Front anti-explosion cement tank feeding and discharging port

Abstract

The utility model relates to a front anti-explosion cement tank feeding and discharging port, which belongs to the technical field of cement conveying equipment and comprises a cement tank body arranged on a cement tank truck, a tank body flange is arranged at one end of the cement tank body close to a cab of the cement tank truck, a bearing is connected to the outer side of the tank body flange, and a retainer ring is connected to the outer side of the bearing. A cover plate is arranged on the outer side of the check ring, a feeding port and a discharging port are formed in the cover plate, the discharging port is connected with a sealing mechanism, a first sealing washer is arranged between the tank flange and the bearing, and a second sealing washer and a third sealing washer are arranged on the two sides of the check ring respectively. The front cement tank feeding and discharging port is high in sealing performance, mud throwing is better prevented, a driver can control the hydraulic discharging position in the whole process in a cab due to the fact that the discharging port is arranged in the front, pouring is achieved while walking is conducted, the front cement tank is particularly suitable for mine construction, and construction efficiency is improved. In addition, a mine driver can better observe the construction state in the unloading process, blind areas are reduced, and the safety of construction operation is improved.

Description

Technical Field

[0001] The utility model relates to a front explosion-proof cement tank inlet and outlet, belonging to the technical field of cement conveying equipment. Background Art

[0002] Cement tank trucks usually use compressed air to fluidize the cement powder in the cement tank body, and then transport it through the discharge valve and pipeline. The current cement tank body inlet and outlet have the following problems: 1. The inlet and outlet are set at the rear of the cement tank truck, and the driver cannot see the inlet and outlet in the cab, which is not conducive to construction and reduces construction efficiency; 2. The inlet and outlet are not designed reasonably and have poor sealing, which causes cement to throw mud during unloading or operation. Utility Model Content

[0003] The utility model provides a front explosion-proof cement tank inlet and outlet, which solves the problems in the above-mentioned background technology.

[0004] The utility model relates to a front explosion-proof cement tank inlet and outlet, comprising a cement tank body arranged on a cement tank truck, a tank body flange is arranged at one end of the cement tank body close to a cab of the cement tank truck, a bearing is connected to the outer side of the tank body flange, a retaining ring is connected to the outer side of the bearing, a cover plate is arranged on the outer side of the retaining ring, a feed port and a discharge port are arranged on the cover plate, a closing mechanism is connected to the discharge port, a sealing gasket 1 is arranged between the tank body flange and the bearing, and sealing gaskets 2 and 3 are respectively arranged on both sides of the retaining ring.

[0005] As a preferred embodiment, the closing mechanism includes a sealing plate rotatably mounted on the cover plate and arranged outside the discharge port. A hydraulic cylinder is provided on the outside of the sealing plate, and the hydraulic cylinder is connected to a distribution valve to facilitate the control of opening the sealing plate for unloading.

[0006] As a preferred embodiment, a discharge shaft is fixed to the upper end of the sealing plate, ear plates are rotatably installed at both ends of the discharge shaft, the ear plates are fixed to the cover plate, a sealing pad is fixed to the inner wall of the sealing plate, a pin shaft 1 is rotatably installed on the outer wall of the sealing plate, the pin shaft 1 is fixed to the hydraulic cylinder, and a pin shaft 2 is fixed to the upper end of the hydraulic cylinder. The structure is simple and easy to use.

[0007] As a preferred embodiment, a feed hopper is fixed on the outer side of the feed port, and the second pin is rotatably mounted on the feed hopper.

[0008] As a preferred embodiment, a clamping plate is provided on the inner side of the sealing pad, and a plurality of connecting studs are fixed to the outer end of the clamping plate. The connecting studs pass through the sealing pad and the sealing plate and are connected with locking nuts. The setting of the clamping plate can facilitate the replacement of the sealing pad, and the pressure of the connecting studs will not be directly pressed on the sealing pad, thereby better preventing the sealing pad from being directly crushed.

[0009] As a preferred embodiment, the cover plate includes a supporting ring plate, a connecting flange for compressing the sealing gasket 2 is fixed on the outer side of the inner end of the supporting ring plate, a closing plate is fixed on the outer end of the supporting ring plate, the cover plate structure is more stable, the feed port is arranged at the upper part of the closing plate, the discharge port is arranged at the lower part of the closing plate, a fixing plate is fixed on the inner side of the top of the feed hopper, and the bottom of the fixing plate is provided with a fixed arc surface matching the outer side wall of the supporting ring plate, so that the structure of the feed hopper is more stable.

[0010] As a preferred embodiment, a support frame is fixed on the inner side of the support ring plate, and the support frame is fixed on the frame of the cement tank truck, so as to facilitate the installation and fixing of the feed hopper.

[0011] The utility model has the following beneficial effects:

[0012] The front-mounted cement tank inlet and outlet are highly sealed and can better prevent mud throwing. Since the outlet is located in front, the driver can control the position of the hydraulic unloading in the cab throughout the whole process, and realize pouring while walking, which is particularly suitable for mine construction, saving miners' working time and improving construction efficiency. In addition, the mine driver can better observe the construction status during the unloading process, reduce blind spots, and improve the safety of construction operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional overall structure of the utility model after installation;

[0014] Figure 2 It is a schematic diagram of the three-dimensional split structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 4 for Figure 3 A schematic cross-sectional structure diagram of ;

[0017] Figure 5 This is a schematic diagram of the position structure of the utility model after installation with respect to the cab;

[0018] Figure 6 It is a structural schematic diagram of the pressing plate;

[0019] In the figure: 1. tank flange; 2. sealing gasket 1; 3. bearing; 4. sealing gasket 2; 5. retaining ring; 6. sealing gasket 3; 7. feed hopper; 71. fixing plate; 8. pin 1; 9. hydraulic cylinder; 10. pin 2; 11. sealing plate; 12. discharge shaft; 13. distribution valve; 14. cover plate; 141. connecting flange; 142. support ring plate; 143. discharge port; 144. closing plate; 15. cement tank body; 16. discharge hopper; 17. sealing gasket plate; 18. cab; 19. support frame; 20. connecting studs; 21. clamping plate. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with embodiments.

[0021] Embodiment 1, as Figures 1 to 6 As shown, the utility model is a front explosion-proof cement tank inlet and outlet, including a cement tank body 15 arranged on a cement tank truck, a tank body flange 1 is arranged at one end of the cement tank body 15 close to the cab 18 of the cement tank truck, a bearing 3 is connected to the outer side of the tank body flange 1, a retaining ring 5 is connected to the outer side of the bearing 3, a cover plate 14 is arranged on the outer side of the retaining ring 5, a feed port and a discharge port 143 are arranged on the cover plate 14, a closing mechanism is connected to the discharge port 143, a sealing gasket 1 2 is arranged between the tank body flange 1 and the bearing 3, and a sealing gasket 2 4 and a sealing gasket 3 6 are respectively arranged on both sides of the retaining ring 5.

[0022] The assembly is installed at the front of the cement tank body 15, on one side of the cab 18 of the cement tank truck. During installation, the outer ring of the bearing 3, the tank flange 1 and the sealing gasket 1 2 are connected by screws through the mounting holes on the outer side of the outer ring of the bearing 3, and then installed to the front of the cement tank body 15. Then, the sealing gasket 3 6, the retaining ring 5 and the sealing gasket 2 4 are connected by screws through the mounting holes on the outer side of the cover plate 14, and installed to the mounting holes on the outer side of the inner ring of the bearing 3. When the cement tank body 15 is in operation, it drives the tank flange 1, the sealing gasket 1 2 and the outer ring of the bearing 3 to rotate; at this time, the inner ring of the bearing 3, the sealing gasket 2 4, the retaining ring 5, the sealing gasket 3 6 and the cover plate 14 are all in a stationary state. During feeding, cement enters the cement tank body 15 from the feeding port, and during discharging, the sealing mechanism opens the discharging port 143 for discharging. Since the discharging port 143 is located in front, the driver can control the position of the hydraulic discharging in the cab 18 throughout the whole process, so as to realize pouring while walking, which is particularly suitable for mine construction and saves miners' working time. In addition, the mine driver can better observe the construction status during the discharging process, reduce blind spots, and improve the safety of construction operations.

[0023] Embodiment 2, based on embodiment 1, the closing mechanism includes a sealing plate 11 rotatably mounted on the cover plate 14 and arranged outside the discharge port 143, a hydraulic cylinder 9 is arranged outside the sealing plate 11, and the hydraulic cylinder 9 is connected to a distribution valve 13. The distribution valve 13 is a solenoid valve, and a control switch of the distribution valve 13 is arranged in the cab 18.

[0024] A discharge shaft 12 is fixed to the upper end of the sealing plate 11, and ear plates are rotatably installed at both ends of the discharge shaft 12, and the ear plates are fixed on the cover plate 14. A sealing pad 17 is fixed to the inner wall of the sealing plate 11, and a pin shaft 8 is rotatably installed on the outer wall of the sealing plate 11. The pin shaft 8 is fixed to the hydraulic cylinder 9, and a pin shaft 2 10 is fixed to the upper end of the hydraulic cylinder 9.

[0025] A feed hopper 7 is fixed to the outside of the feed port, and a pin shaft 10 is rotatably mounted on the feed hopper 7. When unloading, the distribution valve 13 supplies the oil circuit to the hydraulic cylinder 9 to achieve the function of opening the sealing plate 11.

[0026] The cover plate 14 includes a support ring plate 142, a connection flange 141 for pressing a sealing gasket 24 is fixed to the outer side of the inner end of the support ring plate 142, a closing plate 144 is fixed to the outer end of the support ring plate 142, a feed port is arranged at the upper part of the closing plate 144, a discharge port 143 is arranged at the lower part of the closing plate 144, a fixing plate 71 is fixed to the inner side of the top of the feed hopper 7, and a fixing arc surface is arranged at the bottom of the fixing plate 71 to match the outer side wall of the support ring plate 142. A discharge hopper 16 is arranged at the lower part of the discharge port 143.

[0027] A support frame 19 is fixed to the inner side of the support ring plate 142, and the support frame 19 is fixed on the frame of the cement tank truck.

[0028] Embodiment 3, on the basis of embodiments 1 and 2, a pressing plate 21 is provided on the inner side of the sealing pad 17, and a plurality of connecting studs 20 are fixed to the outer end of the pressing plate 21, and the connecting studs 20 pass through the sealing pad 17 and the sealing plate 11 and are connected with locking nuts. When the sealing pad 17 needs to be replaced, the sealing plate 11 is opened, the locking nut is screwed off, and the pressing plate 21 is removed, and the sealing pad 17 to be replaced can be removed.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0030] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A front explosion-proof cement tank inlet and outlet, comprising a cement tank body (15) arranged on a cement tank truck, characterized in that: A tank body flange (1) is provided at one end of a cement tank body (15) close to a cab (18) of a cement tank truck, a bearing (3) is connected to the outer side of the tank body flange (1), a retaining ring (5) is connected to the outer side of the bearing (3), a cover plate (14) is provided on the outer side of the retaining ring (5), a feed inlet and a discharge port (143) are provided on the cover plate (14), a sealing mechanism is connected to the discharge port (143), a sealing gasket 1 (2) is provided between the tank body flange (1) and the bearing (3), and a sealing gasket 2 (4) and a sealing gasket 3 (6) are provided on both sides of the retaining ring (5), respectively.

2. The front explosion-proof cement tank inlet and outlet according to claim 1, characterized in that: The sealing mechanism comprises a sealing plate (11) arranged outside the discharge port (143) and rotatably mounted on the cover plate (14), a hydraulic cylinder (9) being arranged outside the sealing plate (11), and the hydraulic cylinder (9) being connected to a distribution valve (13).

3. The front explosion-proof cement tank inlet and outlet according to claim 2 is characterized by: A discharge shaft (12) is fixed to the upper end of the sealing plate (11), ear plates are rotatably mounted on both ends of the discharge shaft (12), the ear plates are fixed to the cover plate (14), a sealing pad (17) is fixed to the inner wall of the sealing plate (11), a pin shaft 1 (8) is rotatably mounted on the outer wall of the sealing plate (11), the pin shaft 1 (8) is fixed to the hydraulic cylinder (9), and a pin shaft 2 (10) is fixed to the upper end of the hydraulic cylinder (9).

4. The front explosion-proof cement tank inlet and outlet according to claim 3 is characterized by: A feed hopper (7) is fixed on the outside of the feed port, and a second pin (10) is rotatably mounted on the feed hopper (7).

5. The front explosion-proof cement tank inlet and outlet according to claim 3 is characterized by: A clamping plate (21) is provided on the inner side of the sealing pad (17), and a plurality of connecting studs (20) are fixed to the outer end of the clamping plate (21). The connecting studs (20) pass through the sealing pad (17) and the sealing plate (11) and are connected to locking nuts.

6. The front explosion-proof cement tank inlet and outlet according to claim 4, characterized in that: The cover plate (14) comprises a support ring plate (142), a connecting flange (141) for compressing a second sealing gasket (4) is fixed to the outer side of the inner end of the support ring plate (142), a closing plate (144) is fixed to the outer end of the support ring plate (142), a feed port is arranged at the upper part of the closing plate (144), a discharge port (143) is arranged at the lower part of the closing plate (144), a fixing plate (71) is fixed to the inner side of the top of the feed hopper (7), and a fixing arc surface is provided at the bottom of the fixing plate (71) for matching with the outer side wall of the support ring plate (142).

7. The front explosion-proof cement tank inlet and outlet according to claim 6, characterized in that: A support frame (19) is fixed on the inner side of the support ring plate (142), and the support frame (19) is fixed on the frame of the cement tank truck.

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