Concrete delivery pump

Abstract

The utility model discloses a concrete delivery pump. The concrete delivery pump comprises a delivery pump main body, a hopper and feeding equipment, a filtering assembly is arranged on the upper portion in the hopper, a motor drives a chain wheel to drive a center shaft to rotate, bevel teeth on a roller are in meshing transmission with conical holes of a net belt, and the net belt is driven to circularly move to achieve concrete filtering. The mesh belt is of a stainless steel metal woven structure, and the taper holes can filter large-particle impurities in concrete. The cleaning shaft rotates at a high speed through chain transmission to drive the steel brush to clean impurities on the surface of the mesh belt, and the impurities are automatically discharged through the guide inclined plate. The rotatable counterweight plate is arranged at the top of the conveying pump, the mesh belt is pressed by self weight to assist in discharging, and large-particle impurities can be automatically avoided. The device realizes automatic filtration and impurity removal of concrete, effectively prevents the mesh belt from being blocked, and ensures the conveying continuity; the steel brush cleaning mechanism avoids impurity accumulation, the design of the balance weight plate can assist in discharging and can automatically avoid, the overall structure is simple and reliable, and the concrete conveying efficiency and quality are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of concrete pump technology, specifically a concrete conveying pump. Background Technology

[0002] A concrete pump is a device used to transport concrete from one place to another. When the concrete contains large materials, such as sand or stones, it can easily cause blockages or severe wear on the conveying pipeline, leading to damage. The large volume of materials in the concrete pump can also affect the conveying efficiency. In addition, the large sand and stones in the concrete can be affected by the filtration at the hopper of the concrete pump, thus affecting its overall filtration efficiency.

[0003] Publication No. CN222717013U discloses a concrete conveying pump, including a concrete conveying pump machine. A hopper is installed on one outer wall of the concrete conveying pump machine, and a mounting base is installed on the lower part of one inner wall of the hopper. A feeding box is installed on the upper part of one outer wall of the hopper. Its structure is reasonable. This utility model uses a spring, a vibrator, and an inclined plate to slide a filter plate with a moving block through a through hole onto the outer wall of a column on the mounting base. The spring is located below the outer wall of the column. Utilizing the elastic vibration effect of the spring, combined with the vibrator on the filter plate, the filter plate can be effectively vibrated. When concrete material is poured into the hopper, it is filtered by the filter plate. During this process, the spring and vibrator can effectively filter and separate larger sand and gravel in the concrete material. However, this patent still has the following problems in actual use:

[0004] The above-mentioned device achieves filtration through shaking, but the filtered impurities may still get stuck on the filter screen. Simple shaking cannot ensure that the filter screen remains unobstructed at all times, and the filter screen still needs to be cleaned and maintained afterward, which increases maintenance costs. In addition, the above-mentioned device uses parts such as springs, which are prone to wear or aging in the working conditions of concrete pumps, making maintenance difficult and increasing the instability of the equipment.

[0005] A concrete delivery pump is proposed to address the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a concrete conveying pump to solve the problems mentioned in the background art. The above-mentioned device achieves filtration by shaking, but the filtered impurities may still get stuck on the filter screen. Simple shaking cannot ensure that the filter screen is always unobstructed, and the filter screen still needs to be cleaned and maintained, which increases the maintenance cost. In addition, the above-mentioned device uses springs and other parts, which are prone to wear or aging in the working conditions of concrete pumps, making them difficult to maintain and increasing the instability of the equipment.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a concrete conveying pump, comprising a conveying pump body, the conveying pump body including a hopper, and a feeding device provided above the hopper;

[0008] A filter assembly is provided above the interior of the hopper. The filter assembly includes a pair of central shafts rotatably mounted on both sides above the interior of the hopper. Rollers are fixedly connected to the outside of the central shafts. Conical teeth are fixedly connected to the outside of the rollers. A mesh belt is sleeved between the two rollers. Conical holes are opened on the mesh belt.

[0009] The hopper is fixedly connected to an arch frame on one side, and a first motor is fixedly connected to the outer side of the arch frame. A first sprocket is fixedly connected to the output end of the first motor. A cleaning shaft is provided diagonally below one of the rollers. A steel brush is fixedly connected to the outside of the cleaning shaft. A connecting column is fixedly connected to one end of the cleaning shaft. A second sprocket is fixedly connected to the outside of the connecting column. A discharge port is provided on the side of the conveying pump body near the cleaning shaft. A guide plate is fixedly connected to the middle of the discharge port. A chain is meshed between the first sprocket and the second sprocket. A guide assembly is provided on the top of the conveying pump body.

[0010] Preferably, the bevel teeth are engaged with the bevel hole.

[0011] Preferably, one of the central shafts rotates out of the delivery pump body and is fixedly connected to the first sprocket.

[0012] Preferably, the steel brush is attached to the mesh belt.

[0013] Preferably, the top of the guide ramp is located below the cleaning shaft, and the guide ramp is inclined.

[0014] Preferably, the guiding component includes a pair of support plates, the support plates being fixed to both sides of the top of the hopper, a suspension shaft being rotatably connected between the two support plates, and a pair of counterweight plates being rotatably connected to the outside of the suspension shaft.

[0015] Preferably, the counterweight plate is inclined, and the bottom of the counterweight plate is in contact with the top surface of the mesh belt.

[0016] Compared with the prior art, the beneficial effects of this utility model are: this concrete conveying pump achieves automatic filtration of concrete through the meshing motion of a mesh belt and a conical hole, and utilizes a cleaning mechanism to prevent impurity accumulation, ensuring a highly efficient and stable filtration effect. The specific details are as follows:

[0017] 1. The central shaft drives the drum to rotate, and the meshing of the conical teeth and conical holes drives the mesh belt to move, enabling efficient filtration of concrete during transportation. The main body of concrete smoothly falls into the hopper through the conical holes, while larger stones and impurities are intercepted above the mesh belt and moved with it to the guide plate for discharge. The conical teeth automatically push out any stuck impurities as they pass through the conical holes, effectively preventing blockage and ensuring the long-term stable operation of the filtration system. Simultaneously, the first sprocket drives the second sprocket via a chain, causing the cleaning shaft to rotate at high speed, allowing the steel brush to continuously clean the mesh belt, preventing the adhesion of light impurities and further improving filtration efficiency. The cleaned impurities slide down the guide plate to the discharge port for easy collection, reducing the need for manual cleaning, increasing automation, and lowering maintenance costs.

[0018] 2. An angled counterweight plate adheres to the surface of the conveyor belt, using its own weight and acute-angle structure to propel the concrete through the conical holes and reduce residue. As the conveyor belt moves, a small amount of concrete adhering to the lower surface is squeezed off upon contact with the rollers, ensuring complete material entry into the hopper and preventing waste. Furthermore, the suspension shaft features a rotatable design; when larger impurities become lodged in the conical holes, the impurities will push the suspension shaft aside, preventing hard jamming or structural damage, and improving the system's anti-interference capability and durability. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the hopper;

[0021] Figure 3 This is a schematic diagram of the back structure of the hopper;

[0022] Figure 4 This is a schematic diagram of the installation structure of the conveyor belt and the guide plate;

[0023] Figure 5 This is a schematic diagram of the roller installation structure.

[0024] In the diagram: 1. Conveying pump body; 101. Hopper; 2. Filter assembly; 201. Central shaft; 202. Roller; 203. Bevel gear; 204. Mesh belt; 205. Conical hole; 206. Arch frame; 207. First motor; 208. First sprocket; 209. Cleaning shaft; 210. Steel brush; 211. Connecting column; 212. Second sprocket; 213. Discharge port; 214. Guide ramp; 215. Chain; 3. Guide assembly; 301. Support plate; 302. Suspension shaft; 303. Counterweight plate; 4. Feeding equipment. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 The present invention provides a technical solution: a concrete conveying pump, including a conveying pump body 1, the conveying pump body 1 including a hopper 101, and a feeding device 4 provided above the hopper 101; the hopper 101 is used to receive and temporarily store concrete, and the feeding device 4 is used to introduce the mixed concrete into the hopper 101.

[0027] A filter assembly 2 is installed above the interior of the hopper 101. The filter assembly 2 includes a pair of central shafts 201 rotatably mounted on both sides of the upper interior of the hopper 101. A roller 202 is fixedly connected to the outside of the central shaft 201. A conical tooth 203 is fixedly connected to the outside of the roller 202. A mesh belt 204 is sleeved between the two rollers 202. A conical hole 205 is opened on the mesh belt 204. The mesh belt 204 is made of stainless steel woven mesh belt, which has sufficient flexibility and wear resistance. The meshing of the conical tooth 203 and the conical hole 205 can drive the mesh belt 204 to move in a cycle, so as to achieve continuous filtration of concrete.

[0028] The hopper 101 is fixedly connected to one side of an arch frame 206. A first motor 207 is fixedly connected to the outer side of the arch frame 206. A first sprocket 208 is fixedly connected to the output end of the first motor 207. A cleaning shaft 209 is provided diagonally below a roller 202. A steel brush 210 is fixedly connected to the outside of the cleaning shaft 209. A connecting post 211 is fixedly connected to one end of the cleaning shaft 209. A second sprocket 212 is fixedly connected to the outside of the connecting post 211. A discharge port 213 is provided on the side of the pump body 1 near the cleaning shaft 209. A guide plate 214 is fixedly connected to the middle of the discharge port 213. A chain 215 meshes between the first sprocket 208 and the second sprocket 212. A guide assembly 3 is provided on the top of the pump body 1. The first motor 207 drives the mesh belt 204 to move through the sprocket and chain drive, while simultaneously driving the steel brush 210 to rotate at high speed, cleaning the surface of the mesh belt 204 and preventing the accumulation of impurities.

[0029] The bevel teeth 203 mesh with the conical holes 205. The bevel teeth 203 are evenly distributed around the circumference of the roller 202 and match the conical holes 205 on the mesh belt 204 to ensure smooth and reliable transmission. The diameter of the conical holes 205 is larger than the diameter of the bevel teeth 203.

[0030] A central shaft 201 extends rotatably from the main body 1 of the delivery pump and is fixedly connected to a first sprocket 208. This design allows the first motor 207 to directly drive the central shaft 201 to rotate via sprocket transmission.

[0031] The steel brush 210 is attached to the mesh belt 204. When rotating at high speed, the steel brush 210 can effectively remove light impurities adhering to the surface of the mesh belt 204, maintaining the filtration effect.

[0032] The top of the guide ramp 214 is located below the cleaning shaft 209, and the guide ramp 214 is set at an angle. The removed impurities slide down the guide ramp 214 to the discharge port 213 for automatic collection.

[0033] The guide assembly 3 includes a pair of support plates 301, which are fixed to the top sides of the hopper 101. A suspension shaft 302 is rotatably connected between the two support plates 301, and a pair of counterweight plates 303 are rotatably connected to the outside of the suspension shaft 302. The counterweight plates 303 can rotate freely around the suspension shaft 302.

[0034] The counterweight plate 303 is inclined, and its bottom is in contact with the top surface of the mesh belt 204. The counterweight plate 303 presses the mesh belt 204 with its own weight, pushing the concrete through the cone hole 205 and falling. At the same time, it can be lifted and rotated by impurities to avoid jamming.

[0035] Working principle: Before using this type of concrete pump, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 5 As shown, starting the first motor 207 causes the first sprocket 208 to rotate, thereby causing the central shaft 201 and the arch frame 206 to rotate. The rotation of the central shaft 201 drives the roller 202 to rotate. With the engagement of the conical teeth 203 and the conical hole 205, the mesh belt 204 moves. At the same time, the feeding device 4 adds the mixed concrete to the hopper 101. The main part of the concrete can fall into the hopper 101 through the conical hole 205. However, the larger stones and impurities mixed in the concrete can be filtered by the conical hole 205 and will be located above the mesh belt 204. Then, as the conical hole 205 moves, it moves to the guide inclined plate 214. When the conical teeth 203 pass through the conical hole 205, the impurities stuck in the conical hole 205 are pushed out, automatically avoiding the residue of impurities clogging the conical hole 205.

[0036] Furthermore, the first sprocket 208 drives the chain 215, which in turn drives the second sprocket 212 to rotate the cleaning shaft 209 rapidly. This causes the steel brush 210 to clean the mesh belt 204, preventing lighter impurities from adhering to the outside of the mesh belt 204. The cleaned impurities and stones fall onto the guide plate 214 and then fall down the slope of the guide plate 214. They are then collected through the discharge port 213 using an external collection basin.

[0037] The counterweight plate 303, which is set at an angle, is attached to the surface of the mesh belt 204. The acute angle formed by the mesh belt 204 and the counterweight plate 303 faces the direction of movement of the mesh belt 204. This allows the concrete on the mesh belt 204 to be pushed through the cone hole 205 and fall under the weight of the counterweight plate 303. A small amount of concrete remaining on the lower surface of the mesh belt 204 will come into contact with the roller 202 and be squeezed off when it comes into contact with the roller 202.

[0038] Furthermore, the protruding impurities stuck in the conical hole 205 will push the suspension shaft 302 to rotate when they come into contact with it, thus avoiding their own position.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A concrete conveying pump, comprising a conveying pump body (1), the conveying pump body (1) comprising a hopper (101), and a feeding device (4) provided above the hopper (101). Its features are, Also includes: A filter assembly (2) is provided above the interior of the hopper (101). The filter assembly (2) includes a pair of central shafts (201) rotatably mounted on both sides above the interior of the hopper (101). A roller (202) is fixedly connected to the outside of the central shaft (201). A bevel tooth (203) is fixedly connected to the outside of the roller (202). A mesh belt (204) is sleeved between the two rollers (202). A conical hole (205) is opened on the mesh belt (204). Among them, an arch frame (206) is fixedly connected to one side of the hopper (101), a first motor (207) is fixedly connected to the outside of the arch frame (206), a first sprocket (208) is fixedly connected to the output end of the first motor (207), a cleaning shaft (209) is provided at the lower side of one of the rollers (202), a steel brush (210) is fixedly connected to the outside of the cleaning shaft (209), a connecting column (211) is fixedly connected to one end of the cleaning shaft (209), a second sprocket (212) is fixedly connected to the outside of the connecting column (211), a discharge port (213) is provided on the side of the conveying pump body (1) near the cleaning shaft (209), a guide inclined plate (214) is fixedly connected to the middle of the discharge port (213), a chain (215) is meshed between the first sprocket (208) and the second sprocket (212), and a guide assembly (3) is provided on the top of the conveying pump body (1).

2. A concrete conveying pump according to claim 1, characterized in that: The bevel teeth (203) are engaged with the bevel holes (205).

3. A concrete conveying pump according to claim 1, characterized in that: One of the central shafts (201) rotates out of the delivery pump body (1) and is fixedly connected to the first sprocket (208).

4. A concrete conveying pump according to claim 1, characterized in that: The steel brush (210) is attached to the mesh belt (204).

5. A concrete conveying pump according to claim 1, characterized in that: The top of the guide ramp (214) is located below the cleaning shaft (209), and the guide ramp (214) is inclined.

6. A concrete conveying pump according to claim 1, characterized in that: The guide assembly (3) includes a pair of support plates (301), which are fixed to the top sides of the hopper (101). A suspension shaft (302) is rotatably connected between the two support plates (301), and a pair of counterweight plates (303) are rotatably connected to the outside of the suspension shaft (302).

7. A concrete conveying pump according to claim 6, characterized in that: The counterweight plate (303) is inclined, and the bottom of the counterweight plate (303) is in contact with the top surface of the mesh belt (204).

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