Steel mould trolley
By designing a steel mold trolley with split-type combined steel mold and a retractable steel mold inner bracket structure, the problem of difficulty in operating in extra-small section tunnels in the prior art is solved, and the width expansion control and height adjustment of the trolley is realized, the structure and maintenance are simplified, and the cost is reduced.
Patent Information
- Application Number
- CN202421801645.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-29
AI Technical Summary
Existing steel mold trolleys are difficult to operate in water diversion tunnels with very small sections, with small space, complex and bulky structure, easy to leak electricity, complex maintenance, and high cost.
A split-type combined steel mold and retractable steel mold inner bracket structure is designed. The height and width of the combined steel mold are adjusted by jacks to realize the width expansion control and height adjustment of the trolley, simplifying the structure and reducing costs.
It realizes the flexibility and efficiency of steel mold trolleys, reduces the restriction of cornering, fast disassembly and assembly speed, simple structure, simple maintenance, and reduces cost investment. It is suitable for the operation of extra-small section tunnels.
Smart Images

Figure CN222810821U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel construction of water conservancy and hydropower engineering, in particular to a steel mold trolley. Background Art
[0002] Steel formwork trolley is a special equipment designed and manufactured to improve the surface finish and lining speed of tunnel lining and reduce labor intensity. It is mostly composed of hydraulic system, electric travel, main frame, roller guide rail, etc. However, in the water diversion tunnel with a very small cross-section of ≤10㎡, if the steel formwork trolley of the existing technology is used directly, there are problems such as small operating space, complex and bulky structure, easy leakage in humid environment, need for special maintenance and operation, and high cost.
[0003] Therefore, it is necessary to develop a steel mold trolley to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to design a steel mold trolley in order to solve the above problems.
[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:
[0006] A steel mold trolley, comprising:
[0007] Active skeleton;
[0008] Multiple latches; the multiple latches are mounted on the first side wall of the movable frame, and the multiple latches are arranged horizontally;
[0009] A fixed frame; a first side wall of the fixed frame is horizontally provided with a plurality of slots, into which the latches are inserted, and the horizontal guides are slidably matched;
[0010] The combined steel mold is formed into a U shape, a movable template is arranged in the middle of the combined steel mold, a first end of the movable template is rotatably connected to the combined steel mold body on the first side, a second end of the movable template is connected to the combined steel mold body on the second side by bolts, and a second side wall of the fixed frame is connected to the combined steel mold body on the second side;
[0011] A plurality of threaded support rods; both ends of the threaded support rods are horizontally supported on the first side wall of the movable frame and the fixed frame respectively;
[0012] A plurality of rollers; the plurality of rollers are mounted on the bottom of the fixed frame;
[0013] Multiple jacks; multiple jacks are installed at the bottom of the fixed frame.
[0014] The beneficial effects of the utility model are:
[0015] The steel mold trolley of the present application can realize the width telescopic control of the steel mold trolley through the split combined steel mold and the retractable steel mold internal bracket structure design, and the height of the combined steel mold can be adjusted by the action of the jack, which makes the steel mold trolley less restricted in turning and fast in assembly and disassembly, and has the advantages of light and low cost of assembling steel molds and flat appearance and high efficiency of the trolley; and the cost investment is small; the weight is light and can be pried by manpower; it does not rely on electricity and hydraulic cylinders to lift the formwork, the structure is simple and reliable, maintenance is simple, and in the case of extremely small section tunnels, there is ample operating space for workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is the front view of the utility model;
[0017] Figure 2 yes Figure 1 Schematic diagram of the structure of part C in FIG.
[0018] Figure 3 yes Figure 1 Schematic diagram of the structure of part D in FIG.
[0019] Figure 4 This is a schematic diagram of the structure of the combined steel mold in the utility model in a contracted state;
[0020] Figure 5 It is a left view of the utility model;
[0021] Figure 6 yes Figure 5 A longitudinal cross-sectional view of the threaded support rod arrangement in FIG.
[0022] In the figure: 1- movable frame, 2- latch, 3- roller, 4- jack, 5- fixed frame, 51- upper cross bar, 52- lower cross bar, 53- vertical bar, 54- side wall frame, 6- movable formwork, 7- hinge, 8- limit baffle, 9- combined steel mold, 10- threaded support rod. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.
[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0026] In the description of the present utility model, it should be understood that the terms "upper", "lower", "inside", "outside", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use, or are directions or positional relationships that are usually understood by those skilled in the art. These directions or positional relationships are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present utility model.
[0027] Furthermore, the terms “first”, “second”, etc. are merely used for distinguishing descriptions and should not be understood as indicating or implying relative importance.
[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms such as "setting" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] The specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings.
[0030] like Figure 1 , 4 -6, a steel mold trolley, comprising:
[0031] Active skeleton 1;
[0032] Multiple latches 2; multiple latches 2 are mounted on the first side wall of the movable frame 1, and multiple latches 2 are arranged horizontally; the cooperation between the latches 2 and the slots can limit the movable frame 1 to slide only left and right;
[0033] A fixed frame 5; a plurality of slots are horizontally arranged on the first side wall of the fixed frame 5, into which the latch 2 is inserted, and the horizontal guide slides;
[0034] Combined steel mold 9; the combined steel mold 9 is formed into a U shape, a movable template 6 is provided in the middle of the combined steel mold 9, a first end of the movable template 6 is rotatably connected to the main body of the combined steel mold 9 on the first side, a second end of the movable template 6 is connected to the main body of the combined steel mold 9 on the second side by bolts, and a second side wall of the fixed frame 5 is connected to the main body of the combined steel mold 9 on the second side;
[0035] Four threaded support rods 10; both ends of the threaded support rods 10 are horizontally supported on the first side wall of the movable frame 1 and the fixed frame 5 respectively;
[0036] Multiple rollers 3; Multiple rollers 3 are installed at the bottom of the fixed frame 5;
[0037] Multiple jacks 4; multiple jacks 4 are evenly distributed and installed at the bottom of the fixed frame 5.
[0038] like Figure 1 and 5 As shown, in some embodiments, the fixed frame 5 is formed into a rectangular parallelepiped frame structure, and the fixed frame 5 includes two upper cross bars 51, two lower cross bars 52, two vertical bars 53, and a side wall frame 54. The two ends of a vertical bar 53 are respectively placed between the first end of the upper cross bar 51 and the first end of the lower cross bar 52, the vertical bars 53 and the side wall frame 54 are respectively perpendicular to the upper cross bar 51 and the lower cross bar 52, the upper cross bar 51 and the lower cross bar 52 are parallel, the vertical bars 53 are parallel to the side wall frame 54, and the second end of the upper cross bar 51 and the second end of the lower cross bar 52 are both perpendicular to the side wall frame The first side wall of the frame 54 is connected, the second side wall of the side wall frame 54 is connected to the main body of the combined steel mold 9 on the second side, the slots are set in the first end of the upper cross bar 51 and the first end of the lower cross bar 52, and there are four corresponding pins 2; the two ends of the threaded strut 10 are horizontally supported on the first side wall of the movable frame 1 and the first side wall of the side wall frame 54 through earrings, and the two ends of the threaded strut 10 are hinged with the movable frame 1 (1) and the fixed frame 5 (5) through earrings. A hole is left in the middle of the threaded strut 10, and the length of the threaded strut 10 can be adjusted by inserting a crowbar and rotating it.
[0039] like Figure 2 As shown, in some embodiments, the first end of the movable template 6 is connected to the main body of the combined steel template 9 on the first side by a hinge 7.
[0040] like Figure 1 and 3As shown, in some embodiments, the second end of the movable template 6 and the end of the combined steel mold 9 body on the second side connected thereto are formed as inclined surfaces, the inclined surface on the second end of the movable template 6 is arranged upward, and the inclined surface of the end of the combined steel mold 9 body on the second side is arranged downward, and the inclined surface on the second end of the movable template 6 forms an inclined surface match with the inclined surface of the end of the combined steel mold 9 body on the second side.
[0041] like Figure 1 As shown, in some embodiments, a limit baffle 8 is further provided above the first side wall of the movable frame 1, and the limit baffle 8 is provided horizontally. When the lower surface of the limit baffle 8 is placed on the top of the upper cross bar 51, the main body of the combined steel mold 9 on the first side is at the same height as the main body of the combined steel mold 9 on the second side. The limit baffle 8 can limit the range of motion of the movable frame 1 to prevent it from falling and collapsing.
[0042] In the present application, the fixed frame 5 serves as the main frame of the steel mold trolley, bearing the weight of the steel mold trolley and the newly poured concrete, the lateral pressure and the load generated during the construction process, and ensuring the safety of the construction process; the movable frame 1 serves as the secondary frame of the steel mold trolley, cooperates with the fixed frame 5 to bear the load, and can adjust the position between the fixed frame 5 to achieve the purpose of rapid unloading and demolding; the combined steel mold 9 serves as the functional implementation part of the steel mold trolley, and is used to limit the shape and design size of the newly poured concrete component, so that it can be formed according to the design requirements and improve the surface quality of the concrete; the steel mold trolley has two states, working and retracted. In the working state, the position is fixed to create conditions for concrete molding. In the retracted state, the trolley can be moved in the tunnel, or equipment maintenance can be performed;
[0043] Working principle: The steel mold trolley is in a retracted state (such as Figure 4 After the screw rod 10 is manually pried into place, a crowbar is inserted into the middle hole of the adjusting screw rod 10 and the length of the screw rod can be adjusted by rotating it (as shown in FIG. Figure 6 As shown in the figure, the movable frame 1 can only move in the left and right directions under the restriction of the limit baffle 8 and the latch 2, that is, the distance between it and the fixed frame 5 is opened until the width of the templates on both sides of the trolley reaches the width of the design drawing; the movable template 6 is raised and connected to the combined steel mold 9 to form a whole; the jack 4 is raised until the trolley reaches the design height (as shown in the figure). Figure 1As shown); adjust the combined positions of multiple trolleys in sequence. When all are in place, connect the templates between adjacent trolleys with bolts and tighten them to form a whole. Finally, check the template size, position, and elevation. After checking that they are correct, you can carry out subsequent work such as end-capping and pouring concrete. After the concrete construction is completed and the demolition conditions are met, loosen the bolts between adjacent trolleys, loosen the bolts of the movable template 6, lower the movable template 6, tighten the threaded support rod 10, and shrink the movable skeleton 1; loosen the jack 4, remove the concrete and debris on the combined steel mold 9, apply the release agent, and then enter the next cycle of operation. The steel mold trolley can coordinate multiple trolleys according to the length of each warehouse concrete, the weight of the segment, and the bending requirements;
[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A steel mold trolley, characterized in that: include: Active skeleton; Multiple latches; the multiple latches are mounted on the first side wall of the movable frame, and the multiple latches are arranged horizontally; A fixed frame; a first side wall of the fixed frame is horizontally provided with a plurality of slots, into which the latches are inserted, and the horizontal guides are slidably matched; The combined steel mold is formed into a U shape, a movable template is arranged in the middle of the combined steel mold, a first end of the movable template is rotatably connected to the combined steel mold body on the first side, a second end of the movable template is connected to the combined steel mold body on the second side by bolts, and a second side wall of the fixed frame is connected to the combined steel mold body on the second side; A plurality of threaded support rods; both ends of the threaded support rods are horizontally supported on the first side wall of the movable frame and the fixed frame respectively; A plurality of rollers; the plurality of rollers are mounted on the bottom of the fixed frame; Multiple jacks; multiple jacks are installed at the bottom of the fixed frame.
2. A steel mold trolley according to claim 1, characterized in that: The fixed frame is formed as a rectangular frame structure, and the fixed frame includes two upper cross bars, two lower cross bars, two vertical bars, and a side wall frame. The two ends of a vertical bar are respectively placed between the first end of the upper cross bar and the first end of the lower cross bar. The vertical bar and the side wall frame are respectively perpendicular to the upper cross bar and the lower cross bar. The upper cross bar and the lower cross bar are parallel. The vertical bar is parallel to the side wall frame. The second end of the upper cross bar and the second end of the lower cross bar are both connected to the first side wall of the side wall frame. The second side wall of the side wall frame is connected to the combined steel mold body on the second side. The slot is set in the first end of the upper cross bar and the first end of the lower cross bar, and there are four corresponding pins.
3. A steel mold trolley according to claim 1, characterized in that: The first end of the movable template is connected to the combined steel template body on the first side through a hinge.
4. A steel mold trolley according to claim 1, characterized in that: The second end of the movable template and the end of the combined steel mold body on the second side connected thereto are both formed as inclined surfaces. The inclined surface on the second end of the movable template is arranged upward, and the inclined surface of the end of the combined steel mold body on the second side is arranged downward. The inclined surface on the second end of the movable template and the inclined surface of the end of the combined steel mold body on the second side form an inclined surface match.
5. A steel mold trolley according to claim 2, characterized in that: A limit baffle is also arranged above the first side wall of the movable frame. The limit baffle is arranged horizontally. When the lower surface of the limit baffle is placed on the top of the upper cross bar, the combined steel mold body on the first side has the same height as the combined steel mold body on the second side.