Compressing device for box closing of dumper
The dump truck box clamping device with a double-group clamping mechanism and a sleeve structure solves the problems of insufficient clamping strength and cylinder wear and oil leakage, achieving higher production efficiency and extended cylinder life, and making the tooling more durable.
Patent Information
- Application Number
- CN202421005865.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing dump truck box closing and pressing device has problems such as insufficient pressing strength, cylinder wear and oil leakage, resulting in low production efficiency.
It adopts a double-group clamping mechanism and sleeve structure. The first and second oil cylinders are driven by the hydraulic system and the electronic control system, combined with the handheld remote control to achieve the tightening and loosening of the various panel components of the cargo box. The sleeve structure protects the oil cylinder rod and improves the clamping strength and range.
It improves the clamping strength and clamping range of the tooling, extends the service life of the oil cylinder, reduces maintenance and replacement costs, improves production efficiency, and makes the tooling more convenient, practical and durable.
Smart Images

Figure CN223418817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engineering machinery dump truck technical field especially, relates to a kind of self-unloading truck box closing and pressing device. BACKGROUND
[0002] Self-unloading truck box closing process is the key process of box welding, determines the outside dimension after box forming, and is crucial for whether self-unloading truck can be smoothly registered. The pressing head of closing and pressing tooling is required to be accurate, and the pressure is powerful. In the process of box assembly, special closing and pressing tooling is required for assembly and pressing, and provides horizontal pressing force in the left and right of box, so that each single board component of cargo box is enclosed according to technical requirements. In the field of self-unloading truck production, the control of this box closing process includes manual screw rod pressing, hydraulic pressing and pneumatic pressing. Manual screw rod pressing and pneumatic pressing are less used due to small pressure and few applicable product types. The most commonly used method is hydraulic cylinder pressing mode, which controls the vertical pressing of oil cylinder through fixed operation box, but the self-weight of oil cylinder pressing head is large, the damage to cylinder rod is large, and there are problems such as insufficient pressing strength, oil cylinder wear and oil leakage in the process of use.
[0003] Therefore, a new self-unloading truck box closing and pressing device is needed to overcome the above-mentioned shortcomings. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problems in the prior art and provides a self-unloading truck box closing and pressing device.
[0005] The utility model solves the above technical problems by adopting the following technical solutions:
[0006] A self-unloading truck box closing and pressing device includes a fixed frame (1), a sleeve structure (2) and a pressing mechanism provided on the fixed frame (1). The pressing mechanism includes a first pressing mechanism (3), which includes a first oil cylinder (30) and a first cylinder rod (31) sleeved with the first oil cylinder (30). The first oil cylinder (30) is fixedly connected with the fixed frame (1) through a first fixed seat (32).
[0007] Further, the pressing mechanism further includes an oil cylinder pressing plate (5) fixed with the first cylinder rod (31) through a first connecting seat.
[0008] Further, the sleeve structure (2) includes a square tube (20), an extension tube (21) sleeved with the square tube (20), and the square tube (20) is fixed on the upper position of the oil cylinder pressing plate (5) through a sleeve structure connecting seat (24).
[0009] Furthermore, a support plate (23) is provided on the fixing frame (1), a support column (22) is provided on the support plate (23), and the upper end of the support column (22) is fixedly connected to the square tube (20).
[0010] Furthermore, the number of the square tubes (20) and the telescopic tubes (21) is two each, and the number of the support columns (22) is four.
[0011] Furthermore, the first oil cylinder (30) is fixed on the upper part of the support plate (23).
[0012] Furthermore, the clamping mechanism also includes a second clamping mechanism (4), the second clamping mechanism (4) including a second oil cylinder (40) and a second cylinder rod (41) sleeved with the second oil cylinder (40), and the second oil cylinder (40) is fixedly connected to the fixing frame (1) via a second fixing seat (42).
[0013] Furthermore, the second cylinder rod (41) is fixed to the lower position of the oil cylinder pressure plate (5) via a second connecting seat (43).
[0014] Furthermore, the first pressing mechanism (3) and the second pressing mechanism (4) are arranged side by side up and down.
[0015] Furthermore, the first oil cylinder (30) and the second oil cylinder (40) are driven by a hydraulic system and an electric control system, and the operator of the electric control system is a handheld remote controller.
[0016] The beneficial effects of the utility model are as follows: through the compression and contraction of the first clamping mechanism and the second clamping mechanism, the various plate components of the cargo box are compressed and relaxed, thereby improving the overall compression strength and compression range of the tooling, and at the same time improving production efficiency; the sleeve structure solves the problem of cylinder wear and oil leakage caused by the effect of the pressure foot's own gravity on the cylinder rod, thereby extending the service life of the cylinder, reducing the cost of repairing and replacing the cylinder, and at the same time increasing the points of action, further improving the compression strength and compression range; by controlling the handheld remote control, the tooling is made more convenient, practical and durable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 This is a schematic diagram of the front structure of the box closing and pressing device for a dump truck in an embodiment of the present utility model;
[0019] Figure 2 This is a schematic diagram of the rear structure of the box closing and pressing device for a dump truck in an embodiment of the present utility model;
[0020] Figure 3 This is a schematic diagram of the sleeve structure in an embodiment of the present utility model;
[0021] Figure 4 This is a schematic structural diagram of the sleeve structure in an embodiment of the present utility model;
[0022] Figure 5 This is a structural diagram of the second pressing mechanism in an embodiment of the present utility model;
[0023] Figure 6 Schematic diagram of the structure of the fixing frame in the embodiment of the present utility model.
[0024] Figure 7 It is a schematic diagram of a bilaterally symmetrical dump truck box closing and compacting device.
[0025] Explanation of the marks in the figure: 1. Fixed frame; 2. Sleeve structure; 20. Square tube; 21. Telescopic tube; 22. Support column; 23. Support plate; 24. Sleeve structure connecting seat 3. First clamping mechanism; 30. First oil cylinder; 31. First cylinder rod; 32. First fixed seat; 4. Second clamping mechanism; 40. Second oil cylinder; 41. Second cylinder rod; 42. Second fixed seat; 43. Second connecting seat; 5. Cylinder pressure plate; 6 Cargo box. DETAILED DESCRIPTION
[0026] 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 embodiments described are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.
[0027] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this utility model belongs.
[0028] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0029] In addition, the terms "first", "second" and the like are used only for descriptive purposes, and cannot be construed as indicating or implying relative importance or an implied indication of the number of the technical features indicated. In the description of the utility model, the meaning of "multiple" is more than two, unless otherwise explicitly specified and limited.
[0030] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; 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 or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0031] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0032] Referring to Figure 1 and Figure 5 The utility model discloses a self -discharging vehicle closes the pressing device of box, including the fixed frame 1 of fixed ground through the foundation bolt, sleeve structure 2, pressing mechanism, is equipped with sleeve structure 2 and pressing mechanism on the fixed frame 1, and the device still includes oil cylinder pressing plate 5, the fixed frame 1 is welded by 200 channel steel.
[0033] Referring to Figure 2 and Figure 6 The pressing mechanism is divided into first pressing mechanism 3 and second pressing mechanism 4, and the pressing mechanism comprises the first pressing mechanism 3, the first pressing mechanism 3 is composed of the first oil cylinder 30 and the first cylinder rod 31 sleeved with the first oil cylinder 30, the first oil cylinder 30 is fixed on the top of the fixed frame 1 through the first fixed seat 32, and the oil cylinder pressing plate 5 is fixed with the first cylinder rod 31 through the first connecting seat, the pressing mechanism further comprises the second pressing mechanism 4, the second pressing mechanism 2 is composed of the second oil cylinder 40 and the second cylinder rod 41 sleeved with the second oil cylinder 40, the second oil cylinder 40 is fixed on the platform in the middle of the fixed frame 1 through the second fixed seat 42, and the second cylinder rod 41 is fixed on the lower part of the oil cylinder pressing plate 5 through the second connecting seat 43.
[0034] The first pressing mechanism 3 and the second pressing mechanism 4 are arranged side by side up and down, and a double set of pressing mechanisms is used to improve the overall pressing strength and pressing range of the tooling, thereby improving production efficiency.
[0035] See Figure 3 The sleeve structure 2 includes two square tubes 20, two telescopic tubes 21 respectively sleeved with the two square tubes 20, four support columns 22, and a support plate 23 arranged on the top of the fixed frame 1. The upper end of the support column 22 is fixed to the square tube 20, and the lower end is fixed to the support plate 23. The first oil cylinder 3 is fixed to the upper part of the support plate 23. The two telescopic tubes 21 are respectively fixed to the upper part of the cylinder pressure plate 5 through the sleeve structure connecting seat 24. There are two sleeve structure connecting seats 24, and the two are connected by a pin shaft.
[0036] Through the compression and contraction of the first clamping mechanism 3 and the second clamping mechanism 4, the telescopic tube 20 of the sleeve mechanism 2 is driven to expand and contract, and the cylinder pressure plate 5 is used to compress and relax the various panel components of the cargo box. The sleeve structure 2 effectively solves the damage of the pressure foot to the vertical force of the cylinder cylinder parts, extends the service life of the cylinder, improves the overall clamping strength and clamping range of the tooling, and at the same time improves production efficiency and reduces the cost of repairing and replacing the cylinder; the sleeve structure 2 also increases the action points, further improves the clamping strength and clamping range, and protects and supports the cylinder extension process, making the tooling more powerful and durable.
[0037] The first oil cylinder 30 and the second oil cylinder 40 are driven by a hydraulic system and an electronic control system.
[0038] The operator of the electronic control system is a handheld remote control, which is used to directly control the extension and retraction of the first cylinder rod 31 and the second cylinder rod 41, and then indirectly control the tightening and relaxation of the cylinder pressure plate 5, so as to achieve the purpose of tightening or loosening the various panels of the cargo box, making the tooling more convenient, practical and durable.
[0039] See Figure 7 It is a bilaterally symmetrical dump truck box closing and pressing device, which can conveniently realize the pressing and relaxing of the cargo box 6.
[0040] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A dump truck box closing and pressing device, characterized in that: The invention comprises a fixing frame (1), a sleeve structure (2) and a pressing mechanism provided on the fixing frame (1); the pressing mechanism comprises a first pressing mechanism (3), the first pressing mechanism (3) comprises a first oil cylinder (30), a first cylinder rod (31) sleeved with the first oil cylinder (30), and the first oil cylinder (30) is fixedly connected to the fixing frame (1) via a first fixing seat (32).
2. The dump truck box closing and pressing device according to claim 1, characterized in that: The pressing mechanism further comprises an oil cylinder pressing plate (5), and the oil cylinder pressing plate (5) is fixed to the first cylinder rod (31) via a first connecting seat.
3. The dump truck box closing and pressing device according to claim 2, characterized in that: The sleeve structure (2) includes a square tube (20), a telescopic tube (21) sleeved with the square tube (20), and one end of the square tube (20) is fixed to the upper position of the oil cylinder pressure plate (5) through a sleeve structure connecting seat (24).
4. The dump truck box closing and pressing device according to claim 3, characterized in that: A support plate (23) is provided on the fixing frame (1), a support column (22) is provided on the support plate (23), and the upper end of the support column (22) is fixedly connected to the square tube (20).
5. The dump truck box closing and pressing device according to claim 4, characterized in that: The number of the square tubes (20) and the telescopic tubes (21) is two each, and the number of the support columns (22) is four.
6. The dump truck box closing and pressing device according to claim 4, characterized in that: The first oil cylinder (30) is also fixed on the upper part of the support plate (23).
7. The dump truck box closing and pressing device according to claim 5, characterized in that: The clamping mechanism further comprises a second clamping mechanism (4), the second clamping mechanism (4) comprising a second oil cylinder (40) and a second cylinder rod (41) sleeved with the second oil cylinder (40), the second oil cylinder (40) being fixedly connected to the fixing frame (1) via a second fixing seat (42).
8. The dump truck box closing and pressing device according to claim 7, characterized in that: The second cylinder rod (41) is fixed to the lower position of the oil cylinder pressure plate (5) via a second connecting seat (43).
9. The dump truck box closing and pressing device according to claim 7, characterized in that: The first pressing mechanism (3) and the second pressing mechanism (4) are arranged side by side up and down.
10. The dump truck box closing and pressing device according to claim 8, characterized in that: The first oil cylinder (30) and the second oil cylinder (40) are driven by a hydraulic system and an electric control system, and the operator of the electric control system is a handheld remote controller.