CN220078337U - Single holding clamp for portable calcium carbide - Google Patents

Abstract

The utility model belongs to the technical field of single holding pliers, and particularly discloses a single holding pliers for portable calcium carbide. According to the utility model, the fixing frame and the lifting frame are locked through the locking unit, the clamp arms clamp the calcium carbide and are lifted to the cooling site, so that the potential safety hazard of an operator for adjusting the opening and closing degree of the clamp arms in the conventional single clamp grabbing process of the calcium carbide is solved, the calcium carbide grabbing is realized through the independent locking hook of the locking unit, the process of clamping and transporting the calcium carbide is more consistent and smooth, and the potential safety hazard is reduced.

Description

Single holding clamp for portable calcium carbide

Technical Field

The utility model relates to the technical field of single holding forceps, in particular to a single holding forceps for portable calcium carbide.

Background

Calcium carbide, also called calcium carbide, is an inorganic compound, and is used for generating acetylene gas. In the calcium carbide production process, the calcium carbide pot filled with liquid calcium carbide is transported to a cooling factory by the tapping traction device to be cooled, then the operator takes down the pot lugs at the two sides of the calcium carbide pot, and the hanging tongs can extend into the calcium carbide pot from the opening to hang out the solid calcium carbide.

The hanging tongs that adopts among the prior art adopts scissors form single to hold the pincers, and scissors form single holds the pincers and snatchs and put down the carbide, and the both ends of pincers arm can not independently be located the both sides of carbide, can't realize pressing from both sides to the carbide and get, and suitable pincers arm degree of opening and shutting is in order to guarantee that the claw can stably grasp the carbide, therefore the opening and shutting of pincers arm usually needs manual adjustment, and the in-process operating personnel who adjusts the pincers arm contacts the carbide easily and takes place the scald, has certain potential safety hazard.

Disclosure of Invention

The utility model aims to provide a single holding clamp for a portable calcium carbide, which aims to solve the problems that when the existing calcium carbide clamping lifting tool clamps the calcium carbide, the opening and closing degree of a clamp arm needs to be manually adjusted, and operators are easy to contact the calcium carbide in the adjusting process, so that certain potential safety hazards exist.

In order to achieve the above purpose, the basic scheme provided by the utility model is as follows: the utility model provides a portable carbide is with single pincers of embracing, includes mount, crane, claw and is used for spacing the locking element on the mount with the crane, the claw includes two digging arms and two tong arms, every the one end of digging arm all with mount swing joint, every the other end of digging arm all articulates with the tong arm, every the articulated department of digging arm and tong arm all rigid coupling has first balancing weight, the rigid coupling has the fixed pin on the mount, two tong arms are run through respectively and rotate with the tong arm to be connected at the both ends of fixed pin, every the free end of tong arm all is connected with the binding clip.

The principle and the beneficial effects of the utility model are as follows: according to the utility model, the fixing frame and the lifting frame are locked through the locking unit, the crane drives the fixing frame and the lifting frame to descend to the calcium carbide pot, and the clamp head assists in opening the pot lugs of the calcium carbide pot, so that the clamp arm can clamp calcium carbide better, and meanwhile, the abrasion of the end part of the clamp arm is avoided, so that the service life of the single holding clamp is prolonged; the problem that the single holding forceps of the conventional clamping calcium carbide are easy to scald when the single holding forceps can not freely move to open the forceps arms to grasp the calcium carbide in the calcium carbide grabbing process and manual intervention is needed is solved, and the single holding forceps are independently locked with the locking unit, so that the process of clamping the calcium carbide and transporting is more continuous and smooth, and potential safety hazards are reduced.

In a second scheme, which is the preferred scheme, each side of the fixed frame and the lifting frame is respectively provided with a first strip-shaped hole and a second strip-shaped hole, a movable pin penetrates through the first strip-shaped hole and the second strip-shaped hole at both sides, and one ends of the two movable arms, which are far away from the clamp arms, are both rotatably connected on the movable pin;

when the lifting frame is lifted, the movable pin is positioned at the bottom of the second strip-shaped hole, the acting force of the travelling crane to the lifting frame is transmitted to the movable pin, the movable pin enables the hinged movable arm and the clamp arm to rotate, and the clamp arm clamps the calcium carbide;

when the lifting frame moves downwards to open the clamp arm, the lifting frame gradually descends to enable the bottom of the second strip-shaped hole to be lower than the bottom of the first strip-shaped hole, the movable pin connected with the movable arm is located at the bottom of the first strip-shaped hole, the lifting frame can continue to move downwards without being limited by the fixing frame until the locking unit releases the locking state, and therefore the clamp arm is conveniently opened to release calcium carbide.

The third scheme is the optimization of the basic scheme, the locking unit comprises a hook, a connecting assembly and a turning plate, the hook is connected to the lifting frame through the connecting assembly, the fixing frame is fixedly connected with a fixing seat, the turning plate is rotationally connected to the fixing seat, a hanging table is fixedly connected to the fixing seat, and the hanging table is positioned right above the turning plate;

through setting up locking element for the couple of crane can hang on the hanging platform of fixing base that the mount is connected, makes crane and mount keep relatively static, is locking state, thereby is convenient for the tong arm open centre gripping carbide.

The fourth scheme is the optimization of the third scheme, the connecting assembly comprises two fixing plates and a connecting shaft, the two fixing plates are fixedly connected to the lifting frame, the connecting shaft is fixedly connected between the two fixing plates, and the hook is rotationally connected with the connecting shaft; through setting up fixed plate and connecting axle, the couple of being convenient for rotates to be connected on the crane, and the couple of being convenient for freely latch hook and unhook when rotating.

The fifth scheme is the optimization of the third scheme, and a second balancing weight is connected to one side, close to the fixed plate, of the hook; through setting up the second balancing weight for when the couple was hung in the below of hanging the platform, can not receive external force perk unhook, under the gravity effect of second balancing weight, the tip of couple can lock in the below of hanging the platform be difficult for unhook.

The sixth scheme is the optimization of the basic scheme, and the bottom of the fixing frame is connected with a stabilizing frame; in the process of clamping calcium carbide, the stabilizing frame descends along with the lifting frame and is lapped on the upper surface of the calcium carbide, so that the whole single holding clamp is prevented from toppling over, the clamp arm descends more stably, and the calcium carbide is clamped more stably.

The seventh scheme is the optimization of the sixth scheme, and the top of the lifting frame is fixedly connected with a lifting lug; through setting up the lug, can conveniently hang the lug through the crane hook and lift up this single pincers of embracing.

A eighth scheme is a preferred basic scheme, wherein each clamp head is provided with a tooth slot; through setting up the tooth's socket, be convenient for the binding clip grasp the carbide.

Drawings

FIG. 1 is a perspective view of a portable single holding forceps for calcium carbide, wherein a claw is opened when a hook is hung on a hanging table;

fig. 2 is a front view of the portable single holding forceps for calcium carbide, in which a claw is opened when a hook is hung on a hanging table;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a perspective view of a portable single holding forceps for calcium carbide, in which a claw is folded when a hook is separated from a hanging table;

FIG. 5 is a front view of the portable single holding forceps for calcium carbide, in which the claws are in a folded state when the hooks are separated from the hanging table;

fig. 6 is a left side view of fig. 4.

Detailed Description

The utility model is described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: 1. a fixing frame; 2. a lifting frame; 3. a first bar-shaped hole; 4. a second bar-shaped hole; 5. a fixing plate; 6. a connecting shaft; 7. a hook; 8. a second balancing weight; 9. a movable arm; 10. a clamp arm; 11. a movable pin; 12. a fixing pin; 13. a first balancing weight; 14. a fixing seat; 15. hanging a table; 16. turning plate; 17. a stabilizing rack; 18. a clamp head; 19. a chute; 20. lifting lugs.

As shown in fig. 1 to 6: the utility model provides a portable single holding forceps for carbide, includes mount 1, crane 2, claw and locking element, and the top fixedly connected with lug 20 of crane 2, and the both sides of mount 1 are equipped with spout 19, and the week side of crane 2 inserts in spout 19 on the mount 1 and with mount 1 sliding connection, has seted up first bar hole 3 and second bar hole 4 on mount 1 and the crane 2 respectively, and the bottom fixedly connected with steady rest 17 of mount 1.

The clamp claw comprises two movable arms 9 and two clamp arms 10, one ends of the two movable arms 9 are respectively connected with a movable pin 11 in a rotating way, two ends of the movable pin 11 respectively penetrate through the first strip-shaped hole 3 and the second strip-shaped hole 4, the other end of each movable arm 9 is hinged with one end of the clamp arm 10, a first balancing weight 13 is fixedly connected at the hinged position of each movable arm 9 and the clamp arm 10, a fixed pin 12 is fixedly connected to the fixed frame 1, and two ends of the fixed pin 12 respectively penetrate through the two clamp arms 10 and are rotationally connected with the clamp arm 10; the free end of each clamp arm 10 is provided with a dovetail groove, each clamp arm 10 is clamped with a clamp head 18 through the dovetail groove, and each clamp head 18 is provided with a tooth slot.

The locking unit includes couple 7, coupling assembling and turns over board 16, coupling assembling includes two fixed plates 5 and connecting axle 6, the equal fixed connection of two fixed plates 5 is on crane 2, connecting axle 6 fixed connection is between two fixed plates 5, the one end of couple 7 cup joints on connecting axle 6 and rotates with connecting axle 6 to be connected, couple 7 is close to one side fixedly connected with second balancing weight 8 of fixed plate 5, the welding has fixing base 14 on the mount 1, hanging 15 fixed connection is on fixing base 14, turn over board 16 sets up under hanging 15 and rotates with fixing base 14 to be connected.

The implementation manner of this example is as follows: when the single holding forceps are used, the whole single holding forceps are firstly hung on the lifting lug 20 by the hooks 7 of the travelling crane, the initial state of the hooks 7 is tightly hung on the hanging table 15, the lifting frame 2 and the fixing frame 1 are in a locking state, and at the moment, the whole forceps arms 10 are opened to be convenient for clamping and hanging calcium carbide to the maximum extent.

When the crane lifts the single holding clamp to the upper part of the calcium carbide pot filled with calcium carbide, the crane drives the whole single holding clamp to descend, when the stabilizing frame 17 is lapped on the upper surface of the calcium carbide, the crane continues to descend with the lifting frame 2 and the hooks 7, the ends of the hooks 7 slide downwards on the upper surface of the turning plate 16 until the ends of the hooks 7 slide out of the ends of the turning plate 16, and the clamp heads 18 at the two ends of the clamp arms 10 are tightly attached to the pot wall of the calcium carbide pot.

The crane promotes crane 2 through lug 20, the tip of couple 7 is located the below of turning over board 16 this moment, crane 2 drives connecting axle 6 and couple 7 upward movement, the couple 7 is colluded the board 16 gradually, the rising of couple 7 is followed to the board 16 and is turned over upward, when the tip of turning over board 16 is taken at the tip of hanging platform 15, couple 7 slides gradually to the upper surface of hanging platform 15, couple 7 can't be hooked in the unhooking state in the below of hanging platform 15, couple 7 breaks away from with fixing base 14 and hanging platform 15 and continues to be promoted with following crane 2 this moment, binding clip 18 jack-up the pot ear of carbide pot both sides and chucking is on the outer wall of carbide (the structure of carbide pot see the patent of application number 202210139959.8). In the process that the lifting frame 2 is lifted upwards, the two movable arms 9 are gradually close to each other, the two clamp arms 10 are close to each other towards the middle and are retracted, and the clamp arms 10 drive the clamp heads 18 to clamp and lift the calcium carbide from the calcium carbide pot.

When the travelling crane is lifted to the space of the site for cooling the calcium carbide, the travelling crane is operated to drive the lifting frame 2 to descend, the two clamp arms 10 are gradually opened along with the movable arm 9, at the moment, the clamp heads 18 gradually loosen the calcium carbide, the two clamp arms 10 are restored to the initial opening state, and the calcium carbide is placed. The lifting frame 2 drives the hook 7 to descend and slide downwards along the upper surface of the hanging table 15 until the hook 7 is hung on the hanging table 15 beyond the edge of the hanging table 15, at the moment, the lifting frame 2 and the fixing frame 1 are in a locking state, and then the travelling crane continuously drives the single holding clamp to ascend, so that the next calcium carbide lifting operation can be continuously carried out.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (8)

1. The utility model provides a portable single pincers for carbide, includes mount (1), crane (2), claw and is used for spacing the locking element on mount (1) with crane (2), crane (2) and mount (1) sliding connection, claw includes two movable arms (9) and two tong arms (10), every the one end of movable arm (9) all with mount (1) swing joint, every the other end of movable arm (9) all articulates with tong arm (10), every the articulated department of movable arm (9) and tong arm (10) all rigid coupling has first balancing weight (13), rigid coupling has fixed pin (12) on mount (1), the both ends of fixed pin (12) run through two tong arms (10) respectively and are connected with tong arm (10) rotation, every the free end of tong arm (10) all is connected with binding clip (18).

2. The single holding forceps for portable calcium carbide according to claim 1, wherein each side of the fixing frame (1) and the lifting frame (2) is provided with a first strip-shaped hole (3) and a second strip-shaped hole (4) respectively, a movable pin (11) penetrates through the space between the first strip-shaped hole (3) and the second strip-shaped hole (4) at two sides, and one ends, far away from the forceps arms (10), of the two movable arms (9) are both connected to the movable pin (11) in a rotating mode.

3. The single holding forceps for portable calcium carbide according to claim 1, wherein the locking unit comprises a hook (7), a connecting assembly and a turning plate (16), the hook (7) is connected to the lifting frame (2) through the connecting assembly, the fixing frame (1) is fixedly connected with a fixing seat (14), the turning plate (16) is rotationally connected to the fixing seat (14), a hanging table (15) is fixedly connected to the fixing seat (14), and the hanging table (15) is located right above the turning plate (16).

4. A pair of portable single holding pliers for calcium carbide according to claim 3, characterized in that the connecting assembly comprises two fixing plates (5) and a connecting shaft (6), the two fixing plates (5) are fixedly connected to the lifting frame (2), the connecting shaft (6) is fixedly connected between the two fixing plates (5), and the hook (7) is rotationally connected with the connecting shaft (6).

5. The portable single holding forceps for calcium carbide according to claim 3, wherein a second balancing weight (8) is connected to one side of the hook (7) close to the fixed plate (5).

6. The portable single holding forceps for calcium carbide according to claim 1, wherein the bottom of the fixing frame (1) is connected with a stabilizing frame (17).

7. The portable single holding forceps for calcium carbide according to claim 6, wherein the top of the lifting frame (2) is fixedly connected with a lifting lug (20).

8. The portable single holding forceps for calcium carbide as claimed in claim 1, wherein each of the forceps heads (18) is provided with a tooth slot.