Feeding device for constructional engineering and operation method thereof

Abstract

The invention discloses a feeding device for constructional engineering and an operation method of the feeding device, and relates to the technical field of feeding devices for constructional engineering, the feeding device comprises a feeding assembly, the feeding assembly comprises a supporting frame, a transmission belt is arranged on the inner side of the supporting frame, and a six-edge shaft is fixedly connected to the outer wall of one end of the transmission belt; the upper end, close to the driven gear, of the supporting frame is fixedly connected with an upper sliding groove. Wherein a feeding frame is arranged on one side of the six-edge shaft, a positioning groove is formed in one side of the feeding frame, and a lifting frame is arranged on one side of the positioning groove; wherein a wedging groove is formed in the middle of the lower end of the stable frame, a guide roller is arranged on one side of the wedging groove, the wedging groove is clamped with the six-edge shaft conveniently, a positioning groove is clamped with a movable rolling wheel, the stability of the feeding frame and the storage trolley during feeding is improved, and when the feeding frame moves to the highest position and the lowest position of a transmission belt, the conveying belt can be driven by the guide roller to rotate. And the storage trolley can be conveniently and rapidly taken out of and placed in the feeding frame, and the purpose of improving the concrete feeding efficiency is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of construction engineering feeding devices, in particular to a construction engineering feeding device and an operating method thereof. Background Art

[0002] Concrete is not only the basis of structural support and stability in construction projects, but also reflects economy, environmental protection, construction flexibility and aesthetic value. With the continuous advancement and innovation of technology, the application prospects of concrete will be broader.

[0003] The patent document with announcement number CN211997401U discloses a construction material transportation device, including a mounting plate, wherein two vertical plates are fixedly connected to the upper end of the mounting plate, and a plurality of horizontally arranged rotating shafts are rotatably connected to the side walls opposite to the vertical plates, and a transmission roller is fixedly sleeved on the rotating shaft, and a plurality of transmission rollers on the same vertical plate are sleeved on the same transmission belt, and a plurality of fixed blocks are fixedly connected to the side walls of the transmission belt away from the transmission roller, and a fixed rod is fixedly connected between the fixed blocks opposite to each other on the two transmission belts, and a rotating sleeve is rotatably sleeved on the fixed rod, and a placing plate is provided on the lower side of the rotating sleeve, and the placing plate is fixedly connected to the rotating sleeve through a connecting rod, and a driving box is fixedly connected to the upper end of the mounting plate, and the driving box is fixedly connected to the vertical plate, and the rotating shaft is rotatably connected to the inner side wall of the driving box, and a driving mechanism for driving the rotating shaft to rotate is provided in the driving box, and by providing the placing plate, while saving manpower in transportation, the material can also be kept in a stable state during transportation, but the patent still has the following problems in actual use: The transport device prevents material spillage when the loading bucket shakes during movement by means of an inverted trapezoidal placement trough and the presence of multiple limit plates. However, since the transport device is rotatably connected between the rotating rod and the fixed sleeve when in use, the placement plate is still prone to shaking, resulting in poor stability of the concrete during feeding. In addition, the inverted trapezoidal placement trough is inconvenient for taking out heavier concrete, which affects the concrete feeding efficiency.

[0004] Therefore, we propose a feeding device for construction engineering and an operating method thereof, so as to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a feeding device for construction engineering and an operating method thereof, so as to solve the problem that the transport device has an inverted trapezoidal placement groove and a plurality of limit plates, so as to prevent material spillage when the loading bucket shakes during movement. However, since the transport device is rotatably connected between the rotating rod and the fixed sleeve when in use, the placement plate is still prone to shaking, resulting in poor stability of concrete during feeding, and the inverted trapezoidal placement groove is inconvenient for taking out heavier concrete, thereby affecting the feeding efficiency of the concrete.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a feeding device for construction engineering and an operating method thereof, comprising a feeding assembly and a motor installed on one side of the lower end of the outer wall of the feeding assembly; A limiting structure is provided at the upper end of the feeding assembly; Also includes: The feeding assembly includes a support frame, a driving gear is rotatably connected in the middle of the inner wall at the lower end of the support frame, a transmission belt is meshedly connected to the outer side of the driving gear, and the upper end of the inner side of the transmission belt is meshedly connected to the driven gear, a hexagonal shaft is fixedly connected to the outer wall of one end of the transmission belt, a round shaft is fixedly connected to one end of the hexagonal shaft, and the hexagonal shaft is fixedly connected to both ends of the round shaft, an upper slide groove is fixedly connected to the upper end of the driven gear close to the support frame, and a lower slide groove is installed on the inner side of the support frame close to the driving gear; Among them, a feeding rack is rotatably connected to the outer side of the circular shaft, a positioning groove is symmetrically and vertically opened on the bottom surface of the feeding rack, a lifting groove is horizontally opened in the middle of the positioning groove, a lifting rack is slidably connected in the middle of the lifting groove, a lifting rack is fixedly connected to the outer wall of one side of the lifting rack, the lifting rack is slidably connected to the middle of the positioning groove, and stabilizing racks are fixedly connected at both ends of the lifting rack; Among them, a fitting groove is provided in the middle of the lower end of the stabilizing frame, and the fitting groove is fitted with one side of the outer wall of the hexagonal shaft, and a rotation groove is provided at the lower end of the fitting groove, and a rotating shaft is rotatably connected to the middle of the upper end of the stabilizing frame, and a sleeve is fixedly connected to the outer side of one end of the rotating shaft, and a locking block is slidably connected to the middle of the sleeve, and an extrusion spring is fixedly connected to the end of the locking block close to the sleeve, and an end of the locking block away from the extrusion spring is fixedly connected to the inner wall of the sleeve, and a locking tooth groove is provided inside the upper end of the stabilizing frame, and an end of the locking block away from the sleeve overlaps the locking tooth groove, and the other end of the rotating shaft is fixedly connected to the rotating rod, and guide rollers are rotatably connected to both ends of the rotating rod.

[0007] Preferably, the support frame is configured to be U-shaped, and the driving gear, driven gear and transmission belt are symmetrically arranged in the middle of the support frame, one end of the driving gear passes through the support frame and is connected to the output end of the motor, and the driven gear is rotatably connected to the inner wall of the upper end of the support frame.

[0008] By adopting the above technical solution, the positioning of the driving gear, the driven fixed gear and the transmission belt is facilitated.

[0009] Preferably, the circular shaft is fixedly connected to the inner sides of the two sets of transmission belts through a hexagonal shaft, the upper slide groove is arranged above the outer side of the upper end transmission belt, the lower slide groove is arranged above the inner side of the transmission belt, and the side of the upper end of the lower slide groove close to the driving gear is fixedly connected to the support frame on the side above the driving gear.

[0010] By adopting the technical solution, the positioning of the upper slide chute and the lower slide chute is facilitated.

[0011] Preferably, the upper end of the stabilizing frame is slidably connected to the middle of the upper slide groove and the lower slide groove respectively through guide rollers.

[0012] By adopting the above technical solution, the connection between the guide roller and the upper chute and the lower chute is facilitated.

[0013] Preferably, the limiting structure includes a limiting block, a limiting groove is evenly provided on one side in the middle of the driven gear, one end of the limiting block passes through the support frame and is plugged into the middle of the limiting groove, one end of the limiting block is fixedly connected to a connecting plate, a side of the connecting plate away from the limiting block is fixedly connected to a limiting spring, an end of the limiting spring away from the connecting plate is fixedly connected to a limiting frame, and the limiting frame is fixedly connected to a side of the upper end of the support frame away from the driven gear.

[0014] By adopting the above technical solution, the limiting of the driven gear is facilitated.

[0015] Preferably, the limiting grooves are provided in no less than six groups, and one end of the limiting block away from the connecting plate is slidably connected to a side of the driven gear close to the supporting frame.

[0016] By adopting the above technical solution, it is convenient to prevent the driven gear from rotating backward.

[0017] Preferably, a material storage structure is provided in the middle of the feeding rack, and the material storage structure includes a material storage cart, and a movable roller is rotatably connected to the bottom of the material storage cart.

[0018] By adopting the technical solution, the storage of concrete is facilitated.

[0019] Preferably, the movable roller is plugged into the middle of the positioning groove, and the movable roller is slidably connected to the top surface of the lifting frame.

[0020] By adopting the above technical solution, the material storage vehicle can be placed stably.

[0021] A feeding device for construction engineering and an operation method thereof, the steps of using the method are as follows: Step 1: Pour the concrete into the storage cart, place the storage cart in the middle of the feeding rack, and engage the moving roller at the bottom of the storage cart with the middle of the positioning groove, so as to prevent the storage cart from sliding in the feeding rack during the concrete feeding process, resulting in poor stability during feeding; Step 2: By connecting the power supply of the motor on one side of the support frame, the motor drives the driving gear to rotate, and the transmission belt drives the driven gear to rotate. At the same time, the driven gear pushes the limit block to make the connecting plate shrink toward the limit spring on one side of the limit frame, and then the limit block is engaged with the middle of the limit groove again, so as to prevent the heavy force on one side from causing serious wear between the transmission belt and the driving gear and the driven gear when the feeding device is unloaded on one side, and at the same time reduce the damage to the motor output shaft, so as to extend the service life of the motor; Step 3: The hexagonal shaft at the end of the transmission belt is engaged with the engagement groove at the lower end of the stabilizing frame, and the feed frame is driven to rise by the circular shaft, so as to achieve the effect of feeding concrete upwards. At the same time, it is convenient to prevent the feed frame from shaking in the transmission belt, thereby improving the stability of concrete during transportation and reducing the loss of concrete spilling caused by shaking. Step three: when the guide roller on one side of the stabilizing frame is plugged into the middle of the upper slide groove or the lower slide groove, the feeding frame is about to move to the highest or lowest point, and in the process of the transmission belt moving, the guide roller drives the sleeve to rotate through the rotating shaft on one side of the rotating rod. At this time, the locking block continuously pushes the extrusion spring to shrink to the middle of the sleeve, and then plugs into the middle of the locking tooth groove. At the same time, the guide roller drives the stabilizing frame to rise through the rotating shaft. At this time, the hexagonal shaft falls into the rotating groove, and the hexagonal shaft rotates with the transmission belt. At the same time, the stabilizing frame pulls the lifting frame and the lifting frame to rise in the lifting groove and the positioning groove respectively, so that the top surface of the lifting frame is level with the top surface of the feeding frame, thereby achieving the effect of separating the moving roller at the bottom of the storage car from the positioning groove, achieving the effect of conveniently taking the storage car out of the feeding frame and improving the efficiency of concrete feeding.

[0022] Compared with the prior art, the beneficial effects of the present invention are: it is convenient to engage with the hexagonal shaft through the fitting groove, and the positioning groove in the feeding rack is engaged with the moving roller at the bottom of the storage car, so as to improve the stability of the feeding rack and the storage car during feeding, greatly reduce the shaking of concrete during feeding, and facilitate to reduce the waste of concrete during feeding. When the feeding rack moves to the highest and lowest points of the transmission belt, the lifting rack is flush with the surface of the feeding rack, which is convenient for quickly taking out and placing the storage car from the feeding rack, so as to achieve the purpose of improving the concrete feeding efficiency, and prevent the driven gear from reversing, so as to share the pulling force of the transmission belt on the driven gear, thereby achieving the effect of extending the service life of the transmission belt, the driving gear and the driven gear. The specific contents are as follows: 1. By setting the hexagonal shaft and the round shaft, when the concrete storage car rises, the hexagonal shaft cooperates with the fitting groove, and when the feeding frame is about to move to the highest or lowest point, the guide roller moves in the upper slide groove and the lower slide groove to drive the rising of the rotating groove of the stabilizing frame, so that the hexagonal shaft falls into the rotating groove without affecting the rotation of the hexagonal shaft, and then the fitting groove is engaged with the hexagonal shaft again, so as to reduce the shaking of the feeding frame on the hexagonal groove and improve the stability of the feeding frame during feeding, and the positioning groove in the feeding frame is engaged with the moving roller at the bottom of the storage car, so as to improve the stability of the storage car placed in the feeding frame, greatly reduce the shaking of concrete during feeding, and facilitate to reduce the waste of concrete during feeding; 2. When the feeding rack moves to the highest and lowest points of the transmission belt, the guide roller drives the stabilizing rack, the lifting rack and the lifting rack to rise, so that the lifting rack and the feeding rack surface are flush, so that the concrete storage car is separated from the positioning groove, so that the storage car can be quickly taken out and placed from the feeding rack, thereby achieving the purpose of improving the concrete feeding efficiency; 3. By setting the engagement of the limit groove and the limit block at the driven gear and resetting under the action of the limit spring, it is convenient to reduce the unloaded state on one side of the transmission belt, which leads to uneven force on both sides of the transmission belt. The movement of the transmission belt is driven only by the gears, so that the friction between the transmission belt and the driving gear and the driven gear is relatively large, thereby preventing the driven gear from reversing. It is also convenient to share the pulling force of the transmission belt on the driven gear, reduce the friction on the transmission belt and the driven gear, and thus achieve the effect of extending the service life of the transmission belt and the driven gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the side section structure of the present invention; Figure 3 It is a schematic diagram of the side section structure of the support frame of the present invention; Figure 4 This is a schematic diagram of the hexagonal shaft structure of the present invention; Figure 5 It is a schematic diagram of the structure of the feeding rack of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the feeding rack of the present invention; Figure 7 This is a schematic diagram of the locking tooth groove structure of the present invention; Figure 8 It is a schematic diagram of the limiting structure of the present invention; Fig. 9 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Fig.10 For the present invention Figure 2The enlarged structural diagram at B in the middle; Fig.11 For the present invention Figure 6 Enlarged structural diagram at point C in the middle.

[0024] In the figure: 1, feeding assembly; 101, support frame; 102, motor; 103, driving gear; 104, transmission belt; 105, driven gear; 106, hexagonal shaft; 107, round shaft; 108, feeding frame; 109, positioning groove; 110, lifting groove; 111, lifting frame; 112, lifting frame; 113, stabilizing frame; 114, fitting groove; 115, rotating groove; 116, rotating shaft ; 117, sleeve; 118, extrusion spring; 119, locking block; 120, locking tooth groove; 121, rotating rod; 122, guide roller; 123, upper slide groove; 124, lower slide groove; 2, limiting structure; 201, limiting groove; 202, limiting block; 203, connecting plate; 204, limiting spring; 205, limiting frame; 3, material storage structure; 301, material storage cart; 302, moving roller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 11The present invention provides a technical solution: a feeding device for construction engineering and an operation method thereof, comprising a feeding assembly 1, and a motor 102 installed on one side of the lower end of the outer wall of the feeding assembly 1; a limiting structure 2 is arranged at the upper end of the feeding assembly 1; and further comprising: the feeding assembly 1 comprises a support frame 101, a driving gear 103 is rotatably connected to the middle of the inner wall of the lower end of the support frame 101, a transmission belt 104 is meshedly connected to the outer side of the driving gear 103, and the upper end of the inner side of the transmission belt 104 is meshedly connected to the inner side of the transmission belt 104. There is a driven gear 105, the outer wall of one end of the transmission belt 104 is fixedly connected with a hexagonal shaft 106, one end of the hexagonal shaft 106 is fixedly connected with a round shaft 107, the hexagonal shaft 106 is fixedly connected to both ends of the round shaft 107, the upper end of the support frame 101 near the driven gear 105 is fixedly connected with an upper slide groove 123, and the inner side of the support frame 101 near the driving gear 103 is installed with a lower slide groove 124; the support frame 101 is set to a U-shape, the driving gear 103, the driven gear 105 and the transmission belt 104 are fixedly connected with a hexagonal shaft 106, one end of the hexagonal shaft 106 is fixedly connected with a round shaft 107, the hexagonal shaft 106 is fixedly connected to both ends of the round shaft 107, and the upper end of the support frame 101 near the driven gear 105 is fixedly connected with an upper slide groove 123. The driven belt 104 is symmetrically arranged in the middle of the support frame 101, one end of the driving gear 103 passes through the support frame 101 and is connected to the output end of the motor 102, and the driven gear 105 is rotatably connected to the inner wall of the upper end of the support frame 101; the circular shaft 107 is fixedly connected to the inner side of the two sets of transmission belts 104 through the hexagonal shaft 106, the upper slide groove 123 is arranged above the outer side of the upper end transmission belt 104, and the lower slide groove 124 is arranged above the inner side of the transmission belt 104, and the upper end of the lower slide groove 124 is close to the driving gear 103. The side of the upper end of the lower slide groove 124 is fixedly connected to the support frame 101 on the upper side of the driving gear 103; the upper end of the stabilizing frame 113 is respectively slidably connected to the middle of the upper slide groove 123 and the lower slide groove 124 through the guide roller 122, and the cooperation of the hexagonal shaft 6 and the fitting groove 114 is arranged, under the action of the storage vehicle 301 and the weight of concrete, the feeding frame 108 is prevented from rotating, thereby facilitating the effect of improving the stability during feeding and greatly reducing the waste of concrete during feeding.

[0027] Among them, the outer side of the circular shaft 107 is rotatably connected with a feeding rack 108, and the bottom surface of the feeding rack 108 is symmetrically vertically provided with a positioning groove 109, and the middle of the positioning groove 109 is horizontally provided with a lifting groove 110, and the middle of the lifting groove 110 is slidably connected with a lifting rack 112, and the outer wall of one side of the lifting rack 112 is fixedly connected with a lifting rack 111, and the lifting rack 111 is slidably connected to the middle of the positioning groove 109, and the two ends of the lifting rack 112 are fixedly connected with a stabilizing rack 113. By setting the positioning groove 109 on the feeding rack 108, it is convenient to position the positioning groove The engagement of 109 with the moving roller 302 at the bottom of the storage cart 301 improves the stability of the storage cart 302 in the feeding rack 108, greatly reduces the shaking during concrete feeding, and facilitates reducing the waste of concrete during feeding. The guide roller 122 drives the stabilizing frame 113, the lifting frame 112 and the lifting frame 111 to rise, so that the lifting frame 111 is flush with the surface of the feeding rack 108, which is convenient for the storage cart 301 to be quickly taken out and placed from the feeding rack 108, thereby achieving the purpose of improving the concrete feeding efficiency.

[0028] Among them, a fitting groove 114 is provided in the middle of the lower end of the stabilizing frame 113, and the fitting groove 114 fits with one side of the outer wall of the hexagonal shaft 106, and a rotation groove 115 is provided at the lower end of the fitting groove 114. A rotating shaft 116 is rotatably connected in the middle of the upper end of the stabilizing frame 113, and a sleeve 117 is fixedly connected to the outer side of one end of the rotating shaft 116. A locking block 119 is slidably connected in the middle of the sleeve 117, and an end of the locking block 119 close to the sleeve 117 is fixedly connected to an extrusion spring 118, and an end of the locking block 119 away from the extrusion spring 118 is fixedly connected to the inner wall of the sleeve 117, so as to stabilize the stabilizing frame 113. A locking tooth groove 120 is provided inside the upper end of the frame 113, and the end of the locking block 119 away from the sleeve 117 is overlapped with the locking tooth groove 120, and the other end of the rotating shaft 116 is fixedly connected to the rotating rod 121, and the two ends of the rotating rod 121 are rotatably connected to the guide rollers 122. Through the engagement of the locking block 119 in the locking tooth groove 120, it is convenient to position the guide roller 122 separated from the upper slide groove 123 or the lower slide groove 124, so that the guide roller 122 can enter the lower slide groove 124 or the upper slide groove 123 again, thereby achieving the purpose of continuous feeding and improving the feeding efficiency of concrete.

[0029] The limiting structure 2 includes a limiting block 202, a limiting groove 201 is evenly provided on one side in the middle of the driven gear 105, one end of the limiting block 202 passes through the support frame 101 and is plugged into the middle of the limiting groove 201, one end of the limiting block 202 is fixedly connected to a connecting plate 203, a side of the connecting plate 203 away from the limiting block 202 is fixedly connected to a limiting spring 204, an end of the limiting spring 204 away from the connecting plate 203 is fixedly connected to a limiting frame 205, and the limiting frame 205 is fixedly connected to the support frame 101. The upper end of the support frame 101 is away from the side of the driven gear 105; there are no less than six groups of limiting grooves 201, and the end of the limiting block 202 away from the connecting plate 203 is slidably connected to the side of the driven gear 105 close to the support frame 101. The limiting block 202 limits the driven gear 105, which is convenient for preventing the driven gear 105 from reversing, and is also convenient for sharing the pulling force of the transmission belt 104 on the driven gear 105, thereby achieving the effect of extending the service life of the transmission belt 104 and the driven gear 105.

[0030] A material storage structure 3 is arranged in the middle of the feeding rack 108, and the material storage structure 3 includes a material storage cart 301, and the bottom of the material storage cart 301 is rotatably connected with a moving roller 302; the moving roller 302 is plugged into the middle of the positioning groove 109, and the moving roller 302 is slidably connected to the top surface of the lifting frame 111, which is convenient for the storage of concrete and the movement of the material storage cart 301, thereby achieving the purpose of improving the concrete feeding efficiency.

[0031] Working principle: Figure 1-Figure 11 As shown, when using the device, first, the moving roller 302 at the bottom of the storage cart 301 is engaged with the middle of the positioning groove 109 in the middle of the feeding rack 108, and by connecting the power of the motor 102 on one side of the support frame 101, the motor 102 drives the driving gear 103 to rotate, and the transmission belt 104 drives the driven gear 105 to rotate. At this time, the driven gear 105 pushes the limit block 202 to make the connecting plate 203 contract toward the limit spring 204 on one side of the limit frame 205, and then the limit block 202 is engaged with the middle of the limit groove 201 again.

[0032] Secondly, through the fit of the hexagonal shaft 106 at the end of the transmission belt 104 with the fit groove 114 at the lower end of the stabilizing frame 113, and the rise of the feeding frame 108 is driven by the round shaft 107, when the guide roller 122 on one side of the stabilizing frame 113 is plugged into the middle of the upper slide groove 123 or the lower slide groove 124, the guide roller 122 drives the sleeve 117 to rotate through the rotating shaft 116 on one side of the rotating rod 121. At this time, the locking block 119 continuously pushes the extrusion spring 118 to shrink toward the middle of the sleeve 117, and then plugs into the middle of the locking tooth groove 120.

[0033] Finally, at the same time, the guide roller 122 drives the stabilizing frame 113 to rise through the rotating shaft 116. At this time, the hexagonal shaft 106 falls into the rotating groove 115, and the hexagonal shaft 106 rotates following the transmission belt 104. At the same time, the stabilizing frame 113 pulls the lifting frame 112 and the lifting frame 111 to rise in the lifting groove 110 and the positioning groove 109 respectively, so that the top surface of the lifting frame 111 is level with the top surface of the feeding frame 108, and the storage cart 301 can be taken out.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A material feeding device for construction engineering, comprising a material feeding assembly (1), and a motor (102) mounted on one side of a lower end of an outer wall of the material feeding assembly (1); A limiting structure (2) is provided at the upper end of the feeding assembly (1); It is characterized in that Also includes: The feeding assembly (1) comprises a support frame (101), a driving gear (103) is rotatably connected to the middle of the inner wall at the lower end of the support frame (101), a transmission belt (104) is meshedly connected to the outer side of the driving gear (103), and a driven gear (105) is meshedly connected to the upper end of the inner side of the transmission belt (104), a hexagonal shaft (106) is fixedly connected to the outer wall of one end of the transmission belt (104), a round shaft (107) is fixedly connected to one end of the hexagonal shaft (106), and the hexagonal shaft (106) is fixedly connected to both ends of the round shaft (107), an upper slide groove (123) is fixedly connected to the upper end of the support frame (101) near the driven gear (105), and a lower slide groove (124) is installed on the inner side of the support frame (101) near the driving gear (103); The outer side of the circular shaft (107) is rotatably connected to a feeding rack (108); a positioning groove (109) is symmetrically and vertically provided on the bottom surface of the feeding rack (108); a lifting groove (110) is horizontally provided in the middle of the positioning groove (109); a lifting rack (112) is slidably connected in the middle of the lifting groove (110); a lifting rack (111) is fixedly connected to the outer wall of one side of the lifting rack (112); the lifting rack (111) is slidably connected to the middle of the positioning groove (109); and stabilizing racks (113) are fixedly connected at both ends of the lifting rack (112); The middle of the lower end of the stabilizing frame (113) is provided with a fitting groove (114), the fitting groove (114) is fitted with one side of the outer wall of the hexagonal shaft (106), the lower end of the fitting groove (114) is provided with a rotation groove (115), the middle of the upper end of the stabilizing frame (113) is rotatably connected with a rotation shaft (116), the outer side of one end of the rotation shaft (116) is fixedly connected with a sleeve (117), the middle of the sleeve (117) is slidably connected with a locking block (119), the locking block (119) is close to the sleeve ( One end of the stabilizing frame (113) is fixedly connected to a compression spring (118), one end of the compression spring (118) away from the locking block (119) is fixedly connected to the inner wall of the sleeve (117), a locking tooth groove (120) is provided inside the upper end of the stabilizing frame (113), one end of the locking block (119) away from the sleeve (117) is overlapped with the locking tooth groove (120), the other end of the rotating shaft (116) is fixedly connected to a rotating rod (121), and both ends of the rotating rod (121) are rotatably connected to guide rollers (122).

2. A feeding device for construction engineering according to claim 1, characterized in that: The support frame (101) is arranged in a U shape, and the driving gear (103), the driven gear (105) and the transmission belt (104) are symmetrically arranged in the middle of the support frame (101); one end of the driving gear (103) passes through the support frame (101) and is connected to the output end of the motor (102); and the driven gear (105) is rotatably connected to the inner wall of the upper end of the support frame (101).

3. A feeding device for construction engineering according to claim 2, characterized in that: The circular shaft (107) is fixedly connected to the inner sides of the two sets of transmission belts (104) via the hexagonal shaft (106); the upper slide groove (123) is arranged above the outer side of the upper end transmission belt (104); the lower slide groove (124) is arranged above the inner side of the transmission belt (104); and the upper end of the lower slide groove (124) is fixedly connected to the support frame (101) on the upper side of the driving gear (103) on a side close to the driving gear (103).

4. A feeding device for construction engineering according to claim 1, characterized in that: The upper end of the stabilizing frame (113) is slidably connected to the middle of the upper slide groove (123) and the lower slide groove (124) respectively via a guide roller (122).

5. A feeding device for construction engineering according to claim 1, characterized in that: The limiting structure (2) comprises a limiting block (202), a limiting groove (201) is evenly provided on one side in the middle of the driven gear (105), one end of the limiting block (202) passes through the support frame (101) and is plugged into the middle of the limiting groove (201), one end of the limiting block (202) is fixedly connected to a connecting plate (203), a side of the connecting plate (203) away from the limiting block (202) is fixedly connected to a limiting spring (204), an end of the limiting spring (204) away from the connecting plate (203) is fixedly connected to a limiting frame (205), and the limiting frame (205) is fixedly connected to a side of the upper end of the support frame (101) away from the driven gear (105).

6. A feeding device for construction engineering according to claim 5, characterized in that: The limiting grooves (201) are provided in at least six groups, and one end of the limiting block (202) away from the connecting plate (203) is slidably connected to a side of the driven gear (105) close to the supporting frame (101).

7. A feeding device for construction engineering according to claim 1, characterized in that: A material storage structure (3) is arranged in the middle of the material feeding rack (108), and the material storage structure (3) comprises a material storage trolley (301), and a movable roller (302) is rotatably connected to the bottom of the material storage trolley (301).

8. A feeding device for construction engineering according to claim 7, characterized in that: The movable roller (302) is plugged into the middle of the positioning groove (109), and the movable roller (302) is slidably connected to the top surface of the lifting frame (111).

9. A method for operating a feeding device for construction engineering, characterized in that: Using the feeding device for construction engineering as claimed in claim 8, the steps of using the method are as follows: Step 1: pouring concrete into the storage cart (301), placing the storage cart (301) in the middle of the feeding rack (108), and engaging the moving roller (302) at the bottom of the storage cart (301) with the middle of the positioning groove (109), so as to prevent the storage cart (301) from sliding in the feeding rack (108) during the concrete feeding process, resulting in poor stability during feeding; Step 2: by connecting the power supply of the motor (102) on one side of the support frame (101), the motor (102) drives the driving gear (103) to rotate, and the transmission belt (104) drives the driven gear (105) to rotate, and at the same time, the driven gear (105) pushes the limit block (202) to make the connecting plate (203) shrink toward the limit spring (204) on one side of the limit frame (205), and then the limit block (202) is again engaged with the middle of the limit groove (201), so as to prevent the heavy force on one side from causing serious wear between the transmission belt (104) and the driving gear (103) and the driven gear (105) when the feeding device is unloaded on one side, and at the same time reduce the damage to the output shaft of the motor (102), so as to achieve the effect of extending the service life of the motor (102); Step 3: The hexagonal shaft (106) at the end of the transmission belt (104) is engaged with the engagement groove (114) at the lower end of the stabilizing frame (113), and the feeding frame (108) is driven to rise by the circular shaft (107), so as to achieve the effect of feeding concrete upwards, and at the same time, it is convenient to prevent the feeding frame (108) from shaking in the transmission belt (104), thereby improving the stability of concrete during transportation and reducing the loss of concrete spilling due to shaking; Step 3: When the guide roller (122) on one side of the stabilizing frame (113) is plugged into the middle of the upper slide groove (123) or the lower slide groove (124), the feeding frame (108) is about to move to the highest point or the lowest point, and during the movement of the transmission belt (104), the guide roller (122) drives the sleeve (117) to rotate through the rotating shaft (116) on one side of the rotating rod (121). At this time, the locking block (119) continuously pushes the extrusion spring (118) to shrink toward the middle of the sleeve (117), and then plugs into the middle of the locking tooth groove (120). At the same time, the guide roller (122) drives the stabilizing frame (113) through the rotating shaft (116). The fixed frame (113) rises, and the hexagonal shaft (106) falls into the rotating groove (115), and the hexagonal shaft (106) rotates along with the transmission belt (104). At the same time, the stabilizing frame (113) pulls the lifting frame (112) and the lifting frame (111) to rise in the lifting groove (110) and the positioning groove (109) respectively, so that the top surface of the lifting frame (111) is flush with the top surface of the feeding frame (108), so that the moving roller (302) at the bottom of the storage vehicle (301) is separated from the positioning groove (109), so that the storage vehicle (301) can be conveniently taken out from the feeding frame (108), and the efficiency of concrete feeding is improved.

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