Concrete mixing device for road and bridge engineering construction

Abstract

The utility model discloses a concrete mixing device for road and bridge engineering construction, which comprises a lower tank body, an upper tank body is arranged at the upper port of the lower tank body, a premixing mechanism for mixing and screening cement and sand is arranged on the inner side of the upper tank body, and a hopper is arranged at the upper end of the upper tank body. A supporting frame for supporting the lower tank body in a suspended mode is installed on the outer side of the lower tank body, a water inlet mechanism is installed at the position, close to an upper end opening, of the outer side of the lower tank body and comprises a water distribution ring arranged on the outer side of the lower tank body in a sleeving mode and a flushing ring arranged in the lower tank body, and an annular flushing opening is formed in the position, tightly attached to the inner wall of the lower tank body, of the lower side face of the flushing ring. And the water diversion ring is connected with the flushing ring through a plurality of connecting pipes. The water diversion ring conveys water into the flushing ring through the connecting pipe, and the water is uniformly and comprehensively flushed on the inner wall of the lower tank body through the flushing ports, so that sand and cement adhered to the inner wall are flushed, and the interior of the lower tank body is flushed.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete mixing, in particular to a concrete mixing device for road and bridge engineering construction. Background Art

[0002] A large amount of concrete will be used in the construction of road and bridge projects, and the concrete is mixed and stirred by a mixing device. When mixing concrete, sand and cement are first mixed and mixed, and then gravel is mixed into the mixed sand and cement to complete the production of concrete.

[0003] The Chinese patent with announcement number CN213226921U discloses a concrete mixing device for construction and civil engineering, including a concrete mixing device body, a first motor and a second motor, a connection cover is hinged on the left side of the concrete mixing device body, and a filter is fixedly installed inside the concrete mixing device body. The utility model is provided with a first motor and a spiral blade, and the first motor drives the second rotating rod and the spiral blade on its surface to mix the sand and cement in the mixing box, so that the cement and sand in the mixing box are fully mixed, so that the concrete is mixed more thoroughly, and through the filter and the connection cover, fine sand and cement will pass through the filter and fall into the bottom end of the concrete mixing device body, while large particles will be blocked by the filter and slide to the left side of the filter due to gravity, thereby completing screening.

[0004] The above-mentioned concrete mixing device for construction and civil engineering stirs the sand and cement in the mixing box by means of spiral blades, so that the cement and sand in the mixing box are fully mixed, and then stirs them by means of a stirring rod. However, it does not have the function of flushing the interior of the concrete mixing device body, and is unable to clean the cement and sand on the inner wall of the concrete mixing device body. Utility Model Content

[0005] In order to solve the problem that the concrete mixing device for construction and civil engineering mentioned above does not have the function of flushing the inside of the concrete mixing device body, the present application provides a concrete mixing device for road and bridge engineering construction, which adopts the following technical solution:

[0006] A concrete mixing device for road and bridge engineering construction comprises a lower tank body, an upper tank body is installed at the upper port of the lower tank body, and a premixing mechanism for mixing and screening cement and sand is arranged on the inner side of the upper tank body, a hopper is installed on the upper end of the upper tank body, a support frame for suspending the lower tank body is installed on the outer side of the lower tank body, and a water inlet mechanism is installed on the outer side of the lower tank body near the upper port, the water inlet mechanism comprises a water diversion ring sleeved on the outer side of the lower tank body and a flushing ring arranged in the lower tank body, an annular flushing port is opened on the lower side surface of the flushing ring close to the inner wall of the lower tank body, and the water diversion ring is connected to the flushing ring through a plurality of connecting pipes.

[0007] Optionally, the inner side surface of the flushing ring is set as a material guiding slope, and the flushing ring is sleeved with the connecting pipe, and the outer side of the water dividing ring is fixedly connected with a water inlet pipe.

[0008] Optionally, the premixing mechanism includes an arc-shaped material guide plate, which is inclined to the upper right and has evenly distributed sieve holes on the lower side of the material guide plate near the right end. A spiral blade rod is provided on the inner side of the material guide plate, and the left end of the central axis of the spiral blade rod passes through the left side wall of the upper tank body and is fixed with a motor.

[0009] Optionally, a stirring rod is installed at the inner bottom of the lower tank body, and a discharge pipe is fixed at the lower end of the lower tank body, a sleeve is provided at the upper end of the lower tank body, and a plurality of locking screws are threadedly installed on the outer side of the lower tank body near the upper port, and an annular retaining ring is fixed on the outer side of the lower tank body.

[0010] Optionally, the support frame includes a support plate, a mounting cavity is opened at the center of the upper surface of the support plate, and legs are fixed on the lower surface of the support plate near the left and right sides, and rollers are installed at the lower ends of the legs.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The water dividing ring in the utility model sends water into the flushing ring through the connecting pipe and flushes the water evenly and comprehensively on the inner wall of the lower tank body through the flushing port, so as to flush the sand and cement sticking on the inner wall, thereby realizing flushing of the interior of the lower tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a cross-sectional view of a concrete mixing device for road and bridge engineering construction of the utility model;

[0015] Figure 2 This is a schematic diagram of a water inlet mechanism of a concrete mixing device for road and bridge engineering construction shown in the utility model;

[0016] Figure 3 This is a schematic diagram of a premixing mechanism of a concrete mixing device for road and bridge engineering construction shown in the utility model;

[0017] Figure 4 It is a schematic diagram of the lower tank body of a concrete mixing device for road and bridge engineering construction shown in the utility model;

[0018] Figure 5 The utility model is a schematic diagram of a support frame of a concrete mixing device for road and bridge engineering construction.

[0019] In the figure: 1. lower tank body; 11. sleeve; 12. locking screw; 13. retaining ring; 14. stirring rod; 15. discharge pipe; 2. support frame; 21. support leg; 22. support plate; 23. installation cavity; 3. water inlet mechanism; 31. guide slope; 32. flushing ring; 33. water dividing ring; 34. water inlet pipe; 35. connecting pipe; 36. flushing port; 4. upper tank body; 5. hopper; 6. premixing mechanism; 61. motor; 62. guide plate; 63. spiral blade rod; 64. sieve hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] Please refer to Figure 1 and Figure 2 As shown, a concrete mixing device for road and bridge engineering construction comprises a lower tank body 1, an upper tank body 4 is installed at the upper port of the lower tank body 1, and a premixing mechanism 6 for mixing and screening cement and sand is arranged on the inner side of the upper tank body 4, a hopper 5 is installed on the upper end of the upper tank body 4, a support frame 2 for suspending the lower tank body 1 is installed on the outer side of the lower tank body 1, and a water inlet mechanism 3 is installed on the outer side of the lower tank body 1 near the upper port, and the water inlet mechanism 3 includes a A water dividing ring 33 and a flushing ring 32 are arranged in the lower tank body 1. An annular flushing port 36 is opened on the lower side of the flushing ring 32 close to the inner wall of the lower tank body 1. The water dividing ring 33 is connected to the flushing ring 32 through a plurality of connecting pipes 35. The water dividing ring 33 sends water into the flushing ring 32 through the connecting pipes 35 and flushes the water evenly and comprehensively on the inner wall of the lower tank body 1 through the flushing port 36, thereby flushing the sand and cement sticking to the inner wall, thereby realizing flushing of the interior of the lower tank body 1.

[0022] Please refer to Figure 2As shown, the inner side surface of the flushing ring 32 is set as a material guide slope 31 for guiding the fallen sand and cement to avoid accumulation. The flushing ring 32 is sleeved with the connecting pipe 35, and the outer side of the water diversion ring 33 is fixedly connected with a water inlet pipe 34 for connecting a water pump for water supply.

[0023] Please refer to Figure 3 As shown, the premixing mechanism 6 includes an arc-shaped guide plate 62 for guiding sand and cement. The guide plate 62 is inclined to the upper right, and a lower side surface of the guide plate 62 near the right end is provided with evenly distributed sieve holes 64 for screening out larger particles. A spiral blade rod 63 is provided on the inner side of the guide plate 62, and the left end of the central axis of the spiral blade rod 63 passes through the left side wall of the upper tank body 4 and is fixed with a motor 61. The motor 61 drives the spiral blade rod 63 to reverse and mix the sand and cement. After the mixing is completed, the motor 61 drives the spiral blade rod 63 to rotate forward, so as to transport the sand and cement to the upper right and screen them through the sieve holes 64, and the screened larger particles are discharged outward.

[0024] Please refer to Figure 4 As shown, a stirring rod 14 is installed at the inner bottom of the lower tank body 1 for stirring sand and cement, a discharge pipe 15 is fixed at the lower end of the lower tank body 1 for discharging, a sleeve 11 is provided at the upper end of the lower tank body 1 for installing the upper tank body 4, and a plurality of locking screws 12 are threadedly installed on the outer side of the lower tank body 1 near the upper port for locking and fixing the upper tank body 4, and an annular retaining ring 13 is fixed on the outer side of the lower tank body 1 for blocking the lower tank body 1 when it is installed in the installation cavity 23.

[0025] Please refer to Figure 5 As shown, the support frame 2 includes a support plate 22, and a mounting cavity 23 is opened in the center of the upper surface of the support plate 22 for mounting the lower tank body 1, and legs 21 are fixed to the lower surface of the support plate 22 near the left and right sides, and rollers are installed at the lower ends of the legs 21 to facilitate the movement of the entire device.

[0026] Working principle: When mixing sand and cement, pour the sand and cement into the guide plate 62 through the hopper 5. At this time, the motor 61 drives the spiral blade rod 63 to reverse and mix the sand and cement. After the mixing is completed, the motor 61 drives the spiral blade rod 63 to rotate forward to transport the sand and cement to the upper right and screen them through the sieve hole 64. The larger particles screened out are discharged outward, and the sand and cement screened out are stirred and mixed by the stirring rod 14.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A concrete mixing device for road and bridge engineering construction, comprising a lower tank body (1), characterized in that: An upper tank body (4) is installed at the upper port of the lower tank body (1), and a premixing mechanism (6) for mixing and screening cement and sand is arranged on the inner side of the upper tank body (4), a hopper (5) is installed on the upper end of the upper tank body (4), a support frame (2) for suspending the lower tank body (1) is installed on the outer side of the lower tank body (1), and a water inlet mechanism (3) is installed on the outer side of the lower tank body (1) near the upper port, the water inlet mechanism (3) comprises a water dividing ring (33) sleeved on the outer side of the lower tank body (1) and a flushing ring (32) arranged in the lower tank body (1), a circular flushing port (36) is opened on the lower side surface of the flushing ring (32) close to the inner wall of the lower tank body (1), and the water dividing ring (33) is connected to the flushing ring (32) through a plurality of connecting pipes (35).

2. A concrete mixing device for road and bridge engineering construction according to claim 1, characterized in that: The inner side surface of the flushing ring (32) is arranged as a material guiding inclined surface (31), and the flushing ring (32) is sleeved with a connecting pipe (35), and the outer side of the water dividing ring (33) is fixedly connected with a water inlet pipe (34).

3. A concrete mixing device for road and bridge engineering construction according to claim 1, characterized in that: The premixing mechanism (6) comprises an arc-shaped material guide plate (62), the material guide plate (62) being arranged tilted upward to the right, and having evenly distributed sieve holes (64) formed on the lower side of the material guide plate (62) near the right end, a spiral blade rod (63) being arranged on the inner side of the material guide plate (62), and a motor (61) being fixed to the left end of the central axis of the spiral blade rod (63) passing through the left side wall of the upper tank body (4).

4. A concrete mixing device for road and bridge engineering construction according to claim 1, characterized in that: A stirring rod (14) is installed at the bottom of the inner side of the lower tank body (1), and a discharge pipe (15) is fixed at the lower end of the lower tank body (1). A sleeve (11) is provided at the upper end of the lower tank body (1), and a plurality of locking screws (12) are threadedly installed on the outer side of the lower tank body (1) near the upper port. An annular retaining ring (13) is fixed on the outer side of the lower tank body (1).

5. A concrete mixing device for road and bridge engineering construction according to claim 1, characterized in that: The support frame (2) comprises a support plate (22), a mounting cavity (23) is provided at the center of the upper surface of the support plate (22), and legs (21) are fixed to the lower surface of the support plate (22) near the left and right sides, and rollers are installed at the lower ends of the legs (21).

Images