CN111453664B

CN111453664B - Labor-saving well lid gripping tool and operation method

Info

Publication number: CN111453664B
Application number: CN202010381994.1A
Authority: CN
Inventors: 汪佳
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-09-07
Anticipated expiration: 2040-05-08
Also published as: CN111453664A

Abstract

The invention discloses a labor-saving well lid grabbing tool and an operation method, and belongs to the technical field of rain and sewage pipe network construction tools. Be equipped with the body frame body, the fixed sleeving, drive arrangement, the movable rod, the clamping jaw, drive arrangement includes two-way screw rod, the internal thread, the handle, corotation handle, the reversal handle, corotation wire reel and reversal wire reel, utilize corotation handle to pass through the two-way screw rod corotation of connecting rope drive, make the movable rod move to the middle part in the fixed sleeving afterwards through the screw transmission of internal thread and two-way screw rod, and then realize that the clamping jaw presss from both sides tight well lid, internal thread and two-way screw rod are because self-locking characteristic is in current position department, can realize the upset of its two-way screw rod and then will drive the movable rod and remove to the fixed sleeving both sides through the operation reversal handle when needs transfer well lid, realize that the clamping jaw loosens the well lid, this operation process is simple and easy and laborsaving, increase the security, accelerate the efficiency of construction.

Description

Labor-saving well lid gripping tool and operation method

Technical Field

The invention belongs to the technical field of rain and sewage pipe network construction tools, and particularly relates to a labor-saving well cover gripping tool and an operation method.

Background

In municipal construction or district water supply and drainage construction now, some water supply and drainage pipe need set up like the part of inspection shaft, and the inspection shaft top needs the installation well lid device, is examining and repairing the in-process, and the operative employee needs open the well lid. The traditional method is to lift the well lid manually by using a crowbar and manpower, and the traditional construction method has the following problems: a. the construction of the crowbar is not easy to operate; b. workers are easily injured due to manual lifting; c. the operation by a single person is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a labor-saving well lid grabbing tool and an operation method, which aim to improve the operability of construction, increase the safety, accelerate the efficiency and save time and labor.

In order to achieve the purpose, the invention adopts the following scheme:

the utility model provides a laborsaving snatching tool of well lid, includes the body frame body, the front end fixedly connected with fixed sleeve pipe of the body frame body, fixed cover intraductal activity is provided with two movable rods, the one end of movable rod extends to the fixed sheathed tube outside, and two are located the fixed sleeve outside the homogeneous body connection of movable rod has the clamping jaw, fixed cover intraductal fixed mounting has drive arrangement to be used for driving two movable rods and remove simultaneously in fixed cover. Utilize drive arrangement will move the moving rod and move outward or move inward in fixed sleeve, and then accomplish the work of snatching its well lid, easy operation and laborsaving.

Further, drive arrangement includes two-way screw rod, internal thread, handle, corotation handle and reversal handle, two-way screw rod rotates to be connected in fixed cover, fixedly connected with corotation wire reel, reversal wire reel on the two-way screw rod, the internal thread is seted up in the relative one side of movable rod and is connected with two-way screw rod accordant, handle fixed connection is at the tail end of the body frame body, corotation handle and reversal handle fixed connection are respectively at the both ends of handle, corotation handle and reversal handle are connected with corotation wire reel and reversal wire reel through connecting the rope respectively. Utilize corotation operating handle to pass through the corotation that the connecting wire drove two-way screw rod to make two movable rods to the inboard removal of fixed sleeving and then snatch the well lid to combine two-way screw rod and internal thread to realize auto-lock to the current position under two-way screw rod does not have exogenic action, utilize the reversal operating handle to pass through the reversal that the connecting wire drove two-way screw rod to make two movable rods to the removal of fixed sleeving both sides and then release the well lid, and combine two-way screw rod and internal thread to realize auto-lock to the current position under two-way screw rod does not have exogenic action, easy operation and laborsaving.

Further, the clamping jaw includes fixed part, movable part and pressure-bearing portion, fixed part fixed connection is on the movable rod, the spout has been seted up to the relative one side of body frame body of fixed part, install reset spring in the spout, the one end of movable part is rotated and is connected on the fixed part, the other end and pressure-bearing portion rotate and be connected, the one end activity that movable part was kept away from to the pressure-bearing portion sets up in the spout and with reset spring connection, the pressure-bearing portion is the horizontality when removing to the spout bottom and is not taking place any removal.

Furthermore, two of the movable rods positioned on the outer side of the fixed sleeve are movably provided with limiting parts.

Furthermore, the locking device also comprises a locking bolt, a plurality of threaded holes matched with the locking bolt are formed in the fixed sleeve at equal intervals, and a guide piece is arranged on the movable rod and positioned on the inner side of the fixed sleeve.

Furthermore, the main frame body is fixedly provided with walking wheels.

An operation method of a labor-saving well lid grabbing tool comprises the following steps:

s1, moving the limiting piece to the innermost position of the well lid grabbing hole on the movable rod according to the size and specification of the well lid, and connecting the locking bolt to the threaded hole corresponding to the outermost position of the well lid grabbing hole;

s2, the main frame body is pushed to move to a position above the well lid of the fixing sleeve, the forward rotation operating handle is operated to drive the forward rotation wire spool to rotate through the connecting line so as to drive the bidirectional screw to rotate forward, the two movable rods are driven to move towards the middle of the fixing sleeve, the well lid is clamped by the clamping jaws, and then self-locking is achieved through the bidirectional screw and the internal threads on the movable rods;

s3, pressing the tail end of the main frame body downwards, pressing the pressure bearing part downwards under the action of gravity of the well lid, driving the movable part to rotate downwards, keeping the pressure bearing part in a horizontal state when the pressure bearing part moves to the lowest position of the sliding groove, and continuously pressing the tail end of the main frame body downwards to lift the well lid;

s4, the well lid is moved to the designated position by moving the main frame body, the operation reverse rotation operating handle drives the bidirectional screw rod to reversely rotate through the connecting line and simultaneously reset the forward rotation operating handle, the two movable rods are driven to move towards the two sides of the fixed sleeve, the well lid is loosened, and the well lid is reset under the action of the reset spring when the pressure bearing part is completely separated from the well lid.

Compared with the prior art, the invention can obtain the following technical effects:

the well lid is clamped by the clamping jaws, the inner thread and the two-way screw are locked at the current position due to the self-locking characteristic, when the well lid needs to be placed down, the two-way screw can be turned over by operating the reverse operation handle, the movable rod is driven to move towards the two sides of the fixed sleeve, and the well lid is loosened by the clamping jaws.

The clamping jaw comprises a fixed part, a movable part, a bearing part, a chute and a reset spring, when the clamping jaw penetrates through a well lid extraction hole, the gravity action of a well lid is utilized to act on the bearing part, so that the bearing part moves to the lowest position in the chute and finally reaches a horizontal state, at the moment, the fixed part and the movable part of the bottom of the chute form a right-angled triangle, and the bearing part and the fixed part are in a vertical state to realize the stability of the bearing part, and then the well lid is lifted, so that the operation efficiency and the safety are greatly improved, and the anti-slip performance is stronger.

The two movable rods are provided with the limiting parts, and the limiting parts can limit the inward movement distance of the movable rods so as to use well covers with different specifications, thereby improving the construction efficiency and the safety of the well covers; set up threaded hole on the fixed sleeve pipe, utilize locking bolt and different screw hole adaptations to control the outward movement distance of movable rod, adapt to the well lid of different specifications, improve its efficiency of construction and security.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing a connection relationship between a stationary sleeve, a movable rod and a driving unit according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a partially enlarged view of fig. 2 at B.

In the figure: 1. a main frame body; 2. fixing the sleeve; 3. a movable rod; 4. a clamping jaw; 41. a fixed part; 42. a movable portion; 43. a pressure-bearing portion; 44. a chute; 45. a return spring; 5. a bidirectional screw; 6. an internal thread; 7. a grip; 8. a forward rotation operation handle; 9. a reverse operation handle; 10. a wire spool is rotated positively; 11. reversing the wire spool; 12. a limiting member; 13. locking the bolt; 14. a guide member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

as shown in fig. 1 to 2, a laborsaving snatching tool of well lid, including the body frame body 1, the body frame body 1 sets up and makes for steel pipe class material for the triangle-shaped structure, the front end fixedly connected with transverse state's of the body frame body 1 fixed sleeve 2, it is provided with two movable rods 3 to slide in the fixed sleeve 2, the one end of movable rod 3 extends to the outside of fixed sleeve 2, two 3 homogeneous connections of movable rod that are located the 2 outsides of fixed sleeve have clamping jaw 4, fixed mounting has drive arrangement to be used for driving two movable rods 3 and remove simultaneously in fixed sleeve 2 in 2. Drive two movable rods 3 through drive arrangement and remove simultaneously and then adjust the position of clamping jaw 4 to be applicable to the centre gripping well lid, realize snatching and transferring the process to the well lid.

In this embodiment, it is further preferable that the main frame 1 is fixedly provided with traveling wheels to realize displacement of any position of the main frame 1.

In this embodiment, it is further preferable that the driving device includes a two-way screw 5, an internal thread 6, a handle 7, a forward rotation operating handle 8 and a reverse rotation operating handle 9, the two-way screw 5 is rotatably connected in the fixing sleeve 2, the two-way screw 5 is fixedly connected with a forward rotation wire reel 10 and a reverse rotation wire reel 11, two ends of the two-way screw 5 respectively extend into the corresponding movable rod 3, the internal thread 6 is opened on one side opposite to the movable rod 3 and is connected with the two-way screw 5 in a matching manner, the handle 7 is fixedly connected at the tail end of the main frame body 1, the forward rotation operating handle 8 and the reverse rotation operating handle 9 are respectively fixedly connected at two ends of the handle 7, and the forward rotation operating handle 8 and the reverse rotation operating handle 9 respectively penetrate through the fixing sleeve 2 from the inside of the main frame body 1 and are connected with the forward rotation wire reel 10 and the reverse rotation wire reel 11 inside the fixing sleeve 2 through a connecting rope. Corotation through corotation operation handle 8 drives two-way screw rod 5 through the connecting wire makes two movable rods 3 to the inboard removal of fixed sleeving 2 and then snatch the well lid, and combine two-way screw rod 5 and internal thread 6 to realize auto-lock to the current position under two-way screw rod 5 does not have exogenic action, utilize reversal operation handle 9 to drive two-way screw rod 5's reversal through the connecting wire to make two movable rods 3 to the 2 both sides of fixed sleeving remove and then release the well lid, and combine two-way screw rod 5 and internal thread 6 to realize auto-lock to the current position under two-way screw rod 5 does not have exogenic action, this process easy operation and laborsaving.

When in actual use, promote the body frame body 1 through handle 7 and remove to fixed sleeve 2 and be located the well lid directly over, draw the hole with clamping jaw 4 through the well lid, operation corotation handle 8 drives two-way screw rod 5 corotation through connecting the rope, drive two movable rods 3 and remove to fixed sleeve 2's middle part, and then accomplish the clamp to the well lid, push down 1 tail end of the body frame body and make the well lid mention, promote the body frame body 1 and move the well lid to assigned position department after, operation reversal handle 9 makes 5 reversals of two-way screw rod, make movable rod 3 remove to fixed sleeve 2's both sides, finally make clamping jaw 4 and well lid draw the hole separation to realize transferring.

Example 2:

as shown in fig. 3, based on embodiment 1, a further improvement is that the clamping jaw 4 includes a fixed portion 41, a movable portion 42 and a pressure-receiving portion 43, the fixed portion 41 is fixedly connected to the movable rod 3, a sliding slot 44 of the vertical movable rod 3 is formed in one side of the fixed portion 41 opposite to the main frame 1, a return spring 45 is installed in the sliding slot 44, one end of the movable portion 42 is rotatably connected to the fixed portion 41, the other end of the movable portion is rotatably connected to the pressure-receiving portion 43, one end of the pressure-receiving portion 43 away from the movable portion 42 is slidably disposed in the sliding slot 44 and connected to the return spring 45, and the pressure-receiving portion 43 is horizontal when moving to the bottom of the sliding slot 44 and does not move at all times.

In the implementation operation, when fixed sleeve 2 is lifted slowly, the well lid extrudees bearing portion 43 under the action of gravity, cause bearing portion 43 to realize moving down in spout 44, the other end will promote movable part 42 and revolve down, it is not taking place to move down to be the horizontality when bearing portion 43 moves to the bottom of spout 44, fixed part 41 and movable part 42 below with spout 44 form right angled triangle this moment, bearing portion 43 will realize lifting to the well lid, the in-process of below well lid can increase the cushion block in the below of well lid, when the well lid falls to the cushion block, it gradually separates until the complete separation to continue below to realize the below process to the well lid.

Example 3:

as shown in fig. 4, based on the embodiment 2, a solution is further improved, wherein limiting parts 12 (including a collar and a locking bolt for fixing the movable rod 3 at the position) are movably disposed on the two movable rods 3 located outside the fixed sleeve 2, and the final distance of the two movable rods 3 moving towards the inner side of the fixed sleeve 2 is realized by using the limiting parts 12 to adapt to well covers of different specifications.

In this embodiment, further preferably, the manhole cover further includes a locking bolt 13, the fixing sleeve 2 is provided with a plurality of threaded holes 15 adapted to the locking bolt 13 at equal intervals, the locking bolt 13 is installed at different positions of the threaded holes, the guide 14 is arranged on the movable rod 3 located inside the fixing sleeve 2, and the guide 14 is controlled by the locking bolt 13 within a proper range to prevent the movable rod 3 from moving outwards excessively and being not adapted to the manhole cover grabbing hole.

Example 4:

s1, moving the limiting piece 12 on the movable rod 3 to the innermost position of the well lid grabbing hole according to the size and specification of the well lid, and connecting the locking bolt 13 to the threaded hole 15 corresponding to the outermost position of the well lid grabbing hole;

s2, the main frame body 1 is pushed to move to a position above the well lid of the fixing sleeve 2, the forward rotation operating handle 8 is operated to drive the forward rotation wire spool 10 to rotate through the connecting line so as to drive the bidirectional screw 5 to rotate forward, the two movable rods 3 are driven to move towards the middle of the fixing sleeve 2, the well lid is clamped by the clamping jaws 4, and then self-locking is achieved through the bidirectional screw 5 and the internal threads 6 on the movable rods 3;

s3, pressing the tail end of the main frame body 1 downwards, pressing the pressure bearing part 43 downwards under the action of gravity of the well lid, driving the movable part 42 to rotate downwards, keeping the pressure bearing part 43 in a horizontal state when moving to the lowest position of the sliding groove 44, and continuously pressing the tail end of the main frame body 1 downwards to lift the well lid;

s4, the well lid is moved to the designated position by moving the main frame body 1, the operation reverse rotation operation handle 9 drives the bidirectional screw rod 5 to reversely rotate through the connecting line and simultaneously reset the forward rotation operation handle 8, the two movable rods 3 are driven to move towards the two sides of the fixed sleeve 2, the well lid is further loosened, and the well lid is reset under the action of the reset spring 45 when the bearing part 43 is completely separated from the well lid.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The labor-saving well lid grabbing tool is characterized by comprising a main frame body (1), wherein a fixing sleeve (2) is fixedly connected to the front end of the main frame body (1), two movable rods (3) are movably arranged in the fixing sleeve (2), one end of each movable rod (3) extends to the outer side of the fixing sleeve (2), the two movable rods (3) which are positioned on the outer sides of the fixing sleeves (2) are integrally connected with a clamping jaw (4), and a driving device is fixedly arranged in each fixing sleeve (2) and used for driving the two movable rods (3) to simultaneously move in the fixing sleeve (2);

the driving device comprises a bidirectional screw (5), an internal thread (6), a handle (7), a forward rotation operating handle (8) and a reverse rotation operating handle (9), the bidirectional screw (5) is rotatably connected in the fixed sleeve (2), the bidirectional screw (5) is fixedly connected with a forward rotation wire spool (10) and a reverse rotation wire spool (11), the internal thread (6) is arranged on one side opposite to the movable rod (3) and is in matched connection with the bidirectional screw (5), the handle (7) is fixedly connected to the tail end of the main frame body (1), the forward rotation operating handle (8) and the reverse rotation operating handle (9) are respectively and fixedly connected to two ends of the handle (7), and the forward rotation operating handle (8) and the reverse rotation operating handle (9) are respectively connected with the forward rotation wire spool (10) and the reverse rotation wire spool (11) through connecting ropes;

the clamping jaw (4) comprises a fixing part (41), a movable part (42) and a pressure-bearing part (43), the fixing part (41) is fixedly connected to the movable rod (3), a sliding groove (44) is formed in one side, opposite to the main frame body (1), of the fixing part (41), a return spring (45) is installed in the sliding groove (44), one end of the movable part (42) is rotatably connected to the fixing part (41), the other end of the movable part is rotatably connected with the pressure-bearing part (43), one end, far away from the movable part (42), of the pressure-bearing part (43) is movably arranged in the sliding groove (44) and connected with the return spring (45), and the pressure-bearing part (43) is in a horizontal state and does not move any more when moving to the bottom of the sliding groove (44);

a limiting piece (12) is movably arranged on the movable rod (3) positioned at the outer side of the fixed sleeve (2);

still include locking bolt (13), equidistant screw hole (15) of a plurality of and locking bolt (13) adaptation of offering on fixed sleeve (2), be located fixed sleeve (2) inboard be equipped with guide (14) on movable rod (3).

2. The well lid labor-saving gripping tool as claimed in claim 1, wherein the main frame body (1) is fixedly provided with walking wheels.

3. The operation method of the labor-saving well lid grabbing tool is characterized by comprising the following steps of:

s1, moving the limiting piece (12) to the innermost position of the well lid grabbing hole on the movable rod (3) according to the size and specification of the well lid, and connecting the locking bolt (13) to the threaded hole (15) corresponding to the outermost position of the well lid grabbing hole;

s2, the main frame body (1) is pushed to move to a position where the fixing sleeve (2) is located right above the well lid, the forward rotation operating handle (8) is operated to drive the forward rotation wire spool (10) to rotate through a connecting line so as to drive the bidirectional screw (5) to rotate forward, the two movable rods (3) are driven to move towards the middle of the fixing sleeve (2), the well lid is clamped by the clamping jaws (4), and then self-locking is achieved through the bidirectional screw (5) and the internal threads (6) on the movable rods (3);

s3, pressing down the tail end of the main frame body (1), keeping the current state of the forward rotation operating handle (8) all the time in the pressing down process, pressing down the bearing part (43) under the action of gravity of the well lid, driving the movable part (42) to rotate down, keeping the bearing part (43) in a horizontal state when moving to the lowest position of the sliding groove (44), and continuously pressing down the tail end of the main frame body (1) to lift the well lid;

s4, the well lid is moved to the designated position by moving the main frame body (1), the operation reverse rotation operating handle (9) drives the bidirectional screw (5) to rotate reversely through the connecting line and simultaneously reset the normal rotation operating handle (8), the two movable rods (3) are driven to move towards the two sides of the fixed sleeve (2), the well lid is loosened, and the well lid is reset under the action of the reset spring (45) when the bearing part (43) is completely separated from the well lid.