CN219224490U

CN219224490U - Cement fineness negative pressure screen analysis instrument

Info

Publication number: CN219224490U
Application number: CN202223611873.5U
Authority: CN
Inventors: 王爱英; 栾锋昌; 毛伟明
Original assignee: Shandong Huabao Environmental Protection New Material Co ltd
Current assignee: Shandong Huabao Environmental Protection New Material Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-20
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a cement fineness negative pressure screen analysis appearance, it includes the organism, install the organic lid on the organism, surface mounting has the lid to hold on the lid, the organism lower extreme is equipped with the running-board along organism width direction, running-board one end extends the organism surface, the one end that the running-board deviates from the organism surface is equipped with the driving rope, the one end that the driving rope deviates from the running-board links to each other with the lid is fixed, the running-board is fixed with the bull stick along organism width direction's axis department, the running-board passes through the bull stick and rotates with the organism to be connected, the organism internal fixation has the pivot, one side sliding connection that the driving rope is close to the organism lower surface with the pivot. The application has the effect of being convenient for control the opening of apron.

Description

Cement fineness negative pressure screen analysis instrument

Technical Field

The application relates to the field of cement detection equipment, in particular to a cement fineness negative pressure screen analyzer.

Background

The existing cement fineness negative pressure screen analyzer is mainly used for the fineness of cement, and mainly comprises five parts, namely a screen seat, a micro motor, a dust collector, a cyclone barrel and an electric appliance control. The whole device keeps a negative pressure state when in operation, the cement powder to be tested moves along with the air flow under the action of the air flow, coarse particles with the particle size larger than the aperture of the screen mesh are left in the test screen, so that the purpose of screening is achieved, and a cement fineness negative pressure screen analyzer is indispensable in the cement fineness negative pressure detection process.

In the detection process, an operator carries a container to be detected to a cement fineness negative pressure screen analyzer, then opens a cover plate to pour raw materials, and then closes the cover plate to detect.

For the related art, when an operator carries a heavy container to be detected, the operator needs to manually operate the opening and closing of the cover plate, and in the process of changing the hand for carrying the container to be detected to the operation of the cover plate, the opening of the control cover plate is troublesome.

Disclosure of Invention

In order to facilitate the control of the opening of the cover plate, the application provides a cement fineness negative pressure screen analyzer.

The application provides a cement fineness negative pressure screen analysis appearance, adopts following technical scheme:

the utility model provides a cement fineness negative pressure screen analysis appearance, includes the organism, installs the organic lid on the organism, and surface mounting has the lid to hold on the lid, the organism lower extreme is equipped with the running-board along organism width direction, running-board one end extends the organism surface, the one end that the running-board deviates from the organism surface is equipped with the drive rope, the one end that the drive rope deviates from the running-board links to each other with the lid is fixed, the running-board is fixed with the bull stick along organism width direction's axis department, the running-board passes through the bull stick and rotates with the organism to be connected, the organism internal fixation has the pivot, one side sliding connection that the drive rope is close to the organism lower surface with the pivot.

Through adopting above-mentioned technical scheme, when carrying the area and detecting the container, operating personnel steps on the running-board, under the connection of dwang, the one end upward movement that running-board and driving rope are connected for the one end that driving rope and pivot lower extreme are connected moves to the one end that is close to the running-board, thereby pulls the one end that links to each other with the lid, and then separates lid and organism, realizes opening the effect of opening the lid, makes the opening of control lid more convenient.

Optionally, the machine body comprises a storage box at the lower end, and the foot pedal and the rotating shaft are both positioned in the storage box.

By adopting the technical scheme, when the pedal is used, an operator steps on one end of the pedal extending out of the storage box and opens the cover, and when the pedal is not used or carried, the pedal and the rotating shaft are stored through the storage box, so that the dust is prevented from interfering, and the service life is prolonged; on the other hand, the interference of excessive parts outside the machine body to the actions such as carrying of operators is avoided, and the machine is more humanized.

Optionally, the organism upper end is equipped with the link, the link passes through bolted connection with the organism, the locating hole has been seted up along vertical direction to the link, lid handle and locating hole inner wall sliding connection.

Through adopting above-mentioned technical scheme, at the in-process that operating personnel used the running-board to open the machine lid, drive rope pulling lid upwards slides in the locating hole on the link, realizes opening more convenient to the machine lid. Meanwhile, when an operator does not act on the pedal, the transmission rope restores to a natural state, and the cover handle slides downwards in the positioning hole, so that the cover is covered, and the cover is closed more conveniently.

Optionally, a positioning block is fixed at one end of the cover handle, which is away from the cover plate, and the size of the positioning block is larger than that of the positioning hole.

By adopting the technical scheme, when the transmission rope is in a natural state, the positioning block is abutted against the surface of the connecting frame at the upper end of the positioning hole, so that the situation that the cover is not closed due to the sliding out of the cover handle is avoided, and the stability of the closing state of the cover is improved.

Optionally, the cover is equipped with spring one in the cover surface cover, spring one end and cover are fixed to be connected, and the other end is in contact with the link lower surface, when the cover is in closed state, spring one is in natural state.

By adopting the technical scheme, after the detection is finished, a part of cement materials with lighter mass still remain in the negative pressure sieve analyzer. After the detection is finished, when the cover is pulled to move upwards by the driving rope, the first spring is extruded, so that a buffer force is provided, and the influence of wind power and the like on stable placement of the detected materials caused by too fast opening of the cover is avoided.

Optionally, the pedal comprises a pedal plate, the pedal plate is positioned on the outer surface of the storage box, and a plurality of protrusions are arranged on the upper surface of the pedal plate.

Through adopting above-mentioned technical scheme, operating personnel when using the pedal, increase the frictional force between pedal and the operating personnel through the arch to the stability of operating personnel pedal has been improved.

Optionally, be fixed with the backing plate on the bin, the backing plate is located the pedal below, backing plate upper surface is fixed with a plurality of second springs, the one end that second springs deviate from the backing plate links to each other with the pedal is fixed.

Through adopting above-mentioned technical scheme, when stepping on the pedal, provide a buffering power through the spring two for the rotation of pedal is more stable. Meanwhile, the pedal can rebound to the initial position stably and conveniently when an operator does not act through the rebound force of the second spring on the base plate.

Optionally, a plurality of sliding grooves are formed in the inner wall of the positioning hole along the vertical direction, a plurality of sliding strips matched with the sliding grooves are circumferentially arranged on the outer surface of the cover handle, and the sliding strips are in sliding connection with the inner wall of the sliding grooves.

Through adopting above-mentioned technical scheme, when the lid is to the slip, slide at the spout inner wall through the draw runner for the lid is more stable at the slip of locating hole inner wall.

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

1. through the arrangement of the first spring, when the cover is pulled to move upwards by the driving rope after the detection is finished, the first spring is extruded to provide a buffer force, so that the influence of wind power and the like on stable placement of the detected materials caused by too fast opening of the cover is avoided;

2. through the arrangement of the bulges, when an operator uses the pedal, the friction between the pedal and the operator is increased through the bulges, so that the stability of the pedal stepped by the operator is improved;

3. through the setting of locating piece for when the driving rope is in natural state, the locating piece butt locating hole upper end link surface, avoided the lid to roll off and caused the circumstances that the lid did not make the closure effect, thereby promoted the stability of lid closure state.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a cement fineness negative pressure screen analyzer.

Fig. 2 is a schematic view of the structure of the protruding footrest.

Reference numerals illustrate: 1. a body; 11. a cover; 111. a cover handle; 1111. a positioning block; 1112. a first spring; 1113. a slide bar; 12. a rotating shaft; 13. a storage box; 14. a backing plate; 141. a second spring; 2. a foot pedal; 21. a driving rope; 22. a rotating rod; 23. a pedal; 231. a protrusion; 3. a connecting frame; 31. positioning holes; 311. and a sliding groove.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a cement fineness negative pressure screen analyzer.

Referring to fig. 1, the negative pressure screen analyzer for cement fineness comprises a machine body 1, wherein an organic cover 11 is arranged on the machine body 1, and a cover handle 111 is arranged on the upper surface of the organic cover 11. In the process of detecting the fineness of cement by negative pressure, the machine body 1 comprises a workbench and a detection part, wherein the workbench is used for observing data such as pressure; the detection portion is used for detecting cement materials. The detection part comprises a negative pressure sieve, and the cover 11 covers the negative pressure sieve to keep the cement material in a closed environment on the negative pressure sieve. The cover handle 111 is used for the operator to use the cover 11 so that the cover 11 can be opened and closed with the negative pressure screen.

Referring to fig. 1 and 2, the machine body 1 comprises a storage box 13 at the lower end, a pedal plate 2 is arranged in the storage box 13 along the width direction of the storage box 13, one end of the pedal plate 2 extends out of the surface of the storage box 13, one end of the pedal plate 2, which is away from the surface of the storage box 13, is provided with a driving rope 21, one end of the driving rope 21, which is away from the pedal plate 2, is fixedly connected with a cover handle 111, a rotating rod 22 is fixed at the middle shaft of the pedal plate 2 along the width direction of the storage box 13, the pedal plate 2 is rotatably connected with the storage box 13 through the rotating rod 22, a rotating shaft 12 is fixed in the storage box 13, and the driving rope 21 is slidably connected with one side, close to the lower surface of the storage box 13, of the rotating shaft 12. The storage box 13 stores the pedal plate 2, the driving rope 21 and the rotating shaft 12, so that dust pollution is reduced, and the service life is prolonged. The pedal plate 2 is convenient for an operator to tread, and the rotating rod 22 enables the operator to move upwards when stepping on one end of the pedal plate 2. The driving rope 21 is pulled to pull the cover handle 111 after being pulled by the position where the lower side of the rotating shaft 12 is abutted by the force of the upward movement of the pedal plate 2, so that the cover 11 is opened simply and conveniently.

Referring to fig. 1 and 2, the pedal plate 2 includes a pedal plate 23, the pedal plate 23 is located on the outer surface of the storage box 13, a plurality of protrusions 231 are arranged on the upper surface of the pedal plate 23, a base plate 14 is fixed on the storage box 13, the base plate 14 is located below the pedal plate 23, two springs 141 are fixed on the upper surface of the base plate 14, and one ends, away from the base plate 14, of the springs 141 are fixedly connected with the pedal plate 23. The pedal 23 is convenient for the operator to pedal. The protrusions 231 increase friction between the operator and the pedal 23, so that the operator uses the pedal 23 more effort-saving. The second spring 141 provides a buffering force for stepping on the pedal 23, and at the same time, when the operator does not use the pedal 23, the pedal 23 can be reset through rebound, so that the time of the operator is saved. The backing plate 14 supports the second spring 141.

Referring to fig. 1 and 2, a connecting frame 3 is provided at an upper end of a machine body 1, the connecting frame 3 is connected with the machine body 1 by bolts, a positioning hole 31 is provided in the connecting frame 3 along a vertical direction, and a cover handle 111 is slidably connected with an inner wall of the positioning hole 31. The outer surface of the cover handle 111 is sleeved with a first spring 1112, the end of the first spring 1112 is fixedly connected with the cover handle 111, the other end of the first spring 1112 is abutted against the lower surface of the connecting frame 3, and when the cover 11 is in a closed state, the first spring 1112 is in a natural state. The connecting frame 3 limits the moving position of the cover 11 in the opening and closing manner, and the positioning hole 31 enables the cover 11 to move only in the vertical direction, so that the fixing property of the cover 11 is improved, and the cover 11 can keep a closed negative pressure screen when being closed for a long time. The first spring 1112 buffers the ascending movement of the cover 11 in the connecting frame 3 to a certain extent, so that the movement of the cover 11 is more stable.

Referring to fig. 1 and 2, a plurality of sliding grooves 311 are formed in the inner wall of the positioning hole 31 along the vertical direction, a plurality of sliding strips 1113 matched with the sliding grooves 311 are circumferentially arranged on the outer surface of the cover handle 111, and the sliding strips 1113 are slidably connected with the inner wall of the sliding grooves 311. The slide bar 1113 slides on the inner wall of the chute 311 to limit the movement position of the cover handle 111, and also to stabilize the movement of the cover handle 111.

Referring to fig. 1 and 2, a positioning block 1111 is fixed to an end of the cover handle 111 facing away from the cover plate, and the size of the positioning block 1111 is larger than that of the positioning hole 31. The positioning block 1111 abuts against the surface of the connecting frame 3 at the upper end of the positioning hole 31, thereby avoiding the situation that the cover 11 does not perform the closing function due to the sliding out of the cover handle 111, and further improving the stability of the closing state of the cover 11

The implementation principle of the cement fineness negative pressure screen analysis instrument of the embodiment of the application is as follows: the operator places the cement material to be detected on the negative pressure screen, then carries the negative pressure screen, and simultaneously, the operator pedals the pedal 23 and pulls the cover handle 111 through the driving rope 21, so that the cover handle 111 moves upwards in the connecting frame 3, and the machine cover 11 is opened. After the negative pressure screen is placed on the detection part of the machine body 1, an operator is far away from the pedal plate 23, so that the machine cover 11 is covered on the negative pressure screen, and detection is started.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a cement fineness negative pressure sieve analysis appearance, includes organism (1), installs organic lid (11) on organism (1), and lid (111) are installed to lid (11) upper surface, its characterized in that: the utility model discloses a bicycle, including organism (1), footboard (2), driving rope (21) are equipped with along organism (1) width direction lower extreme, footboard (2) one end extends organism (1) surface, the one end that footboard (2) deviates from organism (1) surface is equipped with driving rope (21), the one end that driving rope (21) deviates from footboard (2) is fixed continuous with lid (111), axis department that organism (1) width direction was followed to footboard (2) is fixed with bull stick (22), footboard (2) are connected with organism (1) rotation through bull stick (22), organism (1) internal fixation has pivot (12), one side sliding connection that driving rope (21) and pivot (12) are close to organism (1) lower surface.

2. The cement fineness negative pressure screen analyzer according to claim 1, characterized in that: the machine body (1) comprises a storage box (13) at the lower end, and the foot pedal (2) and the rotating shaft (12) are both positioned in the storage box (13).

3. The cement fineness negative pressure screen analyzer according to claim 1, characterized in that: the machine body (1) upper end is equipped with link (3), link (3) pass through bolted connection with machine body (1), locating hole (31) have been seted up along vertical direction to link (3), lid handle (111) and locating hole (31) inner wall sliding connection.

4. A cement fineness negative pressure screen as claimed in claim 3, wherein: one end of the cover handle (111) deviating from the cover plate is fixedly provided with a positioning block (1111), and the size of the positioning block (1111) is larger than that of the positioning hole (31).

5. A cement fineness negative pressure screen as claimed in claim 3, wherein: the outer surface of the cover handle (111) is sleeved with a first spring (1112), the end of the first spring (1112) is fixedly connected with the cover handle (111), the other end of the first spring is abutted against the lower surface of the connecting frame (3), and when the cover (11) is in a closed state, the first spring (1112) is in a natural state.

6. The cement fineness negative pressure screen analyzer according to claim 1, characterized in that: the pedal (2) comprises a pedal (23), the pedal (23) is located on the outer surface of the storage box (13), and a plurality of protrusions (231) are arranged on the upper surface of the pedal (23).

7. The cement fineness negative pressure screen as claimed in claim 6, wherein: the storage box (13) is fixedly provided with a base plate (14), the base plate (14) is positioned below the pedal (23), the upper surface of the base plate (14) is fixedly provided with a plurality of springs II (141), and one end of each spring II (141) deviating from the base plate (14) is fixedly connected with the pedal (23).

8. A cement fineness negative pressure screen as claimed in claim 3, wherein: a plurality of sliding grooves (311) are formed in the inner wall of the positioning hole (31) in the vertical direction, a plurality of sliding strips (1113) matched with the sliding grooves (311) are circumferentially arranged on the outer surface of the cover handle (111), and the sliding strips (1113) are slidably connected with the inner wall of the sliding grooves (311).