A mold for producing cement utility poles
By introducing a sliding plug-in mechanism of positioning rods, tie rods, and limiting components into the cement pole production mold, the problem of low efficiency of traditional bolt and nut connections is solved, enabling rapid assembly and stable connection of the mold, and improving production efficiency and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAOFENG BAODIAN POLE MFG CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-31
AI Technical Summary
The existing cement pole production molds require multiple sets of bolts and nuts during assembly, resulting in low assembly efficiency and inconvenience to workers.
It employs a connecting mechanism and limiting components, including positioning rods, pull rods, pull plates, shrink rods, and shrink springs, to achieve rapid fixing and disassembly of the mold through sliding and plugging, replacing the traditional bolt and nut connection.
It improves the assembly efficiency and stability of molds, reduces operation steps, enhances the convenience of workers and production efficiency, and avoids mold displacement and cement leakage.
Smart Images

Figure CN224575894U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cement pole production technology, specifically a mold for cement pole production. Background Technology
[0002] Utility poles are used to erect power lines or high-voltage lines and are one of the important infrastructures. Currently, the most commonly used utility poles are cement poles. In the production process of utility poles, the molding of concrete in a mold is an important step, and a mold is usually required to shape the cement.
[0003] Publication No. CN221912560U discloses a mold for producing cement utility poles. This device involves placing and fixing the cage frame of the cement utility pole in a bottom mold, then pouring cement into the bottom mold. During pouring, as the cement flows out to both sides of the bottom mold, the lower positioning plate and the lower internal threaded hole prevent cement from entering the lower internal threaded hole, thus preventing blockage. After pouring, a cover mold can be installed. With the cover mold installed, the upper positioning plate is positioned outside the corresponding lower positioning plate and fits against it. Then, by tightening the corresponding hexagonal nut bolts, the bottom mold and cover mold are fixed together. However, this patent still has the following problems in actual use:
[0004] This device prevents cement from clogging the lower internal threaded hole on the bottom mold during the process of pouring cement into the bottom mold. After the cement is poured, it is easy for the operator to quickly fix the bottom mold and the top mold together with fixing bolts. However, the device requires multiple sets of bolts and nuts to assemble the mold. Therefore, the operator needs to use tools such as wrenches to operate the bolts and nuts when assembling the mold, which greatly reduces the assembly efficiency of the cement pole mold and causes inconvenience to the operator.
[0005] A mold for producing cement utility poles is proposed to address the problems mentioned above. Utility Model Content
[0006] The purpose of this utility model is to provide a mold for producing cement utility poles, in order to solve the problem mentioned in the background art. Currently, when cement is poured into the bottom mold, it is possible to prevent cement from clogging the lower internal thread hole on the bottom mold. After the cement is poured, it is convenient for operators to quickly fix the bottom mold and the top mold together with fixing bolts. However, this device requires the use of multiple sets of bolts and nuts when assembling the mold. Therefore, the workers need to use wrenches and other tools to operate the bolts and nuts when assembling the mold, which greatly reduces the assembly efficiency of cement utility pole molds.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a mold for producing cement utility poles, including a lower mold, an upper mold attached to the top of the lower mold, and end plates symmetrically fixedly installed at both ends of the lower mold; a connecting mechanism is provided between the lower mold and the upper mold, and a limit component is provided between the end plates and the upper mold;
[0008] The connecting mechanism includes first support plates symmetrically fixedly installed on both sides of the upper mold, and second support plates symmetrically fixedly installed on both sides of the lower mold. A fixed box is fixedly connected to the bottom of each of the second support plates. A positioning rod is welded to the bottom of each of the first support plates, and the bottom of the positioning rod passes through the fixed box and is slidably connected to it. A pull rod is slidably connected inside one side of the fixed box, and a pull plate is fixedly connected to one end of the pull rod. A positioning block is welded to the side of the pull plate away from the pull rod. A positioning groove is opened on one side of the bottom of each positioning rod, and the positioning block is inserted into the positioning groove. A first retraction rod is symmetrically fixedly connected between the inside of the fixed box and the pull plate, and a first retraction spring is sleeved on the outside of the first retraction rod.
[0009] Preferably, the end of the pull rod away from the pull plate is fixedly connected to a connecting plate, and a crossbar is fixedly connected between the bottoms of the connecting plates.
[0010] Preferably, a frame-shaped rubber block is fixedly connected to the bottom of the upper mold, and a frame-shaped groove is provided on the top of the lower mold, with the outside of the frame-shaped rubber block and the inside of the frame-shaped groove being fitted together.
[0011] Preferably, the limiting component includes a limiting box fixedly installed inside the end plate, and a rotating rod is rotatably connected inside one side of the limiting box, and a screw is fixedly installed at one end of the rotating rod. A sliding plate is slidably connected inside the limiting box, and a threaded tube is fixedly connected to one side of the sliding plate. The outside of the screw is threadedly connected to the inside of the threaded tube. Insert plates are welded to the side of the sliding plate away from the threaded tube. Slots are symmetrically opened on both sides of the upper mold, and the insert plates are inserted into the slots.
[0012] Preferably, a first connecting block is symmetrically fixedly installed on one side of the skateboard, and a second connecting block is symmetrically fixedly installed on the inner side of the limiting box. A second retractable rod is fixedly connected between the first connecting block and the second connecting block, and a second retractable spring is sleeved on the outside of the second retractable rod.
[0013] Preferably, a rotating block is fixedly installed at the end of the rotating rod away from the screw.
[0014] Preferably, the bottom of the positioning rod passes through the second support plate and is slidably connected to the second support plate.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: A mold for producing cement utility poles is described, in detail, as follows: An operator places the upper mold on top of the lower mold, allowing multiple sets of positioning rods to insert into the second support plate and the fixing box. The operator then pulls a lever to slide it inside the fixing box. The movement of the lever causes the pull plate to move, which in turn compresses the first contraction rod and the first contraction spring. Utilizing the extension and restoring property of the first contraction spring, multiple sets of positioning blocks are inserted into the positioning slots, thus achieving the effect of quickly fixing and limiting the positioning rods. This facilitates the operator's work on the upper and lower molds. The rapid assembly and disassembly of this technology is more convenient than the bolt and nut fixing method used in existing technologies, thus greatly improving the production efficiency of cement utility poles and providing convenience for workers. By rotating the rotating rod, the screw rotates, which in turn causes the threaded tube to move laterally. The movement of the threaded tube causes the sliding plate to slide inside the limit box, at which point the insert plate and the slot are inserted, thus achieving a rapid connection and fixation between the upper mold and the end plate. This greatly improves the stability of the upper mold after assembly and effectively avoids the phenomenon of the upper mold shifting due to external forces, providing convenience for workers.
[0016] 1. The upper mold is placed on top of the lower mold by the operator. At this time, the first and second support plates are in contact, allowing multiple sets of positioning rods to be inserted into the second support plate and the fixing box. The operator then pulls the pull rod, which slides inside the fixing box. The movement of the pull rod causes the pull plate to move, which in turn compresses the first retraction rod and the first retraction spring. The operator then releases the pull rod, and the retraction spring's extension and return properties allow multiple sets of positioning blocks to engage with the positioning slots. This achieves the effect of quickly fixing and limiting the positioning rods, facilitating the rapid assembly and disassembly of the upper and lower molds. This is an improvement over the existing technology that uses bolts. The mother-fixing method is more convenient, which greatly improves the production efficiency of cement poles and brings convenience to the workers. By pulling the crossbar, the workers can move multiple sets of connecting plates to the right. The movement of the connecting plates will drive the movement of the tie rods, thereby achieving the effect of quickly and synchronously operating multiple sets of tie rods. This greatly improves the flexibility of the device and brings practicality to the workers. When the upper mold and the lower mold are fitted together, the frame-shaped rubber block is inserted into the inside of the frame-shaped groove. At this time, the frame-shaped rubber block is squeezed and deformed, which can further improve the connection stability between the upper mold and the lower mold, and effectively prevent cement from leaking from the gap between the upper mold and the lower mold.
[0017] 2. The operator rotates the rotating rod, which drives the screw to rotate. Due to the threaded connection between the screw's exterior and the threaded tube's interior, the screw's rotation causes the threaded tube to move laterally. This movement of the threaded tube causes the sliding plate to slide inside the limit box, at which point the insert plate and slot are engaged. This achieves a quick connection and fixation between the upper mold and the end plate, greatly improving the stability of the assembled upper mold and effectively preventing external forces from causing the upper mold to shift. This provides convenience for operators. The movement of the sliding plate drives the movement of the first connecting block, causing the second retraction rod and the second retraction spring to retract or extend. When the insert plate and slot are engaged, the second retraction spring extends and resets, thus buffering the movement of the sliding plate. The tension generated by the second retraction spring also assists in the engagement between the insert plate and the slot, improving the connection stability between the upper mold and the end plate. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a partially enlarged structural diagram of the connecting mechanism in this utility model;
[0020] Figure 3 This is a schematic diagram of the overall side view structure of this utility model;
[0021] Figure 4 This is a side view of the overall operating structure of this utility model;
[0022] Figure 5 This is a top view of the overall operating structure of this utility model;
[0023] Figure 6 This is a top view of the overall structure of the limiting component in this utility model.
[0024] In the diagram: 1. Lower mold; 101. Upper mold; 102. End plate; 2. Connecting mechanism; 201. First support plate; 202. Second support plate; 203. Fixing box; 204. Positioning rod; 205. Pull rod; 206. Pull plate; 207. Positioning block; 208. Positioning groove; 209. First retraction rod; 210. First retraction spring; 211. Connecting plate; 212. Crossbar; 213. Frame-shaped rubber block; 214. Frame-shaped groove; 3. Limiting assembly; 301. Limiting box; 302. Rotating rod; 303. Screw; 304. Slide plate; 305. Threaded tube; 306. Insert plate; 307. Slot; 308. First connecting block; 309. Second connecting block; 310. Second retraction rod; 311. Second retraction spring; 312. Rotating block. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-6 The present invention provides a technical solution: a mold for producing cement utility poles, including a lower mold 1, an upper mold 101 attached to the top of the lower mold 1, and end plates 102 symmetrically fixedly installed at both ends of the lower mold 1; a connecting mechanism 2 is provided between the lower mold 1 and the upper mold 101, and a limiting component 3 is provided between the end plate 102 and the upper mold 101.
[0027] The connecting mechanism 2 includes first support plates 201 symmetrically fixedly installed on both sides of the upper mold 101, and second support plates 202 symmetrically fixedly installed on both sides of the lower mold 1. A fixing box 203 is fixedly connected to the bottom of each of the second support plates 202. A positioning rod 204 is welded to the bottom of each of the first support plates 201. The bottom of the positioning rod 204 passes through the second support plate 202 and is slidably connected to it. The bottom of the positioning rod 204 also passes through the fixing box 203 and is slidably connected to it. A pull rod 205 is slidably connected inside one side of the fixing box 203, and a pull plate 206 is fixedly connected to one end of the pull rod 205, with the pull plate 206 located away from the pull rod. Positioning blocks 207 are welded to one side of the 205, and positioning grooves 208 are opened on the bottom side of the positioning rod 204. The positioning blocks 207 and the positioning grooves 208 are inserted into each other. The first retraction rod 209 is symmetrically fixedly connected between the inside of the fixing box 203 and the pull plate 206. The first retraction spring 210 is sleeved on the outside of the first retraction rod 209. This can achieve the effect of quickly fixing the limiting positioning rod 204, which makes it easier for workers to quickly assemble and disassemble the upper mold 101 and the lower mold 1. This is more convenient than the bolt and nut fixing method in the prior art, which greatly improves the production efficiency of cement power poles and brings convenience to workers when using them.
[0028] A connecting plate 211 is fixedly connected to the end of the pull rod 205 away from the pull plate 206, and a crossbar 212 is fixedly connected between the bottoms of the connecting plates 211. When the operator pulls the crossbar 212, it causes multiple sets of connecting plates 211 to move to the right. The movement of the connecting plates 211 causes the pull rod 205 to move, thereby achieving the effect of quickly and synchronously operating multiple sets of pull rods 205. This greatly improves the flexibility of the device during use and brings practicality to the operator. A frame-shaped rubber block 213 is fixedly connected to the bottom of the upper mold 101. Furthermore, the top of the lower mold 1 is provided with a frame-shaped groove 214, and the outside of the frame-shaped rubber block 213 is fitted and connected to the inside of the frame-shaped groove 214. When the upper mold 101 and the lower mold 1 are fitted together, the frame-shaped rubber block 213 is inserted into the inside of the frame-shaped groove 214. At this time, the frame-shaped rubber block 213 is squeezed and deformed, which can further improve the connection stability between the upper mold 101 and the lower mold 1, thereby effectively preventing cement from leaking from the gap between the upper mold 101 and the lower mold 1, and bringing convenience to the staff when using it.
[0029] The limiting assembly 3 includes a limiting box 301 fixedly installed inside the end plate 102. A rotating rod 302 is rotatably connected to one side of the limiting box 301, and a screw 303 is fixedly installed at one end of the rotating rod 302. A sliding plate 304 is slidably connected inside the limiting box 301, and a threaded tube 305 is fixedly connected to one side of the sliding plate 304. The screw 303 is threadedly connected to the outside of the threaded tube 305. Insert plates 306 are welded to the side of the sliding plate 304 away from the threaded tube 305. Slots 307 are symmetrically opened on both sides of the upper mold 101, and the insert plates 306 are inserted into the slots 307. This enables the upper mold 101 and the end plate 102 to be quickly connected and fixed, which greatly improves the stability of the upper mold 101 after assembly and effectively avoids external forces from causing the upper mold 101 to be damaged. The 01 deviation phenomenon brings convenience to the staff during use. The first connecting block 308 is symmetrically fixedly installed on one side of the slide plate 304, and the second connecting block 309 is symmetrically fixedly installed on the inner side of the limit box 301. The second retraction rod 310 is fixedly connected between the first connecting block 308 and the second connecting block 309. The second retraction rod 310 is sleeved with a second retraction spring 311, which can buffer the slide plate 304 during movement. The tension generated by the second retraction spring 311 can assist the insertion between the insert plate 306 and the slot 307, and improve the connection stability between the upper mold 101 and the end plate 102. The end of the rotating rod 302 away from the screw 303 is fixedly installed with a rotating block 312. The design of the rotating block 312 makes it easy for the staff to operate the rotating rod 302.
[0030] Working principle: Before using this type of mold for producing cement utility poles, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 6 As shown, the worker places the steel reinforcement cage inside the lower mold 1, then pours cement into it. Next, the worker places the upper mold 101 on top of the lower mold 1, causing the first support plate 201 and the second support plate 202 to fit together. This allows multiple positioning rods 204 to be inserted into the second support plate 202 and the fixing box 203. The worker then pulls the pull rod 205, which slides inside the fixing box 203. The movement of the pull rod 205 moves the pull plate 206, which compresses the first retraction rod 209 and the first retraction spring 210. The worker then releases the pull rod 205, and the first retraction spring 210 extends and returns to its original position, allowing multiple positioning blocks 207 to engage with the positioning grooves 208. This achieves the effect of quickly fixing and positioning the limiting positioning rods 204, facilitating rapid operation of the upper mold 101 and the lower mold 1. The rapid assembly and disassembly of the device is more convenient than the bolt and nut fixing method used in the existing technology, thus greatly improving the production efficiency of cement poles and providing convenience for workers. By pulling the crossbar 212, the workers can move multiple sets of connecting plates 211 to the right. The movement of the connecting plates 211 can drive the movement of the pull rods 205, thereby achieving the effect of rapid synchronous operation of multiple sets of pull rods 205. This greatly improves the flexibility of the device and provides practicality for workers. When the upper mold 101 and the lower mold 1 are fitted together, the frame-shaped rubber block 213 is inserted into the frame-shaped groove 214. At this time, the frame-shaped rubber block 213 is deformed by compression, which can further improve the connection stability between the upper mold 101 and the lower mold 1, thereby effectively preventing cement from leaking from the gap between the upper mold 101 and the lower mold 1, and providing convenience for workers.
[0031] By rotating the rotating rod 302, the screw 303 is driven to rotate. Since the screw 303 is threadedly connected to the threaded tube 305, the rotation of the screw 303 causes the threaded tube 305 to move laterally. This movement of the threaded tube 305 causes the sliding plate 304 to slide inside the limiting box 301. At this time, the insert plate 306 is inserted into the slot 307, thus achieving a quick connection and fixation between the upper mold 101 and the end plate 102. This greatly improves the stability of the upper mold 101 after assembly and effectively prevents external forces from causing the upper mold 101 to shift, providing a safer working environment for the operator. The movement of the slide plate 304 drives the movement of the first connecting block 308. At this time, the second retracting rod 310 and the second retracting spring 311 retract or extend. When the insert plate 306 is inserted into the slot 307, the second retracting spring 311 extends and resets, thereby buffering the movement of the slide plate 304. The tension generated by the second retracting spring 311 also assists in the insertion of the insert plate 306 into the slot 307, improving the connection stability between the upper mold 101 and the end plate 102. The design of the rotating block 312 makes it easier for the operator to operate the rotating rod 302.
[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A mold for producing cement utility poles, comprising a lower mold (1), wherein an upper mold (101) is attached to the top of the lower mold (1), and end plates (102) are symmetrically fixedly installed at both ends of the lower mold (1); characterized in that Also includes: A connecting mechanism (2) is provided between the lower mold (1) and the upper mold (101), and a limit component (3) is provided between the end plate (102) and the upper mold (101); The connecting mechanism (2) includes first support plates (201) symmetrically fixedly installed on both sides of the upper mold (101), and second support plates (202) symmetrically fixedly installed on both sides of the lower mold (1). A fixing box (203) is fixedly connected to the bottom of each of the second support plates (202). A positioning rod (204) is welded to the bottom of each of the first support plates (201), and the bottom of the positioning rod (204) passes through the fixing box (203) and is slidably connected to it. A slidably connected object is also present inside one side of the fixing box (203). A pull rod (205) is provided, and a pull plate (206) is fixedly connected to one end of the pull rod (205). A positioning block (207) is welded to the side of the pull plate (206) away from the pull rod (205). A positioning groove (208) is provided on the bottom side of the positioning rod (204). The positioning block (207) is inserted into the positioning groove (208). A first retractable rod (209) is symmetrically fixedly connected between the inside of the fixed box (203) and the pull plate (206). A first retractable spring (210) is sleeved on the outside of the first retractable rod (209).
2. A mold for producing a cement pole according to claim 1, characterized in that: The end of the pull rod (205) away from the pull plate (206) is fixedly connected to a connecting plate (211), and a crossbar (212) is fixedly connected between the bottoms of the connecting plates (211).
3. The mold for producing a cement pole according to claim 1, wherein: The bottom of the upper mold (101) is fixedly connected with a frame-shaped rubber block (213), and the top of the lower mold (1) is provided with a frame-shaped groove (214), and the outside of the frame-shaped rubber block (213) is fitted and connected to the inside of the frame-shaped groove (214).
4. The mold for producing a concrete utility pole according to claim 1, wherein: The limiting component (3) includes a limiting box (301) fixedly installed inside the end plate (102), and a rotating rod (302) is rotatably connected inside one side of the limiting box (301), and a screw (303) is fixedly installed at one end of the rotating rod (302). A sliding plate (304) is slidably connected inside the limiting box (301), and a threaded tube (305) is fixedly connected to one side of the sliding plate (304). The outside of the screw (303) is threadedly connected to the inside of the threaded tube (305). Insert plates (306) are welded to the side of the sliding plate (304) away from the threaded tube (305). Slots (307) are symmetrically opened on both sides of the upper mold (101), and the insert plates (306) are inserted into the slots (307).
5. A mold for producing a concrete utility pole according to claim 4, characterized in that: A first connecting block (308) is symmetrically fixedly installed on one side of the sliding plate (304), and a second connecting block (309) is symmetrically fixedly installed on the inner side of the limiting box (301). A second retractable rod (310) is fixedly connected between the first connecting block (308) and the second connecting block (309), and a second retractable spring (311) is sleeved on the outside of the second retractable rod (310).
6. The mold for producing cement utility poles according to claim 4, characterized in that: A rotating block (312) is fixedly installed at the end of the rotating rod (302) away from the screw (303).
7. The mold for producing cement utility poles according to claim 1, characterized in that: The bottom of the positioning rod (204) passes through the second support plate (202) and is slidably connected to the second support plate (202).