Cart transportation tool convenient for construction
By designing a trolley with an inverted triangular prism frame and a locking mechanism, the problems of maneuverability and material fixation on complex roads were solved, achieving stability and safety during construction.
Patent Information
- Application Number
- CN202422859765.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing trolleys are difficult to control on complex and rugged roads, have an unstable center of gravity, and materials are prone to falling, making them unsuitable for construction needs.
Design a frame in the shape of an inverted triangular prism, with the wheels located at the front of the top, and support legs and a working arm at the rear. The support legs and the working arm are connected by a locking mechanism to ensure that the center of gravity is close to the handle at the rear of the frame, and the working arm is convenient for securing materials.
It improves the maneuverability of the trolley on rough roads and the stability of materials, reduces the risk of materials falling, and enhances construction efficiency and safety.
Smart Images

Figure CN223443557U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the transportation tool technical field, especially, a convenient construction's cart transportation tool. BACKGROUND
[0002] Generally, when the engineering personnel of construction unit is in the field construction, due to the complex construction environment, the rugged and narrow road, large machinery can not satisfy the construction requirement. Due to the importance of construction progress to construction management, how to improve the construction efficiency, how to guarantee the construction cost, these problems have been the direction of exploration and research of engineering personnel for a long time. In the construction process, due to the applicability, convenience, durability, safety of construction tool, the interference caused by various external accidental factors such as environment, terrain, climate, people, etc. will affect the final project performance.
[0003] The vehicle body of the existing cart is mostly cuboid, and it is not easy to control the gravity center of the vehicle body after loading materials in the vehicle body, when the gravity center of the vehicle body is close to the front part of the vehicle body, the handle far away from the rear part of the vehicle body, when transporting heavy materials, it is not easy to control the trolley, and it is not suitable for complex and rugged road. INVENTION CONTENTS
[0004] The utility model aims at overcoming the deficiency in the prior art, solving or at least alleviating the problem that the existing cart is not suitable for complex and rugged road, and providing a cart transportation tool convenient for construction.
[0005] The utility model is realized through the following technical schemes:
[0006] A cart transportation tool convenient for construction, including frame, walking wheel and working arm, the frame is inverted triangular prism shape with open upper end, the wheel shaft is arranged in the middle of the lower side of the frame and rotates horizontally, two walking wheels are respectively installed on both ends of the wheel shaft, vertical downward supporting legs are arranged on both sides of the rear end of the frame, a handle is arranged on the rear end of the frame, two working arms are respectively arranged on both sides of the rear end of the frame, the lower part of the working arm is vertical rod body, the upper part is curved to one side, and a hook is fixedly arranged on the upper end of the working arm.
[0007] In order to further realize the utility model, the following technical schemes can be preferably selected:
[0008] Preferably, an included angle is formed between the upper part and the lower part of the working arm, the included angle is alpha, and the alpha is 120 DEG.
[0009] Preferably, the upper part of the supporting leg is circular tube shape, the lower end is large at the top and small at the bottom conical shape, the cross section of the lower part of the working arm is circular, and the lower part of the working arm is slidingly sleeved on the upper part of the supporting leg.
[0010] Preferably, a locking mechanism is provided between the support leg and the working arm, and the locking mechanism includes a positioning sleeve and a locking sleeve. The positioning sleeve is fixedly provided at the upper end of the support leg, and the positioning sleeve includes an elastic section. The elastic section is made of elastic material, the elastic section is annular and its longitudinal cross-section is V-shaped, and the locking sleeve includes a tightening section. The tightening section is in the shape of a circular tube and is longitudinally slidably provided between the two oblique sides of the elastic section.
[0011] Preferably, the positioning sleeve also includes a positioning section, which is in the shape of a round tube made of a hard material and is fixedly mounted on the outer side of the upper end of the leg, and the upper end of the hypotenuse on the outer side of the elastic section is fixedly connected to the inner side of the upper end of the positioning section. The locking sleeve also includes an adjustment section, which is threadedly mounted on the outer side of the positioning section, and the upper end of the tightening section is fixedly connected to the inner side of the upper end of the adjustment section.
[0012] Preferably, the lower end of the longitudinal section of the tensioning section is in an outwardly convex semicircular shape.
[0013] Through the above technical solution, the beneficial effects of the utility model are:
[0014] The frame of the utility model is in the shape of an inverted triangular prism with an open upper end, and the running wheels are located on the front side of the top end of the triangular prism, ensuring that the center of gravity of the frame is at the rear of the frame and between the handle and the running wheels after the frame is loaded with materials. The center of gravity is closer to the handle at the rear of the vehicle body, which makes it easier to control the cart and is suitable for complex and rugged roads.
[0015] At the same time, a working arm is provided at the rear end of the frame, which makes it easier to fix the materials in the frame and prevent them from falling during transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural diagram of the utility model;
[0017] Figure 2 It is a top view of the utility model;
[0018] Figure 3 For the utility model Figure 2 Cross-sectional view at AA in the middle;
[0019] Figure 4 For the utility model Figure 2 Cross-sectional view at the middle BB;
[0020] Figure 5 For the utility model Figure 4 Enlarged view of point C in the middle;
[0021] Figure 6 This is a schematic structural diagram of the frame, handlebars and legs of the utility model;
[0022] Figure 7 This is a schematic structural diagram of the positioning sleeve of the present utility model;
[0023] Figure 8 The structure diagram of the locking sleeve of the utility model is shown in the figure;
[0024] Wherein: 1-vehicle frame; 2-traveling wheel; 3-working arm; 4-wheel shaft; 5-handle; 6-support leg; 7-hanger; 8-positioning sleeve; 9-locking sleeve; 801-elastic section; 802-positioning section; 901-tightening section; 902-adjusting section. DETAILED DESCRIPTION
[0025] In the description of the utility model, it also needs to be explained that, unless there is explicit provision and limitation, the terms "arrange", "install", "connect", "connect" 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; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] Embodiment 1:
[0028] As shown in Figures 1-8 A cart transport tool convenient for construction, comprising a vehicle frame 1, a traveling wheel 2 and a working arm 3, the vehicle frame 1 is in the shape of an inverted triangular prism with an open upper end, a wheel shaft 4 is horizontally rotatably arranged at the middle of the lower side of the vehicle frame 1, two traveling wheels 2 are respectively arranged at the two ends of the wheel shaft 4, a support leg 6 is arranged at each of the two sides of the rear end of the vehicle frame 1 in a vertically downward manner, a handle 5 is arranged at the rear end of the vehicle frame 1, and two working arms 3 are respectively arranged at the two sides of the rear end of the vehicle frame 1, the lower part of each working arm 3 is in the shape of a vertical rod, and the upper part of each working arm 3 is bent to one side, and a hanger 7 is fixedly arranged at the upper end of each working arm 3.
[0029] The traveling wheel 2 is located at the front side of the top end of the triangular prism, so as to ensure that the center of gravity of the vehicle frame 1 after loading materials is at the rear part of the vehicle frame 1 and between the handle 5 and the traveling wheel 2, the center of gravity is closer to the handle 5 at the rear part of the vehicle body, and the cart is more convenient to control, and is suitable for complex and rugged roads. At the same time, the working arms 3 are arranged at the rear end of the vehicle frame 1, the materials in the vehicle frame 1 are more easily fixed through the working arms 3, and the materials are prevented from falling during transportation.
[0030] In the embodiment, an angle is formed between the upper part and the lower part of the working arm 3, the angle is α, and α is 120°.
[0031] In order to adjust the height position and the radial angle position of the working arm 3, the upper part of the supporting leg 6 is in a circular tube shape, the lower end is in a circular cone shape with a large upper part and a small lower part, the lower part of the working arm 3 is in a circular cross section, and the lower part of the working arm 3 is slidingly fitted in the upper part of the supporting leg 6.
[0032] In order to facilitate the adjustment of the position state of the working arm 3 and the supporting leg 6, a locking mechanism is arranged between the supporting leg 6 and the working arm 3, the locking mechanism comprises a positioning sleeve 8 and a locking sleeve 9, the positioning sleeve 8 is fixedly arranged on the upper end of the supporting leg 6, the positioning sleeve 8 comprises an elastic section 801, the elastic section 801 is made of an elastic material, the elastic section 801 is in an annular shape and its longitudinal cross section is in a V shape, the locking sleeve 9 comprises a tensioning section 901, the tensioning section 901 is in a circular tube shape and is longitudinally slidingly arranged between the two inclined edges of the elastic section 801.
[0033] The positioning sleeve 8 further comprises a positioning section 802, the positioning section 802 is in a circular tube shape made of a hard material and is fixedly fitted outside the upper end of the supporting leg 6, the upper end of the inclined edge outside the elastic section 801 is fixedly connected to the inner side of the upper end of the positioning section 802, the locking sleeve 9 further comprises an adjusting section 902, the adjusting section 902 is threadedly fitted outside the positioning section 802, and the upper end of the tensioning section 901 is fixedly connected to the inner side of the upper end of the adjusting section 902.
[0034] The lower end of the longitudinal cross section of the tensioning section 901 is in a convex semicircular shape.
[0035] The locking sleeve 9 is rotated to make the tensioning section 901 upwardly separate from the elastic section 801, at this time, the working arm 3 can be pulled and rotated at will; after the working arm 3 is adjusted in place, the locking sleeve 9 is reversely rotated to make the tensioning section 901 downwardly enter the elastic section 801, and the elastic section 801 is outwardly opened to clamp the working arm 3 in the supporting leg 6.
[0036] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A cart transport tool that is convenient for construction, characterized in that: The invention comprises a vehicle frame (1), a running wheel (2) and a working arm (3), wherein the vehicle frame (1) is in the shape of an inverted triangular prism with an open upper end, a wheel axle (4) is provided in the middle of the lower side of the vehicle frame (1) for transverse rotation, two running wheels (2) are respectively mounted on both ends of the wheel axle (4), vertical downward supporting legs (6) are provided on both sides of the rear end of the vehicle frame (1), a handle (5) is provided at the rear end of the vehicle frame (1), and two working arms (3) are respectively arranged on both sides of the rear end of the vehicle frame (1), the lower part of the working arm (3) is a vertical rod body, and the upper part is bent to one side, and a hook (7) is fixedly provided at the upper end of the working arm (3).
2. A cart transport tool for convenient construction according to claim 1, characterized in that: An angle is formed between the upper part and the lower part of the working arm (3), and the angle is α, and α is 120°.
3. A cart transport tool for convenient construction according to claim 1, characterized in that: The upper portion of the support leg (6) is in the shape of a circular tube, and the lower end is in the shape of a cone with a larger upper portion and a smaller lower portion. The cross section of the lower portion of the working arm (3) is circular, and the lower portion of the working arm (3) is slidably fitted onto the upper portion of the support leg (6).
4. A cart transport tool for convenient construction according to claim 3, characterized in that: A locking mechanism is provided between the support leg (6) and the working arm (3), the locking mechanism comprising a positioning sleeve (8) and a locking sleeve (9), the positioning sleeve (8) being fixedly provided at the upper end of the support leg (6), the positioning sleeve (8) comprising an elastic section (801), the elastic section (801) being made of an elastic material, the elastic section (801) being annular and having a V-shaped longitudinal section, the locking sleeve (9) comprising a tightening section (901), the tightening section (901) being in the shape of a circular tube and being longitudinally slidably provided between two oblique sides of the elastic section (801).
5. A cart transport tool for convenient construction according to claim 4, characterized in that: The positioning sleeve (8) further includes a positioning section (802), the positioning section (802) is in the shape of a circular tube made of a hard material and is fixedly sleeved on the outer side of the upper end of the support leg (6), the upper end of the outer hypotenuse of the elastic section (801) is fixedly connected to the inner side of the upper end of the positioning section (802), and the locking sleeve (9) further includes an adjustment section (902), the adjustment section (902) is threadedly sleeved on the outer side of the positioning section (802), and the upper end of the tightening section (901) is fixedly connected to the inner side of the upper end of the adjustment section (902).
6. A cart transport tool for convenient construction according to claim 5, characterized in that: The lower end of the longitudinal section of the tensioning section (901) is in an outwardly convex semicircular shape.