Prefabricating mold of buried pipeline concrete encapsulating component
By designing bottom templates, side templates, end templates, and a mechanized demolding mechanism, the problem of time-consuming and labor-intensive demolding of existing molds was solved, enabling fast and accurate component separation and improving production efficiency and component quality.
Patent Information
- Application Number
- CN202520374890.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing precast molds for concrete encapsulation components of underground pipelines are time-consuming and labor-intensive during demolding, making it difficult to meet the needs of large-scale production. They also easily damage the surface of the components, increasing maintenance and replacement costs.
The design employs a combination of bottom template, side template, end template, hangers, template locking mechanism, and template opening limit mechanism. Through gravity drive and mechanized demolding, it achieves rapid and precise separation of components from the mold.
It improves demolding efficiency, ensures component quality, reduces labor intensity and equipment maintenance costs, and meets the needs of large-scale production.
Smart Images

Figure CN223890203U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a prefabricated mould of a buried pipeline concrete enveloping component. BACKGROUND
[0002] The buried pipeline concrete enveloping component is connected through mortise and tenon, and one end of each enveloping component is a tenon and the other end is a mortise hole. At present, the two end head templates and the two side edge templates in the prefabricated mould of the assembled concrete enveloping component are connected through bolt fasteners, and the inner surfaces of the two end head templates are also provided with mortise hole templates and tenon templates one by one, so that the end head templates need to be removed when demoulding. At present, the prefabricated mould is mainly knocked or pried by workers using hammers, crowbars and other tools to separate the concrete enveloping component from the prefabricated mould. This manual demoulding method not only consumes time and effort and is difficult to meet the needs of large-scale production, but also is difficult to guarantee the consistency of demoulding. Meanwhile, the surface of the just-formed component is easily scratched in the manual demoulding process, such as surface cracks and corner damage, which affects the appearance quality and structural performance of the component. In addition, frequent manual demoulding also accelerates the wear of the prefabricated mould and increases the maintenance and replacement cost of the prefabricated mould. SUMMARY
[0003] The utility model aims at overcoming the defects of the prior art and providing a prefabricated mould of a buried pipeline concrete enveloping component, which can not only accurately control the size of the concrete enveloping component, but also quickly separate the concrete enveloping component from the mould to meet the needs of large-scale production.
[0004] The utility model aims at overcoming the defects of the prior art and providing a prefabricated mould of a buried pipeline concrete enveloping component, which can not only accurately control the size of the concrete enveloping component, but also quickly separate the concrete enveloping component from the mould to meet the needs of large-scale production.
[0005] One end of the top surface of the bottom template is fixed with a mortise hole template for forming a mortise hole of the enveloping component;
[0006] The two side edge templates are hingedly connected to the top surfaces of the two side edges of the bottom template one by one;
[0007] The two end head templates are hingedly connected to the top surfaces of the two end edges of the bottom template one by one, and the two end head templates and the two side edge templates together form a side mould of the prefabricated mould in the form of edge covering; the inner surface of one end head template away from the mortise hole template on the bottom template is fixed with a tenon template corresponding to the mortise hole template and used for forming a tenon of the enveloping component;
[0008] The two lifting rods are installed on the centers of the outer surfaces of the two end head templates one by one;
[0009] Two pairs of template locking mechanisms are installed between the top of the outer surface of the two ends of the side templates and the top of the two side end faces of the end templates respectively; each template locking mechanism comprises a locking hook and an opening and closing execution assembly; the locking hook is fixed on the side end face of the end template; the opening and closing execution assembly comprises a hinged rod, a connecting rod, a locking piece, a handle, a lock, a movable rod and a lock spring; the inner end of the hinged rod is fixed on the top of the outer surface of the side template; the inner end of the connecting rod is hinged with the outer end of the hinged rod; the locking piece is a closed U-shaped piece bent from a long iron plate, the rear closed part of the locking piece clamps and hingedly connects the outer end of the connecting rod and the rear end of the handle together, a through hole is formed in the center of the front end plate of the locking piece, and a long slot hole is formed in the middle of the upper arm and the lower arm of the locking piece respectively; the lock is a long waist type ring and is sleeved on the locking hook; the movable rod is inserted into the locking piece from the through hole of the locking piece, the center of the rear end face of the lock is connected with the front end of the movable rod, a spring pressing plate is fixed on the rear end of the movable rod, and the middle of the top surface and the middle of the bottom surface of the spring pressing plate are provided with flanges inserted into the two long slot holes of the locking piece respectively; the lock spring is installed on the movable rod and located between the front end plate and the spring pressing plate of the locking piece.
[0010] Two pairs of template opening limiting mechanisms are installed between the middle of the outer surface of the two ends of the side templates and the middle of the two side end faces of the end templates respectively; each template opening limiting mechanism comprises an opening limiting plate and a limiting bolt; the opening limiting plate is fixed on the side end face of the end template and is inclined to the outside of the side template; a long waist type limiting hole is formed in the opening limiting plate; the limiting bolt is inserted into the limiting hole of the opening limiting plate and is vertically installed on the end outer surface of the side template.
[0011] The prefabricated mold of the buried pipeline concrete enclosing member, wherein the two end faces of the side templates are respectively provided with dovetail tenons; and the two inner surfaces of the end templates are respectively provided with dovetail mortises matched with the dovetail tenons.
[0012] The prefabricated mold of the buried pipeline concrete enclosing member, wherein a plurality of stiffening plates are arranged between the outer surface of the suspender and the outer surface of the end template.
[0013] The prefabricated mold of the buried pipeline concrete enclosing member, wherein the template locking mechanism further comprises a supporting block fixed on the outer surface of the side template and used for abutting against the rear closed part of the locking piece.
[0014] The prefabricated mold of the buried pipeline concrete enclosing member has the following characteristics:
[0015] 1. The mold cavity, consisting of a bottom mold, two side molds, and two end molds, can be adjusted and optimized according to the size and shape of different encapsulation components to meet the production needs of various encapsulation components and to precisely control the size of concrete encapsulation components.
[0016] 2. The demolding mechanism of "gravity drive plus limit control" is adopted to realize the rapid demolding of the encapsulated components, which greatly shortens the demolding time, improves production efficiency, and meets the needs of large-scale production;
[0017] 3. A precise bottom-release method is adopted during the demolding process to ensure that the precast components are not damaged during demolding, effectively avoiding problems such as surface cracks and edge damage of the encapsulated components, thereby improving the quality of the components and their subsequent use.
[0018] 4. By combining manual labor with mechanized demolding, manual intervention is significantly reduced. Workers only need to lift and rotate the mold, operate the rotating template locking mechanism, and release the locking latches and hooks to complete the demolding process, eliminating the need for heavy physical labor. This not only reduces the labor intensity of workers but also improves work comfort and safety, reducing fatigue and the risk of misoperation caused by prolonged repetitive work.
[0019] 5. Because this invention improves demolding efficiency and component quality, it reduces the cost increase caused by component damage and rework. At the same time, the mechanized demolding method also reduces labor costs and equipment maintenance costs. Attached Figure Description
[0020] Figure 1 This is an isometric view of one side of the prefabricated mold for the concrete encapsulation component of the underground pipeline of this utility model.
[0021] Figure 2 This is an axonometric view of the other side of the prefabricated mold of this utility model;
[0022] Figure 3 This is a side view of the prefabricated mold of this utility model;
[0023] Figure 4 This is a front view of the prefabricated mold of this utility model;
[0024] Figure 5 This is a top view of the prefabricated mold of this utility model;
[0025] Figure 6 This is an isometric view of the template locking mechanism in the precast mold of this utility model when it is closed;
[0026] Figure 7 This is an isometric view of the template locking mechanism in the precast mold of this utility model when it is open;
[0027] Figure 8This is an isometric view of the prefabricated mold of this utility model when it is opened. Detailed Implementation
[0028] The present invention will be further described below with reference to the accompanying drawings.
[0029] Please see Figures 1 to 6 The precast mold for the concrete encapsulation component of the buried pipeline of this utility model includes a bottom template 1, two side templates 2, two end templates 3, two hanging rods 4, two pairs of template locking mechanisms and two pairs of template opening limiting mechanisms.
[0030] The top surface of the bottom template 1 has a semi-cylindrical cavity template for forming the cavity of the encapsulated component. A mortise template 11 for forming the mortise of the encapsulated component is fixed on the top surface of one end of the bottom template.
[0031] Each side template 2 has a dovetail tenon on its two end faces; each of the two side templates 2 is hinged to the top surface of the two sides of the bottom template 1 with a pair of hinges 10.
[0032] Each end template 3 has a dovetail tenon groove on its inner surface on both sides to fit the dovetail tenon. The two end templates 3 are hinged to the top surface of the two ends of the bottom template 1 by a pair of hinges 10, so that the two end templates 3 together with the two side templates 2 form the side mold of the precast mold in the form of an edge, and the side mold and the bottom template 1 form a mold cavity. A tenon template 12 corresponding to the mortise template 11 and used to form the tenon of the enclosing component is fixed on the inner surface of an end template 3 that is far away from the mortise template on the bottom template 1. The tenon template 12 is door-shaped.
[0033] Two hangers 4 are installed one-to-one at the center of the outer surface of the two end templates 4; several stiffening plates 40 are set between the outer surface of each hanger 4 and the outer surface of the end templates 3.
[0034] Two pairs of template locking mechanisms are installed one-to-one between the top of the outer surfaces at both ends of the two side templates 2 and the top of the two end faces of the two end templates 3; each template locking mechanism includes a locking hook 50 and an opening and closing execution component 5; the locking hook 50 is fixed to the top of the side face of the end template 3.
[0035] The opening / closing actuator 5 includes a hinge rod 51, a connecting rod 52, a locking element 53, an operating handle 54, a latch 55, a movable rod 56, a latch spring 57, and a stop block 58. The inner end of the hinge rod 51 is fixed to the top of the outer surface of the side template 2. The inner end of the connecting rod 52 is hinged to the outer end of the hinge rod 51. The locking element 53 is a closed U-shaped piece bent from a narrow iron plate. The rear closed portion of the locking element 53 clamps and hinges the outer end of the connecting rod 52 and the rear end of the operating handle 54 together. A through hole is formed in the center of the front plate of the locking element 53, and the middle of the upper arm of the locking element 53... Each of the lower arm and the upper arm has a long slot 530 along its length; the latch 55 is an elongated ring with its front end fitted onto the latch hook 50; the movable rod 56 is inserted into the locking member 53 through the hole in the locking member 53, and the front end of the movable rod 56 is connected to the center of the rear end face of the latch 55. A spring pressure plate 560 is fixed to the rear end of the movable rod 56. The top and bottom surfaces of the spring pressure plate 560 are respectively provided with flanges that are inserted into the two long slots 530 of the locking member 53; the latch spring 57 is installed on the movable rod 56 and is located between the front end plate of the locking member 53 and the spring pressure plate 560. After the latch 55 is put on the hook 50, the handle 54 is pulled forward to move the outer end of the connecting rod 52 backward until the inner end of the connecting rod 52 enters the locking member 53, that is, the angle between the connecting rod 52 and the hinge rod 51 is 90°. Through the action of the latch spring 57, the front end of the latch 55 is tightly hooked on the hook 50. The abutment block 58 is fixed on the outer surface of the side template 2 and is used to abut the rear closed part of the locking member 53.
[0036] Two pairs of template opening limiting mechanisms are installed one-to-one between the middle of the outer surfaces of the two side templates 2 and the middle of the two end faces of the two end templates 3. Each template opening limiting mechanism includes an opening limiting plate 61 and a limiting bolt 62. The opening limiting plate 61 is fixed to the side end face of the end template 3 and tilts downwards and outwards from the side template 2. An elongated limiting hole is provided on the opening limiting plate 61. The limiting bolt 62 is inserted into the limiting hole of the opening limiting plate 61 and is installed vertically on the outer surface of the end of the side template 2. The opening angle of the end template 3 is controlled by adjusting the length of the limiting bolt 62.
[0037] The prefabrication mold for the concrete encapsulation component of the buried pipeline of this utility model includes the following steps in the prefabrication of the concrete encapsulation component:
[0038] Step 1: First, the two side templates 2 and the two end templates 3 are each perpendicular to the bottom template 1 through a pair of hinges 10. Then, the two end templates 3 and the two side templates 2 are locked together through the two pairs of template opening and limiting mechanisms, so that the two side templates 2 and the two end templates 3 together with the bottom template 1 form a mold cavity, and the pouring port of the precast mold faces upward. Then, the concrete is poured into the mold cavity.
[0039] Step 2: After the concrete reaches its final setting strength, reliably connect the hook of the hoisting equipment to the two corresponding lifting rods 4 welded to the outer surfaces of the two end formwork 3.
[0040] Step 3: Start the hoisting equipment to lift the precast mold and the concrete encapsulation component inside the precast mold to a height of 0.5 to 1.0 meters off the ground, and then pause. The operator manually flips the bottom template 1 of the precast mold, so that the precast mold rotates 180° around the two lifting rods 4, so that the pouring opening of the precast mold faces downward. Due to the obstruction of the tenon template 12, the concrete encapsulation component cannot fall out of the pouring opening of the precast mold.
[0041] Step four: The operator grasps the control lever 54 in the opening / closing actuator 5 to unlock the template. The operator first pulls the control lever 54 outwards and towards the corresponding hook 50, causing the hinged end of the control lever 54 and the locking member 53 to move outwards and towards the corresponding hook 50 until the angle between the connecting rod 52 and the hinge rod 51 changes from 90° to greater than 180°. This causes the locking member 53 to move towards the corresponding hook 50 and approach it. The movable rod 56 inside the locking member 53 moves backwards until the flange on the spring pressure plate 560 moves to the rear end of the long slot 530 of the locking member 53. At this point, the front end of the latch 55 exceeds the front end of the hook 50. The operator then grasps the front part of the locking member 53 and pulls it outwards, causing the latch 55 to disengage from the hook 50 via the movable rod 56 (see...). Figure 7 );
[0042] Step 5: After releasing the engagement between the latch 55 and the hook 50, the concrete encapsulation component inside the precast mold moves downward under its own weight, pushing the two side templates 2 and the two end templates 3 to unfold outward around a pair of hinges 10. During the unfolding process, the opening angle of the two side templates 2 and the two end templates 3 is controlled by the sliding of the limiting bolts 62 in the limiting holes of the opening limiting plate 61. The concrete encapsulation component moves vertically downward through the pyramidal demolding channel formed by the bottom template 1 and the unfolded two side templates 2 and two end templates 3 (see...). Figure 8 It falls off smoothly in the middle.
[0043] The above embodiments are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention and should be defined by the claims.
Claims
1. A precast mold for a concrete encapsulation component of an underground pipeline, comprising a bottom mold, two side molds, two end molds, two hanging rods, two pairs of mold locking mechanisms, and two pairs of mold opening limiting mechanisms; characterized in that, A mortise template for forming the mortise of the encapsulating component is fixed on the top surface of one end of the bottom template; The two side templates are hinged one-to-one to the top surface of the two side edges of the bottom template; Two end templates are hinged to the top surfaces of the two ends of the bottom template in a corresponding manner. The two end templates together with the two side templates form the side mold of the precast mold in the form of an edge wrapping. A tenon template corresponding to the mortise template and used to form the tenon of the enclosing component is fixed on the inner surface of an end template that is away from the mortise template on the bottom template. Two hangers are installed one-to-one at the center of the outer surface of the two end templates; Two pairs of template locking mechanisms are installed one-to-one between the top of the outer surfaces of the two side templates and the top of the two end templates on both sides. Each template locking mechanism includes a locking hook and an opening / closing actuation assembly. The locking hook is fixed to the side end face of the end template. The opening / closing actuation assembly includes a hinge rod, a connecting rod, a locking element, an operating handle, a latch, a movable rod, and a latch spring. The inner end of the hinge rod is fixed to the top of the outer surface of the side template. The inner end of the connecting rod is hinged to the outer end of the hinge rod. The locking element is a closed U-shaped piece bent from a narrow iron plate. The rear closed portion of the locking element connects the outer end of the connecting rod and the operating handle. The rear ends of the longitudinal handle are clamped and hinged together. A through hole is opened in the center of the front plate of the locking member. An elongated slot is opened in the middle of the upper arm and the middle of the lower arm of the locking member along the length direction. The latch is an elongated waist-shaped ring with its front end fitted onto the lock hook. The movable rod is inserted into the locking member through the through hole, and the front end of the movable rod is connected to the center of the rear end face of the latch. A spring pressure plate is fixed to the rear end of the movable rod. The top and bottom surfaces of the spring pressure plate are respectively provided with flanges that are inserted into the two elongated slots of the locking member. The latch spring is installed on the movable rod and is located between the front plate of the locking member and the spring pressure plate. Two pairs of template opening and limiting mechanisms are installed one-to-one between the middle of the outer surfaces at both ends of the two side templates and the middle of the two end faces of the two end templates; each template opening and limiting mechanism includes an opening limiting plate and a limiting bolt; the opening limiting plate is fixed on the side end face of the end template and tilted downwards and outwards from the side template, and an elongated limiting hole is provided on the opening limiting plate; the limiting bolt is inserted into the limiting hole of the opening limiting plate and then vertically installed on the outer surface of the end of the side template.
2. The precast mold for the concrete encapsulation component of the buried pipeline according to claim 1, characterized in that, Each of the two end faces of the side template is provided with a dovetail tenon; each of the two inner surfaces of the end template is provided with a dovetail tenon groove that matches the dovetail tenon.
3. The precast mold for the concrete encapsulation component of the buried pipeline according to claim 1, characterized in that, Several stiffening plates are provided between the outer surface of the hanger and the outer surface of the end template.
4. The precast mold for the concrete encapsulation component of the buried pipeline according to claim 1, characterized in that, The template locking mechanism also includes a stop block fixed to the outer surface of the side template for the rear closing part of the locking element to abut against.