Microcomputer-controlled well lid pressure testing machine device
By combining a motor-driven bidirectional reciprocating screw and a fixing device, along with a hydraulic system and a buffer structure, the problem of manhole cover displacement in the pressure testing machine is solved, improving test accuracy and data reliability, and ensuring the stability of the manhole cover and the service life of the device.
Patent Information
- Application Number
- CN202520642706.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Existing microcomputer-controlled manhole cover pressure testing equipment is difficult to effectively prevent the manhole cover from shifting position during the testing process, resulting in inaccurate test results and poor data reliability.
The system employs a motor-driven bidirectional reciprocating screw and components such as threaded blocks, rotating rods, and limit rods in the fixing device to achieve precise positioning of the manhole cover. A hydraulic system and buffer structure ensure the stability of the manhole cover during the inspection process and automatic unloading.
This method achieves stable fixation of the manhole cover, avoids positional displacement, improves the accuracy and reliability of test results, reduces damage to the manhole cover, and extends the service life of the device.
Smart Images

Figure CN223955290U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure testing machine technical field, specifically, relate to a kind of microcomputer control well lid pressure testing machine device. BACKGROUND
[0002] The purpose of pressure test is to test the strength and tightness of pressure vessel pressure parts. During the test, by observing whether the pressure part has obvious deformation or rupture, it is verified whether the pressure vessel has the necessary pressure-bearing capacity for safe operation under design pressure. At the same time, by observing whether there is leakage at the connection such as weld and flange, the tightness of the pressure vessel is tested.
[0003] According to the microcomputer control well lid pressure testing machine (authorized announcement number: CN211401286U) disclosed, a recess is formed in the center of the top wall of the base, installation grooves are symmetrically formed in the side walls below the recess, first limiting blocks are symmetrically connected in the installation grooves, second limiting blocks are symmetrically fixed to the inner bottom wall of the recess, a support is fixed to the outer side wall of the base, but in the above-mentioned device, the recess, the base and the installation groove and other components cooperate with each other, it is difficult to fix the well lid body, it is difficult to prevent the position of the well lid body from shifting during detection, it reduces the accuracy of the test results, it is difficult to avoid the generation of errors, it is difficult to ensure the reliability of the test data, and it needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of microcomputer control well lid pressure testing machine device.
[0005] The technical scheme of the utility model is as follows: a kind of microcomputer control well lid pressure testing machine device, including protective shell, the bottom of the protective shell is fixedly connected with support frame, the side of the protective shell is provided with touch panel;
[0006] The bottom of the protective shell is provided with a fixing device, the fixing device includes a fixed plate, the fixed plate is fixedly connected to the top of the support frame, the side of the fixed plate is fixedly connected with motor, the output shaft of the motor is fixedly connected with bidirectional reciprocating screw rod, the circumferential surface of the bidirectional reciprocating screw rod is threadedly connected with screw block, the side of the screw block is rotatably connected with rotating rod, the side of the rotating rod is rotatably connected with fixed block, and the bottom of the fixed block is fixedly connected with positioning plate.
[0007] The fixing device comprises a blanking structure, the blanking structure comprises a hydraulic cylinder, the hydraulic cylinder is fixedly connected at the top of the support frame, one end of the hydraulic cylinder is slidably connected with a force receiving rod through a piston, the other end of the hydraulic cylinder is connected with a hydraulic rod through a piston, one end of the hydraulic rod is fixedly connected with a positioning block, the top of the positioning block is fixedly connected with a mounting block, the side surface of the mounting block is fixedly connected with a rack, the side surface of the support frame penetrates a rotating rod, the circumferential surface of the rotating rod is fixedly connected with a blanking plate, and the circumferential surface of the rotating rod is fixedly connected with a gear.
[0008] The force receiving rod is located on the movement track of the positioning plate, the side surface of the threaded block penetrates a limiting rod, and one end of the limiting rod is fixedly connected with the side surface of the fixed plate; the limiting rod can limit the threaded block, and the stability of the device is improved.
[0009] The side surface of the gear is meshed with the side surface of the rack, the circumferential surface of the force receiving rod is fixedly connected with a spring, one end of the spring away from the force receiving rod is fixedly connected with the side surface of the hydraulic cylinder, and the spring can automatically reset the force receiving rod, and manual intervention is reduced.
[0010] The inside of the protective shell is provided with a hydraulic system, the bottom of the hydraulic system is fixedly connected with a pressure test plate, and the top of the support frame is provided with the well lid body; the hydraulic system enables the pressure test plate to displace more stably, and the quality of the well lid body is improved.
[0011] The number of the rotating rods is set to be several, two by two, and the rotating rods are mutually symmetrical along the vertical central axis of the bidirectional reciprocating screw rod, the number of the threaded blocks is set to be several, two by two, and the threaded blocks are mutually symmetrical along the vertical central axis of the bidirectional reciprocating screw rod, the bidirectional reciprocating screw rod is driven by the motor to accurately control the opposite displacement of the threaded blocks, the position of the well lid is prevented from deviating in the test process, and the accuracy of the test result is improved.
[0012] The fixing device comprises a buffering structure, the buffering structure comprises a rotating shaft, the rotating shaft is rotatably connected to the side surface of the support frame, and the circumferential surface of the rotating shaft is fixedly connected with a buffering plate; the buffering structure can reduce the impact force suffered by the well lid body during blanking, prevent the well lid body from being damaged, and improve product quality.
[0013] The initial state of the spring is a relaxed state, the circumferential surface of the rotating shaft is fixedly connected with a torsional spring, one end of the torsional spring away from the rotating shaft is fixedly connected with the side surface of the support frame, and the initial state of the torsional spring is a relaxed state; the elastic potential energy of the torsional spring plays a buffering role, can effectively reduce the impact force of the well lid, avoids damage of the well lid during blanking, and ensures the long service life of the well lid body and the device.
[0014] The working principle and beneficial effects of the utility model are as follows:
[0015] 1. The utility model discloses a fixed block is driven to displace downwards through the rotation of the rotating rod, and then the fixed block displacement drives the positioning plate to displace, through the displacement of the positioning plate, the well lid body is fixed, the effect of fixing the well lid body is achieved, the position of the well lid body is prevented from deviating during the detection process, the accuracy of the test result is improved, the position deviation of the well lid during the pressure test process due to external force is effectively prevented, thereby the generation of error is avoided, and the reliability of the test data is ensured.
[0016] 2. The utility model discloses a fixed block is driven to displace upwards through the rotation of the rotating rod, and then the rotating rod rotation drives the blanking plate to rotate, the blanking plate is inclined, the well lid body on the top of the blanking plate falls automatically, the effect of automatic blanking is achieved, when the well lid body falls on the buffer plate, the elastic potential energy of the torsion spring is used to buffer, the blanking plate can be accurately inclined and guide the automatic blanking of the well lid body, and the inclination and jamming of the well lid are avoided.
[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be explained further in detail below in combination with the drawings and specific embodiment.
[0019] Figure 1 It is three -dimensional appearance structure schematic diagram of the utility model;
[0020] Figure 2 It is three -dimensional half -section structure schematic diagram of the hydraulic system of the utility model;
[0021] Figure 3 It is three -dimensional side view structure schematic diagram of the buffer plate of the utility model;
[0022] Figure 4 It is three -dimensional side view structure schematic diagram of the blanking plate of the utility model;
[0023] Figure 5 It is three -dimensional appearance structure schematic diagram of the utility model Figure 4 A in the utility model;
[0024] Figure 6 It is three -dimensional appearance structure schematic diagram of the utility model Figure 5 B in the utility model.
[0025] In the diagram: 101, Protective shell; 102, Support frame; 103, Touch panel; 104, Hydraulic system; 105, Pressure test plate; 106, Manhole cover body; 2, Fixing device; 201, Fixing plate; 202, Motor; 203, Bidirectional reciprocating screw; 204, Threaded block; 205, Rotating rod; 206, Fixing block; 207, Positioning plate; 208, Limiting rod; 209, Hydraulic cylinder; 210, Force-bearing rod; 211, Spring; 212, Hydraulic rod; 213, Positioning block; 214, Mounting block; 215, Rack; 216, Rotating rod; 217, Gear; 218, Rotating shaft; 219, Torsion spring; 220, Buffer plate; 221, Material discharge plate. Detailed Implementation
[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.
[0027] Example 1
[0028] like Figures 1-6 As shown, this embodiment proposes a microcomputer-controlled manhole cover pressure testing machine device, including a protective shell 101, a support frame 102 fixedly connected to the bottom of the protective shell 101, and a touch panel 103 provided on the side of the protective shell 101.
[0029] The bottom of the protective shell 101 is provided with a fixing device 2, which includes a fixing plate 201. The fixing plate 201 is fixedly connected to the top of the support frame 102. A motor 202 is fixedly connected to the side of the fixing plate 201. A bidirectional reciprocating lead screw 203 is fixedly connected to the output shaft of the motor 202. A threaded block 204 is threadedly connected to the circumferential surface of the bidirectional reciprocating lead screw 203. A rotating rod 205 is rotatably connected to the side of the threaded block 204. A fixing block 206 is rotatably connected to the side of the rotating rod 205. A positioning plate 207 is fixedly connected to the bottom of the fixing block 206.
[0030] In this embodiment, the application uses a motor 202 to drive a bidirectional reciprocating screw 203 to rotate. The rotation of the bidirectional reciprocating screw 203 causes two threaded blocks 204 to move towards each other. The threaded blocks 204 are limited by a limiting rod 208 on the side of the threaded blocks 204. The displacement of the threaded blocks 204 causes the rotating rod 205 to rotate. The rotation of the rotating rod 205 causes the fixing block 206 to move downward. The displacement of the fixing block 206 causes the positioning plate 207 to move. The displacement of the positioning plate 207 fixes the manhole cover body 106, thus fixing the manhole cover body 106 and preventing the position of the manhole cover body 106 from shifting during the inspection process.
[0031] Example 2
[0032] like Figures 1-6 As shown, based on the same concept as Embodiment 1 above, this embodiment also proposes a second embodiment. The fixing device 2 includes a feeding structure, which includes a hydraulic cylinder 209. The hydraulic cylinder 209 is fixedly connected to the top of the support frame 102. One end of the hydraulic cylinder 209 is slidably connected to a force rod 210 via a piston. The other end of the hydraulic cylinder 209 is connected to a hydraulic rod 212 via a piston. One end of the hydraulic rod 212 is fixedly connected to a positioning block 213. The top of the positioning block 213 is fixedly connected to an mounting block 214. A rack 215 is fixedly connected to the side of the mounting block 214. A rotating rod 216 passes through the side of the support frame 102. A feeding plate 221 is fixedly connected to the circumferential surface of the rotating rod 216. A gear 217 is fixedly connected to the circumferential surface of the rotating rod 216.
[0033] The force-bearing rod 210 is located on the movement trajectory of the positioning plate 207. The side of the threaded block 204 passes through the limiting rod 208. One end of the limiting rod 208 is fixedly connected to the side of the fixing plate 201. The design of the limiting rod 208 can limit the threaded block 204, increasing the stability of the device.
[0034] The side of gear 217 meshes with the side of rack 215. A spring 211 is fixedly connected to the circumferential surface of force rod 210. The end of spring 211 away from force rod 210 is fixedly connected to the side of hydraulic cylinder 209. The design of spring 211 can make force rod 210 automatically reset, reducing manual intervention.
[0035] The protective shell 101 is equipped with a hydraulic system 104. A pressure test plate 105 is fixedly connected to the bottom of the hydraulic system 104. The manhole cover body 106 is provided on the top of the support frame 102. The hydraulic system 104 enables the pressure test plate 105 to move more stably, thereby improving the quality of the manhole cover body 106.
[0036] The rotating rods 205 are arranged in several groups, and are symmetrically arranged along the vertical central axis of the bidirectional reciprocating screw rod 203; the threaded blocks 204 are arranged in several groups, and are symmetrically arranged along the vertical central axis of the bidirectional reciprocating screw rod 203; the bidirectional reciprocating screw rod 203 is driven by the motor 202 to accurately control the opposite displacement of the threaded blocks 204, so that the deviation of the manhole cover position in the test process is avoided, and the accuracy of the test result is improved.
[0037] The fixing device 2 comprises a buffer structure, the buffer structure comprises a rotating shaft 218, the rotating shaft 218 is rotationally connected to the side surface of the support frame 102, and the circumferential surface of the rotating shaft 218 is fixedly connected with a buffer plate 220; the buffer structure is designed to reduce the impact force suffered by the manhole cover body 106 during unloading, prevent the manhole cover body 106 from being damaged, and improve the product quality.
[0038] The initial state of the spring 211 is a relaxed state, the circumferential surface of the rotating shaft 218 is fixedly connected with a torsional spring 219, one end of the torsional spring 219, which is away from the rotating shaft 218, is fixedly connected to the side surface of the support frame 102, and the initial state of the torsional spring 219 is a relaxed state; the elastic potential energy of the torsional spring 219 plays a buffering role, can effectively reduce the impact force of the manhole cover, avoid damage of the manhole cover during unloading, and ensure the long service life of the manhole cover body 106 and the device.
[0039] In the embodiment, after the detection is completed, the motor 202 is reversely driven, the positioning plate 207 is upwardly displaced, the manhole cover body 106 loses the downward pressure of the positioning plate 207, the stress rod 210 is inwardly displaced by being extruded by the upward displacement of the positioning plate 207, the piston in the hydraulic cylinder 209 is extruded by the inward displacement of the stress rod 210, the liquid in the hydraulic cylinder 209 is pushed by the piston, another piston is displaced by the liquid, the hydraulic rod 212 is displaced by the piston, the positioning block 213 is displaced by the displacement of the hydraulic rod 212, the mounting block 214 is displaced by the displacement of the positioning block 213, the rack 215 is displaced by the displacement of the mounting block 214, the gear 217 is rotated by the displacement of the rack 215, the rotating rod 216 is rotated by the rotation of the gear 217, the unloading plate 221 is rotated by the rotation of the rotating rod 216, the unloading plate 221 is inclined, the manhole cover body 106 on the top of the unloading plate 221 automatically falls, and the automatic unloading is realized; when the manhole cover body 106 falls on the buffer plate 220, the elastic potential energy of the torsional spring 219 is used for buffering.
[0040] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A microcomputer controlled manhole cover pressure testing machine apparatus, characterized by, Including the protective shell (101), the bottom of the protective shell (101) is fixedly connected with the support frame (102), and the side of the protective shell (101) is provided with the touch panel (103); The bottom of the protective shell (101) is provided with a fixing device (2), the fixing device (2) comprises a fixed plate (201), the fixed plate (201) is fixedly connected to the top of the support frame (102), the side of the fixed plate (201) is fixedly connected with a motor (202), the output shaft of the motor (202) is fixedly connected with a bidirectional reciprocating screw rod (203), the circumferential surface of the bidirectional reciprocating screw rod (203) is threadedly connected with a threaded block (204), the side of the threaded block (204) is rotatably connected with a rotating rod (205), the side of the rotating rod (205) is rotatably connected with a fixed block (206), and the bottom of the fixed block (206) is fixedly connected with a positioning plate (207).
2. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 1, wherein, The fixing device (2) comprises a blanking structure, the blanking structure comprises a hydraulic cylinder (209), the hydraulic cylinder (209) is fixedly connected to the top of the support frame (102), one end of the hydraulic cylinder (209) is slidably connected with a force rod (210) through a piston, the other end of the hydraulic cylinder (209) is connected with a hydraulic rod (212) through a piston, one end of the hydraulic rod (212) is fixedly connected with a positioning block (213), the top of the positioning block (213) is fixedly connected with a mounting block (214), the side of the mounting block (214) is fixedly connected with a rack (215), the side of the support frame (102) penetrates a rotating rod (216), the circumferential surface of the rotating rod (216) is fixedly connected with a blanking plate (221), and the circumferential surface of the rotating rod (216) is fixedly connected with a gear (217).
3. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 2, wherein, The force rod (210) is located on the movement track of the positioning plate (207), the side of the threaded block (204) penetrates a limiting rod (208), and one end of the limiting rod (208) is fixedly connected with the side of the fixed plate (201).
4. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 3, wherein, The side of the gear (217) is engaged with the side of the rack (215), the circumferential surface of the force rod (210) is fixedly connected with a spring (211), and one end of the spring (211) away from the force rod (210) is fixedly connected with the side of the hydraulic cylinder (209).
5. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 4, wherein, The inside of the protective shell (101) is provided with a hydraulic system (104), the bottom of the hydraulic system (104) is fixedly connected with a pressure test plate (105), and the top of the support frame (102) is provided with a well lid body (106).
6. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 5, wherein, The number of the rotating rods (205) is set to several, two by two, and they are mutually symmetrical along the vertical central axis of the bidirectional reciprocating screw rod (203), and the number of the threaded blocks (204) is set to several, two by two, and they are mutually symmetrical along the vertical central axis of the bidirectional reciprocating screw rod (203).
7. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 6, wherein, The fixing device (2) comprises a buffering structure, the buffering structure comprises a rotating shaft (218), the rotating shaft (218) is rotatably connected to the side of the support frame (102), and the circumferential surface of the rotating shaft (218) is fixedly connected with a buffering plate (220).
8. The microcomputer controlled manhole cover pressure testing machine apparatus according to claim 7, wherein, The initial state of the spring (211) is a relaxed state, the circumferential surface of the rotating shaft (218) is fixedly connected with a torsional spring (219), one end of the torsional spring (219) away from the rotating shaft (218) is fixedly connected to the side of the support frame (102), and the initial state of the torsional spring (219) is a relaxed state.
Citation Information
Patent Citations
Microcomputer-controlled well lid pressure testing machine
CN211401286U