CN217909132U - Mortar filtering device - Google Patents

Abstract

The utility model discloses a mortar filter equipment, include: the filter comprises a cylinder body, a cover plate and a filter screen, wherein the cylinder body is provided with a circulation cavity, a feed inlet, a discharge outlet and an operation opening, and the circulation cavity is communicated with the feed inlet, the discharge outlet and the operation opening; the apron can open and shut and cover and locate on the operation mouth, and the filter screen is located the circulation intracavity and is located operation mouth department, and feed inlet and discharge gate are located the both sides of filter screen respectively. Therefore, when the filter screen needs to be cleaned, an operator can directly and quickly take out the filter screen from the flow cavity so as to be convenient to clean; meanwhile, after the filter screen is cleaned, the filter screen can be directly placed into the circulation cavity from the operation opening again. Therefore, the filter screen can be taken quickly.

Description

Mortar filtering device

Technical Field

The utility model belongs to the technical field of the filter equipment technique and specifically relates to a mortar filter equipment is related to.

Background

With the rapid development of economy and the promotion of urbanization process in China, the construction space of medium and large-sized cities gradually develops towards underground and high-rise buildings, wherein subway construction is an essential part in urban underground traffic construction. In subway construction, the shield method is safe and reliable, and can realize full-automatic operation in the whole construction process, so the shield method becomes one of the mainstream modes in subway construction.

In urban shield construction, mortar delivery is an indispensable part of the construction. Generally, after the mortar is sufficiently stirred in the stirring tank, the mortar is transferred to a middle-plate mortar storage tank and then transferred to a trolley for use. When the mortar is stirred, the solidified mortar hung on the wall of the stirring box may fall off or other foreign matters enter during stirring, and the mortar quality does not meet the use standard due to the phenomenon. For this purpose, a filter device is often provided between the agitator tank and the intermediate pulp tank to remove such impurities. In order to prevent the filter screen from being blocked by the impurities, an operator needs to regularly remove the filter screen from the filter device to clean the filter screen. However, when the filter screen needs to be cleaned, the filter screen is difficult to take out, or after the cleaning, the filter screen is difficult to put in, so that the production efficiency and the engineering progress are influenced while time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a mortar filtering device, which has a simple structure and can effectively improve the convenience of disassembling and assembling the filter screen.

A mortar filtering device comprising: the filter comprises a cylinder body, a cover plate and a filter screen, wherein the cylinder body is provided with a circulation cavity, a feed inlet, a discharge outlet and an operation opening, and the circulation cavity is communicated with the feed inlet, the discharge outlet and the operation opening; the apron openable cover is located on the operation mouth, the filter screen is located the circulation intracavity just is located operation mouth department, the feed inlet reaches the discharge gate is located respectively the both sides of filter screen.

Because the barrel is provided with the operation opening communicated with the circulation cavity, and the filter screen is positioned at the operation opening, when the filter screen needs to be cleaned, an operator can directly and quickly take out the filter screen from the circulation cavity so as to be convenient to clean; meanwhile, after the filter screen is cleaned, the filter screen can be directly placed into the circulation cavity from the operation opening again. Therefore, the filter screen can be taken quickly. In addition, because the apron can be opened and shut and cover and locate on the operation mouth, feed inlet and discharge gate are located the both sides of filter screen respectively, consequently, when needs filter the mortar and carry to the medium plate mud storage tank by the agitator tank in, can make the apron lid establish in operation mouth department to directly communicate the export of feed inlet and agitator tank, the import of discharge gate and medium plate mud storage tank communicates, so, can realize the transport of mortar, simultaneously, still intercepted debris in the mortar so that the mortar quality meets the requirements through the filter screen.

The technical solution is further explained below:

in one embodiment, the device further comprises a rotating part, and the cover plate is rotationally connected with the cylinder body through the rotating part, so that the cover plate has a first state and a second state; when the cover plate is in the first state, the cover plate is covered on the operation opening; when the cover plate is in the second state, the cover plate is separated from the operation opening.

In one embodiment, the inner wall of barrel is equipped with first draw-in groove, first draw-in groove is located operation mouthful department, and the direction of first draw-in groove is followed the circumferential direction setting of barrel, first draw-in groove is used for the card to hold the filter screen.

In one embodiment, a surface of the cover plate facing the circulation chamber when the cover plate is placed on the operation opening is called a working surface, the working surface is provided with a second clamping groove, and when the cover plate is in the first state, the second clamping groove is communicated with the first clamping groove to form an annular clamping groove.

In one embodiment, the working surface is provided with a sealing ring, and when the cover plate is in the first state, the sealing ring is pressed between the working surface of the cover plate and the outer wall of the cylinder body.

In one embodiment, the working surface is provided with an annular positioning groove, the sealing ring is clamped in the annular positioning groove, and the depth of the annular positioning groove is smaller than the thickness of the sealing ring.

In one embodiment, the side of the cover plate facing away from the working surface is called an operation surface, and a handle is arranged on the operation surface.

In one embodiment, the cylinder body is provided with a locking ring, the locking ring is arranged on the cover plate, and the locking member is connected with the locking ring when the cover plate is in the first state.

In one embodiment, the locking member includes a screw and a wing nut, the screw is fixedly connected to the outer wall of the cylinder, the locking ring is located at one end of the cover plate away from the rotating member, when the cover plate is in the first state, the locking ring is sleeved on the screw, the wing nut is in threaded connection with the screw, and the wing nut and the locking ring are in press fit. Locking piece

In one embodiment, the device further comprises a first flange and a second flange, the feeding port and the discharging port are respectively located at two ends of the cylinder, the first flange is arranged at the feeding port and connected with the cylinder, and the second flange is arranged at the discharging port and connected with the cylinder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Furthermore, the drawings are not to scale of 1. In the drawings:

fig. 1 is a schematic structural view of a mortar filtering device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another view angle of the mortar filtering device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another viewing angle of the mortar filtering device according to an embodiment of the present invention.

The elements in the figure are labeled as follows:

10. a mortar filtering device; 110. a barrel; 111. a flow-through chamber; 112. a discharge port; 113. an operation port; 114. a first card slot; 120. a cover plate; 121. a working surface; 1211. a second card slot; 1212. positioning a groove; 122. an operation surface; 130. filtering with a screen; 140. a hinge; 150. a handle; 160. a locking member; 161. a screw; 162. a butterfly nut; 170. a locking ring; 180. a first flange; 190. a second flange; 191. a through hole; 192. and (6) sealing rings.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, an embodiment of the present disclosure provides a mortar filtering device 10, including: a cylinder 110, a cover plate 120 and a filter screen 130. The cylinder 110 is provided with a circulation chamber 111, a feed inlet (not shown), a discharge outlet 112 and an operation port 113. The flow chamber 111 is in communication with the inlet port, the outlet port 112 and the handle port 113. The cover plate 120 is disposed on the operation opening 113 in an openable and closable manner. A screen 130 is disposed within the recirculation chamber 111 at the handle opening 113. The inlet and outlet 112 are located at two sides of the filter screen 130.

Because the cylinder body 110 is provided with the operation opening 113 communicated with the circulation cavity 111, and the filter screen 130 is positioned at the operation opening 113, when the filter screen 130 needs to be cleaned, an operator can directly and quickly take out the filter screen 130 from the circulation cavity 111 so as to be convenient for cleaning; meanwhile, after the filter 130 is cleaned, the filter 130 may be directly placed into the circulation chamber 111 again through the operation hole 113. Thus, the filter screen 130 can be taken out quickly. In addition, because apron 120 openable cover is located on operation mouth 113, feed inlet and discharge gate 112 are located the both sides of filter screen 130 respectively, consequently, when needs filter the mortar and carry to the well board mud storage tank by the agitator tank in, can make apron 120 lid establish in operation mouth 113 department, and directly communicate the export of feed inlet and agitator tank, discharge gate 112 and the import of well board mud storage tank intercommunication, so, can realize the transport of mortar, simultaneously, still intercept debris in the mortar so that the mortar quality meets the requirements through filter screen 130.

In this embodiment, the agitator tank is usually located above the ground surface with reference to the ground surface, and the middle-plate slurry tank is located below the ground surface.

Referring to fig. 1 and fig. 2, in addition to the above embodiments, in an embodiment, the mortar filtering device 10 further includes a rotating member. The cover plate 120 is rotatably coupled to the cylinder 110 by a rotating member such that the cover plate 120 has a first state and a second state. When the cover plate 120 is in the first state, the cover plate 120 covers the operation opening 113. When the cover plate 120 is in the second state, the cover plate 120 is disengaged from the operation port 113. Thus, the state of the cover plate 120 can be conveniently switched by an operator.

In the present embodiment, the phrase "the cover plate 120 is separated from the operation opening 113" means that the cover plate 120 is not disposed on the operation opening 113.

Specifically, in the present embodiment, when the cover plate 120 is in the second state, although the cover plate 120 is not covered on the operation opening 113, the cover plate 120 is still connected to the barrel 110, so that the cover plate 120 is prevented from being lost, and meanwhile, it is convenient for an operator to switch the cover plate 120 from the second state to the first state.

Alternatively, the rotating members include, but are not limited to, hinges 140, shafts, or other rotating members.

Specifically, in the present embodiment, the rotating member is a hinge 140.

In order to improve the stability of the filter screen 130 placed in the cylinder 110, as shown in fig. 1, on the basis of the above embodiment, in an embodiment, the inner wall of the cylinder 110 is provided with a first locking groove 114. The first locking groove 114 is located at the operation port 113, and a guiding direction of the first locking groove 114 is arranged along a circumferential direction of the cylinder 110. The first engaging groove 114 is used for engaging the filter 130. So, can improve filter screen 130's stability still can realize installing fast and dismantling filter screen 130 simultaneously, save operating time.

Optionally, in other embodiments, the screen 130 may be disposed within the recirculation chamber 111 by bonding.

In an embodiment, the operator may also replace the filter screens 130 with different aperture sizes according to actual requirements, so as to avoid the mortar from being jammed in the circulation cavity 111, and make the mortar be more smoothly and stably conveyed.

Since all areas of the screen 130 may be impacted when mortar is conveyed in the circulation chamber 111, referring to fig. 1, in order to improve stability of the screen 130 during use, on the basis of the above embodiment, one surface of the cover plate 120 facing the circulation chamber 111 when covering the operation opening 113 is referred to as a working surface 121. The working surface 121 is provided with a second card slot 1211. When the cover 120 is in the first state, the second slot 1211 communicates with the first slot 114 to form an annular slot.

In order to tightly cover the operation opening 113 with the cover plate 120, in addition to the above embodiments, in one embodiment, the working surface 121 is provided with a sealing ring (not shown). When the cover plate 120 is in the first state, the sealing ring is pressed between the working surface 121 of the cover plate 120 and the outer wall of the cylinder 110. In this way, mortar in the circulation chamber 111 can be prevented from flowing out of the operation port 113.

In order to improve the sealing reliability, as shown in fig. 1, on the basis of the above embodiment, in an embodiment, the working surface 121 is provided with an annular positioning groove 1212. The sealing ring is clamped in the annular positioning groove 1212, and the depth of the annular positioning groove 1212 is smaller than the thickness of the sealing ring. So, can avoid the sealing washer to appear rocking and lead to the leakproofness relatively poor in extrusion process.

Referring to fig. 2 and fig. 3, on the basis of the above embodiments, in one embodiment, a side of the cover plate 120 away from the working surface 121 is referred to as an operation surface 122. Handle 150 is provided on operation surface 122. Therefore, the cover plate 120 can be conveniently opened and closed by an operator, and the operation efficiency is improved.

Referring to fig. 1 to 3, in an embodiment based on the above embodiments, the mortar filtering apparatus 10 further includes a locking member 160. The locking member 160 is provided on the cylinder 110. The cover plate 120 is provided with a locking ring 170. Retaining member 160 is coupled to locking ring 170 when cover plate 120 is in the first state. Therefore, during operation, the cover plate 120 can be effectively prevented from being switched from the first state to the second state due to the mortar in the circulation cavity 111 impacting the cover plate 120, and further the conveying operation of the mortar is affected, in other words, the stability of the mortar filtering device 10 during operation is improved.

Specifically, in the present embodiment, as shown in fig. 2, the locking member 160 includes a screw 161 and a wing nut 162. The screw 161 is fixedly connected with the outer wall of the cylinder 110. The locking ring 170 is located at the end of the cover plate 120 remote from the rotating member. When the cover plate 120 is in the first state, the locking ring 170 is sleeved outside the screw 161, the wing nut 162 is screwed on the screw 161, and the wing nut 162 is in press fit with the locking ring 170. Thus, the cover plate 120 can be tightly covered on the discharge hole 112.

Alternatively, in other embodiments, the locking member 160 is a snap that is secured to the outer wall of the barrel 110 and the locking ring 170 is a snap ring. In this way, the cover plate 120 and the barrel 110 can be fixedly connected by clamping.

With reference to fig. 1 to fig. 3, in addition to the above embodiments, in an embodiment, the mortar filtering device 10 further includes a first flange 180 and a second flange 190. The feed port and the discharge port 112 are respectively located at both ends of the barrel 110. The first flange 180 is disposed at the feed inlet and connected to the barrel 110. The second flange 190 is disposed at the discharge port 112 and connected to the cylinder 110.

Specifically, referring to fig. 1 and 3, a plurality of through holes 191 are formed on each of the first flange 180 and the second flange 190. On the first flange 180, a plurality of through holes 191 are provided at intervals in the circumferential direction of the first flange 180. On the second flange 190, a plurality of through holes 191 are also provided at intervals in the circumferential direction of the second flange 190. When the mortar filtering device 10 needs to be connected between the stirring tank and the middle plate mortar storage tank, bolts can be used to penetrate through the through holes 191 on the first flange 180 to be connected with the stirring tank, and the feeding hole of the cylinder body 110 is communicated with the outlet of the stirring tank. Meanwhile, a bolt is used to pass through a through hole 191 of the second flange 190 to connect with the middle plate slurry tank, and the discharge hole 112 of the cylinder 110 is communicated with the inlet of the middle plate slurry tank.

Further, in order to improve the sealing property after the cylinder 110 is connected with the stirring box and the middle plate slurry storage tank. With continued reference to fig. 1 and 3, a sealing ring 192 is disposed on both a side of the first flange 180 facing away from the cylinder 110 and a side of the second flange 190 facing away from the cylinder 110. Thus, when the feed inlet of the cylinder 110 is communicated with the outlet of the stirring box, and the discharge outlet 112 of the cylinder 110 is communicated with the inlet of the middle plate slurry storage tank, slurry can be effectively sealed from overflowing from the joint.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A mortar filtering device, comprising: the filter comprises a cylinder body, a cover plate and a filter screen, wherein the cylinder body is provided with a circulation cavity, a feed inlet, a discharge outlet and an operation opening, and the circulation cavity is communicated with the feed inlet, the discharge outlet and the operation opening; the apron openable cover is located on the operation mouth, the filter screen is located the circulation intracavity just is located operation mouth department, the feed inlet reaches the discharge gate is located respectively the both sides of filter screen.

2. The mortar filtering device of claim 1, further comprising a rotating member by which the cover plate is rotatably coupled to the barrel such that the cover plate has a first state and a second state; when the cover plate is in the first state, the cover plate is covered on the operation opening; when the cover plate is in the second state, the cover plate is separated from the operation opening.

3. The mortar filtering device according to claim 2, wherein the inner wall of the barrel is provided with a first clamping groove, the first clamping groove is located at the operation opening, the guiding direction of the first clamping groove is arranged along the circumferential direction of the barrel, and the first clamping groove is used for clamping the filter screen.

4. The mortar filtering device of claim 3, wherein a surface of the cover plate facing the circulation cavity when the cover plate is covered on the operation opening is called a working surface, the working surface is provided with a second clamping groove, and when the cover plate is in the first state, the second clamping groove is communicated with the first clamping groove to form an annular clamping groove.

5. The mortar filtering device of claim 4, wherein the working surface is provided with a sealing ring, and when the cover plate is in the first state, the sealing ring is pressed between the working surface of the cover plate and the outer wall of the barrel.

6. The mortar filtering device of claim 5, wherein the working surface is provided with an annular positioning groove, the sealing ring is clamped in the annular positioning groove, and the depth of the annular positioning groove is smaller than the thickness of the sealing ring.

7. The mortar filtering device of claim 4, wherein the side of the cover plate facing away from the working surface is called an operating surface, and the operating surface is provided with a handle.

8. The mortar filtering device of claim 2, further comprising a retaining member disposed on the barrel, the cover plate having a locking ring thereon, the retaining member being coupled to the locking ring when the cover plate is in the first state.

9. The mortar filtering device of claim 8, wherein the locking member includes a screw and a wing nut, the screw is fixedly connected with the outer wall of the barrel, the locking ring is located at an end of the cover plate away from the rotating member, when the cover plate is in the first state, the locking ring is sleeved outside the screw, the wing nut is in threaded connection with the screw, and the wing nut is in press fit with the locking ring.

10. The mortar filtering device of any one of claims 1-9, further comprising a first flange and a second flange, wherein the feed port and the discharge port are located at two ends of the barrel, the first flange is disposed at the feed port and connected to the barrel, and the second flange is disposed at the discharge port and connected to the barrel.

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