CN209887869U - Shield constructs construction cement mortar agitating unit - Google Patents

Abstract

The utility model provides a cement mortar mixing device for shield construction, comprising a mixing box; a feeding pipe is connected and fixed in the middle wall of the top of the mixing box; a sieve plate is arranged below the feeding pipe; A stirring shaft is provided; several stirring rods are connected and fixed on the outer surface wall of the stirring shaft; a fixing rod is connected and fixed on the outer wall of the bottom middle part of the stirring box; the lower end of the fixing rod is connected and fixed with a connecting frame; Teeth are connected and fixed on the upper and lower inner side walls of the connecting frame respectively, and an incomplete gear is arranged in the middle part of the inner side; the incomplete gear is connected and fixed on the connecting shaft; the rear side of the connecting shaft is connected with a first motor; The first motor is fixedly installed on the rear inner wall of the bottom box by bolts; the utility model has reasonable structural design, convenient operation, can effectively improve the mixing effect of cement mortar, and has strong practicability.

Description

A cement mortar mixing device for shield construction

technical field

The utility model relates to shield construction equipment, in particular to a cement mortar mixing device for shield construction.

Background technique

The shield method is a fully mechanized construction method in the underground excavation method. It pushes the shield machine into the ground, and supports the surrounding rock through the shield shell and segment to prevent collapse into the tunnel. At the same time, the soil is excavated with a cutting device in front of the excavation front, and is transported out of the hole by the excavation machine, and is pushed in by the jack at the rear, and the precast concrete segments are assembled to form a mechanized construction method of the tunnel structure.

In the shield construction process, the cement mortar needs to be stirred and mixed, but during stirring, because the material is easy to coagulate before mixing, or contains impurities with large particles, it is easy to cause the device to block and affect the use. The general device uses a stirring rod to stir the mixture, which has a simple structure and uneven stirring, resulting in poor stirring effect.

Utility model content

The purpose of the present utility model is to provide a cement mortar mixing device for shield construction, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A cement mortar mixing device for shield construction, comprising a mixing box; a feeding pipe is connected and fixed in the middle wall of the top of the mixing box; a sieve plate is arranged below the feeding pipe; a stirring shaft is arranged below the sieve plate; Several stirring rods are connected and fixed on the outer surface wall of the stirring shaft, and the lower end thereof is rotatably connected with the partition plate through the connecting bearing; the partition plate is laterally connected and fixed on the lower inner side wall of the stirring box, and its right end is provided with There is a discharge pipe; the discharge pipe is connected and fixed in the lower wall of the right side of the stirring box; the lower end of the stirring shaft is connected with a second motor; Below the partition; the bottom middle outer wall of the mixing box is connected and fixed with a fixed rod; the fixed rod is slidably connected in the moving groove; the moving groove is opened in the top middle wall of the bottom box; the lower end of the fixed rod is connected a connecting frame is fixed; teeth are connected and fixed on the upper and lower inner side walls of the connecting frame respectively, and an incomplete gear is arranged in the middle of the inner side; the incomplete gear is connected and fixed on the connecting shaft; the rear side of the connecting shaft A first motor is connected; the first motor is fixedly mounted on the rear inner wall of the bottom box by means of bolts.

As a further scheme of the present invention: the sieve plate is laterally connected and fixed on the inner side wall of the mixing box, the middle part is laterally arranged, the left and right sides thereof are inclined downward, and the screen is inlaid and fixed in the wall, and the left and right ends of the sieve plate are inlaid and fixed. The slag discharge pipes are respectively provided; the slag discharge pipes are provided with two, which are respectively connected and fixed on the inner walls of the left and right sides of the mixing box.

As a further solution of the present invention: the bottom left and right outer walls of the mixing box are respectively provided with a group of first movable blocks; the first movable blocks are provided with two groups, two in each group, and the sliding sleeves are on the first movable blocks. on the guide rod.

As a further solution of the present invention: the first guide rod is laterally arranged in the first chute; the first chute is provided with two groups, two in each group, which are respectively opened on the left and right walls of the top of the bottom box The bottom box is arranged on the lower side of the stirring box.

As a further scheme of the present utility model: the connecting frame is arranged inside the bottom box and is in the shape of a mouth, and a group of connecting rods are respectively provided on the left and right outer walls of the lower part; the connecting rods are provided with two groups, each group of two A second movable block is connected and fixed at the lower end of the second movable block; the second movable block is slidably sleeved on the second guide rod.

As a further solution of the present invention: the second guide rod is laterally arranged in the second chute; the second chute is provided with two groups, two in each group, which are respectively set on the left and right parts of the bottom of the bottom box. on the inner wall.

Compared with the prior art, the beneficial effects of the present utility model are:

By setting the first motor, the incomplete gear, the connecting frame, the fixing rod and the screen, the utility model can screen the cement mortar and filter the condensed or large particles after the cement mortar is input into the mixing box. , to prevent impurities from clogging the follow-up device, and at the same time when the cement mortar is stirred by the stirring rod, the mixing box can be sifted left and right to make the cement mortar mix evenly and improve the stirring effect; by setting the first movable block and the first guide rod, it can be The mixing box and the bottom box are slidably connected to avoid unstable connection when the mixing box is sifted left and right, and improve the stability of the device; by setting the connecting rod, the second movable block and the second guide rod, the connecting frame can only move left and right At the same time, the distance of the left and right movement of the connecting frame is limited; the utility model has reasonable structure design, convenient operation, can effectively improve the mixing effect of cement mortar, and has strong practicability.

Description of drawings

Figure 1 is a schematic structural diagram of a cement mortar mixing device for shield construction.

FIG. 2 is a schematic structural diagram of the right side view of the first motor drive in a cement mortar mixing device for shield construction.

FIG. 3 is a schematic structural diagram of a mixing box in a cement mortar mixing device for shield construction.

In the picture: 1-bottom box, 2-connecting frame, 3-incomplete gear, 4-connecting shaft, 5-first chute, 6-first guide rod, 7-first movable block, 8-slag discharge pipe , 9-mixing box, 10-feeding pipe, 11-moving tank, 12-fixed rod, 13-discharging pipe, 14-connecting rod, 15-second movable block, 16-second chute, 17-first Two guide rods, 18-first motor, 19-screen plate, 20-screen, 21-stirring rod, 22-stirring shaft, 23-second motor, 24-connecting bearing, 25-partition.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Please refer to Figures 1-3, a cement mortar mixing device for shield construction, including a mixing box 9; the mixing box 9 provides support and installation space for other components on the device, and a feeding pipe is connected and fixed in the top middle wall of the mixing box 9 10; The feeding pipe 10 can be sealed with a pipe cover for putting cement mortar into the mixing box 9, and a sieve plate 19 is arranged below it; the sieve plate 19 is laterally connected and fixed on the inner side wall of the mixing box 9, The middle part is horizontally arranged, the left and right sides thereof are inclined downward, and the screen mesh 20 is inlaid and fixed in the wall, which can screen the cement mortar, and the left and right ends are respectively provided with slag discharge pipes 8; the slag discharge pipes 8 are provided with There are two, which are respectively connected and fixed on the inner walls of the left and right sides of the stirring box 9, and the screened waste can be discharged; the stirring shaft 22 is arranged below the sieve plate 19; the outer surface wall of the stirring shaft 22 is connected and fixed with several The stirring rod 21, and its lower end is rotatably connected with the partition plate 25 through the connecting bearing 24; the partition plate 25 is laterally connected and fixed on the lower inner side wall of the mixing box 9, and the mixing box 9 is divided into upper and lower different spaces to prevent cement mortar from entering In the lower space, and its right end is provided with a discharge pipe 13; the discharge pipe 13 is connected and fixed in the lower wall of the right side of the mixing box 9, and the mixed cement mortar can be discharged; the lower end of the mixing shaft 22 is connected with a The second motor 23; the second motor 23 is fixedly installed on the bottom inner side wall of the mixing box 9 by bolts, and is arranged below the partition plate 25, and can drive the stirring rod 21 to stir and mix the cement mortar during operation; A group of first movable blocks 7 are respectively provided on the outer walls of the left and right sides of the bottom; the first movable blocks 7 are provided with two groups, two in each group, and are slidably sleeved on the first guide rod 6; the first guide rod 6. Horizontally arranged in the first chute 5; the first chute 5 is provided with two groups, two in each group, which are respectively opened in the left and right walls of the top of the bottom box 1; the bottom box 1 is provided in the stirring The lower side of the box 9 is slidably connected with the stirring box 9 through the first movable block 7 and the first guide rod 6, providing support and installation space for other components on the device; the bottom middle outer wall of the stirring box 9 is connected and fixed with a fixed rod 12; the fixed rod 12 is slidably connected in the moving groove 11; the moving groove 11 is opened in the top middle wall of the bottom box 1 to facilitate the left and right movement of the fixed rod 12; the lower end of the fixed rod 12 is connected and fixed with a connecting frame 2; the connecting frame 2 is arranged inside the bottom box 1, and is in the shape of a mouth, and a group of connecting rods 14 are respectively provided on the left and right outer walls of the lower part; the connecting rods 14 are provided with two groups, two in each group, The lower end of the second movable block 15 is connected and fixed; the second movable block 15 is slidably sleeved on the second guide rod 17; the second guide rod 17 is laterally arranged in the second chute 16; The second chute 16 is provided with two groups, two in each group, which are respectively opened on the left and right inner walls of the bottom of the bottom box 1, so as to facilitate the left and right movement of the connecting frame 2, and at the same time limit the distance of the left and right movement of the connecting frame 2; Teeth are connected and fixed on the inner side walls of the inner part respectively, and an incomplete gear 3 is arranged in the middle part of the inner side; the incomplete gear 3 is connected and fixed on the connecting shaft 4; the rear side of the connecting shaft 4 is connected with a first motor 18; The first motor 18 is fixedly installed on the rear inner wall of the bottom box 1 through bolts, and can drive the incomplete gear 3 to rotate counterclockwise during operation. It can drive the connecting frame 2 to move to the left. When it rotates to mesh with the teeth on the inner wall of the lower part of the connecting frame 2, it can drive the connecting frame 2 to move to the right, thereby driving the connecting frame 2 to move left and right repeatedly, and then driving the mixing box 9 to sieve left and right. Move the screen 20 to screen the cement mortar, so as to prevent impurities with larger particles in the cement mortar from clogging the subsequent device, and at the same time, when the cement mortar is stirred, the mixing effect is improved.

The working principle of the utility model is as follows: the cement mortar is input into the mixing box 9 from the feeding pipe 10, and then the first motor 18 is started to drive the incomplete gear 3 to rotate counterclockwise. When the teeth are engaged, it can drive the connecting frame 2 to move to the left, and when it rotates to engage with the teeth on the inner wall of the lower part of the connecting frame 2, it can drive the connecting frame 2 to move to the right, thereby driving the connecting frame 2 to repeatedly move left and right, thereby driving the stirring. The box 9 is sifted left and right, so that the screen 20 can screen the cement mortar, so as to prevent the impurities with larger particles in the cement mortar from clogging the follow-up device. The stirring rod 21 rotates to stir and mix the cement mortar, and at the same time, the first motor 18 drives the stirring box 9 to move left and right to improve the mixing effect.

The preferred embodiments of the present patent have been described in detail above, but the present patent is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, the present invention can also be made without departing from the purpose of the present patent. Various changes.

Claims (6)

1. A cement mortar mixing device for shield construction, comprising a mixing box (9); it is characterized in that a feeding pipe (10) is connected and fixed in the top middle wall of the mixing box (9); 10) a sieve plate (19) is arranged below; a stirring shaft (22) is arranged below the sieve plate (19); a number of stirring rods (21) are connected and fixed on the outer surface wall of the stirring shaft (22), and The lower end thereof is rotatably connected with the partition plate (25) through the connecting bearing (24); the partition plate (25) is laterally connected and fixed on the lower inner side wall of the stirring box (9), and the right end of the partition plate (25) is provided with a discharge pipe ( 13); the discharge pipe (13) is connected and fixed in the lower wall of the right side of the stirring box (9); the lower end of the stirring shaft (22) is connected with a second motor (23); the second motor (23) passes through The bolts are fixedly installed on the bottom inner side wall of the mixing box (9), and are arranged below the partition plate (25); a fixing rod (12) is connected and fixed on the outer wall of the bottom middle part of the mixing box (9); the fixing rod (12) ) is slidably connected in the moving groove (11); the moving groove (11) is opened in the top middle wall of the bottom box (1); the lower end of the fixing rod (12) is connected and fixed with a connecting frame (2); the Teeth are respectively connected and fixed on the upper and lower inner side walls of the connecting frame (2), and an incomplete gear (3) is arranged in the middle of the inner side; the incomplete gear (3) is connected and fixed on the connecting shaft (4); A first motor (18) is connected to the rear side of the connecting shaft (4); the first motor (18) is fixedly mounted on the rear inner wall of the bottom box (1) by means of bolts. 2. A shield construction cement mortar mixing device according to claim 1, characterized in that, the sieve plate (19) is laterally connected and fixed on the inner side wall of the mixing box (9), the middle part is laterally arranged, and its left and right sides are arranged horizontally. The two sides are inclined downward, and the screen mesh (20) is inlaid and fixed in the wall, and the left and right ends of the slag discharge pipe (8) are respectively provided with two slag discharge pipes (8), which are connected and fixed respectively. On the inner walls of the left and right sides of the mixing box (9). 3. A shield construction cement mortar mixing device according to claim 1, characterized in that, a group of first movable blocks (7) are respectively provided on the outer walls of the bottom left and right sides of the mixing box (9); The first movable block (7) is provided with two groups, two in each group, and is slidably sleeved on the first guide rod (6). 4. A cement mortar mixing device for shield construction according to claim 3, wherein the first guide rod (6) is laterally arranged in the first chute (5); the first chute (5) There are two groups, two in each group, which are respectively opened in the left and right walls of the top of the bottom box (1); the bottom box (1) is arranged on the lower side of the stirring box (9). 5. A cement mortar mixing device for shield construction according to claim 1, characterized in that the connecting frame (2) is arranged inside the bottom box (1), and is in the shape of a mouth, and its lower left and right two outer surfaces A group of connecting rods (14) are respectively provided on the wall; two groups of the connecting rods (14) are provided, two in each group, and a second movable block (15) is connected and fixed at the lower end of the connecting rod (14); the second movable block (15) The sliding sleeve is on the second guide rod (17). 6 . The cement mortar mixing device for shield construction according to claim 5 , wherein the second guide rod ( 17 ) is laterally arranged in the second chute ( 16 ); the second chute (16) There are two groups, two in each group, which are respectively arranged on the left and right inner walls of the bottom of the bottom box (1).

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