CN211169776U - An electric screw type manhole cover lifting device - Google Patents

Abstract

The utility model discloses an electric screw well lid hoisting accessory, the on-line screen storage device comprises a base, one side of base is seted up flutedly, the top of base is located the corresponding both sides of recess and installs the jack, install the cassette on the flexible end in top of jack, the inside of cassette is fixed with the load reinforcing bar through first fastening knob, cup joint on the load reinforcing bar and be fixed with the lasso, and the second fastening knob that the lasso passes through the top fixes on the load reinforcing bar, the bottom welded fastening of lasso has the internal thread iron pipe. The utility model is simple in operation, labour saving and time saving alleviates staff's intensity of labour greatly, avoids simultaneously that the staff moves cable well lid in-process injured at the manpower, has improved work efficiency, has ensured staff's personal safety, simple structure moreover, and occupation space is little, and transportation, equipment and dismantlement are all very convenient and fast, reduce staff's working strength and safe risk.

Description

An electric screw type manhole cover lifting device

technical field

The utility model relates to the technical field of electric power maintenance equipment, in particular to an electric screw type manhole cover hoisting device.

Background technique

Cable wells are underground inspection wells that play the role of installation or maintenance during construction and after the completion of the project. The distance between cable wells should be set to 40 meters. Electric wells are divided into strong electricity and weak electricity. Strong electricity is lighting and power, and weak electricity is mainly low-voltage parts such as communication, monitoring, and data. The electric well is a space that runs through the building vertically. It is used for the vertical laying of strong and weak current cables. After reaching each floor, it is laid everywhere on the floor. According to fire regulations, each floor or compartment of the electric well is closed.

With the large-scale construction of cables, the distribution range of cable wells is wide and the number of cable well covers is standardized. The weight of each cable well cover plate is 100kg. It is difficult to handle by manpower, and it is easy to cause work damage. Some cable well covers cannot be used in their positions. Crane handling. Therefore, it is necessary to design an electric screw-type manhole cover lifting device.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an electric screw type manhole cover lifting device, which is simple to operate, saves time and labor, greatly reduces the labor intensity of the staff, and avoids the manual movement of the staff at the same time. The cable manhole cover is injured during the process, which improves the work efficiency and ensures the personal safety of the staff. Moreover, the structure is simple, the space is small, and the transportation, assembly and disassembly are very convenient and quick, and the work intensity and safety risks of the staff are reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions: an electric screw-type manhole cover lifting device, comprising a base, one side of the base is provided with a groove, and the top of the base is installed on the corresponding two sides of the groove. Jack, a card seat is installed on the top telescopic end of the jack, and a load-bearing steel bar is fixed inside the card seat through a first tightening knob, and a ferrule is sleeved and fixed on the load-bearing steel bar, and the ferrule passes through The second tightening knob on the top is fixed on the load-bearing steel bar, the bottom of the ferrule is welded and fixed with an internally threaded iron pipe, and the bottom of the internally threaded iron pipe is screwed and fixed with an externally threaded hook handle, and the externally threaded hook The bottom end of the handle is integrally formed with a hook head, and the jack is driven by an electric wrench.

Preferably, a pull cord is installed at the center of one side of the base away from the groove, and a pull ring is fixed at the top of the pull cord.

Preferably, universal self-locking wheels are installed at four corner positions of the bottom of the base.

Preferably, the bottom end of the hook head is welded and fixed with a nut-type round iron.

The beneficial effects of the present utility model are:

During construction, move the base to the top of the manhole cover so that the groove corresponds to the manhole cover, and install the jack on the base and on both sides of the manhole cover. Insert the hook heads under the two external thread hook handles into the manhole cover hole in the same direction. position, so that the load-bearing steel bars pass through the ferrule on the top of the inner threaded iron pipe and are fixed on the socket on the jack, and the jack is driven to work by controlling the electric wrench, thereby driving the load-bearing steel bars to rise, and then drives the manhole cover to rise through the hook head. The operation is simple, saves time and effort, greatly reduces the labor intensity of the staff, and at the same time prevents the staff from being injured in the process of manually moving the cable manhole cover, improves the work efficiency, and ensures the personal safety of the staff. Transportation, assembly and disassembly are very convenient and fast, reducing the work intensity and safety risks of the staff.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall plan structure schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the plane structure of the base of the present invention;

Figure 3 is a schematic diagram of the plane structure of the card seat of the present invention;

Labels in the figure: 1. Base; 2. Universal self-locking wheel; 3. Groove; 4. Hook head; 5. Nut-type round iron; 6. External thread hook handle; 7. Internal thread iron pipe; 8. Section 2. Fastening knob; 9. Bearing steel bar; 10. Ferrule; 11. The first fastening knob; 12. Card seat; 13. Jack; 14. Electric wrench; 15. Pulling rope; 16. Pulling ring.

Detailed ways

The specific embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings 1-3.

1-3, the utility model provides the following technical solutions: an electric screw type manhole cover lifting device, including a base 1, a groove 3 is opened on one side of the base 1, and the top of the base 1 is located in the corresponding groove 3. Jacks 13 are installed on both sides, a card seat 12 is installed on the top telescopic end of the jack 13, a load-bearing steel bar 9 is fixed inside the card seat 12 through a first tightening knob 11, and a ferrule is sleeved and fixed on the load-bearing steel bar 9. 10, and the ferrule 10 is fixed on the load-bearing steel bar 9 through the second tightening knob 8 on the top, and the set ferrule 10 is convenient to drive the hook head 4 to move on the load-bearing steel bar 9, so that it can adapt to the suspension of different diameters. The bottom of the ferrule 10 is welded and fixed with an internally threaded iron pipe 7, and the bottom of the internally threaded iron pipe 7 is screwed and fixed with an externally threaded hook handle 6. By rotating the externally threaded hook handle 6, the internally threaded iron pipe 7 is made The inside can be lifted and lowered, which is convenient for inserting manhole covers of different thicknesses. The bottom end of the external thread hook handle 6 is integrally formed with a hook head 4. The jack 13 is driven by an electric wrench 14. During construction, move the base 1 to the top of the manhole cover to make the groove 3. Corresponding to the manhole cover, install the jack 13 on the base 1 and on both sides of the manhole cover. Insert the hook heads 4 under the two external thread hook handles 6 into the hole of the manhole cover in the same direction, so that the load-bearing steel bars 9 pass through The ferrule 10 on the top of the inner threaded iron pipe 7 is fixed on the socket 12 on the jack 13, and the jack 13 is driven to work by operating the electric wrench 14, thereby driving the load-bearing steel bar 9 to rise, and then the manhole cover is raised through the hook head 4, The operation is simple, saves time and effort, greatly reduces the labor intensity of the staff, and at the same time prevents the staff from being injured in the process of manually moving the cable manhole cover, improves the work efficiency, and ensures the personal safety of the staff. Transportation, assembly and disassembly are very convenient and fast, reducing the work intensity and safety risks of the staff.

A pull cord 15 is installed at the center of one side of the base 1 away from the groove 3 , and a pull ring 16 is fixed at the top of the pull cord 15 .

Universal self-locking wheels 2 are installed at the four corners of the bottom of the base 1. By pulling the pull ring 16 to cooperate with the universal self-locking wheels 2, after the manhole cover is lifted, it can be easily moved to the placement area to remove it.

The bottom end of the hook head 4 is welded and fixed with a nut-type round iron 5, which can effectively ensure the stability of the suspension and fixing.

When the utility model is used, during construction, the base 1 is moved to the top of the manhole cover, so that the groove 3 is corresponding to the manhole cover, and the jack 13 is installed on the base 1 and located on both sides of the manhole cover. The hook head 4 under 6 is inserted into the hole of the manhole cover in the same direction, so that the load-bearing steel bar 9 passes through the ferrule 10 on the top of the inner threaded iron pipe 7 and is fixed on the socket 12 on the jack 13, and the jack is driven by controlling the electric wrench 14. 13 work, thereby driving the load-bearing steel bar 9 to rise, and then driving the manhole cover to rise through the hook head 4, the operation is simple, time-saving and labor-saving, greatly reducing the labor intensity of the staff, and at the same time preventing the staff from being injured in the process of manually moving the cable manhole cover, The work efficiency is improved, the personal safety of the staff is guaranteed, and the structure is simple, the occupied space is small, the transportation, assembly and disassembly are very convenient and fast, and the work intensity and safety risks of the staff are reduced.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (4)

1. An electric screw type manhole cover lifting device, comprising a base (1), characterized in that: a groove (3) is provided on one side of the base (1), and the top of the base (1) is located in the groove (1). 3) A jack (13) is installed on the corresponding two sides of the jack (13), a card seat (12) is installed on the top telescopic end of the jack (13), and the inside of the card seat (12) passes through the first fastening knob (11) A load-bearing steel bar (9) is fixed, a ferrule (10) is sleeved and fixed on the load-bearing steel bar (9), and the ferrule (10) is fixed on the load-bearing steel bar through a second fastening knob (8) on the top On (9), the bottom of the ferrule (10) is welded and fixed with an internally threaded iron pipe (7), and the bottom of the internally threaded iron pipe (7) is screwed and fixed with an externally threaded hook handle (6). The bottom end of the external thread hook handle (6) is integrally formed with a hook head (4), and the jack (13) is driven by an electric wrench (14). 2. An electric screw-type manhole cover lifting device according to claim 1, characterized in that: a pull rope (15) is installed at the center of one side of the base (1) away from the groove (3), and the A pull ring (16) is fixed on the top end of the pull rope (15). 3. An electric screw-type manhole cover lifting device according to claim 1, characterized in that: universal self-locking wheels (2) are installed at four corner positions of the bottom of the base (1). 4. An electric screw-type manhole cover lifting device according to claim 1, characterized in that: the bottom end of the hook head (4) is welded and fixed with a nut-type round iron (5).

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