experimenting after vibrations finish, when more changing the experiment mould 9 of different specifications, place experiment mould 9 between 8 fixed blocks, the fixed block makes slider 85 and experiment mould 9 outer wall laminating under expanding spring 82's effect this moment, and it is fixed with locating piece 6 through bolt 7 and the screw hole 83 that sets up at casing 81 outside, the completion is fixed to experiment mould 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a contact net side pillar concrete vibrations shaping technology evaluation device, includes upper plate and lower plate, sets up the experiment mould that is used for holding the concrete on the upper plate, sets up the variable frequency shock dynamo that is used for making experiment mould vibrations in the upper plate below, its characterized in that: the upper part of the lower bottom plate is provided with a supporting column for supporting the upper bottom plate, a vibration spring is arranged between the top end of the supporting column and the lower surface of the upper bottom plate, the experimental die is fixed above the upper bottom plate through a plurality of fixing components, each fixing component comprises a positioning block and an adjusting mechanism for adjusting the position of the positioning block, the adjusting mechanism is arranged above the upper bottom plate and comprises a shell and a sliding block arranged in the shell, the upper surface of the shell is provided with a plurality of threaded holes for fixing the positioning block, the positioning block is fixedly connected with the shell through bolts and threaded holes, the top of the sliding block is fixedly connected with the bottom of the positioning block, the shell is internally provided with a sliding groove for enabling the sliding block to slide, the inner wall of the sliding groove is provided with a guide rod, the outer wall of the guide rod is sleeved with a sliding sleeve, the outer wall of the guide rod is sleeved with a telescopic spring used for providing elasticity, and the telescopic spring is arranged between the inner wall of the sliding groove and the sliding sleeve.

2. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 1, which is characterized in that: two first grooves with arc-shaped cross sections are formed in the bottom of the sliding block.

3. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 2, is characterized in that: two second grooves which correspond to the first grooves in position and are the same in shape are formed in the bottom of the inner wall of the sliding groove.

4. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 3, is characterized in that: and a ball for reducing the friction force between the sliding block and the sliding groove is arranged between the first groove and the second groove.

5. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 1, which is characterized in that: the cross sections of the sliding grooves and the sliding blocks are both T-shaped.

6. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 1, which is characterized in that: the cross section of the positioning block is L-shaped, and the lower surface of the positioning block is attached to the upper surface of the upper base plate.

7. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 1, which is characterized in that: the quantity of fixed subassembly is 8, and 8 fixed subassemblies evenly distributed are around experimental grinding apparatus.

8. The device for evaluating the vibration molding process of the concrete of the contact net square strut according to claim 1, which is characterized in that: and a reinforcing rib plate is connected between the lower bottom plate and the pillar.