A low-damage demolition device for recycling concrete support beams

Abstract

This invention discloses a low-damage demolition device for recycling concrete support beams, comprising: a combined load-bearing section, including a load-bearing trolley, telescopic outriggers connected to the load-bearing trolley, load-bearing I-beams mounted on the load-bearing trolley, and a connecting mechanism connecting the various load-bearing I-beams; a hydraulic rotating support system, including a hydraulic support section mounted on the hydraulic load-bearing trolley, a rotating section mounted on the hydraulic support section, and a support beam load-bearing section mounted on the rotating section, for supporting and stabilizing the support beam to be cut; and a support beam cutting section, including a cutting section load-bearing bracket mounted on the load-bearing I-beams and a cutting section mounted on the cutting section load-bearing bracket, for moving the cutting section up and down under the cutting section load-bearing bracket to cut the support beam. This invention uses a cutting machine to automatically cut the support beam, reducing manual labor and improving cutting efficiency.

Description

Technical Field

[0001] This invention relates to the field of building engineering technology, and in particular to a low-damage demolition device for the recycling of concrete support beams, which is suitable for the rapid demolition of protective support beams in foundation pit construction. Background Technology

[0002] With the development of urban spaces, support beams are usually installed during foundation pit excavation to ensure the safety of construction. However, these support beams must be removed before the next step can proceed during basement structure construction. The speed of support beam removal directly affects the project schedule and can lead to worker delays. Common removal methods include: 1. Blasting demolition; 2. Static blasting demolition; 3. Cutting demolition; 4. Demolition combining cutting and static crushing; 5. Waist beam removal. Cutting demolition is the most common method for removing support beams. Generally, manual labor is used in conjunction with a tower crane and a cutting saw to cut the concrete beam. This method is not only inefficient, but also poses operational risks due to the lack of coordination between the tower crane and the cutting workers. It is also unsuitable for removing large-area foundation pit support beams. Furthermore, the demolition process requires multiple pieces of construction machinery, leading to high construction costs. Additionally, the impact and hammering forces during demolition can create irreversible cracks inside the concrete support beam. The demolished concrete support beam needs to be recycled, but the violent demolition will reduce the quality of the concrete support beam when used to make recycled aggregate. Therefore, there is a need for a highly efficient, labor-saving, and time-saving device that can cut the concrete support beams of the foundation pit with minimal damage. Summary of the Invention

[0003] To address the problems existing in the prior art, the present invention aims to provide a low-damage demolition device for the recycling of concrete support beams. This device uses a cutting machine to automatically cut the support beams, reducing manpower input, improving cutting efficiency, reducing losses caused by cutting concrete beams, and meeting the cutting needs of support beams during construction.

[0004] To further achieve the above objectives, the present invention adopts the following technical solution: The present invention provides a low-damage demolition device for the recycling of concrete support beams, comprising:

[0005] The combined load-bearing component includes a load-bearing trolley, telescopic outriggers connected to the load-bearing trolley, load-bearing I-beams mounted on the load-bearing trolley, and a connecting mechanism connecting each load-bearing I-beam. It is used to move the load-bearing trolley, stabilize and level the entire device by using the telescopic outriggers, and adjust the angle between the load-bearing trolleys by using the connecting mechanism so that the support surface conforms to the angle of the support beam.

[0006] The hydraulic rotary support system includes a hydraulic support part mounted on a carrying trolley, a rotary part mounted on the hydraulic support part, and a support beam bearing part mounted on the rotary part. It is used to adjust the support angle by using the hydraulic support part as power and the rotary part and the support beam bearing part to follow the direction of the support beam, thereby supporting and stabilizing the support beam to be cut.

[0007] The support beam cutting section includes a cutting section support bracket mounted on the supporting I-beam and a cutting section mounted on the cutting section support bracket, which is used to cut the support beam by moving the cutting section up and down on the cutting section support bracket.

[0008] Optionally, the carrying trolley includes a frame and casters mounted on the bottom of the frame. The carrying I-beam includes two rotating support beams mounted on the top of the frame and placed side by side. One end of each of the two cut-part support beams is connected to the two rotating support beams, and the other end is connected to the side of the connecting mechanism.

[0009] The telescopic outrigger includes an outer fixed beam with an internal cavity structure, an inner telescopic beam nested within the internal cavity of the outer fixed beam, and a hydraulic cylinder outrigger installed at the end of the inner telescopic beam.

[0010] Furthermore, the connecting mechanism includes two side-by-side I-beams a and b, two small hydraulic cylinders a and b installed between the I-beams a and b, and a ball joint structure installed between the I-beams a and b.

[0011] The ball connection structure has flange mounting seats at both ends and a ball hinge connection structure in the middle. The flange mounting seats at both ends are connected to the middle positions of I-beam a and I-beam b, respectively.

[0012] Optionally, the hydraulic support portion includes a linear bearing mounted on the support portion's bearing beam, a guide rod passing through the inner hole of the linear bearing and coaxially engaged, a hydraulic cylinder push rod front end mounted below and hinged to the bearing steel plate, and a hydraulic cylinder connected to the hydraulic cylinder push rod front end, with one end of the guide rod connected to the bottom of the bearing steel plate.

[0013] Optionally, the rotating part includes a mounting base mounted on the upper surface of the bearing steel plate and a small hydraulic cylinder mounted on the side of the mounting base. The front end of the hydraulic cylinder push rod of the small hydraulic cylinder is connected to the crank through a pin hole; the large hole of the crank is connected to the support shaft through a keyway; and the flange base of the support base is mounted above the bearing steel plate.

[0014] Optionally, the support beam bearing portion includes a bracket base mounted on the top of the support shaft, a bearing bracket mounted on the upper end of the bracket base, a circular hydraulic cylinder mounting seat mounted on the bottom of the bearing bracket, a circular hydraulic cylinder mounted on the circular hydraulic cylinder mounting seat, and a clamping mechanism mounting seat mounted on the bearing bracket and the end of the circular hydraulic cylinder.

[0015] Multiple universal balls are evenly and fixedly installed on the top plate of the clamping mechanism mounting base; clamping cylinder a and clamping cylinder b are respectively installed on the two side mounting plates of the clamping mechanism mounting base, and small steel plates are connected to the heads of the telescopic rods of clamping cylinder a and clamping cylinder b.

[0016] Optionally, the cutting part includes a motor mounted on the lower part of the cutting machine base, a large pulley connected to the output shaft of the motor via a keyway, a small pulley a connected to the large pulley via a belt, a drive shaft mounted on the axis of the small pulley a, and a large cutting blade mounted coaxially with the drive shaft. The drive shaft drives the large cutting blade to rotate synchronously. The drive shaft is coaxially interference-fitted with a bearing housing, and the bearing housing is mounted on the cutting machine base. The protective cover is connected to the cutting machine base.

[0017] Optionally, the cutting section support bracket includes two I-beams placed vertically side by side and vertically installed on the support beam cutting section support beam, and two I-beam rail trolleys slidably installed on the two I-beams. The two I-beam rail trolleys are connected as a whole by square steel. A square steel is installed horizontally between the two I-beams, and a small pulley b is installed on the square steel above the cutting section support bracket.

[0018] Optionally, the support beam cutting section also includes an electrical component, which includes a device control box, a liquid storage tank, a water pump, and a stepper motor mounted on the cutting section's support bracket. The liquid storage tank is a rectangular hollow water storage container with an inlet and an outlet. The outlet is connected to the water pump's inlet via a water pipe, and the water pump's outlet is connected to a nozzle. A small pulley rotates synchronously with the pulley on the stepper motor via a belt, and the belt is connected to the cutting machine base of the cutting section.

[0019] Optionally, it also includes a hydraulic power system installed on the carrier trolley. The hydraulic power system includes a hydraulic system bracket, an oil reservoir installed on the hydraulic system bracket, a hydraulic system controller installed on the upper end of the hydraulic system bracket, a three-phase motor, an oil pump, and a solenoid valve group. The output shaft of the three-phase motor is matched with the input of the oil pump. The solenoid valve group consists of multiple solenoid valves. The output port of the solenoid valve group is connected to the oil inlet of each oil cylinder in the device through hydraulic oil pipes. The hydraulic power system is jointly controlled by the hydraulic system controller and the device control box.

[0020] In summary, this invention can quickly remove support beams and reduce costs. The device is highly practical and applicable to a wide range of scenarios, and its key technologies include: 1. Explosive demolition requires pre-drilling, involves a large workload, and is extremely complex, resulting in high costs. This device uses hydraulic static support, allowing direct cutting of the support structure upon arrival without affecting adjacent structures, eliminating the need for complex calculations; 2. Currently, wire sawing is commonly used for cutting demolition, which is inefficient and time-consuming. This device uses a quickly replaceable diamond saw blade for direct cutting, resulting in high efficiency, while water spraying provides cooling and dust suppression; 3. This device uses modular assembly, allowing for the connection and combination of lifting and cutting modules according to the length and position of the support beam, adapting to more scenarios and enhancing its practicality; 4. Compared to using an excavator's hydraulic breaker, this device provides static auxiliary support, minimizing impact damage to adjacent structures. 4. The support platform of this device is spatially adjustable, and can support not only horizontal straight support beams, but also curved beams and inclined support beams, making the device more flexible and reliable to use.

[0021] This device features the following key structural innovations: 1. While a single support beam is not large in volume, it contains reinforcing steel bars. The device utilizes diamond-coated saw blades, which are high-strength and wear-resistant, solving the problems of insufficient blade strength and rapid wear. A winch is used to automatically feed the cutting machine, eliminating the need for personnel to be on-site for extended periods. 2. The device employs a modular design, allowing for the free assembly and extension of support beams of different lengths via universal joints, facilitating movement, loading, and handling. 3. For cast curved beams, the universal joints allow for adjustment of the angles of each support module, conforming to the beam's curvature. 4. For upward-sloping support beams, each support module is equipped with an independent hydraulic cylinder and a platform rotation cylinder, ensuring each support platform can freely rotate and adjust in space, conforming to the beam's slope.

[0022] Compared with the prior art, the present invention has at least the following beneficial effects:

[0023] 1. The integrated steel frame structure improves the rigidity of the device and utilizes multiple hydraulically assisted support legs, which increases the stability of the device on complex terrain and also improves its load-bearing capacity.

[0024] 2. Support structure: Utilizing hydraulic lifting mechanism, rotating part, and angle changing mechanism, the support surface of the device can automatically adjust its angle in space to conform to the bottom surface of the support beam. It is suitable for support beams with complex structures such as horizontal, inclined, and curved surfaces, and has broad application prospects and strong practicality.

[0025] 3. The support beams are automatically cut using a cutting machine, reducing manpower input and improving cutting efficiency. Auxiliary components such as water cooling, circulating water tank, and dust cover are also provided to ensure stable operation of the equipment.

[0026] 4. The entire device adopts an automated control and servo control system. The hydraulic support automatically adapts the support surface to the angle of the support beam according to the hydraulic pressure state. At the same time, it can automatically complete the cutting of the support beam, reducing manpower, lowering costs, and improving work efficiency.

[0027] 5. The device is equipped with wheels at the bottom, allowing it to move freely on the construction site; the variable angle mechanism can support various curved beams, inclined beams and other complex beams, greatly improving the device's applicability and efficiency. Attached Figure Description

[0028] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0029] Figure 1 This is a structural diagram of the present invention;

[0030] Figure 2 This is an axial view of the rotating support portion of the present invention;

[0031] Figure 3 This is a structural diagram of the rotating support portion of the present invention;

[0032] Figure 4 This is a structural diagram of the hydraulic lifting and rotating parts of the present invention;

[0033] Figure 5 This is a bottom view of the hydraulic lifting and rotating part of the present invention;

[0034] Figure 6 This is a top view of the hydraulic lifting and rotating parts of the present invention;

[0035] Figure 7 This is a structural diagram of the load-bearing part of the support beam of the present invention;

[0036] Figure 8 This is an axial view of the load-bearing portion of the support beam in this invention;

[0037] Figure 9 This is a structural diagram of the support beam clamping mechanism of the present invention;

[0038] Figure 10 This is an axial view of the cut portion of the support beam of the present invention;

[0039] Figure 11 This is a structural diagram of the cut portion of the support beam of the present invention;

[0040] Figure 12 This is a structural diagram of the cutting machine of the present invention;

[0041] Figure 13 This is a diagram of the lifting transmission structure for the cutting part of the present invention;

[0042] Figure 14 This is a structural diagram of the support beam cutting section of the present invention;

[0043] Figure 15 This is a structural diagram of the combined load-bearing part of the present invention;

[0044] Figure 16 This is a structural diagram of the connection mechanism of the bearing unit of the present invention;

[0045] Figure 17 This is a structural diagram of the load-bearing frame of the present invention;

[0046] Figure 18 This is a structural diagram of the hydraulic power system of the present invention;

[0047] Figure 19 This is a structural diagram of the telescopic outrigger of the present invention.

[0048] In the picture:

[0049] 1000-Hydraulic Rotary Support System:

[0050] 1000a - Hydraulic rotary support system a, 1000b - Hydraulic rotary support system b, 1000c - Hydraulic rotary support system c, 1000d - Hydraulic rotary support system d;

[0051] 1100-Hydraulic support section:

[0052] 1101a-Guide rod a, 1101b-Guide rod b, 1101c-Guide rod c, 1101d-Guide rod d, 1102a-Linear bearing a, 1102b-Linear bearing b, 1102c-Linear bearing c, 1102d-Linear bearing d, 1103a-Hydraulic cylinder a, 1103b-Hydraulic cylinder b, 1104-Bearing steel plate, 1105a-Hydraulic cylinder push rod front end a, 1105b-Hydraulic cylinder push rod front end b, 1106a-Hinge seat a, 1106b-Hinge seat b;

[0053] 1200-Rotating section:

[0054] 1201-Mounting base, 1202-Hinged support, 1203-Small hydraulic cylinder, 1204-Hydraulic cylinder push rod front end, 1205-Crank, 1206-Support shaft, 1207-Support base;

[0055] 1300 - Support beam load-bearing part:

[0056] 1301-Bearing bracket, 1302-Bracket base, 1303a-Circular cylinder mounting seat a, 1303b-Circular cylinder mounting seat b, 1304a-Circular cylinder a, 1304b-Circular cylinder b, 1305a-Clamping cylinder a, 1305b-Clamping cylinder b, 1306-Clamping mechanism mounting seat, 1307-Universal ball, 1308a-Hinged support a, 1308b-Hinged support b, 1308c-Hinged support c, 1308d-Hinged support d;

[0057] 2000 - Support beam cutting section:

[0058] 2110 - Electrical Components:

[0059] 2111-Liquid storage tank; 2112-Device control box; 2113-Stepper motor; 2114-Water pump; 2115-Water collection tank;

[0060] 2200 - Cutting Section:

[0061] 2201-Cut machine base, 2202-Motor, 2203-Large pulley, 2204-Belt, 2205-Small pulley a, 2206-Drive shaft, 2207-Bearing housing, 2208-Large cutting disc, 2209-Protective cover;

[0062] 2300-Cut Section Support Bracket:

[0063] 2301a - I-beam a, 2301b - I-beam b, 2302a - I-beam rail trolley a, 2302b - I-beam rail trolley b, 2303 - Square steel, 2304 - Small pulley b; 2305 - Transmission belt;

[0064] 3000 - Modular load-bearing component:

[0065] 3100-Connecting Mechanism:

[0066] 3101a-I-beam c, 3101b-I-beam d, 3102a-Hinge c, 3102b-Hinge d, 3102c-Hinge e, 3102d-Hinge f, 3103-Ball connection structure, 3104a-Small hydraulic cylinder a, 3104b-Small hydraulic cylinder b;

[0067] 3200-Telescopic Outriggers:

[0068] 3201a-Hydraulic cylinder support leg a, 3201b-Hydraulic cylinder support leg b, 3202a-Inner telescopic beam a, 3202b-Inner telescopic beam b, 3203-Outer fixed beam;

[0069] 3300-Cargo Cart:

[0070] 3301 - Frame, 3302 - Casters;

[0071] 3400-Bearing I-beam:

[0072] 3401a - Rotary support section load-bearing beam a, 3401b - Rotary support section load-bearing beam b, 3402 - Support beam cut section load-bearing beam;

[0073] 4000-Hydraulic Power System:

[0074] 4001-Hydraulic system controller, 4002-Three-phase motor, 4003-Hydraulic system support, 4404-Oil reservoir, 4005-Oil pump, 4006-Solenoid valve assembly. Detailed Implementation

[0075] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0076] A low-damage demolition device for recycling concrete support beams, such as Figure 1-19 As shown, it includes a hydraulic rotary support system 1000, a support beam cutting section 2000, a combined load-bearing section 3000, and a hydraulic power system 4000; as Figure 1 As shown in the figure, the multiple hydraulic rotary support systems 1000 of the same specifications shown in this embodiment are hydraulic rotary support system a1000a, hydraulic rotary support system b1000b, hydraulic rotary support system c1000c, and hydraulic rotary support system d1000d. The combined bearing part 3000 can connect and combine four bearing trolleys 3300 through the bearing unit connecting mechanism 3100. The four hydraulic rotary support systems 1000 and two support beam cutting parts 2000 are installed on the bearing I-beam 3400 to construct a combined support beam quick removal device. The device is equipped with at least four hydraulic rotary support systems and two cutting parts for the following purposes: 1. Longer support beams will sink and collapse due to their own weight during the cutting process. Setting up supports can prevent the unremoved support beams from losing support and collapsing; 2. Setting up a support system in each cutting unit can prevent the support beam from shifting and deforming, causing the saw blade to be subjected to lateral force and damaging the saw blade. Figure 1The four hydraulic rotary support systems shown (a1000a, b1000b, c1000c, and d1000d) can adjust their angles by rotating and using hydraulic cylinders to accommodate support beams at different angles. For example, in a foundation pit, due to different stress structures, support beams with varying inclination angles, such as upwards, are often cast. During dismantling, the support platform needs to be tilted at a certain angle to align with the bottom surface, thereby supporting the support beam to be cut. When operating this device, the worker controls the solenoid valves corresponding to each cylinder in the connecting mechanism 3100, controlling the extension and retraction length of each cylinder. These mechanisms work together to rotate or tilt the bearing bracket 1301, supporting the tilted space. Support beams; simultaneously, for curved beams, workers manually control the on / off state of electromagnetic valves to change the extension and retraction lengths of each cylinder within the connecting mechanism 3100. Through the connecting mechanism 3100 of the bearing unit, the included angle of each bearing trolley 3300 on the plane is adjusted, so that the four hydraulic rotary support systems 1000 conform to the curved beam at a certain included angle. Hydraulic cylinders a1103a and b1103b are used as power to support the support beams, while clamping cylinders a1305a and b1305b are used to clamp the support beams to prevent them from moving during the cutting process. The two support beams are used to cut the section 2000, which moves from bottom to top, and the cutting section 2200 gradually cuts off the support beams. The cut section of the support beam is located above the clamping mechanism mounting base 1306 of the hydraulic rotary support system 1000b and hydraulic rotary support system 1000c. The telescopic rods of the circular cylinders a1304a and b1304b extend, and their telescopic movement drives the clamping mechanism mounting base 1306 to rotate around the pin hole axis of the hinged supports a1308a and c1308c. When the telescopic rods of the circular cylinders a1304a and b1304b are extended to their maximum length, they can push the clamping mechanism mounting base 1306 to rotate 120 degrees around the pin hole axis. The upper surface of the clamping mechanism mounting base 1306 faces the ground, causing the section of the support beam above it to slide onto the engineering vehicle that has been parked in advance, thus completing the removal of the first section of the cut beam.

[0077] However, the cut support beam loses its support, requiring the hydraulic rotary support system 1000 to continuously assist in bearing the weight. To solve this problem, a large number of universal balls 1307 are evenly fixed above the clamping mechanism mounting base 1306. Their spherical surfaces contact the bottom of the support beam, transferring the weight of the support beam to the clamping mechanism mounting base 1306 while allowing the clamping mechanism mounting base 1306 to move freely below the support beam. The device starts cutting from the rightmost end of the support beam. After removing the first section of the cut beam, the entire device moves to the left while supporting the remaining support beam. The hydraulic rotary support system 1000a will experience significant downward pressure from the support beam. The clamping mechanism mounting base 1306 has baffles on both sides for mounting hydraulic cylinders. The support beam is located between the baffles on both sides of the clamping mechanism mounting base 1306. When the device is tilted and unstable, the baffle of the clamping mechanism mounting seat 1306 will hit the side wall of the support beam. The support beam will exert a reaction force on the device through the baffle to prevent the device from tilting and ensure that it will not tip over. When working, the telescopic outriggers 3200 of the device will extend to support the entire device horizontally. The downward pressure of the support beam on the entire device is much greater than the lateral force caused by external disturbances, preventing the device from tipping over. When the device is not working, during movement, the hydraulic cylinders a1103a and b1103b will be controlled to retract to their lowest height, reducing the height of the upper support beam and lowering the center of gravity of the entire device to the lowest point. When the device moves on uneven ground, concrete counterweights can be placed under the frame of the trolley to further lower the center of gravity of the device. The device can also be disassembled into independent modules for movement, reducing the probability of tipping over due to inertia. For a closed annular support beam, multiple support columns are evenly spaced at the bottom during the casting of the annular beam. The device will cut between two support columns. Initially, the cutting will be close to one side of the support column. After cutting a section, the side will still be supported by the cast support column. According to the above-mentioned movement method, the device can still move to the left, and the support beam will not lose its support. When the distance between two support columns is less than the cutting and dismantling device shown in the figure, the device disconnects the connecting mechanism 3100. Two support parts and one cutting part are used between every two support columns. Adjacent cutting parts cut out a support beam. The two adjacent support parts can still use the powerful circular cylinders a1304a and b1304b telescopic rods to push the clamping mechanism mounting seat 1306 to rotate, so that the support beam above it is detached from the support column and slides onto the engineering vehicle parked in advance. According to the actual construction and device design ratio, the minimum combined length of two support parts and one cutting part is less than the common distance between support columns. If the distance between support columns is extremely short, the middle support column must be removed before cutting can be carried out.Once the device is moved to the cutting surface of the first cut by the hydraulic rotary support system 1000a; after all four hydraulic rotary support systems 1000a, 1000b, 1000c, and 1000d simultaneously support the support beam, the cutting of the next segment of the support beam begins in the same manner as the first segment; this process is repeated sequentially, and the support beam is removed segment by segment. The structural principle of this device is explained in detail below:

[0078] The hydraulic rotary support system 1000 includes a hydraulic support section 1100, a rotating section 1200, and a support beam bearing section 1300. The rotating section 1200 and the support beam bearing section 1300 adjust the support angle according to the orientation of the support beam. The hydraulic support section 1100 provides power, supporting and stabilizing the support beam to be cut through a lifting mechanism. The specific structures of each part are as follows:

[0079] The hydraulic support component 1100 includes guide rods a1101a, b1101b, c1101c, and d1101d; linear bearings a1102a, b1102b, c1102c, and d1102d; hydraulic cylinders a1103a and b1103b; a bearing steel plate 1104; hydraulic cylinder push rod front ends a1105a and b1105b; and hinge seats a1106a and b1106b. The logical relationships between these components are as follows:

[0080] The rotating support beam is fixedly installed above the frame 3301 of the trolley 3300. Mounting holes are provided on the rotating support beam at connection points with other parts. Linear bearings a1102a, b1102b, c1102c, and d1102d are fixedly installed on the rotating support beam. Guide rods a1101a, b1101b, and c1101c, which match the linear bearings 1102, are also provided. Guide rods d1101d pass through the inner holes of linear bearings a1102a, b1102b, c1102c, and d1102d respectively and are coaxially fitted, allowing the guide rods to move freely along the axial direction. One end of guide rods a1101a, b1101b, c1101c, and d1101d is fixedly connected to the bottom of the bearing steel plate 1104, ensuring that the bearing steel plate 1104 can only move along the axial direction of the guide rods. Hinged seats a1106a and b1106b are fixed below the bearing steel plate 1104 and are hinged to the holes of the front ends a1105a and b1105b of the hydraulic cylinder push rod, respectively. Hydraulic cylinders a1103a and b1103b are fixedly installed below the bearing beam of the support part. The front ends of their telescopic rods are fixedly connected to the front ends a1105a and b1105b of the hydraulic cylinder push rod by threads. The telescopic movement of hydraulic cylinders a1103a and b1103b can drive the bearing steel plate 1104 to move up and down to lift the support beam.

[0081] The rotating part 1200 consists of a mounting base 1201, a hinged support 1202, a small hydraulic cylinder 1203, a hydraulic cylinder push rod front end 1204, a crank 1205, a support shaft 1206, and a support base 1207. The positional relationship of each component is as follows:

[0082] The structure of the mounting base 1201 is as follows: Figure 6 As shown, the bottom is fixedly mounted on the upper surface of the bearing steel plate 1104, the hinge support 1202 is fixedly mounted on the side of the mounting base 1201, the tail of the small hydraulic cylinder 1203 is hinged to the hinge support 1202, and the front end 1204 of the hydraulic cylinder push rod of the small hydraulic cylinder 1203 is connected to the crank 1205 through a pin hole; at the same time, the large hole of the crank 1205 is connected to the support shaft 1206 through a keyway, and the rotation of the crank 1205 can drive the support shaft 1206 to rotate; the structure of the support base 1207 is as follows. Figure 6The flange base is bolted to the top of the bearing steel plate 1104. Two bearings are installed in the support base 1207 with an interference fit. The support shaft 1206 passes through the bearing inner hole and can rotate freely. Controlling the extension and retraction of the small hydraulic cylinder 1203 can drive the crank 1205 to rotate around the support shaft 1206. The bracket base 1302 is fixedly connected to the top of the support shaft 1206, which can drive the support beam bearing part 1300 to rotate, adjusting the angle to follow the direction of the support beam.

[0083] The supporting beam load-bearing part 1300 includes a load-bearing bracket 1301, a bracket base 1302, a circular cylinder mounting seat a1303a, a circular cylinder mounting seat b1303b, a circular cylinder a1304a, a circular cylinder b1304b, a clamping cylinder a1305a, a clamping cylinder b1305b, a clamping mechanism mounting seat 1306, a universal ball joint 1307, a hinge support a1308a, a hinge support b1308b, a hinge support c1308c, and a hinge support d1308d; the positional relationship of each component is as follows:

[0084] The support base 1302 is made of steel and is fixedly connected to the top of the support shaft 1206. The bottom surface of the support base 1302 is perpendicular to the axis of the support shaft 1206. The structure supporting the support 1301 is as follows: Figure 7 , 8 As shown, the triangular truss structure, composed of multiple welded square steel bars, has good stability. Its bottom is fixedly connected to the top of the support base 1302, allowing the weight of the support beam to be transferred to the support base 1302, support shaft 1206, bearing steel plate 1104, hydraulic cylinders a1103a and b1103b, which in turn support the weight of the support beam. Circular cylinder mounting seats a1303a and b1303b are arranged as follows... Figure 7 , 8The structure is fixedly installed at the bottom of the bearing bracket 1301. The tails of the circular hydraulic cylinders a1304a and b1304b are connected to the holes of the circular hydraulic cylinder mounting seats a1303a and b1303b respectively via pins. The cylinders can rotate freely relative to the circular hydraulic cylinder mounting seats a1303a and b1303b. Hinged supports a1308a, b1308b, c1308c, and d1308d are fixedly installed at the bottom of the clamping mechanism mounting seat 1306 via bolts. Hinged supports a1308a and c1308c are connected to the top of the bearing bracket 1301 via pins, and hinged supports b1308b and d1308d are connected to the circular hydraulic cylinders a1304a and b1304b via pins. a) The telescopic end of the circular hydraulic cylinder b1304b is connected. The telescopic movement of the circular hydraulic cylinders a1304a and b1304b can drive the clamping mechanism mounting base 1306 to rotate around the pin hole line of the hinged support a1308a and hinged support c1308c, which is used to adjust the support angle. At the same time, it can also flip down the cut support beam so that it falls into the engineering vehicle bed next to the device; the structure of the clamping mechanism mounting base 1306 is as follows: Figure 9 As shown, a large number of universal balls 1307 are evenly distributed and fixedly installed on the top of the base plate. The universal balls 1307 are of model SP45. The spherical surfaces of the universal balls contact the support beam, transferring the weight of the support beam to the clamping mechanism mounting base 1306. At the same time, the clamping mechanism mounting base 1306 can move freely under the support beam. There are cylinder mounting plates on both sides of the clamping mechanism mounting base 1306. The mounting plates are provided with mounting holes and holes for the cylinder push rods to extend. Clamping cylinders a1305a and b1305b are respectively fixedly installed on the clamping mechanism mounting base. On the mounting plates on both sides of the mounting base 1306, small steel plates are connected to the heads of the telescopic rods of clamping cylinders a1305a and b1305b. After the bottom of the support beam contacts the spherical surface of the universal ball 1307, the support beam is supported. When the telescopic rods of clamping cylinders a1305a and b1305b extend, they press tightly against the side of the support beam, clamping the support beam to prevent it from sliding during the cutting process. When the telescopic rods of clamping cylinders a1305a and b1305b retract, the support beam is released, making it easier to move the device or remove the support beam.

[0085] The working principle of the hydraulic rotary support system 1000 is as follows: When the hydraulic rotary support system 1000 is located below the support beam, controlling the extension and retraction of the small hydraulic cylinder 1203 can drive the crank 1205 to rotate around the support shaft 1206. The bracket base 1302 is fixedly connected to the top of the support shaft 1206, which can drive the support beam bearing part 1300 to rotate, adjusting the angle to follow the direction of the support beam; controlling the extension and retraction of the circular cylinders a1304a and b1304b drives the clamping mechanism mounting seat 1306 to rotate around the hinge. Rotate the pin hole axis of the connecting support a1308a and the hinged support c1308c to readjust the support angle; adjust the extension length of the hydraulic cylinders a1103a and b1103b to raise the support beam bearing part 1300 until the spherical surface of the universal ball contacts the support beam, transferring the weight of the bearing support beam to the clamping mechanism mounting seat 1306. When the extension rods of the clamping cylinders a1305a and b1305b are extended, they press tightly against the side of the support beam to clamp the support beam and prevent it from sliding during the cutting process. After the support beam is cut off by the cutting section 2000, the telescopic rods of clamping cylinders a1305a and b1305b are retracted, releasing the support beam. The telescopic rods of circular cylinders a1304a and b1304b extend, and their extension and retraction movements drive the clamping mechanism mounting base 1306 to rotate around the pin hole axis of hinged supports a1308a and c1308c. When the telescopic rods of circular cylinders a1304a and b1304b are extended to their maximum length, they can push the clamping mechanism mounting base 1306 to rotate 120 degrees around the pin hole axis. The upper surface of the clamping mechanism mounting base 1306 faces the ground, causing the section of support beam above it to slide onto the engineering vehicle that has been parked nearby in advance, thus completing the cutting and dismantling of the support beam.

[0086] The support beam cutting section 2000 includes an electrical section 2110, a cutting section 2200, and a cutting section support bracket 2300. The cutting section support bracket 2300 serves as the main support structure, and the cutting section 2200 can move on it. During support, the hydraulic rotary support system 1000 is located directly below the support beam to be cut. To prevent interference when the device supports the support beam from bottom to top, the cutting machine of the cutting section 2200 initially touches the support beam first. During operation, the cutting machine... The support beam is gradually cut from bottom to top; simultaneously, the device is hydraulically adjusted to a horizontal support, and the cutting section 2200 moves vertically up and down relative to the device. The cutting section 2200 does not employ an inclined cut, which structurally reduces manufacturing costs but does not affect the process of cutting the support beam; it simply creates cut surfaces at different angles. The hydraulic rotating support system 1000 can adjust the inclination angle of the support surface to support support beams with different inclination angles. The device control box 2112 includes a PLC controller and a hydraulic servo control system, which can precisely control the actions of each hydraulic cylinder within the device to complete the actions of each mechanism. The specific structural principles of the above-mentioned major parts are as follows:

[0087] The electrical component 2110 includes a liquid storage tank 2111, a device control box 2112, a stepper motor 2113, and a water pump 2114. The logical relationships between the components are as follows:

[0088] The liquid storage tank 2111 is a rectangular hollow water storage container. Water can be added into it through the inlet, and the outlet is connected to the inlet of the water pump 2114 through a water pipe. The outlet is connected to a nozzle. The water pump 2114 draws water from the liquid storage tank 2111 and sprays it onto the large cutting blade 2208 through the nozzle to reduce the temperature of the large cutting blade 2208 and suppress the dust generated during the cutting process of the support beam. The water collection tank 2115 is fixed below the cutting machine base 2201 of the cutting part 2200. Its structure is a rectangular open container. Its outlet is filtered through a mesh screen and connected to the inlet of the liquid storage tank 2111 through a water pipe. Most of the sprayed water falls into the water collection tank 2115, is filtered through the mesh screen, and flows back to the liquid storage tank 2111, realizing water recycling. The device control box 2112 is fixed on the cutting section support bracket 2300. It contains a PLC controller and a hydraulic servo control system, which can control the hydraulic power system 4000, thereby precisely controlling the movement of each hydraulic cylinder within the device to complete the actions of each mechanism. For example... Figure 13 As shown, the stepper motor 2113 is powered by a stepper motor, and after being reduced in speed by a matching reducer, the power is output to the pulley on the output shaft. The small pulley b2304 on the cutting section support bracket 2300 rotates synchronously with the pulley on the stepper motor 2113 via the transmission belt 2305. Figure 13In the middle, the upper part of the transmission belt 2305 is locked to the square steel of the cutter base 2201 by a U-shaped buckle. The transmission belt 2305 is fixedly connected to the cutter base 2201 of the cutting part 2200. When the transmission belt 2305 rotates forward and backward, it can drive the cutting part 2200 to move up and down. The stepper motor 2113 can precisely control the rotation angle and speed. The stepper motor 2113 is model 57XG05. It can precisely control the speed and displacement of the cutting part 2200 moving up and down, and thus control the feed amount and feed speed of the support beam.

[0089] The cutting section 2200 includes a cutting machine base 2201, a motor 2202, a large pulley 2203, a belt 2204, a small pulley a 2205, a drive shaft 2206, a bearing housing 2207, a large cutting blade 2208, and a protective cover 2209. The positional relationship of each component is as follows:

[0090] The structure of the cutting machine base 2201 is as follows: Figure 12 As shown, a steel base is welded from multiple square steel bars, with mounting holes provided at positions for installation with other parts; the base of the motor 2202 is fixed to a lower position on the cutting machine base 2201, and the model of the motor 2202 is 5IK90A-CF. The large pulley 2203 is connected to the output shaft of the motor 2202 via a keyway and can rotate synchronously with the output shaft of the motor 2202; the transmission shaft 2206 is coaxially interference-fitted with two bearing seats 2207, and the two bearing seats 2207 are respectively fixedly installed on the cutting machine base 2201 by bolts, and the bearing seats 2207 provide support and fixation for the transmission shaft 2206. The small pulley a2205 is coaxially keyed to the end of the drive shaft 2206, allowing them to rotate synchronously. The large pulley 2203 and the small pulley a2205 are connected by a belt 2204. The motor 2202 outputs power to the large pulley 2203, which is then transmitted to the small pulley a2205 via the belt 2204, thereby driving the drive shaft 2206 to rotate. The large cutting blade 2208 is coaxially fixed to the other end of the drive shaft 2206 by bolts, and the drive shaft 2206 drives the large cutting blade 2208 to rotate synchronously. The protective cover 2209 is shaped as follows: Figure 12 As shown, its mounting holes are fixedly connected to the base 2201 of the cutting machine by bolts, which is used to prevent concrete powder generated by the large cutting blade 2208 from splashing everywhere during the cutting of the ring beam, and to prevent concrete fragments from splashing and injuring people.

[0091] The cutting section support bracket 2300 includes I-beam a2301a, I-beam b2301b, I-beam rail trolley a2302a, I-beam rail trolley b2302b, square steel 2303, and small pulley b2304. The positional relationship of each component is as follows:

[0092] The I-beams a2301a and b2301b are fixed to the support beam cut section bearing beam 3402 and are perpendicular to the support beam cut section bearing beam 3402; the structure of the I-beam track trolleys a2302a and b2302b is as follows: Figure 14 As shown, it is composed of square steel and small wheels, and can move along the axis of the I-beam within the side groove of the I-beam. The I-beam track trolleys a2302a and b2302b are fixedly connected as a whole by square steel 2303. At the same time, square steel is used to connect I-beams a2301a and b2301b as a whole. The I-beam track trolleys can move vertically up and down. The lower surface of the cutting machine base 2201 is fixedly connected to the square steel above the I-beam track trolleys. The I-beam track trolleys provide guidance and support for the cutting part 2200, restricting the cutting part 2200 to only move vertically up and down. The small pulley b2304 is fixed on the square steel above the support bracket 2300 of the cutting section. It rotates synchronously with the pulley on the stepper motor 2113 via a belt. At the same time, the transmission belt 2305 is fixedly connected to the cutting machine base 2201 of the cutting section 2200. When the belt rotates, it can drive the cutting section 2200 to move up and down. The stepper motor 2113 can precisely control the rotation angle and speed, which can precisely control the speed and displacement of the cutting section 2200 moving up and down, and thus control the feed amount and feed speed of the support beam.

[0093] The specific working principle of the support beam cutting section 2000 is as follows: The cutting section support bracket 2300, as the main support structure, is fixed on the support beam 3402 of the support beam cutting section. The cutting section 2200 moves vertically up and down on I-beams a2301a and b2301b via an I-beam rail trolley. The large cutting blade 2208, rotating at high speed, gradually feeds and cuts the support beam. A water pump 2114 sprays water to cool the beam and suppress dust. A stepper motor 2113 precisely controls the feed displacement and feed speed to ensure stable operation. When the large cutting blade 2208 is severely worn, it can be quickly replaced. After the support beam is cut, the stepper motor 2113 rotates in the reverse direction, driving the transmission belt 2305 to move and lower the cutting section 2200 back to its original position, completing the cutting of that section of the support beam.

[0094] The combined load-bearing component 3000 includes a connecting mechanism 3100, telescopic outriggers 3200, a load-bearing trolley 3300, and load-bearing I-beams 3400. The load-bearing trolley 3300 serves as the bottom load-bearing structure, primarily responsible for supporting the weight of the device and moving it to a designated position. The telescopic outriggers 3200 are hydraulic outriggers, fixedly connected to the load-bearing trolley 3300. During operation, the telescopic outriggers 3200 are lowered to lift the device off the ground, stabilizing and leveling the entire device. The connecting mechanism 3100 connects the various load-bearing I-beams 3400, integrating the functional units into a whole. Simultaneously, the connecting mechanism 3100 can be used to adjust the angle of each load-bearing trolley 3300 on the plane, ensuring the four hydraulic rotary support systems 1000 conform to the curved beam at a certain angle, thus supporting the curved beam. The load-bearing I-beams 3400 are welded from I-beams and primarily bear and stabilize the rotary support component and the cut portion of the support beam. When the device is not in operation, during movement, hydraulic cylinders a1103a and b1103b are controlled to retract to their lowest height, reducing the height of the upper support beam and lowering the center of gravity of the entire device. When moving the device on sloping or uneven surfaces, concrete counterweights can be placed under the frame of the trolley to further lower the center of gravity. The device can also be disassembled into independent modules for movement, reducing the probability of tipping over due to inertia. If the slope is too steep, manual or mechanical assistance is required for movement. After the device is disassembled into independent modules, each module is relatively lightweight and can be manually pushed and placed under the support beam. The position can be finely adjusted using hydraulic outriggers and connecting mechanism 3100.

[0095] The connecting mechanism 3100 includes I-beams c3101a and d3101b, hinge seats c3102a, d3102b, e3102c, f3102d, ball joint structure 3103, small hydraulic cylinders a3104a and b3104b. The positional relationship of each component is as follows:

[0096] The side of the I-beam a3101 is fixedly connected to the load-bearing beam a3401a of the rotating support section, and the side of the I-beam d3101b is fixedly connected to the load-bearing beam 3402 of the cut section of the support beam; the hinge seat c3102a and hinge seat d3102b are configured as follows... Figure 16 The positions shown are fixed to both ends of the side of the I-beam c3101a by bolts; the hinge seats e3102c and f3102d are installed as follows: Figure 16The positions shown are fixed to both ends of the side of the I-beam d3101b with bolts; the tail of the small hydraulic cylinders a3104a and b3104b has pin holes, and a universal ball is embedded in the pin hole at the head of its telescopic rod, with a through hole in the center of the universal ball; the tail pin hole of the small hydraulic cylinder a3104a is connected to the pin hole of the hinge seat f3102d through a pin shaft, and the through hole of the universal ball embedded in the head of its telescopic rod is connected to the pin hole of the hinge seat c3102a through a pin shaft. When the relative positions of I-beams c3101a and d3101b change, the cylinder body and telescopic rod of the small hydraulic cylinder a3104a will not be subjected to non-axial forces, thus preventing damage to the small hydraulic cylinder a3104a. The tail pin hole of the small hydraulic cylinder b3104b is connected to the pin hole of the hinge seat e3102c via a pin shaft, and the through hole of the universal ball embedded in the head of its telescopic rod is connected to the pin hole of the hinge seat d3102b via a pin shaft. When the relative positions of I-beams c3101a and d3101b change, the cylinder body and telescopic rod of the small hydraulic cylinder a3104a will not be subjected to non-axial forces, thus preventing damage to the small hydraulic cylinder a3104a. When the relative position of I-beam d3101b changes, the cylinder body and telescopic rod of small hydraulic cylinder b3104b will not be subjected to non-axial forces, thus preventing damage to small hydraulic cylinder b3104b. The ball connection structure 3103 is shown in the figure. Both ends are flange mounting seats, and the middle is a ball hinge connection structure. When the device cuts curved beams or travels on uneven roads, the modules need to form relative angles that are constantly changing. The ball hinge connection structure realizes a soft connection between the modules, which facilitates the adjustment of the included angle between the modules and reduces the mutual constraints and lateral forces between the modules on uneven roads. The flange mounting seats at both ends are fixedly connected to the middle position of the side of I-beam c3101a and I-beam d3101b respectively by bolts. I-beam c3101a and I-beam d3101b can form included angles on the horizontal and vertical planes, which meets the requirements of each unit of the device working on complex ground and adjusts the included angles between multiple rotating support parts to support and stabilize the curved beam. When the telescopic rod of small hydraulic cylinder a3104a extends, the telescopic rod of small hydraulic cylinder b3104b retracts, and the hydraulic rotary support system b1000b rotates to the left relative to the hydraulic rotary support system a1000a at a certain angle; when the telescopic rod of small hydraulic cylinder a3104a retracts, the telescopic rod of small hydraulic cylinder b3104b extends, and the hydraulic rotary support system b1000b rotates to the right relative to the hydraulic rotary support system a1000a at a certain angle. According to the curvature of the curved beam, the extension or retraction length of the telescopic rods of small hydraulic cylinders a3104a and b3104b can be freely adjusted to complete the support work of the curved beam.

[0097] The telescopic outrigger 3200 consists of hydraulic cylinder outrigger a3201a, hydraulic cylinder outrigger b3201b, inner telescopic beam a3202a, inner telescopic beam b3202b, and outer fixed beam 3203. The logical relationship between the components is as follows:

[0098] The telescopic outrigger 3200 has the same structure as the crane outrigger. The upper surface of the outer fixed beam 3203 is fixedly connected to the frame 3301 of the trolley 3300. The interior of the outer fixed beam 3203 is a hollow structure. The inner telescopic beams a3202a and b3202b are nested in the hollow interior of the outer fixed beam 3203. The inner telescopic beams a3202a and b3202b can move axially along the outer fixed beam 3203. The cylinder bodies of the hydraulic cylinder outriggers a3201a and b3201b are bolted to the ends of the inner telescopic beams a3202a and b3202b. The telescopic rods of the hydraulic cylinder outriggers a3201a and b3201b point downwards. When the telescopic rods extend... After contacting the ground, the extension beams continue to extend, lifting the inner telescopic beams a3202a, b3202b, and outer fixed beam 3203, raising and leveling the entire device. The hydraulic cylinder legs a3201a and b3201b bear the weight of the entire device and the load of the support beam to be cut above. When the device is not in operation, the inner telescopic beams a3202a and b3202b retract into the cavity of the outer fixed beam 3203 and are locked with locking pins, saving space. The telescopic rods of the hydraulic cylinder legs a3201a and b3201b are in the retracted state, and the weight of the device is borne by the carrying trolley 3300. The carrying trolley 3300 can be connected to the engineering machinery via steel wire ropes, allowing the engineering machinery to move the entire device. When the device is in operation, the telescopic beam a3202a and the inner telescopic beam b3202b are manually pulled out and locked by the locking pins to prevent them from retracting into the cavity of the outer fixed beam 3203. The telescopic rods of the hydraulic cylinder support legs a3201a and b3201b extend downwards and continue to extend after contacting the ground, which can lift the inner telescopic beam a3202a, the inner telescopic beam b3202b and the outer fixed beam 3203, raising and leveling the entire device, providing a horizontal working environment for the device and ensuring the stability of the device during operation.

[0099] The carrier trolley 3300 includes a frame 3301 and casters 3302. The positional relationship of each component is as follows:

[0100] The frame 3301 structure is as follows Figure 17 As shown, it is a high-strength steel frame structure with four casters 3302 fixedly connected at the four corners of its bottom. These casters can bear the weight of the device and move the entire device to the designated working position. The casters have good turning characteristics, making the device more flexible.

[0101] The load-bearing I-beam 3400 includes a rotating support portion load-bearing beam a3401a, a rotating support portion load-bearing beam b3401b, and a support beam cut portion load-bearing beam 3402. The positional relationship of each component is as follows:

[0102] The rotating support section bearing beams a3401a and b3401b are fixedly installed above the frame 3301 of the carrying trolley 3300, serving to support and stabilize the rotating support section and transfer the weight of the support beams to the carrying trolley 3300. The two ends of the support beam cutting section bearing beam 3402 are fixedly connected to the I-beam d3101b and the rotating support section bearing beam b3401b by welding, serving to support and stabilize the cutting section. Simultaneously, the bearing I-beam 3400 connects the various working units into a whole, supporting and stabilizing the entire device.

[0103] The working principle of the combined load-bearing section 3000 is as follows: The load-bearing trolley 3300 serves as the bottom load-bearing structure, mainly responsible for bearing the weight of the device and moving the device to the designated position; the telescopic outriggers 3200 are hydraulic outriggers, fixedly connected to the load-bearing trolley 3300. When the device is working, the telescopic outriggers 3200 are lowered to support the device off the ground, used to stabilize and level the entire device; when the device is not working, the inner telescopic beams a3202a and b3202b retract into the cavity of the outer fixed beam 3203 and are locked by locking pins, saving space occupied by the device. The telescopic rods of the hydraulic cylinder outriggers a3201a and b3201b are in the retracted state, and the weight of the device is borne by the load-bearing trolley 3300. The load-bearing trolley 3300 can be connected to the engineering machinery via steel wire ropes, and the engineering machinery can drag the entire device to move. When the device is in operation, the telescopic beam a3202a and the inner telescopic beam b3202b are manually pulled out and locked by locking pins to prevent them from retracting into the cavity of the outer fixed beam 3203. The telescopic rods of the hydraulic cylinder legs a3201a and b3201b extend downwards, and continue to extend after contacting the ground, which can lift the inner telescopic beam a3202a, the inner telescopic beam b3202b, and the outer fixed beam 3203, raising and leveling the entire device. The device provides a horizontal working environment and ensures stability during operation. The connecting mechanism 3100 connects the various load-bearing I-beams 3400. The flange mounting seats at both ends are fixedly connected to the middle positions of the sides of I-beams c3101a and d3101b respectively using bolts. I-beams c3101a and d3101b can form an angle in both the horizontal and vertical planes, allowing the devices to operate on complex terrain and adjusting the angles between multiple rotating support parts to support and stabilize the curved beam. The load-bearing I-beams 3400 are welded from I-beams and primarily bear and stabilize the rotating support parts and the cut sections of the support beam.

[0104] The hydraulic power system 4000 includes a hydraulic system controller 4001, a three-phase electric motor 4002, a hydraulic system support 4003, an oil reservoir 4004, an oil pump 4005, and a solenoid valve assembly 4006. The positional relationship of each component is as follows:

[0105] The hydraulic system support bracket 4003 serves as the supporting frame. The oil reservoir 4004 is a sealed oil tank fixedly connected to the hydraulic system support bracket 4003. The oil reservoir 4004 stores hydraulic oil. The base of the three-phase motor 4002 is fixedly connected to the hydraulic system support bracket 4003 by bolts. The base of the oil pump 4005 is also fixedly connected to the hydraulic system support bracket 4003 by bolts. The output shaft of the three-phase motor 4002 is matched with the power input end of the oil pump 4005 to transmit power to the oil pump 4005. The oil pump 4005 draws oil from the oil reservoir 4003. The hydraulic oil in 04 is pressurized and output through the hydraulic oil pipe to the oil inlet of the solenoid valve group 4006. The solenoid valve group 4006 consists of multiple solenoid valves, the solenoid valve model is DSG-02-3C2, and its output port is opened or closed by switching on and off the power. The output port of the solenoid valve group 4006 is connected to the oil inlet of each oil cylinder in the device through the hydraulic oil pipe. The hydraulic power system 4000 is jointly controlled by the hydraulic system controller 4001 and the device control box 2112, thereby controlling the action of each oil cylinder, so that the set mechanism works according to the set action.

[0106] The working principle of the entire device is as follows:

[0107] 1. Support Operation: When the hydraulic rotary support system 1000 is located below the support beam, controlling the extension and retraction of the small hydraulic cylinder 1203 can drive the crank 1205 to rotate around the support shaft 1206. The bracket base 1302 is fixedly connected to the top of the support shaft 1206, which can drive the support beam bearing part 1300 to rotate, adjusting the angle to conform to the direction of the support beam; controlling the extension and retraction of the circular cylinders a1304a and b1304b drives the clamping mechanism mounting seat 1306 to rotate around the hinged support a13 Rotate the pin hole axis of 08a and hinge support c1308c to readjust the support angle; adjust the extension length of hydraulic cylinders a1103a and b1103b to raise the support beam bearing part 1300 until the spherical surface of the universal ball contacts the support beam, transferring the weight of the bearing support beam to the clamping mechanism mounting seat 1306. When the extension rods of clamping cylinders a1305a and b1305b are extended, they press tightly against the side of the support beam to clamp the support beam and prevent it from sliding during the cutting process. After the support beam is cut off by the cutting section 2000, the telescopic rods of clamping cylinders a1305a and b1305b are retracted, releasing the support beam. The telescopic rods of circular cylinders a1304a and b1304b extend, and their extension and retraction movements drive the clamping mechanism mounting base 1306 to rotate around the pin hole axis of hinged supports a1308a and c1308c. When the telescopic rods of circular cylinders a1304a and b1304b are extended to their maximum length, they can push the clamping mechanism mounting base 1306 to rotate 120 degrees around the pin hole axis. The upper surface of the clamping mechanism mounting base 1306 faces the ground, causing the section of support beam above it to slide onto the engineering vehicle parked nearby in advance. The engineering vehicle then transports the beam out, completing the cutting and dismantling of the support beam. For supporting the curved beam: control the movement of small hydraulic cylinders a3104a and b3104b. When the telescopic rod of small hydraulic cylinder a3104a extends, the telescopic rod of small hydraulic cylinder b3104b retracts, and the hydraulic rotary support system b1000b rotates to the left relative to the hydraulic rotary support system a1000a at a certain angle; when the telescopic rod of small hydraulic cylinder a3104a retracts, the telescopic rod of small hydraulic cylinder b3104b extends, and the hydraulic rotary support system b1000b rotates to the right relative to the hydraulic rotary support system a1000a at a certain angle. According to the curvature of the curved beam, the extension or retraction length of the telescopic rods of small hydraulic cylinders a3104a and b3104b can be freely adjusted to complete the support work of the curved beam.

[0108] 2. Cutting Operation: The supporting bracket 2300 of the cutting section serves as the main supporting structure, fixed to the supporting beam 3402 of the cutting section. The cutting section 2200 moves vertically up and down on I-beams a2301a and b2301b via an I-beam rail trolley. The large cutting blade 2208, rotating at high speed, gradually feeds and cuts the supporting beam. A water pump 2114 sprays water to cool the beam and suppress dust. A stepper motor 2113 precisely controls the feed displacement and speed, ensuring stable operation. The large cutting blade 2208 can be quickly replaced when severely worn. After the supporting beam is cut, the stepper motor 2113 rotates in the reverse direction, driving the transmission belt 2305 to move and lower the cutting section 2200 back to its original position, completing the cutting of that section of the supporting beam.

[0109] 3. Modular Load-Bearing Structure: The load-bearing trolley 3300 serves as the bottom load-bearing structure, primarily responsible for supporting the weight of the device and moving it to the designated position. The telescopic outriggers 3200 are hydraulic outriggers, fixedly connected to the load-bearing trolley 3300. When the device is in operation, the telescopic outriggers 3200 are lowered to support the device off the ground, used for stabilizing and leveling the entire device. When the device is not in operation, the inner telescopic beams a3202a and b3202b retract into the cavity of the outer fixed beam 3203 and are locked by locking pins, saving space occupied by the device. The telescopic rods of the hydraulic cylinder outriggers a3201a and b3201b are in the retracted state, and the weight of the device is borne by the load-bearing trolley 3300. The load-bearing trolley 3300 can be connected to engineering machinery via steel wire ropes, allowing the engineering machinery to move the entire device. When the device is in operation, the telescopic beam a3202a and the inner telescopic beam b3202b are manually pulled out and locked by the locking pins to prevent them from retracting into the cavity of the outer fixed beam 3203. The telescopic rods of the hydraulic cylinder support legs a3201a and b3201b extend downwards and continue to extend after contacting the ground, which can lift the inner telescopic beam a3202a, the inner telescopic beam b3202b and the outer fixed beam 3203, raising and leveling the entire device, providing a horizontal working environment for the device and ensuring the stability of the device during operation. The connecting mechanism 3100 of the load-bearing unit is used to connect each load-bearing I-beam 3400. The flange mounting seats at both ends are fixedly connected to the middle position of the side of I-beams c3101a and d3101b respectively by bolts. I-beams c3101a and d3101b can form an angle in the horizontal and vertical planes to meet the requirements of each unit of the device working on complex ground, and to adjust the angle between multiple rotating support parts to support and stabilize the curved beam. The load-bearing I-beam 3400 is composed of welded I-beams and mainly bears and stabilizes the rotating support parts and the cut parts of the support beam.

[0110] The above description is merely a preferred embodiment of the present invention, and should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A low-damage demolition device for the recycling of concrete support beams, characterized in that, include: The combined load-bearing section (3000) includes a load-bearing trolley (3300), telescopic outriggers (3200) connected to the load-bearing trolley (3300), load-bearing I-beams (3400) mounted on the load-bearing trolley (3300), and a connecting mechanism (3100) connecting each load-bearing I-beam (3400). The load-bearing trolley (3300) is moved, the telescopic outriggers (3200) are used to stabilize and level the entire device, and the connecting mechanism (3100) is used to adjust the angle between the load-bearing trolleys (3300) so that the support surface conforms to the angle of the support beam. A hydraulic rotary support system (1000) includes a hydraulic support part (1100) mounted on a carrying trolley (3300), a rotary part (1200) mounted on the hydraulic support part (1100), and a support beam bearing part (1300) mounted on the rotary part (1200). The system uses the hydraulic support part (1100) as power to adjust the support angle according to the direction of the support beam by using the rotary part (1200) and the support beam bearing part (1300) to support and stabilize the support beam to be cut. The support beam cutting section (2000) includes a cutting section support bracket (2300) mounted on the support I-beam (3400) and a cutting section (2200) mounted on the cutting section support bracket (2300) for moving the cutting support beam up and down on the cutting section support bracket (2300) via the cutting section (2200).

2. The low-damage demolition device for recycling concrete support beams according to claim 1, characterized in that, The carrying trolley (3300) includes a frame (3301) and casters (3302) mounted on the bottom of the frame (3301). The carrying I-beam (3400) includes two rotating support portion carrying beams and a support beam cutting portion carrying beam (3402) mounted on the frame (3301) and placed side by side. One end of the two support beam cutting portion carrying beams (3402) is connected to the two rotating support portion carrying beams respectively, and the other end is connected to the side of the connecting mechanism (3100). The telescopic outrigger (3200) includes an outer fixed beam (3203) with an internal cavity structure, an inner telescopic beam nested in the internal cavity of the outer fixed beam (3203), and a hydraulic cylinder outrigger installed at the end of the inner telescopic beam.

3. The low-damage demolition device for recycling concrete support beams according to claim 2, characterized in that, The connecting mechanism (3100) includes two parallel I-beams c (3101a) and d (3101b), a small hydraulic cylinder a (3104a) and a small hydraulic cylinder b (3104b) installed between the I-beams c (3101a) and d (3101b), and a ball joint structure (3103) installed between the I-beams c (3101a) and d (3101b). The ball connection structure (3103) has flange mounting seats at both ends and a ball hinge connection structure in the middle. The flange mounting seats at both ends are connected to the middle positions of I-beam c (3101a) and I-beam d (3101b), respectively.

4. The low-damage demolition device for recycling concrete support beams according to claim 3, characterized in that, The hydraulic support part (1100) includes a linear bearing mounted on the bearing beam of the rotating support part, a guide rod passing through the inner hole of the linear bearing and coaxially engaged, a hydraulic cylinder push rod front end mounted below and hinged to the bearing steel plate (1104), and a hydraulic cylinder connected to the hydraulic cylinder push rod front end. One end of the guide rod is connected to the bottom of the bearing steel plate (1104).

5. The low-damage demolition device for recycling concrete support beams according to claim 4, characterized in that, The rotating part (1200) includes a mounting base (1201) mounted on the upper surface of the bearing steel plate (1104) and a small hydraulic cylinder (1203) mounted on the side of the mounting base (1201). The front end (1204) of the hydraulic cylinder push rod of the small hydraulic cylinder (1203) is connected to the crank (1205) through a pin hole. The large hole of the crank (1205) is connected to the support shaft (1206) through a keyway. The flange base of the support base (1207) is mounted above the bearing steel plate (1104). Two bearings are installed in the support base (1207) by interference fit. The support shaft (1206) passes through the inner hole of the bearing and can rotate freely.

6. The low-damage demolition device for recycling concrete support beams according to claim 5, characterized in that, The supporting beam bearing portion (1300) includes a bracket base (1302) mounted on the top of the supporting shaft (1206), a bearing bracket (1301) mounted on the upper end of the bracket base (1302), a circular hydraulic cylinder mounting seat mounted on the bottom of the bearing bracket (1301), a circular hydraulic cylinder mounted on the circular hydraulic cylinder mounting seat, and a clamping mechanism mounting seat (1306) mounted on the bearing bracket (1301) and the end of the circular hydraulic cylinder. Multiple universal balls (1307) are evenly and fixedly installed on the top plate of the clamping mechanism mounting base (1306); clamping cylinder a (1305a) and clamping cylinder b (1305b) are respectively installed on the two side mounting plates of the clamping mechanism mounting base (1306), and small steel plates are connected to the heads of the telescopic rods of clamping cylinder a (1305a) and clamping cylinder b (1305b).

7. The low-damage demolition device for recycling concrete support beams according to claim 6, characterized in that, The cutting section (2200) includes a motor (2202) mounted on the lower part of the cutting machine base (2201), a large pulley (2203) connected to the output shaft of the motor (2202) via a keyway, a small pulley a (2205) connected to the large pulley (2203) via a belt (2204), a drive shaft (2206) mounted on the axis of the small pulley a (2205), and a large cutting blade (2208) mounted coaxially with the drive shaft (2206). The drive shaft (2206) drives the large cutting blade (2208) to rotate synchronously. The drive shaft (2206) is coaxially interference-fitted with a bearing housing (2207), and the bearing housing (2207) is mounted on the cutting machine base (2201). A protective cover (2209) is connected to the cutting machine base (2201).

8. The low-damage demolition device for recycling concrete support beams according to claim 7, characterized in that, The cutting section support bracket (2300) includes two I-beams placed vertically side by side and mounted vertically on the support beam cutting section support beam (3402), and two I-beam rail trolleys slidably mounted on the two I-beams. The two ends of the support beam cutting section support beam (3402) are connected to the I-beam d (3101b) and the rotating support section support beam b (3401b). The rotating support section support beam b (3401b) is fixedly mounted above the frame (3301) of the support trolley (3300). The I-beam track trolley is connected as a whole by square steel (2303). A square steel (2303) is installed horizontally between two I-beams. A small pulley b (2304) is installed on the square steel (2303) above the support bracket (2300) of the cutting part. It rotates synchronously with the pulley on the stepper motor (2113) through the belt. At the same time, the transmission belt (2305) is connected to the cutting machine base (2201) of the cutting part (2200). When the belt rotates, it drives the cutting part (2200) to move up and down.

9. The low-damage demolition device for recycling concrete support beams according to claim 8, characterized in that, The supporting beam cutting section (2000) also includes an electrical section, which includes a device control box (2112), a liquid storage tank (2111), a water pump (2114), and a stepper motor (2113) mounted on the cutting section support bracket (2300). The liquid storage tank (2111) is a rectangular hollow water storage container with an inlet and an outlet. The outlet is connected to the inlet of the water pump (2114) through a water pipe. The outlet of the water pump (2114) is connected to a nozzle. The small pulley b (2304) rotates synchronously with the pulley on the stepper motor (2113) through a belt. At the same time, the belt is connected to the cutting machine base (2201) of the cutting section (2200).

10. The low-damage demolition device for recycling concrete support beams according to claim 9, characterized in that, It also includes a hydraulic power system (4000) installed on a carrier trolley (3300). The hydraulic power system (4000) includes a hydraulic system bracket (4003), an oil reservoir (4004) installed on the hydraulic system bracket (4003), a hydraulic system controller (4001) installed on the upper end of the hydraulic system bracket (4003), a three-phase motor (4002), an oil pump (4005), and a solenoid valve group (4006). The output shaft of the three-phase motor (4002) is matched with the input of the oil pump (4005). The solenoid valve group (4006) is composed of multiple solenoid valves. The output port of the solenoid valve group (4006) is connected to the oil inlet of each cylinder in the device through a hydraulic oil pipe. The hydraulic power system (4000) is jointly controlled by the hydraulic system controller (4001) and the device control box (2112).

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