Intelligent interlocking safety device

Abstract

The utility model relates to the technical field of hydraulic tongs, in particular to an intelligent interlocking safety device which comprises a hydraulic tong body, a height adjusting mechanism is arranged below the hydraulic tong body and comprises a bottom plate arranged below the hydraulic tong body, and the top end of the bottom plate is fixedly connected with a base. An adjusting rod is slidably connected to the top of the base, a plurality of limiting holes are formed in one side of the adjusting rod, an inner groove is formed in one side of the base, a linkage block is arranged in the inner groove, a plurality of protruding blocks are fixedly connected to the side, facing the adjusting rod, of the linkage block, and the protruding blocks are matched with the limiting holes. According to the hydraulic clamp, the hydraulic clamp body is matched with the height adjusting mechanism, so that an operator adjusts the height of the hydraulic clamp body through the adjusting rod when using the hydraulic clamp body, and pushes the linkage block into the limiting hole in a mode of treading the pedal to enable the linkage block and the limiting hole to be clamped with each other; therefore, the height of the adjusting rod is limited, the output of an operator is reduced, and the operator is prevented from fatigue.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pliers, in particular to an intelligent interlocking safety device. Background Art

[0002] At present, hydraulic pliers are widely used in oil well drilling and repair operations for the make-up and break-out of drill pipes, casings, etc., among which open-end hydraulic pliers are the most commonly used. When the hydraulic pliers are being repaired or the jaws are replaced, if the operator or other people accidentally touch the operating handle, the hydraulic pliers will rotate and squeeze the operator's fingers, causing serious personal injury.

[0003] After searching, the patent document with publication number CN 201705246 U proposed an intelligent interlocking safety device: the utility model discloses a hydraulic pliers safety protection mechanism, including a bearing column, fixing bolts are installed at both ends of the bearing column, a connecting plate is sleeved on the outside of the fixing bolt, and a locking nut is installed at the end of the fixing bolt for fixing the connecting plate; a rotating ring is installed on the outside of the bearing column, an adjusting rod is installed on the outer circumference of the rotating ring, a clamping block is hinged at the bottom end of the adjusting rod, the clamping block is a horizontal "U"-shaped structure, a clamping bolt is installed at the bottom end of the clamping block through a thread, and the clamping bolt extends into the inside of the clamping block. The beneficial effect is that the hydraulic pliers can be fixed to ensure stable operation, without the need for operators to hold them, which greatly reduces the labor intensity of operators, is simple and convenient to use, and has good safety.

[0004] In the process of using the hydraulic pliers, the above technical solution uses the handles to hold the hydraulic pliers manually to ensure the stability of the hydraulic pliers, which increases the labor intensity of the operator and easily causes fatigue after long-term use, and also poses a safety hazard.

[0005] Therefore, it is necessary to invent an intelligent interlocking safety device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an intelligent interlocking safety device, which enables an operator to use the hydraulic pliers body in a labor-saving manner through the cooperation between the hydraulic pliers body and the height adjustment mechanism, so as to solve the problem that the hydraulic pliers are pressed and held by manually holding the handle to ensure the stability of the hydraulic pliers in the prior art, which has high labor intensity for the operator and is prone to fatigue due to long-term use, and also has safety hazards.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent interlocking safety device, comprising a hydraulic pliers body, a height adjustment mechanism is arranged below the hydraulic pliers body, the height adjustment mechanism comprises a bottom plate arranged below the hydraulic pliers body, the top of the bottom plate is fixedly connected to a base, the top of the base is slidably connected to an adjustment rod and a plurality of groups of limiting holes are provided on one side of the adjustment rod, an inner groove is provided on one side of the base, a linkage block is arranged inside the inner groove and a plurality of groups of protrusions are fixedly connected to the linkage block toward a side of the adjustment rod, the protrusions are matched with the limiting holes, and the height of the adjustment rod is adjusted by the clamping connection between the limiting holes and the protrusions.

[0008] Preferably, the inner wall of the base is fixedly connected with a sliding rod and the linkage block is slidably connected to the outer wall of the sliding rod, the outer side of the sliding rod is sleeved with a spring 1, one end of the spring 1 is fixedly connected to the inner side of the linkage block, so that the linkage block can be reset by spring 1 when the external force is lost.

[0009] Preferably, the top of the base plate is fixedly connected with an adjustable telescopic rod, the top of the adjustable telescopic rod is fixedly connected with a pedal, the outer wall of the adjustable telescopic rod is sleeved with a spring 2, the top of the spring 2 is fixedly connected to the bottom end of the pedal, and the pedal is reset by spring 2 to facilitate working again.

[0010] Preferably, a transmission block is fixedly connected to one side of the pedal close to the linkage block, and the angles of the transmission block and the side opposite to the linkage block are the same, so that the linkage block is driven to move by the pedal.

[0011] Preferably, a jaw is provided on one side of the hydraulic pliers body, the top end of the hydraulic pliers body is rotatably connected to a safety door, the bottom end of the hydraulic pliers body is bolted to a connecting block, and the connecting block is rotatably connected to the top end of the adjusting rod, so that the safety door prevents the hydraulic pliers body from closing and causing accidental injury to people or objects.

[0012] Preferably, a first electric telescopic rod is fixedly connected to the top of the hydraulic pliers body, a slot is provided on a side of the safety door close to the first electric telescopic rod, the first electric telescopic rod and the slot are in a clamping relationship with each other, and the slot is reinforced by the first electric telescopic rod.

[0013] Preferably, a clamping column is fixedly connected to the top of the hydraulic pliers body, the clamping column and the safety door are clamped with each other, one end of the safety door is clamped with a limiting rod, a second electric telescopic rod is provided on one side of the limiting rod and the second electric telescopic rod is installed at the top of the hydraulic pliers body, and the safety door is preliminarily limited by the second electric telescopic rod and the limiting rod.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. Through the cooperation between the hydraulic pliers body and the height adjustment mechanism, the operator can adjust the height of the hydraulic pliers body by adjusting the rod when using the hydraulic pliers body, and push the linkage block into the limiting hole by stepping on the pedal to make them engage with each other, thereby limiting the height of the adjustment rod, reducing the operator's effort, preventing fatigue, and improving the practicality and safety of the structure;

[0016] 2. Through the cooperation of the first electric telescopic rod, the connecting block and the notch, on the basis that the safety door has been initially limited by the second electric telescopic rod and the limit rod, the safety door is more tightly abutted by the first electric telescopic rod and the notch when being limited, thereby improving the stability of the structure to prevent the hydraulic pliers body from causing accidental injury to people or objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial structural diagram of the height adjustment mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the main structure of the hydraulic pliers of the utility model;

[0021] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 For the utility model Figure 3 Enlarged structural diagram at B in the middle.

[0023] Description of reference numerals:

[0024] 1. Hydraulic pliers body; 2. Height adjustment mechanism; 201. Bottom plate; 202. Adjustment telescopic rod; 203. Foot pedal; 204. Inner groove; 205. Base; 206. Adjustment rod; 207. Limiting hole; 208. Spring 1; 209. Spring 2; 210. Linkage block; 211. Sliding rod; 3. First electric telescopic rod; 4. Jaw; 5. Safety door; 6. Connecting block; 7. Notch; 8. Second electric telescopic rod; 9. Snap-on column; 10. Limiting rod. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-5 The intelligent interlocking safety device shown in the figure comprises a hydraulic pliers body 1, a height adjustment mechanism 2 is arranged below the hydraulic pliers body 1, the height adjustment mechanism 2 comprises a bottom plate 201 arranged below the hydraulic pliers body 1 for supporting subsequent parts, a top of the bottom plate 201 is fixedly connected to a base 205 to protect other parts, an adjustment rod 206 is slidably connected to the top of the base 205, and a plurality of groups of limiting holes 207 are opened on one side of the adjustment rod 206, and the height of the hydraulic pliers body 1 is adjusted by the adjustment rod 206, and an inner groove 207 is opened on one side of the base 205 4. A linkage block 210 is provided inside the inner groove 204, and a plurality of groups of protrusions are fixedly connected to the side of the linkage block 210 facing the adjustment rod 206. The protrusions are matched with the limiting holes 207. The height of the adjustment rod 206 is adjusted by the clamping of the limiting holes 207 and the protrusions. A sliding rod 211 is fixedly connected to the inner side wall of the base 205, and the linkage block 210 is slidably connected to the outer side wall of the sliding rod 211. A spring 208 is sleeved on the outer side of the sliding rod 211. The spring 208 extends to both ends in a natural state. One end of the spring 208 is fixedly connected to the inner side of the linkage block 210, so that The linkage block 210 can be reset by spring 1 208 when the external force is lost. The top of the bottom plate 201 is fixedly connected with the adjustment telescopic rod 202, and the top of the adjustment telescopic rod 202 is fixedly connected with the pedal 203. The operator controls other parts by stepping on the pedal 203. The outer wall of the adjustment telescopic rod 202 is provided with a spring 209. The top of the spring 209 is fixedly connected to the bottom of the pedal 203. The pedal 203 is reset by the spring 209 to facilitate working again. The pedal 203 is fixed near the side of the linkage block 210. A transmission block is connected and the angles of the sides opposite to the linkage block 210 are the same. The linkage block 210 is driven to move by the pedal 203. Through the cooperation between the hydraulic pliers body 1 and the height adjustment mechanism 2, the operator can adjust the height of the hydraulic pliers body 1 by adjusting the adjustment rod 206 when using the hydraulic pliers body 1, and push the linkage block 210 into the limiting hole 207 by stepping on the pedal 203 to make them engage with each other, thereby limiting the height of the adjustment rod 206, reducing the operator's effort, preventing his fatigue, and improving the practicality and safety of the structure.

[0027] Refer to the instruction manual Figure 1-5A jaw 4 is provided on one side of the hydraulic pliers body 1, and a safety door 5 is rotatably connected to the top of the hydraulic pliers body 1. A connecting block 6 is bolted to the bottom end of the hydraulic pliers body 1, and the connecting block 6 is rotatably connected to the top of the adjusting rod 206. The connecting block 6 can be rotated to drive the hydraulic pliers body 1 to rotate with it to adjust the angle. The safety door 5 prevents the hydraulic pliers body 1 from closing and causing accidental injury to people or objects. A first electric telescopic rod 3 is fixedly connected to the top of the hydraulic pliers body 1, and a notch 7 is provided on the side of the safety door 5 close to the first electric telescopic rod 3. The first electric telescopic rod 3 and the notch 7 are in a clamping relationship with each other, and the notch 7 is reinforced by the first electric telescopic rod 3. A clamping column 9 is fixedly connected to the top of the hydraulic pliers body 1, and the clamping column 9 and the safety door 5 are clamped with each other. One end of the door 5 is clamped with a limit rod 10, and a second electric telescopic rod 8 is provided on one side of the limit rod 10 and the second electric telescopic rod 8 is installed on the top of the hydraulic pliers body 1. The safety door 5 is initially limited by the second electric telescopic rod 8 and the limit rod 10. A switch is provided on the surface of the hydraulic pliers body 1 to control the opening and closing of the second electric telescopic rod 8 and the first electric telescopic rod 3. Through the cooperation of the first electric telescopic rod 3, the connecting block 6 and the notch 7, on the basis that the safety door 5 has been initially limited by the second electric telescopic rod 8 and the limit rod 10, the safety door 5 is more tightly abutted by the first electric telescopic rod 3 and the notch 7 when being limited, thereby improving the stability of the structure to prevent the hydraulic pliers body 1 from causing accidental injury to people or objects.

[0028] How this utility works:

[0029] Refer to the instruction manual Figure 1-5 When the hydraulic pliers body 1 is not working, the safety door 5 is rotated to the closed position, and then the switch is started to make the first electric telescopic rod 3 and the second electric telescopic rod 8 work, so that the limit rod 10 and the first electric telescopic rod 3 limit the position of the safety door 5, thereby realizing double insurance to improve the safety of the structure. When the hydraulic pliers body 1 needs to be used, the above operation is repeated in reverse to make the safety door 5 rotate to the non-working position. Then, according to actual needs, the hydraulic pliers body 1 and the connecting block 6 are connected by bolts, and the sliding adjustment rod 206 is used to adjust the height of the hydraulic pliers body 1. Then, by stepping on the foot pedal 203, the linkage block 210 is pushed into the interior of the limiting hole 207 so that they are engaged with each other, thereby limiting the height of the adjustment rod 206, reducing the operator's output, preventing fatigue, and improving the practicality and safety of the structure. After the hydraulic pliers body 1 is finished working, the linkage block 210 and the foot pedal 203 are reset by the elasticity of the spring 1 208 and the spring 209 to facilitate the next work.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An intelligent interlocking safety device, comprising a hydraulic pliers body (1), Features: A height adjustment mechanism (2) is arranged below the hydraulic pliers body (1), and the height adjustment mechanism (2) comprises a bottom plate (201) arranged below the hydraulic pliers body (1), the top of the bottom plate (201) is fixedly connected to a base (205), the top of the base (205) is slidably connected to an adjustment rod (206), and one side of the adjustment rod (206) is provided with a plurality of groups of limiting holes (207), one side of the base (205) is provided with an inner groove (204), a linkage block (210) is arranged inside the inner groove (204), and the linkage block (210) is fixedly connected to a plurality of groups of protrusions on the side facing the adjustment rod (206), and the protrusions are matched with the limiting holes (207).

2. An intelligent interlocking safety device according to claim 1, Features: The inner wall of the base (205) is fixedly connected to a slide bar (211) and the linkage block (210) is slidably connected to the outer wall of the slide bar (211). A spring (208) is sleeved on the outer side of the slide bar (211), and one end of the spring (208) is fixedly connected to the inner side of the linkage block (210).

3. An intelligent interlocking safety device according to claim 1, Features: The top end of the bottom plate (201) is fixedly connected to an adjustable telescopic rod (202), the top end of the adjustable telescopic rod (202) is fixedly connected to a pedal (203), the outer wall of the adjustable telescopic rod (202) is sleeved with a second spring (209), the top end of the second spring (209) is fixedly connected to the bottom end of the pedal (203).

4. An intelligent interlocking safety device according to claim 3, Features: A transmission block is fixedly connected to one side of the pedal (203) close to the linkage block (210), and the angles of the transmission block and the side opposite to the linkage block (210) are the same.

5. An intelligent interlocking safety device according to claim 1, Features: A jaw (4) is provided on one side of the hydraulic pliers body (1); a safety door (5) is rotatably connected to the top end of the hydraulic pliers body (1); a connecting block (6) is bolted to the bottom end of the hydraulic pliers body (1); and the connecting block (6) is rotatably connected to the top end of the adjustment rod (206).

6. An intelligent interlocking safety device according to claim 5, Features: A first electric telescopic rod (3) is fixedly connected to the top end of the hydraulic pliers body (1); a notch (7) is provided on a side of the safety door (5) close to the first electric telescopic rod (3); and the first electric telescopic rod (3) and the notch (7) are in a clamping relationship with each other.

7. An intelligent interlocking safety device according to claim 5, Features: A clamping column (9) is fixedly connected to the top of the hydraulic pliers body (1), the clamping column (9) and the safety door (5) are clamped to each other, one end of the safety door (5) is clamped to a limit rod (10), one side of the limit rod (10) is provided with a second electric telescopic rod (8), and the second electric telescopic rod (8) is installed on the top of the hydraulic pliers body (1).

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