Prefabricated stair grouting and pouring device
The precast staircase grouting device, designed with a moving mechanism and splicing components, solves the problem of low grouting efficiency, enables rapid concrete filling of the mold, and adapts to the needs of molds of different sizes, thereby improving grouting efficiency and applicability.
Patent Information
- Application Number
- CN202520282150.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing precast staircase grouting equipment has low grouting efficiency, poor concrete fluidity, and cannot quickly fill the mold.
The precast staircase grouting device, designed with a moving mechanism and splicing components, uses a gantry structure and servo motor to drive the pouring head to move, combined with a mixing mechanism and material pump, to achieve rapid filling of the mold with concrete.
It improves grouting efficiency, adapts to the installation requirements of molds of different sizes, and enhances the applicability of the device.
Smart Images

Figure CN223890233U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of prefabricated staircase manufacturing technology, specifically a prefabricated staircase grouting and pouring device. Background Technology
[0002] Precast stairs refer to stairs that are prefabricated in a factory and then transported to the site for assembly. The manufacturing process includes formwork fabrication, rebar tying, concrete pouring, and curing, all of which are uniformly managed and monitored in the factory to ensure the quality of each staircase. Grouting is required during the precast stairs manufacturing process.
[0003] The patent publication number CN109779263A discloses a staircase pouring device for prefabricated buildings, which includes a movable base, a motor frame fixedly installed on the top of the movable base, a pouring pipe fixedly sleeved inside the discharge port by a bearing, and a positioning support sleeve movably sleeved on the outside of the pouring pipe at the end away from the discharge port.
[0004] As shown in the above technology, during the production of precast stairs, the raw materials are mixed by a grouting and pouring device and the concrete is poured into the mold of the precast stairs through a positioning tube. During grouting, the concrete is sent into the mold from the pouring pipe. However, the mold of the precast stairs is large in volume and the concrete has low fluidity, which results in low grouting efficiency and the concrete cannot be quickly filled into the mold of the precast stairs. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a precast staircase grouting device, which solves the problem of grouting efficiency in existing precast staircase grouting devices.
[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a precast staircase grouting and pouring device includes a mixing mechanism, a material pump, a pouring head and a precast staircase mold, wherein the pouring head pours concrete into the precast staircase mold through a moving mechanism;
[0007] The moving mechanism includes two bases, left and right, and a prefabricated stair mold is placed between the two bases. The top of each of the two bases is fixedly connected to a first slide rail. A gantry structure is slidably connected to the surfaces of the two first slide rails. The gantry structure moves back and forth on the two bases via a first drive assembly. A second drive assembly is provided on the gantry structure, and the second drive assembly is used to drive the pouring head to move left and right. The gantry structure includes two L-shaped rods on the left and right and two splicing rods. The two L-shaped rods are distributed on both sides, and the two splicing rods are located in the middle position. The connection is spliced by a splicing assembly.
[0008] Preferably, the two L-shaped rods are slidably connected to the surfaces of the two first slide rails, and the tops of the two L-shaped rods and the two splicing rods are fixedly connected to the second slide rails, with a movable frame slidably connected to the surface of the second slide rails.
[0009] Preferably, the second drive component includes a servo motor, which is fixedly connected to the top of the moving frame. A drive gear is fixedly connected to the output end of the servo motor. A rack is fixedly connected to the back of both the L-shaped rod and the splicing rod. The drive gear meshes with the rack for transmission.
[0010] Preferably, the splicing assembly includes a U-shaped groove and an insert block on the right side of the splicing rod. A T-shaped groove is formed at the top of the inner wall of the U-shaped groove. The insert block is slidably connected to the surface of the T-shaped groove through the T-shaped block and is located inside the U-shaped groove. A slot for matching the insert block is formed on the left side of the splicing rod. A trapezoidal groove is formed inside the insert block.
[0011] Preferably, the bottom of the splicing rod is slidably connected with two guide rods, which pass through the splicing rod and extend into the interior of the U-shaped groove. One end of the guide rod located inside the U-shaped groove is fixedly connected to a trapezoidal block, which is located inside the trapezoidal groove. The bottom of the splicing rod is threadedly connected to a lead screw, and one end of the lead screw is rotatably connected to the bottom of the trapezoidal block.
[0012] Preferably, the inlet of the material pump is connected to the mixing mechanism via a connecting pipe, the pouring head is connected to the outlet of the material pump via a flexible hose, and the pouring head is fixed to the front of the movable frame by a fixing hoop.
[0013] Beneficial effects
[0014] This utility model provides a precast staircase grouting device. Compared with the prior art, it has the following advantages:
[0015] 1. The precast staircase grouting and pouring device includes two bases on the left and right sides via a moving mechanism, and the precast staircase mold is placed between the two bases. The top of each base is fixedly connected to a first slide rail, and the surfaces of the two first slide rails are slidably connected to a gantry structure. When pouring the precast staircase, the moving mechanism drives the pouring head to move, thereby allowing the concrete to be quickly filled into the mold, which greatly improves the pouring efficiency of the device.
[0016] 2. The precast staircase grouting and pouring device includes a U-shaped groove and an insert block on the right side of the splicing rod through splicing components. A T-shaped groove is provided on the top of the inner wall of the U-shaped groove. The insert block is slidably connected to the surface of the T-shaped block and the T-shaped groove. The gantry structure in the moving mechanism is spliced together, which facilitates installation in the workshop. The width of the moving mechanism can be adjusted according to the size of the precast staircase mold, which improves the applicability of the device. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the appearance of the present utility model;
[0018] Figure 2 This is a partial schematic diagram of the present invention;
[0019] Figure 3 This is a partial schematic diagram of the moving mechanism of this utility model;
[0020] Figure 4 This is a schematic diagram of the splicing rod and splicing assembly of this utility model.
[0021] In the diagram: 1. Mixing mechanism; 2. Material pump; 3. Pouring head; 4. Moving mechanism; 41. Base; 42. First slide rail; 43. L-shaped rod; 44. Splicing rod; 45. Second slide rail; 46. Moving frame; 5. First drive assembly; 6. Splicing assembly; 61. U-shaped groove; 62. T-shaped groove; 63. Insert block; 64. Trapezoidal groove; 65. Guide rod; 66. Trapezoidal block; 67. Lead screw; 68. Slot; 7. Second drive assembly; 71. Servo motor; 72. Drive gear; 73. Rack; 8. Precast staircase mold. Detailed Implementation
[0022] 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.
[0023] Please see Figures 1-4 The precast staircase grouting and pouring device offers two technical solutions:
[0024] The first implementation method includes a mixing mechanism 1, a material pump 2, a pouring head 3 and a precast stair mold 8. The pouring head 3 pours concrete into the precast stair mold 8 through a moving mechanism 4.
[0025] The moving mechanism 4 includes two bases 41, one on the left and one on the right, and the precast staircase mold 8 is placed between the two bases 41. A first slide rail 42 is fixedly connected to the top of each base 41. A gantry structure is slidably connected to the surfaces of the two first slide rails 42. The gantry structure moves back and forth on the two bases 41 via a first drive assembly 5. A second drive assembly 7 is provided on the gantry structure, and the second drive assembly 7 is used to drive the pouring head 3 to move left and right. The gantry structure includes two L-shaped rods 43 on the left and right and two splicing rods 44. The two L-shaped rods 43... Distributed on both sides, two splicing rods 44 are located in the middle and are spliced together by splicing components 6. Two L-shaped rods 43 are slidably connected to the surfaces of two first slide rails 42 respectively. The tops of the two L-shaped rods 43 and the two splicing rods 44 are fixedly connected to second slide rails 45. The surfaces of the second slide rails 45 are slidably connected to a movable frame 46. The inlet of the material pump 2 is connected to the mixing mechanism 1 through a connecting pipe. The pouring head 3 is connected to the outlet of the material pump 2 through a hose. The pouring head 3 is fixed to the front of the movable frame 46 by a fixing hoop.
[0026] The second drive assembly 7 includes a servo motor 71, which is fixedly connected to the top of the moving frame 46. The output end of the servo motor 71 is fixedly connected to a drive gear 72. The back of the L-shaped rod 43 and the splicing rod 44 are both fixedly connected to racks 73. The drive gear 72 and the rack 73 mesh and transmit power. The first drive assembly 5 and the second drive assembly 7 have the same structure.
[0027] When pouring concrete for the precast stairs, the moving mechanism 4 drives the pouring head 3 to move, so that the concrete can be quickly poured into the mold, greatly improving the pouring efficiency of the device.
[0028] The second embodiment differs from the first embodiment in that: the splicing component 6 includes a U-shaped groove 61 and an insert 63 on the right side of the splicing rod 44. A T-shaped groove 62 is provided on the top of the inner wall of the U-shaped groove 61. The insert 63 is slidably connected to the surface of the T-shaped groove 62 through the T-shaped block, and the insert 63 is located inside the U-shaped groove 61. A slot 68 adapted to the insert 63 is provided on the left side of the splicing rod 44. A trapezoidal groove 64 is provided inside the insert 63. Two guide rods 65 are slidably connected to the bottom of the splicing rod 44, and the two guide rods 65 pass through the splicing rod 44 and extend into the interior of the U-shaped groove 61. A trapezoidal block 66 is fixedly connected to one end of the guide rod 65 inside the U-shaped groove 61, and the trapezoidal block 66 is located inside the trapezoidal groove 64. A lead screw 67 is threadedly connected to the bottom of the splicing rod 44, and one end of the lead screw 67 is rotatably connected to the bottom of the trapezoidal block 66.
[0029] The gantry structure in the moving mechanism 4 is assembled by splicing, which facilitates installation in the workshop and allows the width of the moving mechanism 4 to be adjusted according to the size of the prefabricated stair mold 8, thus improving the applicability of the device.
[0030] In use, the concrete is pumped into the pouring head 3, the second drive assembly 7 is activated, the servo motor 71 works and drives the drive gear 72 to rotate. The drive gear 72 rotates and cooperates with the rack 73 to move the moving frame 46, thereby laying the concrete horizontally into the precast stair mold 8. The first drive assembly 5 is activated to move the moving frame 46 longitudinally a certain distance, and the horizontal laying is carried out again. In addition, when the size of the precast stair mold 8 is changed, splicing rods 44 are added or removed between the two L-shaped rods 43. When splicing rods 44 are added, the insert block 63 is inserted into the slot 68. The screw 67 is rotated to move the trapezoidal block 66 upward and 88 upward and contact the inclined surface of the trapezoidal groove 64, thereby pushing the insert block 63 to the left to fasten it.
[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0032] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A precast staircase grouting device, comprising a mixing mechanism (1), a material pump (2), a pouring head (3), and a precast staircase mold (8), characterized in that: The pouring head (3) pours concrete into the precast staircase mold (8) through the moving mechanism (4); The moving mechanism (4) includes two bases (41) on the left and right, and the prefabricated stair mold (8) is placed between the two bases (41). The tops of the two bases (41) are fixedly connected to the first slide rails (42). The surfaces of the two first slide rails (42) are slidably connected to the gantry structure. The gantry structure moves back and forth on the two bases (41) through the first drive assembly (5). The gantry structure is provided with a second drive assembly (7), and the second drive assembly (7) is used to drive the pouring head (3) to move left and right. The gantry structure includes two L-shaped rods (43) on the left and right and two splicing rods (44). The two L-shaped rods (43) are distributed on both sides, and the two splicing rods (44) are located in the middle position. The connection is spliced by the splicing assembly (6).
2. The precast staircase grouting device according to claim 1, characterized in that: The two L-shaped rods (43) are slidably connected to the surfaces of the two first slide rails (42), and the tops of the two L-shaped rods (43) and the two splicing rods (44) are fixedly connected to the second slide rails (45), and the surface of the second slide rails (45) is slidably connected to the moving frame (46).
3. The precast staircase grouting device according to claim 1, characterized in that: The second drive assembly (7) includes a servo motor (71), which is fixedly connected to the top of the moving frame (46). The output end of the servo motor (71) is fixedly connected to a drive gear (72). The back of the L-shaped rod (43) and the splicing rod (44) are both fixedly connected to racks (73). The drive gear (72) meshes with the rack (73) for transmission.
4. The precast staircase grouting device according to claim 1, characterized in that: The splicing assembly (6) includes a U-shaped groove (61) and a plug (63) on the right side of the splicing rod (44). A T-shaped groove (62) is provided on the top of the inner wall of the U-shaped groove (61). The plug (63) is slidably connected to the surface of the T-shaped groove (62) through the T-shaped block, and the plug (63) is located inside the U-shaped groove (61). A slot (68) for matching the plug (63) is provided on the left side of the splicing rod (44). A trapezoidal groove (64) is provided inside the plug (63).
5. The precast staircase grouting device according to claim 4, characterized in that: The bottom of the splicing rod (44) is slidably connected with two guide rods (65), and the two guide rods (65) pass through the splicing rod (44) and extend into the interior of the U-shaped groove (61). One end of the guide rod (65) located inside the U-shaped groove (61) is fixedly connected to a trapezoidal block (66), and the trapezoidal block (66) is located inside the trapezoidal groove (64). The bottom of the splicing rod (44) is threadedly connected with a lead screw (67), and one end of the lead screw (67) is rotatably connected to the bottom of the trapezoidal block (66).
6. The precast staircase grouting device according to claim 2, characterized in that: The inlet of the material pump (2) is connected to the mixing mechanism (1) through a connecting pipe, and the pouring head (3) is connected to the outlet of the material pump (2) through a hose. The pouring head (3) is fixed to the front of the moving frame (46) by a fixing hoop.
Citation Information
Patent Citations
Stair pouring device for prefabricated building
CN109779263A