A semi-automatic paving device for masonry mortar

By designing a semi-automatic mortar spreading device for masonry joints, and utilizing a combination of baffles and grinding wheels, precise control of mortar thickness and flatness is achieved. This solves the problem of difficulty in adjusting the thickness and quality of mortar joints in existing devices, and improves the uniformity of mortar spreading and the ease of operation of the equipment.

CN117967075BActive Publication Date: 2026-07-24CHINA CONSTR EIGHTH ENG BUREAU (SHAANXI) CONSTR TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA CONSTR EIGHTH ENG BUREAU (SHAANXI) CONSTR TECH CO LTD
Filing Date
2024-03-20
Publication Date
2026-07-24

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Abstract

The application relates to the technical field of masonry construction, in particular to a semi-automatic mortar joint mortar paving device for masonry, which comprises a side plate, a baffle plate, a transmission end of a transmission motor, a sand wheel, a supporting plate, a placing plate and a roller; the inner side of the side plate is provided with a positioning plate; the side of the side plate is provided with the baffle plate; the transmission end of the transmission motor is provided with the sand wheel; one end of the supporting plate is provided with the placing plate; and the roller is arranged below the supporting plate; the sand mortar is first poured onto the surface of the placing plate and stored in cooperation with the side plate, then the baffle plate is pulled up, the height of the pulled-up baffle plate can be used to adjust the speed and thickness of the sand mortar outflow, the positioning plate arranged on the inner side of the side plate can be used to support the whole device on the brick body, the device can be displaced by using the handle, then the sand wheel can be used to rotate to preliminarily spread the sand mortar, the roller can be used to further compact and spread the sand mortar when the device is pulled back, the paving degree is improved, and the electric push rod can be used to conveniently pave the sand mortar with different thicknesses.
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Description

Technical Field

[0001] This invention relates to the field of masonry construction technology, specifically to a semi-automatic mortar spreading device for masonry joints. Background Technology

[0002] Mortar joints mostly refer to the mortar layer between two bricks during wall construction. That is, the joint line left after the bricks are bonded together with mortar during wall construction. In order to avoid blind joints, transparent joints and false joints in masonry mortar joints, the "three-in-one" masonry method is usually used. In order to simplify the mortar removal process and make the mortar joints dense and full, appropriate spreading devices are usually used for masonry construction.

[0003] Chinese Patent CN109914828A discloses a control device for horizontal and vertical mortar joints in masonry walls, comprising a horizontal mortar joint control component and a vertical mortar joint control component. The vertical mortar joint control component includes two U-shaped clamping plates installed under a structural beam and at least one conduit positioned between the U-shaped clamping plates. An infrared lamp is installed inside the conduit, and multiple light-transmitting holes are evenly spaced at the bottom of the conduit. When energized, the infrared lamp emits multiple parallel vertical mortar joint indicator lines downwards through the light-transmitting holes. The horizontal mortar joint control component includes two uprights, on which two mortar joint limiting devices are symmetrically installed. These devices can rotate up and down on the uprights. A flexible limiting rope is positioned between the two limiting devices. By continuously rotating the limiting devices upwards, the flexible limiting rope can continuously move upwards horizontally at equal intervals. The horizontal and vertical mortar joint control device obtained by this invention is easy for workers to operate and install.

[0004] However, the small mortar joint paving device described above has limitations in its structure, making it impossible to limit the target mortar joint thickness and quality. It is also inconvenient to adjust the amount of mortar used based on the dryness and mixing quality of the mortar, thus reducing the functionality of the equipment and making it inconvenient for workers to use.

[0005] To address these issues, this invention proposes a semi-automatic mortar spreading device for masonry joints. Summary of the Invention

[0006] The purpose of this invention is to provide a semi-automatic mortar spreading device for masonry joints to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a semi-automatic mortar spreading device for masonry joints, the semi-automatic mortar spreading device for masonry joints includes: a side plate, an electric push rod is provided on the outer side of the side plate, a lifting plate is provided on the lifting end of the electric push rod, a positioning plate is provided on the inner side of the side plate, a bottom plate is provided on the side of the side plate, a groove is opened on the surface of the bottom plate, a positioning bolt is provided in the groove, and a baffle is provided at one end of the positioning bolt;

[0008] The support plate has a bracket on its surface, a drive motor on the bracket surface, a transmission motor inside the support plate, a grinding wheel on the transmission end of the transmission motor, a placement plate at one end of the support plate, and rollers below the support plate.

[0009] Preferably, the side plate is provided in two sets, which are symmetrically distributed about the support plate. A handle is provided at one end of the side plate, and a lifting handle is provided on the surface of the side plate. A lifting hole is opened on the side of the side plate, and one end of the lifting plate can move up and down in the lifting hole. One end of the lifting plate is fixedly connected to the side of the support plate.

[0010] Preferably, the electric push rod is fixedly connected to the side of the side plate. The electric push rod is powered by an external power source. The inner side of the side plate is provided with positioning rods. There are multiple sets of positioning rods, which are arranged in a regular arc. The placement plate and the support plate are connected at one end by a hinge.

[0011] Preferably, the surface of the placement plate is provided with a second baffle and a positioning ring. The positioning ring has a certain elasticity and can be sleeved on the positioning rod. There are two sets of positioning rings, and the two sets of positioning rings are symmetrically distributed about the placement plate.

[0012] Preferably, the side plate has a second lifting hole on its side and a base is provided on the inner side of the side plate. One end of the base can slide up and down in the second lifting hole. One end of the base is fixedly connected to the side of the lifting plate. The surface of the base has a through hole and a vertical plate is inserted into the through hole.

[0013] Preferably, a bearing is provided on the inner side of the upright plate, a rotating rod is fixedly connected to the inner ring surface of the bearing, a roller is fixedly connected to the end face of the rotating rod, and a buffer spring is provided on the surface of the upright plate. One end of the buffer spring is fixedly connected to the surface of the base, and the other end of the buffer spring is fixedly connected to the surface of the upright plate.

[0014] Preferably, the support plate has a second through hole on its surface, a second bearing is provided on the end face of the second through hole, a movable screw is inserted into the inner ring surface of the second bearing, a second gear is sleeved on the surface of the movable screw and a movable seat is screwed on it, a transparent cover is provided on the surface of the support plate, which can be used to cover and protect the drive motor and the second through hole, and a corrugated plate is provided on the surface of the support plate. The corrugated plate has a certain elasticity, one end of the corrugated plate is fixedly connected to the surface of the support plate, and the other end of the corrugated plate is fixedly connected to the upper end face of a set of lifting holes, which can cover the lifting holes.

[0015] Preferably, the drive motor has a gear sleeved on its transmission end, and the gear meshes with the second gear to drive the moving screw to rotate. One end of the drive motor is fixedly connected to the lower surface of the moving base.

[0016] Preferably, the base plate is fixedly connected to the inner side of the side plate, and two sets of base plates are provided. The two sets of base plates are symmetrically distributed about the placement plate. The positioning bolts are screwed with positioning nuts, and the height of the baffle can be fixed by the tight fit between the positioning nuts and the base plate.

[0017] Preferably, limit switches are provided on the two end faces of the second through hole. When the moving seat moves on the moving screw, it will cause the drive motor to rotate in the opposite direction after hitting the limit switch, so that the moving seat can start to move in the other direction of the moving screw.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] This invention proposes a semi-automatic mortar spreading device for masonry joints. In use, mortar is first poured onto the surface of a placement plate, which, along with the side plates, stores the mortar. Then, a baffle is pulled up; the height of the baffle adjusts the mortar flow rate and thickness. A positioning plate on the inner side of the side plates supports the entire device on the brickwork. The device can then be moved using a handle. The mortar is initially spread using a grinding wheel. After the mortar is spread using the grinding wheel, the device is pulled back, and rollers further compact and level the mortar, improving the spreading degree. The electric push rod allows for convenient spreading of mortar of different thicknesses. This avoids the problem of difficulty in adjusting the amount of mortar used based on its dryness and mixing quality, which reduces the device's functionality and makes it inconvenient for operators. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a side view of the structure of the present invention;

[0022] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0023] Figure 4 This is a partial cross-sectional view of the structure of the present invention;

[0024] Figure 5 for Figure 4 Enlarged structural diagram at point B;

[0025] Figure 6 This is a top view of the structure of the present invention;

[0026] Figure 7 for Figure 6 Enlarged structural diagram at point C;

[0027] Figure 8 for Figure 6 Enlarged structural diagram at point D;

[0028] Figure 9 This is a cross-sectional rear view of the structure of the present invention;

[0029] Figure 10 This is a top view of the cross-section of the structure of the present invention.

[0030] In the diagram: 1. Side plate; 2. Electric push rod; 3. Lifting plate; 4. Positioning plate; 5. Support plate; 6. Base plate; 7. Groove; 8. Positioning bolt; 9. Baffle; 10. Bracket; 11. Drive motor; 12. Transmission motor; 13. Grinding wheel; 14. Placement plate; 15. Roller; 16. Handle; 17. Lifting handle; 18. Lifting hole; 19. Positioning rod; 20. Second baffle; 21. Positioning ring; 22. Second lifting hole; 23. Base; 24. Through hole; 25. Vertical plate; 26. Bearing; 27. Rotating rod; 28. Buffer spring; 29. ​​Second through hole; 30. Second bearing; 31. Moving screw; 32. Second gear; 33. Moving seat; 34. Gear; 35. Positioning nut; 37. Transparent cover; 38. Corrugated plate. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] In the description of this invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "a," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] For purposes of simplicity and illustration, the principles of the embodiments are described primarily by way of example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Furthermore, all embodiments can be used in combination with each other. Example 1:

[0035] Please see Figures 1 to 10 This invention provides a technical solution: a semi-automatic mortar spreading device for masonry joints, comprising: a side plate 1, an electric push rod 2 provided on the outer side of the side plate 1, a lifting plate 3 provided on the lifting end of the electric push rod 2, a positioning plate 4 provided on the inner side of the side plate 1, a bottom plate 6 provided on the side of the side plate 1, a groove 7 provided on the surface of the bottom plate 6, a positioning bolt 8 provided in the groove 7, and a baffle 9 provided at one end of the positioning bolt 8; a support plate 5, a bracket 10 provided on the surface of the support plate 5, a drive motor 11 provided on the surface of the bracket 10, a transmission motor 12 provided inside the support plate 5, a grinding wheel 13 provided at the transmission end of the transmission motor 12, a placement plate 14 provided at one end of the support plate 5, and a roller 15 provided below the support plate 5;

[0036] First, mortar is poured onto the surface of the placement plate 14 and stored in conjunction with the side plate 1. Then, the baffle 9 is pulled up. The speed and thickness of the mortar flow can be adjusted by raising the baffle 9. The positioning plate 4 set on the inner side of the side plate 1 can be used to support the entire equipment on the brick body. The equipment can be moved by pushing it with the handle 16. Then, the mortar can be initially spread by rotating the grinding wheel 13. After the mortar is spread by the grinding wheel 13, the equipment is pulled back and the roller 15 is used to further compact and spread the mortar, improving the degree of laying. The electric push rod 2 makes it convenient to lay mortar of different thicknesses. This avoids the problem that it is not convenient to adjust the amount of mortar according to the dryness and mixing quality of the mortar, thus reducing the functionality of the equipment and making it inconvenient for workers to use. Example 2:

[0037] Based on Embodiment 1, a baffle 9 is provided to facilitate adjustment of the mortar flow rate. A second baffle 20 and a positioning ring 21 are provided on the surface of the placement plate 14. The positioning ring 21 has a certain elasticity and can be sleeved on the positioning rod 19. Two sets of positioning rings 21 are provided, symmetrically distributed about the placement plate 14. The base plate 6 is fixedly connected to the inner side of the side plate 1. Two sets of base plates 6 are provided, symmetrically distributed about the placement plate 14. Positioning nuts 35 are screwed onto the surface of the positioning bolts 8. The height of the baffle 9 can be fixed by the tight fit between the positioning nuts 35 and the base plate 6. The vertical plate 25 is located inside... A bearing 26 is provided on the side, and a rotating rod 27 is fixedly connected to the inner ring surface of the bearing 26. A roller 15 is fixedly connected to the end face of the rotating rod 27. A buffer spring 28 is provided on the surface of the upright plate 25. One end of the buffer spring 28 is fixedly connected to the surface of the base 23, and the other end of the buffer spring 28 is fixedly connected to the surface of the upright plate 25. A second lifting hole 22 is opened on the side of the side plate 1. A base 23 is provided on the inner side of the side plate 1. One end of the base 23 can slide up and down in the second lifting hole 22. One end of the base 23 is fixedly connected to the side of the lifting plate 3. A through hole 24 is opened on the surface of the base 23, and the upright plate 25 is inserted into the through hole 24.

[0038] In use, mortar can be placed on the surface of the placement plate 14, and the positioning bolt 8 can be pulled upward by loosening the positioning nut 35. The distance between the baffle 9 and the placement plate 14 can be adjusted by pulling the positioning bolt 8 upward, so as to conveniently adjust the amount of mortar flowing out of the placement plate 14. Then, the tilt angle of the placement plate 14 can be adjusted by fitting the positioning ring 21 onto different positioning rods 19, so as to adjust the speed at which the mortar flows out of the surface of the placement plate 14. The setting of the buffer spring 28 can give the roller 15 a certain pressing force when rolling on the mortar surface, and also give the roller 15 a certain degree of extensibility, so as to facilitate the laying of mortar by the roller 15. Example 3:

[0039] Based on Embodiment 2, a grinding wheel 13 is provided to facilitate the unfolding of the poured mortar. Two sets of side plates 1 are provided, symmetrically distributed about the support plate 5. A handle 16 is provided at one end of the side plate 1, and a lifting handle 17 is provided on the surface of the side plate 1. A lifting hole 18 is opened on the side of the side plate 1, and one end of the lifting plate 3 can move up and down within the lifting hole 18. One end of the lifting plate 3 is fixedly connected to the side of the support plate 5. An electric push rod 2 is fixedly connected to the side of the side plate 1 and is powered by an external power source. A positioning rod 19 is provided on the inner side of the side plate 1. Multiple sets of positioning rods 19 are arranged in a regular arc. The placement plate 14 is connected to one end of the support plate 5 by a hinge. A second through hole 29 is opened on the surface of the support plate 5. A second bearing 30 is provided on the end face of the second through hole 29. A moving screw 31 is inserted into the inner ring surface of the second bearing 30. A second gear 32 is sleeved on the surface of the moving screw 31 and a moving seat 33 is screwed to it. A transparent cover 37 is provided on the surface of the support plate 5 to cover and protect the drive motor 11 and the second through hole 29. A corrugated plate 38 is provided on the surface of the support plate 5. The corrugated plate 38 has a certain elasticity. One end of the corrugated plate 38 is fixedly connected to the surface of the support plate 5, and the other end of the corrugated plate 38 is fixedly connected to the upper end face of a set of lifting holes 18. The corrugated plate 38 can cover the lifting holes 18. A gear 34 is sleeved on the transmission end of the drive motor 11. The gear 34 meshes with the second gear 32 to drive the moving screw 31 to rotate. One end of the drive motor 12 is fixedly connected to the lower surface of the moving seat 33. Limit switches are provided on the two end faces of the second through hole 29. When the moving seat 33 moves on the moving screw 31, it will cause the drive motor 11 to rotate in the opposite direction when it hits the limit switch, so that the moving seat 33 can start to move in the other direction of the moving screw 31.

[0040] When in use, the drive motor 11 can be started. The meshing of gear 34 and second gear 32 can make the moving screw 31 rotate with the second bearing 30, which can make the moving seat 33 move, thereby driving the grinding wheel 13 to move back and forth at the bottom of the support plate 5. The rotation of the grinding wheel 13 can spread the pushed mortar, avoiding the problem of mortar accumulation and inconvenience. The handle 16 can be used to pull the equipment, and the handle 17 can be used to easily carry and lift the equipment. The handle 17 also fixes the two sets of side plates 1. When the thickness of the mortar is increased, the electric push rod 2 can be started to move the support plate 5 upward on the inner side of the side plate 1. The corrugated plate 38 prevents the mortar from flowing out of the second set of lifting holes 22. When the lifting plate 3 moves upward, it can also drive the base 23 to move upward, which facilitates the use of the roller 15.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic mortar spreading device for masonry joints, characterized in that: The semi-automatic mortar spreading device for masonry joints includes: a side plate (1), an electric push rod (2) is provided on the outer side of the side plate (1), a lifting plate (3) is provided on the lifting end of the electric push rod (2), a positioning plate (4) is provided on the inner side of the side plate (1), a bottom plate (6) is provided on the side of the side plate (1), a groove (7) is provided on the surface of the bottom plate (6), a positioning bolt (8) is provided in the groove (7), and a baffle (9) is provided at one end of the positioning bolt (8); Support plate (5), support plate (5) is provided with bracket (10), support plate (10) is provided with drive motor (11), support plate (5) is provided with transmission motor (12), transmission end of transmission motor (12) is provided with grinding wheel (13), support plate (5) is provided with placement plate (14) at one end, and support plate (5) is provided with roller (15) below support plate (5). The side plate (1) has a second lifting hole (22) on its side. The inner side of the side plate (1) is provided with a base (23). One end of the base (23) can slide up and down in the second lifting hole (22). One end of the base (23) is fixedly connected to the side of the lifting plate (3). The surface of the base (23) is provided with a through hole (24). A vertical plate (25) is inserted into the through hole (24). The inner side of the vertical plate (25) is provided with a bearing (26). A rotating rod (27) is fixedly connected to the inner ring surface of the bearing (26). A roller (15) is fixedly connected to the end face of the rotating rod (27). A buffer spring (28) is provided on the surface of the vertical plate (25). One end of the buffer spring (28) is fixedly connected to the surface of the base (23). The other end of the buffer spring (28) is fixedly connected to the surface of the vertical plate (25).

2. The semi-automatic mortar spreading device for masonry joints according to claim 1, characterized in that: The side plate (1) is provided in two sets, and the two sets of side plates (1) are symmetrically distributed about the support plate (5). One end of the side plate (1) is provided with a handle (16), and the surface of the side plate (1) is provided with a lifting handle (17). The side of the side plate (1) is provided with a lifting hole (18). One end of the lifting plate (3) can move up and down in the lifting hole (18), and one end of the lifting plate (3) is fixedly connected to the side of the support plate (5).

3. The semi-automatic mortar spreading device for masonry joints according to claim 1, characterized in that: The electric push rod (2) is fixedly connected to the side of the side plate (1). The electric push rod (2) is powered by an external power source. The inner side of the side plate (1) is provided with a positioning rod (19). There are multiple sets of positioning rods (19). The multiple sets of positioning rods (19) are arranged in a regular arc. The placement plate (14) and the support plate (5) are connected at one end by a hinge.

4. The semi-automatic mortar spreading device for masonry joints according to claim 3, characterized in that: The surface of the placement plate (14) is provided with a second baffle (20) and a positioning ring (21). The positioning ring (21) has a certain elasticity and can be sleeved on the positioning rod (19). There are two sets of positioning rings (21), and the two sets of positioning rings (21) are symmetrically distributed about the placement plate (14).

5. A semi-automatic mortar spreading device for masonry joints according to claim 1, characterized in that: The support plate (5) has a second through hole (29) on its surface. A second bearing (30) is provided on the end face of the second through hole (29). A movable screw (31) is inserted into the inner ring of the second bearing (30). A second gear (32) is sleeved on the surface of the movable screw (31) and a movable seat (33) is screwed on it. A transparent cover (37) is provided on the surface of the support plate (5). The transparent cover (37) can be used to cover and protect the drive motor (11) and the second through hole (29). A corrugated plate (38) is provided on the surface of the support plate (5). The corrugated plate (38) has a certain elasticity. One end of the corrugated plate (38) is fixedly connected to the surface of the support plate (5), and the other end of the corrugated plate (38) is fixedly connected to the upper end face of a set of lifting holes (18). The corrugated plate (38) can cover the lifting holes (18).

6. The semi-automatic mortar spreading device for masonry joints according to claim 1, characterized in that: The drive motor (11) has a gear (34) sleeved on its transmission end. The gear (34) meshes with the second gear (32) for transmission. The meshing transmission of the gear (34) and the second gear (32) can drive the moving screw (31) to rotate. One end of the drive motor (12) is fixedly connected to the lower surface of the moving seat (33).

7. A semi-automatic mortar spreading device for masonry joints according to claim 1, characterized in that: The base plate (6) is fixedly connected to the inner side of the side plate (1). There are two sets of base plates (6), which are symmetrically distributed about the placement plate (14). The positioning bolts (8) are screwed with positioning nuts (35). The height of the baffle (9) can be fixed by the tight fit between the positioning nuts (35) and the base plate (6).

8. A semi-automatic mortar spreading device for masonry joints according to claim 5, characterized in that: Limit switches are provided on the two end faces of the second through hole (29). When the moving seat (33) moves on the moving screw (31) and hits the limit switch, the drive motor (11) will rotate in the opposite direction, so that the moving seat (33) can start to move in the other direction of the moving screw (31).