Portable hydraulic well lid opener
By designing a portable hydraulic manhole cover opener, which incorporates a support frame, tie rod, hydraulic jack, and mountain wheels, the problem of inconvenient movement and complex operation of existing manhole cover openers has been solved. This enables convenient and efficient opening of manhole covers, while improving operational safety and stability.
Patent Information
- Application Number
- CN202422988763.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing manhole cover openers are large and heavy, inconvenient to move and store, complicated to operate, and lack a user-friendly interface, leading to improper operation.
A portable hydraulic manhole cover opener was designed, including a bracket with outriggers connected to the bottom. One end of the bracket is connected to a pull rod, and the other end is rotatably connected to a three-star wheel. A hydraulic device is connected to the bracket, including a hydraulic jack and a manual pump, which are connected through hydraulic pipes. The hydraulic jack is slidably connected to the bracket. The bracket has multiple through slots, and the bottom of the hydraulic jack is threaded with a positioning nut. The jack rod passes through the through slots and has a locking groove with an anti-wear layer inside. The pull rod can be adjusted in length and fixed in the optimal position. The three-star wheel is a mountain bike wheel. The bottom of the outriggers has a positioning plate and ribs, and the anti-slip texture provides friction.
It enables portable manhole cover opening, reduces manual operation, improves opening speed and stability, enhances operational safety, adapts to different ground environments, and reduces maintenance costs.
Smart Images

Figure CN223737660U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of urban construction well lid, specifically to a portable hydraulic well lid opener. BACKGROUND
[0002] With the advancement of urbanization, the number and maintenance demand of well lids increase substantially, and the well lid opener, as a device specially used for urban infrastructure maintenance, can efficiently and safely open and close the well lid, meeting the growing demand for urban infrastructure maintenance. However, the existing well lid opener has poor adaptability, and different specifications and types of well lids require different openers, which may not be compatible with all types and specifications of well lids, limiting its versatility.
[0003] The current well lid opener structure is generally as disclosed in the patent application number "CN202222872726.7", which includes a device mounting table, a battery box, a hydraulic system device, and a control switch. The device mounting table includes a mounting plate. The hydraulic system device includes a hydraulic cylinder, an oil tank, a hydraulic pump, and a hydraulic motor. The hydraulic pump is tightly connected with the hydraulic motor. The oil tank, hydraulic motor, control switch, and battery box are tightly installed on the top of the mounting plate. The hydraulic cylinder is tightly installed on the bottom of the mounting plate, and the bottom of the hydraulic cylinder is installed with an electromagnet. The oil tank is provided with an electromagnetic reversing valve at the liquid outlet end. The oil tank is communicated with the hydraulic pump and the hydraulic cylinder through the electromagnetic reversing valve. The electromagnet and the electromagnetic reversing valve are connected with the control switch.
[0004] However, the device of the utility model has a large volume and is heavy, which is not convenient for moving and storing, and affects its use effect in some limited space environments. Moreover, the operation is usually complex, requiring the operator to have certain technical level, and lacking a simple operation interface, which may lead to improper operation due to training.
[0005] Therefore, the utility model provides a portable hydraulic well lid opener to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims to provide a portable hydraulic well lid opener to solve the problem of inconvenient movement and storage in the prior art, and the operation is usually complex, which may lead to improper operation.
[0007] The technical solution adopted by the utility model to solve the technical problem is:
[0008] The utility model provides a portable hydraulic well lid opener, including support, the bottom of support is connected with support leg, one end of support is connected with pull rod, the other end of support is rotatably connected with three star wheels, be connected with hydraulic device on support, hydraulic device includes hydraulic jack and manual pump, hydraulic jack is connected with manual pump through hydraulic pipe, hydraulic jack is connected with support slip, a plurality of through grooves are set up in support corresponding hydraulic jack, the bottom of hydraulic jack penetrates through through groove, the bottom of hydraulic jack is connected with the fixed nut of screw thread, the top rod of hydraulic jack penetrates through through groove, the bottom of top rod is seted up with the clamping groove.
[0009] By adopting the above technical scheme, the manual operation is reduced, and the well lid opening action can be completed by one person, the opening speed and stability are improved, and the operation safety is also improved.
[0010] Further, the clamping groove is internally provided with an anti-abrasion layer.
[0011] By adopting the above technical scheme, the anti-abrasion layer can be used to contact the well lid to prevent damaging the surface of the well lid.
[0012] Further, the pull rod is rotatably connected with the support, and the support is provided with a clamping assembly for fixing the pull rod.
[0013] By adopting the above technical scheme, the position of the pull rod can be fixed.
[0014] Further, the pull rod comprises an outer rod and an inner rod, the inner rod is rotatably connected with the support, the outer rod is clamped and connected with the clamping assembly, and the inner rod is slidably connected inside the outer rod.
[0015] By adopting the above technical scheme, the length of the pull rod can be adjusted as needed, and after determining the length of the pull rod, the pull rod can be positioned at the best position by rotating the pull rod around the rotary connection point of the support according to the work demand.
[0016] Further, the three star wheels comprise a wheel plate and a wheel body, and the wheel body is a mountain wheel.
[0017] By adopting the above technical scheme, the mountain wheel can be used to maintain stable movement on uneven ground.
[0018] Further, the bottom of the support leg is connected with a positioning plate, a rib plate is connected between the positioning plate and the support leg, and anti-skid lines are formed on the bottom of the positioning plate.
[0019] By adopting the above technical scheme, the positioning plate and the rib plate can ensure that the opener is stably placed on the ground, and the anti-skid lines provide additional friction to prevent the opener from sliding during use.
[0020] Further, the support is composed of 10# channel steel welding.
[0021] By adopting the technical scheme, great pressure and complex environmental conditions can be borne, the service life of the equipment is improved, and the maintenance cost is reduced.
[0022] Compared with the prior art, the utility model has the advantages that:
[0023] The utility model discloses to the manhole cover of difficult opening of road surface can pass through manual pump, provide pressure to hydraulic jack through hydraulic pipe, and the top rod of hydraulic jack starts to rise under the pressure effect, and the pull rod will slowly pull up the manhole cover, reduces manual operation, and three stars can utilize the characteristic of mountainous wheel, and keep stable movement on uneven ground, and only one person can complete the manhole cover opening action. The speed and stability of opening are improved, and the operation safety is also improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the vertical view of the utility model Figure 1 ;
[0025] Figure 2 It is the vertical view of the utility model Figure 2 ;
[0026] Figure 3 It is the front view of the utility model;
[0027] Figure 4 It is the top view of the utility model;
[0028] Figure 5 It is the bottom view of the utility model;
[0029] Fig. 1, support;2, support leg;3, positioning plate;4, rib plate;5, anti-skid line;6, hydraulic device;7, hydraulic jack;8, manual pump;9, hydraulic pipe connection;10, through slot;11, positioning nut;12, top rod;13, clamping groove;14, wear-resistant layer;15, pull rod;16, outer rod;17, inner rod;18, clamping assembly;19, three stars wheel;20, wheel plate;21, wheel body. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0031] In the present application, the terms "upper", "inner", "outer", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.
[0032] As shown in Figure 1 and Figure 2 , a portable hydraulic well cover opener includes a support 1 composed of 10# channel steel welded together. The bottom of the support 1 is connected with a support leg 2, the bottom of the support leg 2 is connected with a positioning plate 3, the positioning plate 3 and the support leg 2 are connected with a rib plate 4, and the bottom of the positioning plate 3 is provided with anti-skid lines 5. Further, the positioning plate 3 and the rib plate 4 ensure that the opener is stably placed on the ground, and the anti-skid lines 5 provide additional friction to prevent the opener from sliding during use.
[0033] As shown in Figure 2 and Figure 3 , one end of the support 1 is connected with a pull rod 15, the pull rod 15 is rotatably connected with the support 1, the support 1 is provided with a clamping assembly 18 for fixing the pull rod 15, the pull rod 15 includes an outer rod 16 and an inner rod 17, the inner rod 17 is rotatably connected with the support 1, the outer rod 16 is clamped and connected with the clamping assembly 18, and the inner rod 17 is slidingly connected inside the outer rod 16. When the length of the pull rod 15 needs to be adjusted to adapt to the height of different well covers, first loosen the clamping assembly 18, hold the outer rod 16 and pull it outward, so that the inner rod 17 slides inside the outer rod 16 until the desired length is reached. After determining the length of the pull rod 15, it can be positioned at the best position by rotating the pull rod 15 around the rotating connection point of the support 1 according to the working requirements. The other end of the support 1 is rotatably connected with a three-star wheel 19; the three-star wheel 19 includes a wheel plate 20 and a wheel body 21, and the wheel body 21 is a mountain wheel. Its mountain wheel characteristics can be used to maintain stable movement on uneven ground.
[0034] As shown in Figure 4 and Figure 5As shown, the support 1 is connected with a hydraulic device 6, the hydraulic device 6 includes a hydraulic jack 7 and a manual pump 8, the hydraulic jack 7 is connected with the manual pump 8 through a hydraulic pipe connection 9, the hydraulic jack 7 is slidingly connected with the support 1, the support 1 is provided with a plurality of through grooves 10 corresponding to the hydraulic jack 7, the bottom of the hydraulic jack 7 penetrates the through grooves 10, the bottom of the hydraulic jack 7 is threadedly connected with a positioning nut 11, the top rod 12 of the hydraulic jack 7 penetrates the through grooves 10, the bottom of the top rod 12 is provided with a clamping groove 13, and the clamping groove 13 is internally provided with an anti-abrasion layer 14. The anti-abrasion layer 14 can be used to contact the well lid and prevent damage to the surface of the well lid. Then the manual pump 8 is slidably detached to the ground, and then the hydraulic jack 7 is positioned by the positioning nut 11, the clamping groove 13 tightly clamps the well lid drain hole, and then the manual pump 8 is started, pressure is provided to the hydraulic jack 7 through the hydraulic pipe, the top rod 12 of the hydraulic jack 7 starts to rise under the action of the pressure, and the pull rod 15 slowly lifts the well lid. After the well lid is lifted, the height of the hydraulic jack 7 can be further adjusted according to needs, so that the well lid remains open.
[0035] The working process of the utility model is:
[0036] Firstly, the support 1 is moved to the vicinity of the well lid to be opened through the three star wheels 19 and the pull rod 15, the length and angle of the pull rod 15 can be adjusted according to the practical needs of manual operation, then the manual pump 8 is slidably detached to the ground, then the hydraulic jack 7 is positioned by the positioning nut 11, the clamping groove 13 tightly clamps the well lid drain hole, then the manual pump 8 is started, pressure is provided to the hydraulic jack 7 through the hydraulic pipe, the top rod 12 of the hydraulic jack 7 starts to rise under the action of the pressure, and the pull rod 15 slowly lifts the well lid. After the well lid is lifted, the height of the hydraulic jack 7 can be further adjusted according to needs, so that the well lid remains open.
Claims
1. A portable hydraulic manhole opener comprising a support (1), characterized in that, The bottom of the support (1) is connected with a supporting leg (2), one end of the support (1) is connected with a pull rod (15), and the other end of the support (1) is rotatably connected with a three-star wheel (19). The support (1) is connected with a hydraulic device (6), the hydraulic device (6) comprises a hydraulic jack (7) and a manual pump (8), the hydraulic jack (7) and the manual pump (8) are connected through a hydraulic pipe (9), the hydraulic jack (7) is slidably connected with the support (1), a plurality of through grooves (10) are formed in the support (1) corresponding to the hydraulic jack (7), the bottom of the hydraulic jack (7) penetrates the through grooves (10), a positioning nut (11) is threadedly connected to the bottom of the hydraulic jack (7), and a top rod (12) of the hydraulic jack (7) penetrates the through grooves (10) and is provided with a clamping groove (13) at the bottom.
2. A portable hydraulic cover un-clogger for a manhole cover as defined in claim 1, characterized in that An anti-abrasion layer (14) is arranged in the clamping groove (13).
3. The portable hydraulic manhole opener of claim 1 wherein, The pull rod (15) is rotatably connected with the support (1), and the support (1) is provided with a clamping assembly (18) for fixing the pull rod (15).
4. A portable hydraulic cover creeper as claimed in claim 3, wherein, The pull rod (15) comprises an outer rod (16) and an inner rod (17), the inner rod (17) is rotatably connected with the support (1), the outer rod (16) is clamped and connected with the clamping assembly (18), and the inner rod (17) is slidably connected in the outer rod (16).
5. The portable hydraulic manhole opener of claim 1 wherein, The three-star wheel (19) comprises a wheel plate (20) and a wheel body (21), and the wheel body (21) is a mountain wheel.
6. The portable hydraulic manhole opener of claim 1 wherein, The bottom of the supporting leg (2) is connected with a positioning plate (3), a rib plate (4) is connected between the positioning plate (3) and the supporting leg (2), and anti-skid lines (5) are formed in the bottom of the positioning plate (3).
7. The portable hydraulic manhole opener of claim 1 wherein, The support (1) is composed of 10# channel steel.
Citation Information
Patent Citations
Well lid opening device
CN218909794U