Multifunctional trolley based on cement pipe transfer

By designing the base frame, counterweight, and shock-absorbing components of a multi-functional handcart, the contradiction between fixing and shock absorption during the transportation of cement pipes was resolved, achieving stable transportation and safe operation for different specifications.

CN121246904AActive Publication Date: 2026-01-02FUJIAN HONGQI BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202511838607.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-08
Publication Date
2026-01-02
Estimated Expiration
2045-12-08

AI Technical Summary

Technical Problem

Existing cement pipe transfer equipment presents a trade-off between flexibility and stability, leading to a risk of damage or injury to operators during the transfer of large-diameter cement pipes.

Method used

A multi-functional handcart was designed, comprising a base frame, a steering wheel assembly, a fixed wheel assembly, a top frame, a screw, a connecting rod, a mounting box, a fixing block, a counterweight assembly, and a shock-absorbing assembly. The cement pipe is adjustable and stabilized and its shock is damped through threaded connections and a sliding groove structure. The counterweight assembly is balanced to reduce the risk of imbalance, and the shock-absorbing assembly buffers the sliding to reduce damage.

Benefits of technology

It achieves stable fixing and vibration reduction of cement pipes of different specifications, reduces the risk of injury to operators, and reduces damage to cement pipes during transportation.

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Abstract

The invention discloses a multifunctional trolley based on cement pipe transfer, and relates to the technical field of trolleys. Comprising a base frame, a steering wheel set and a fixed wheel set are installed at the left end and the right end of the bottom of the base frame respectively, a top frame is fixed to the top of the base frame, a first screw is rotationally connected between a front protruding block and a rear protruding block at the top of the base frame, and a second connecting rod and a first connecting rod are sequentially in threaded connection with the outer side of the first screw from front to back; through cooperation of a first connecting rod and a balance weight assembly, balance weight balance adjustment of a worker operation end of the transfer equipment is carried out when a large-specification cement pipe is transferred, the head warping risk of the transfer equipment caused by unbalance in the cement pipe loading and transferring process is reduced, the equipment safety is improved, meanwhile, through linkage corresponding adjustment of a damping assembly and a mounting box, the safety of the equipment is improved, and the safety of the equipment is improved. And the corresponding damping and buffering effects of the transferring equipment can be adjusted according to the cement pipes with the large specifications when the cement pipes are transferred.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of trolleys, in particular to a multifunctional trolley based on cement pipe transfer. BACKGROUND

[0002] Cement pipes are widely used in municipal engineering, farmland water conservancy, construction and other fields, and have the characteristics of heavy weight, large volume, fragility and the like. At the construction site, it is often necessary to transfer the cement pipes from the stacking area to the installation position. The traditional manual carrying method is low in efficiency, high in labor intensity and has high safety risks. Professional transfer equipment is usually required for operation to improve the carrying efficiency and ensure the safety of operation.

[0003] However, the existing cement pipe transfer operation mostly uses general trolleys convenient for pipe carrying. The higher flexibility of these devices is usually designed to be small, and it is not convenient for personnel to operate and use when transferring large-specification cement pipes. Although the general trolley for large carrying can be used for large-specification cement pipes, the single fixed damping design thereof is prone to cause damage to the cement pipes during transfer. On the other hand, the cement pipe is usually a heavy volume formed by pouring concrete, and when the general trolley is unbalanced during the loading and transfer of the cement pipe, the personnel operating end is prone to tilt, thereby causing the risk of personnel injury.

[0004] In view of the above problems, it is necessary to make innovative design on the basis of the original. SUMMARY

[0005] The present application aims to provide a multifunctional trolley based on cement pipe transfer to solve the problems raised in the background art. The technical solution of the present application provides a solution significantly different from the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a multifunctional trolley based on cement pipe transfer includes a base frame, the bottom of which is provided with a steering wheel set and a fixed wheel set at the left and right ends respectively, a top frame is fixed to the top of the base frame, a screw rod one is rotatably connected between the front and rear protrusions on the top of the base frame, a connecting rod two and a connecting rod one are threadedly connected from front to back on the outside of the screw rod one, the left and right ends of the connecting rod one and the connecting rod two are both fixed with mounting boxes staggered, a fixed block is vertically and limitingly slidably installed on the inner side of the upper segment of the mounting box, a sliding groove plate is slidably connected to the lower end of the mounting box, the sliding groove plate is fixed to the top of the base frame, a counterweight assembly is arranged between the connecting rod one and the base frame, and the counterweight assembly is used for balance adjustment of the base frame. A damping assembly is arranged between the fixed block and the base frame, and the damping assembly is used for buffering sliding of the fixed block.

[0007] Preferably, the screw rod is provided with two symmetrical and opposite spiral grooves on the outer side, the rear spiral groove of the screw rod is connected with the connecting rod one, the front spiral groove of the screw rod is connected with the connecting rod two, and the left and right ends of the connecting rod one and the connecting rod two are oppositely arranged with the fixed blocks in the box.

[0008] Preferably, the side of the fixed block is designed as an arc curved surface structure, and the arc curved surface structure of the fixed block is used for limiting and fixing the transport pipe body.

[0009] Preferably, the counterweight assembly comprises a sliding groove one and a mounting block, the sliding groove one is arranged in the left wall of the base frame, the counterweight box is slidably arranged in the sliding groove one, the screw rod two is fixedly connected to the right side of the counterweight box, the rotating drum is threadedly connected to the outer side of the screw rod two, the rotating drum is rotatably arranged in the inner side of the mounting block, the mounting block is fixed to the bottom transverse plate of the base frame, the gear disc is fixed to the outer side of the right end of the rotating drum, the gear rack is engagedly connected above the gear disc, and the bottom left side of the connecting rod one is fixed to the upper end of the gear rack.

[0010] Preferably, the damping assembly comprises a sliding strip one, the sliding strip one is slidably arranged in the middle section of the mounting box, the sliding strip one is connected to the bottom of the fixed block through a plurality of springs, the sliding strip two is arranged below the sliding strip one, the sliding strip two is vertically and limitingly arranged in the lower section of the inner side of the mounting box, the top block is fixed to the bottom of the sliding strip two, the adjusting plate is slidably arranged in contact with the bottom of the top block, and the adjusting plate is arranged on the inner side transverse plate of the base frame.

[0011] Preferably, the adjacent surfaces of the sliding strip one and the sliding strip two are provided with magnetic plates, and the adjacent surfaces of the sliding strip one and the sliding strip two have the same magnetic pole.

[0012] Preferably, the top surface of the adjusting plate is designed as an inclined surface structure, and the direction of the inclined surface of the top surface of the adjusting plate is opposite to the direction of the arc curved surface of the fixed block.

[0013] Compared with the prior art, the present application has the following advantages: The present application is characterized in that the mounting box is slidably arranged, the fixed blocks are oppositely arranged at the corresponding positions, the connecting rod one and the connecting rod two are arranged through the two opposite threads of the screw rod one, and the mounting box is correspondingly moved and adjusted, so that the cement pipe with a larger diameter can be adjusted and fixed, and the weight of the counterweight box in the sliding groove one is correspondingly adjusted when the connecting rod one is adjusted, so that the weight of the steering wheel group in the direction of the operator is correspondingly increased, the base frame is prevented from being unbalanced due to the loaded cement pipe, the head of the steering wheel group in the direction of the operator is prevented from being tilted, and the risk of injury to the operator is reduced.

[0014] The present application, by adjusting the direction of the inclined surface of the adjusting plate and the arc-shaped curved surface of the fixing block, setting the fixing block driven by the installation box, adjusting the position according to different larger size cement pipe diameters, making the sliding bar two and the top block slide from high to low on the adjusting plate, and then making the sliding bar one move downward due to the repulsion reduction, synchronously moving downward, adjusting the spring between the sliding bar one and the fixing block, making the shock absorption and buffering amplitude corresponding to the adjustment during the rotation of the different larger size cement pipes, reducing the damage of the cement pipe due to the too hard or too soft shock absorption and buffering effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the present application; Figure 2 It is the top structure schematic diagram of the base frame of the present application; Figure 3 It is the split structure schematic diagram of the base frame, the installation box, the fixing block and the counterweight assembly of the present application; Figure 4 It is the split structure schematic diagram of the counterweight assembly of the present application; Figure 5 It is Figure 4 It is the enlarged schematic diagram of A in the figure; Figure 6 It is the split structure schematic diagram of the installation box, the fixing block, the sliding groove plate and the shock absorption assembly of the present application; Figure 7 It is the split structure schematic diagram of the shock absorption assembly of the present application; Figure 8 It is Figure 7 It is the enlarged schematic diagram of B in the figure.

[0016] In the figure: 1, base frame; 2, steering wheel set; 3, fixed wheel set; 4, top frame; 5, screw one; 6, connecting rod one; 7, connecting rod two; 8, installation box; 9, fixing block; 10, sliding groove plate; 11, counterweight assembly; 111, sliding groove one; 112, counterweight box; 113, screw two; 114, rotating drum; 115, mounting block; 116, toothed disc; 117, rack; 12, shock absorption assembly; 121, sliding bar one; 122, sliding bar two; 123, top block; 124, adjusting plate. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment one

[0018] Please refer to Figures 1 to 8The application provides a technical scheme: a multifunctional trolley based on cement pipe transfer, which comprises a base frame 1, steering wheel groups 2 and fixed wheel groups 3 are respectively arranged at the left and right ends of the bottom of the base frame 1, a top frame 4 is fixed to the top of the base frame 1, a screw rod one 5 is rotationally connected between the front and rear protrusions on the top of the base frame 1, a connecting rod two 7 and a connecting rod one 6 are sequentially and threadedly connected from front to back outside the screw rod one 5, mounting boxes 8 are fixedly arranged at the left and right ends of the connecting rod one 6 and the connecting rod two 7, fixed blocks 9 are vertically and limitingly and slidably arranged on the inner side of the mounting boxes 8, one side of the fixed block 9 is designed as an arc-shaped curved surface structure, the arc-shaped curved surface structure of the fixed block 9 is used for limiting and fixing the transferred pipe body, two spiral sliding grooves are oppositely and symmetrically arranged outside the screw rod one 5, the rear end of the spiral sliding groove outside the screw rod one 5 is connected with the connecting rod one 6, the front end of the spiral sliding groove outside the screw rod one 5 is connected with the connecting rod two 7, the fixed blocks 9 in the mounting boxes 8 at the left and right ends of the connecting rod one 6 are oppositely arranged with the fixed blocks 9 in the mounting boxes 8 at the left and right ends of the connecting rod two 7, a sliding groove plate 10 is slidably connected to the lower end of the mounting box 8 and fixed to the top of the base frame 1, a counterweight assembly 11 is arranged between the connecting rod one 6 and the base frame 1, the counterweight assembly 11 comprises a sliding groove one 111 and a mounting block 115, the sliding groove one 111 is arranged in the left wall of the inner side of the base frame 1, a counterweight box 112 is slidably arranged in the sliding groove one 111, a screw rod two 113 is fixedly connected to the right side of the counterweight box 112, a rotating drum 114 is threadedly connected to the outer side of the screw rod two 113, the rotating drum 114 is rotationally arranged in the inner side of the mounting block 115, the mounting block 115 is fixed to the bottom horizontal plate of the base frame 1, a gear disc 116 is fixed to the outer side of the right end of the rotating drum 114, a gear rack 117 is engagedly connected above the gear disc 116, the upper end of the gear rack 117 is fixed to the left side of the bottom of the connecting rod one 6, the counterweight assembly 11 is used for balance adjustment of the base frame 1, a damping assembly 12 is arranged between the fixed blocks 9 and the base frame 1, and the damping assembly 12 is used for buffering sliding of the fixed blocks 9. When the mounting box 8 is adjusted according to the cement pipe with large diameter and large weight, the connecting rod one 6 moves backward, the synchronous belt gear rack 117 moves backward, the gear disc 116 and the rotating drum 114 rotate in the mounting block 115, the screw rod two 113 moves left in the rotating drum 114, and the counterweight box 112 adjusts the corresponding position left in the sliding groove one 111, through the corresponding position adjustment of the counterweight box 112, when the cement pipe with large specification is loaded and transferred, the weight corresponding to the direction of the steering wheel groups 2 operated by the personnel is increased, the base frame 1 is prevented from being unbalanced due to the loaded cement pipe, the head of the steering wheel groups 2 operated by the personnel in the direction is prevented from being tilted, and the risk of injury of the operator is reduced. Embodiment two

[0019] On the basis of embodiment one, please refer to Figures 1 to 8, the damping assembly 12 is arranged between the fixed block 9 and the base frame 1, the damping assembly 12 comprises a sliding bar one 121, the sliding bar one 121 is slidingly installed in the middle section of the inside of the mounting box 8, the top of the sliding bar one 121 is connected with the bottom of the fixed block 9 through a plurality of springs, a sliding bar two 122 is arranged below the sliding bar one 121, the sliding bar two 122 is vertically limited and slidingly arranged in the lower section of the inside of the mounting box 8, the adjacent surfaces of the sliding bar one 121 and the sliding bar two 122 are designed with magnetic plates, the adjacent surfaces of the sliding bar one 121 and the sliding bar two 122 are designed with magnetic plates with the same magnetic pole, the bottom of the sliding bar two 122 is fixed with a top block 123, the top block 123 is slidingly connected with an adjusting plate 124 in abutment, the adjusting plate 124 is installed on the inside horizontal plate of the base frame 1, the top surface of the adjusting plate 124 is designed as an inclined surface structure, the direction of the inclined surface of the top surface of the adjusting plate 124 is opposite to the direction of the arc-shaped curved surface of the fixed block 9, and the damping assembly 12 is used for buffering the sliding of the fixed block 9; When the mounting box 8 is adjusted according to the cement pipe with larger diameter and heavier weight, the left and right two mounting boxes 8 are oppositely adjusted in the sliding groove plate 10, the sliding bar two 122 and the top block 123 are driven to slide from high to low in abutment on the adjusting plate 124, so that the sliding bar two 122 is adjusted to slide downward in the mounting box 8, at this time, the sliding bar one 121 is driven to slide downward in the mounting box 8 due to the reduction of repulsion of the sliding bar two 122, and the spring above the sliding bar one 121 is adjusted to increase the elasticity between the fixed block 9, thereby adjusting the damping buffer range corresponding to the cement pipe with different larger specifications, reducing the damage of the cement pipe caused by the overhard or oversoft damping buffer effect, and further buffering through the corresponding resistance of the spring and the repulsion between the sliding bar one 121 and the sliding bar two 122, and optimizing the damping effect.

[0020] Working principle: in the process of using the multifunctional trolley for cement pipe transfer, when the cement pipe with larger diameter and heavier weight is transferred, first, the operator manually rotates the screw one 5 according to the diameter of the transferred cement pipe, so that the connecting rod one 6 drives the mounting box 8 to slide backward in the sliding groove plate 10, the connecting rod two 7 drives the mounting box 8 to slide forward in the sliding groove plate 10, and the left and right two mounting boxes 8 oppositely drive the fixed block 9 to move, and are adjusted to the appropriate position according to the specification of the transferred cement pipe, then the cement pipe is hoisted to the fixed block 9 through hoisting equipment, and the cement pipe on the fixed block 9 is fixed by reversely rotating the screw one 5 to relatively move the two oppositely arranged fixed blocks 9; In the above process, when the installation box 8 is adjusted according to the larger diameter and heavier cement pipe, the connecting rod 6 moves backward, the synchronous belt rack 117 moves backward, the gear disc 116 and the rotating drum 114 rotate in the installation block 115, the screw rod 2 moves to the left, and the counterweight box 112 adjusts to the corresponding position in the chute 1, through the corresponding adjustment of the position of the counterweight box 112, the weight of the personnel-operated steering wheel set 2 direction is correspondingly increased when the larger specification cement pipe is loaded and transferred, preventing the base frame 1 from tilting due to the imbalance of the loaded cement pipe, and reducing the risk of injury to the operator; At the same time, in the above process, when the installation box 8 is adjusted according to the larger diameter and heavier cement pipe, the installation box 8 on the left and right sides slides in the opposite direction in the chute plate 10, the sliding bar 2 and the top block 123 are driven synchronously to slide from high to low on the adjusting plate 124, the sliding bar 2 slides downward in the installation box 8 to adjust the corresponding position, at this time, the sliding bar 1 slides downward in the installation box 8 due to the reduction of repulsion of the sliding bar 2, and the elasticity between the spring above the sliding bar 1 and the fixed block 9 is correspondingly adjusted, thereby correspondingly adjusting the damping and buffering amplitude during the rotation of different larger specification cement pipes, reducing the damage of the cement pipe caused by the over-hard or over-soft damping and buffering effect, and further buffering through the corresponding resistance of the spring and the repulsion between the sliding bar 1 and the sliding bar 2, optimizing the damping effect.

[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-functional handcart based on cement pipe transportation, comprising a base frame (1), characterized in that: The base frame (1) is equipped with a steering wheel assembly (2) and a fixed wheel assembly (3) at the bottom left and right ends respectively. The base frame (1) is fixed with a top frame (4). The base frame (1) is rotatably connected between the front and rear protrusions. The outer side of the screw (5) is connected to the connecting rod (7) and the connecting rod (6) in sequence from front to back. The connecting rod (6) and the connecting rod (7) are fixed with mounting boxes (8) at the left and right ends respectively. The upper section of the inner side of the mounting box (8) is vertically limited and slidably installed with a fixing block (9). The lower end of the mounting box (8) is slidably connected with a sliding plate (10). The sliding plate (10) is fixed to the top of the base frame (1). A counterweight assembly (11) is provided between the connecting rod (6) and the base frame (1). The counterweight assembly (11) is used for the balance adjustment of the base frame (1). A shock-absorbing component (12) is provided between the fixing block (9) and the base frame (1). The shock-absorbing component (12) is used to buffer the sliding of the fixing block (9).

2. The multi-functional handcart based on cement pipe transportation according to claim 1, characterized in that: Two symmetrical spiral grooves are opened on the outer side of the screw (5). The rear spiral groove on the outer side of the screw (5) is connected to the connecting rod (6). The front spiral groove on the outer side of the screw (5) is connected to the connecting rod (7). The fixing blocks (9) in the mounting box (8) at both ends of the connecting rod (6) are opposite to the fixing blocks (9) in the mounting box (8) at both ends of the connecting rod (7).

3. A multi-functional handcart based on cement pipe transportation according to claim 1, characterized in that: The fixing block (9) is designed with an arc-shaped curved surface structure on one side, and the arc-shaped curved surface structure of the fixing block (9) is used to limit and fix the transfer tube.

4. A multi-functional handcart based on cement pipe transportation according to claim 1, characterized in that: The counterweight assembly (11) includes a slide groove (111) and a mounting block (115). The slide groove (111) is opened on the inner left wall of the base frame (1). A counterweight box (112) is slidably installed in the slide groove (111). A screw rod (113) is fixedly connected to the right side of the counterweight box (112). A rotating cylinder (114) is threadedly connected to the outer side of the screw rod (113). The rotating cylinder (114) is rotatably installed on the inner side of the mounting block (115) through a bearing. The mounting block (115) is fixed on the bottom horizontal plate of the base frame (1). A gear plate (116) is fixed to the outer side of the right end of the rotating cylinder (114). A rack (117) is meshed above the gear plate (116). The upper end of the rack (117) is fixed to the bottom left side of the connecting rod (6).

5. A multi-functional handcart based on cement pipe transportation according to claim 1, characterized in that: The shock absorption assembly (12) includes a first slide bar (121), which is slidably installed in the middle section of the inner side of the mounting box (8). The top of the first slide bar (121) is connected to the bottom of the fixing block (9) by multiple springs. A second slide bar (122) is provided below the first slide bar (121). The second slide bar (122) is vertically limited and slidably installed in the lower section of the inner side of the mounting box (8). A top block (123) is fixed at the bottom of the second slide bar (122). An adjusting plate (124) is slidably connected to the bottom of the top block (123). The adjusting plate (124) is installed on the inner horizontal plate of the base frame (1).

6. A multi-functional handcart based on cement pipe transportation according to claim 5, characterized in that: The adjacent surfaces of slider one (121) and slider two (122) are designed with magnetic plates, and the magnetic poles of the magnetic plates on the adjacent surfaces of slider one (121) and slider two (122) are the same.

7. A multi-functional handcart based on cement pipe transportation according to claim 5, characterized in that: The top surface of the adjustment plate (124) is designed as a sloping structure, and the sloping direction of the top surface of the adjustment plate (124) is opposite to the arc-shaped curved surface direction of the fixing block (9).

Citation Information

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