Hydraulic plate clamping machine
The hydraulic clamp machine addresses safety and efficiency issues in bridge plate placement by enabling 360-degree rotation and secure clamping, reducing labor intensity and equipment needs in confined and adverse conditions.
Patent Information
- Application Number
- CN202422484021.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-14
AI Technical Summary
There are safety hazards when hydraulic clamp machines are constructed under narrow roads and high-voltage lines, and the crane cannot rotate and unfold, which affects the construction progress and safety.
A hydraulic clamping machine is designed, using two hydraulic cylinders and a slewing reducer to achieve clamping of the bridge plate and 360-degree steering, and is connected to the excavator through a hydraulic system to achieve stable placement of the bridge plate.
It reduces the number of construction personnel, reduces the operation intensity and safety risks, improves construction efficiency, reduces the frequency and cost of crane use, adapts to various weather and terrain conditions, and ensures safe operation.
Smart Images

Figure CN223102512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hydraulic system, and more specifically to a hydraulic clamping machine. Background Art
[0002] The hydraulic clamping machine is applicable to the oil and gas engineering industry, especially for use by drilling engineering companies. At present, the Road Construction, Hydropower Project Department of the Production Support Center undertakes the construction business of placing bridge plates at each well site. With the increase in workload, labor intensity, and personnel pressure, and due to factors in the construction operation environment, the completion of the workload is sometimes affected.
[0003] When collecting and placing bridge plates on a narrow road, first, the road needs to be leveled, and then the bridge plates are placed on the road where the bridge plates need to be laid. Sometimes, the outriggers of the crane cannot be opened, and the crane is unevenly stressed, so there are safety hazards. When collecting and placing bridge plates under high-voltage lines, there are risks that the boom of the crane cannot rotate, the outriggers of the crane cannot be deployed, and there are significant safety risks for personnel to take their positions and evacuate. Affected by the operation environment, the crane at some well sites cannot reach the best operation location, affecting the construction progress. Affected by weather factors, the construction operation is difficult, such as there are significant safety hazards during hoisting operations in rainy or snowy weather. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to provide a hydraulic clamping machine, which solves the rotation problem in terms of direction, and two hydraulic cylinders realize the clamping of the bridge plate, thereby realizing the construction operation of placing the bridge plate by the construction machinery.
[0005] The technical solution adopted by the utility model to solve its technical problem is to construct a hydraulic clamping machine, which includes a first connecting piece and a second connecting piece. A slewing speed reducer is arranged between the first connecting piece and the second connecting piece. Hydraulic cylinders are respectively arranged on the upper parts of the left and right sides of the second connecting piece. The bottom end of the hydraulic cylinder is provided with an oil cylinder seat. Clamping arms are arranged on the left and right sides at the bottom end of the second connecting piece. Steel clamps are arranged at the bottom ends of the clamping arms. The steel clamps are movably connected with the oil cylinder seat.
[0006] According to the above scheme, hole seats are respectively arranged on the left and right sides at the upper end of the first connecting piece. A pin shaft is arranged in the hole seat. The first connecting piece is connected with an excavator through the pin shaft.
[0007] According to the above scheme, connecting shafts are respectively arranged on the left and right sides at the lower end of the second connecting piece. The second connecting piece is connected with the clamping arm through the connecting shaft.
[0008] According to the above scheme, hole seats are respectively arranged on the left and right sides at the upper parts of the second connecting piece. A pin shaft is arranged in the hole seat. The second connecting piece is connected with the hydraulic cylinder through the pin shaft.
[0009] According to the above solution, the slewing speed reducer can achieve a 360-degree rotation.
[0010] According to the above solution, the maximum angle of the clamping arms on the left and right sides is 180 degrees.
[0011] Implementing the hydraulic clamping machine of the present utility model has the following beneficial effects:
[0012] 1. The present utility model improves the construction operation environment, especially for special construction under limited conditions, reduces the number of construction workers participating in the operation, reduces the labor intensity of construction workers, maximizes work safety, reduces unsafe working factors, reduces the use frequency of cranes, and can significantly reduce the crane use cost; the clamped object does not slide or fall, the structural members have no cracks, and the hydraulic system does not leak oil.
[0013] 2. The present utility model is equipped with a double check valve to realize the operation of the slewing and clamping functions, combined with the operation of the lifting and lowering function handles of the hydraulic excavator, and realizes the functions of the bridge plate positioning in all directions and the hydraulic clamping force. The hydraulic slewing reducer solves the rotation problem in the direction, and the two hydraulic cylinders realize the clamping of the bridge plate, thus realizing the construction operation of the construction machinery for placing the bridge plate.
[0014] 3. Through the operation of the clamping machine, the present utility model reduces the impact of special terrains such as under high-voltage lines and narrow roads on safe operation, and through the operation of the clamping machine, reduces the impact of special weather conditions such as rainy days, snowy days, strong winds, and heavy fogs on safe operation, saves vehicle costs, reduces the use of cranes, and can complete the operation with fewer construction workers through the operation of the clamping machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following will further illustrate the present utility model in conjunction with the drawings and embodiments. In the drawings:
[0016] Figure 1 is a schematic structural diagram of the hydraulic clamping machine of the present utility model;
[0017] Figure 2 is a schematic structural diagram of the clamping arm in the horizontal direction when unfolded of the present utility model;
[0018] Figure 3 is a side view of the hydraulic clamping machine of the present utility model;
[0019] In the figure: 1. First connecting piece, 2. Second connecting piece, 3. Slewing speed reducer, 4. Hydraulic cylinder, 5. Cylinder seat, 6. Clamping arm, 7. Steel clamp, 8. Connecting shaft, 9. Hole seat, 10. Pin shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] In order to have a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described in detail with reference to the drawings.
[0021] As Figures 1-3 shown, the hydraulic clamping machine of the present utility model includes a first connecting member 1 and a second connecting member 2. A slewing speed reducer 3 is arranged between the first connecting member 1 and the second connecting member 2. Hydraulic cylinders 4 are respectively arranged on the upper parts of the left and right sides of the second connecting member 2. An oil cylinder seat 5 is arranged at the bottom end of the hydraulic cylinder 4. Clamping arms 6 are arranged on the left and right sides at the bottom end of the second connecting member 2. A steel clamp 7 is arranged at the bottom end of the clamping arm 6. The steel clamp 7 is movably connected to the oil cylinder seat 5.
[0022] Hole seats 9 are respectively arranged on the left and right sides at the upper end of the first connecting member 1. A pin shaft 10 is arranged in the hole seat 9. The first connecting member 1 is connected to an excavator through the pin shaft 10. Connecting shafts 8 are respectively arranged on the left and right sides at the lower end of the second connecting member 2. The second connecting member 2 is connected to the clamping arm 6 through the connecting shaft 8. Hole seats 9 are respectively arranged on the left and right sides at the upper parts of the second connecting member 2. A pin shaft 10 is arranged in the hole seat 9. The second connecting member 2 is connected to the hydraulic cylinder 4 through the pin shaft 10. The slewing speed reducer 3 can achieve a 360-degree rotation. The maximum angle of the clamping arms 6 on the left and right sides is 180 degrees.
[0023] In a preferred embodiment of the present utility model, a double pilot valve is installed at the top of the excavator to complete the slewing and clamping function operations, which can achieve a 360-degree rotation of an object, realized by the slewing speed reducer 3, and the clamping function is realized by the hydraulic cylinder 4. The pressure of the hydraulic system of this equipment is up to 34.3 Mpa, which is sufficient for the transfer of accessories in the drilling well site. It is connected to the excavator through the pin shaft 10 and the hole seat 9 arranged at the top of the processed first connecting member 1. The bottom of the first connecting member 1 is connected to the slewing speed reducer 3 as a whole. The lower end of the slewing speed reducer 3 is connected to the second connecting member 2. The lower end of the second connecting member 2 realizes the opening and closing actions of the hydraulic cylinder through the connecting shaft 8. A clamping arm 6 is arranged at the lower end of the connecting shaft 8. A steel clamp 7 is arranged at the bottom end of the clamping arm 6, so that the bridge plates of the well team can be smoothly loaded and placed. Through the original pin of the excavator combined with the function operation of the hydraulic excavator's rising and falling function handle, the main functions realized are the positioning of the bridge plates in all directions and the hydraulic clamping force. The hydraulic slewing reducer solves the problem of rotation in the direction, and the two hydraulic cylinders 4 realize the clamping of the bridge plates, thus realizing the construction operation of the construction machinery for placing the bridge plates.
[0024] In the preferred embodiment of the present utility model, the rated clamping weight is 1.5 tons, the working pressure is 16 MPa, the diameter of the hydraulic cylinder 4 is 80 mm, the width of the chuck is 1 m, the maximum clamping material length is 10 m, the maximum clamping material width is 1.3 m, the maximum clamping material thickness is 120 mm, and the completion time of a single clamping action is 5 seconds. The chuck is made of Q235B carbon structural steel, and the two clamping arms 6 are horizontally and vertically at the same level. The pressure relief amount of the hydraulic system within 10 seconds of pressure stabilization does not exceed 3%. When clamping a material with a length of 10 m, a width of 1.3 m, and a thickness of 120 mm, the inclination does not exceed 0.5°. The structural parts shall be subjected to ultrasonic flaw detection and there shall be no cracks. For the strength test of the hydraulic clamping machine, the test shall be carried out at 2.5 times the load. The self-weight of the hydraulic clamping machine is 23T, the length is 10.2m, the width is 3.2m, the height is 3.1m, the maximum load is 3T, the weight of one bridge plate is 1T, the hydraulic clamping machine can rotate 360°, the maximum opening of the clamping machine is 1.3m, the minimum opening is 0.4m, the clamping force is generated by the hydraulic pump of the excavator, the maximum power is 125KW, the maximum working pressure is 34.3MPa, and the maximum slewing radius is 9m.
[0025] When the excavator operator is on-site for construction, safety protection equipment shall be worn. The hydraulic clamping machine uses a hydraulic rotary motor to connect to the chuck for 360° rotation. The hydraulic clamping machine is used through the operation of the excavator, and two operation pedals are added. Rotary pedal: Step forward, the chuck rotates to the right; step backward, the chuck rotates to the left. Claw pedal: Step forward, the chuck opens; step backward, the chuck tightens. Step on the claw pedal three times continuously, and there will be a single-claw opening and closing once. The operator shall abide by the safety operation procedures and carry out standardized operations. As the working time extends, the parts and materials in the equipment may wear or change, and regular maintenance is required.
[0026] The embodiments of the present utility model have been described above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present utility model, those of ordinary skill in the art can also make many forms without departing from the purpose of the present utility model and the scope protected by the claims. All of these fall within the protection scope of the present utility model.
Claims
1. A hydraulic splint press, characterized in that, It includes a first coupling and a second coupling. A slewing reducer is arranged between the first coupling and the second coupling. Hydraulic cylinders are respectively arranged on the upper parts of the left and right sides of the second coupling. An oil cylinder seat is arranged at the bottom end of the hydraulic cylinder. Clamping arms are arranged on the left and right sides at the bottom end of the second coupling. A steel clamp is arranged at the bottom end of the clamping arm. The steel clamp is movably connected to the oil cylinder seat.
2. The hydraulic splint machine according to claim 1, characterized in that, Hole seats are respectively arranged on the left and right sides at the upper end of the first coupling. A pin shaft is arranged in the hole seat. The first coupling is connected to the excavator through the pin shaft.
3. The hydraulic splint press according to claim 1, characterized in that, Connecting shafts are respectively arranged on the left and right sides at the lower end of the second coupling. The second coupling is connected to the clamping arm through the connecting shaft.
4. The hydraulic splint press according to claim 1, characterized in that, Hole seats are respectively arranged on the upper parts of the left and right sides of the second coupling. A pin shaft is arranged in the hole seat. The second coupling is connected to the hydraulic cylinder through the pin shaft.
5. The hydraulic splint machine according to claim 1, wherein The slewing reducer can achieve a 360-degree turn.
6. The hydraulic splint machine according to claim 1, characterized in that, The maximum angle of the clamping arms on the left and right sides is 180 degrees.