Length-adjustable cutting device for main reinforcement of reinforcement cage

Abstract

The utility model discloses a reinforcement cage main reinforcement length-adjustable cutting device, which belongs to the technical field of reinforcement cage main reinforcement cutting, and comprises a steel structure rack, a saw cutting mechanism and a clamping component are arranged above the steel structure rack, and the saw cutting mechanism and the clamping component are symmetrically arranged at two ends of the steel structure rack. The symmetrically-arranged sawing mechanisms are connected through multi-stage length-adjustable sleeve assemblies, the adjacent sleeves are in sliding connection through guide wheel assemblies, the machining assembly at any end of the steel structure rack is fixedly connected with the steel structure rack, and the machining assembly at the other end of the steel structure rack is movably connected with the steel structure rack through a walking driving assembly. The sawing machine has the advantages that the sawing mechanism is matched with the clamping assembly, the two ends of a main reinforcement of a reinforcement cage are clamped at a time and cut at the same time, and the machining efficiency and the machining precision are improved; and the sleeve assembly can assist the equipment to better adapt to reinforcement cage main reinforcements of different sizes, the practicability of the equipment is improved, and the occupied area of the equipment is saved.

Description

Technical field:

[0001] The utility model belongs to the technical field of steel cage main bar cutting, and more specifically relates to a steel cage main bar length-adjustable cutting device. Background technology:

[0002] With the wide application of steel cage in road and bridge construction and pile foundation construction, the manufacturing equipment of steel cage has developed rapidly. The steel cage is composed of main reinforcement, winding reinforcement and inner ring. The manufacturing process of main reinforcement of steel cage includes fixed-length sawing of steel bars, peeling of both ends, threading of both ends and grinding of both ends. At present, the fixed-length sawing process of main reinforcement of steel cage adopts flat-lay production line to complete sawing. In the existing flat-lay production line, the main reinforcement to be processed needs to be processed at one end in one track first, and then moved to the other side to process the other end, and after multiple clamping, mechanical errors are easy to occur, resulting in uneven cutting and low cutting efficiency, which not only affects the production efficiency of the product, but also affects the quality of the product.

[0003] The national utility model patent with patent number 202410266064.X discloses a steel bar end cutting device, which cooperates with the clamping component and the cutting component, and through continuous operation, it can perform high-precision cutting on the ends of the steel bars, which effectively solves the problem of uneven cutting of the main bars of the steel cage; however, when this cutting device cuts the two ends of the steel bar, it is often difficult to adjust the length of the steel bar end, which can easily cause the cutting length to be too long or too short, affecting the quality of the product, and the equipment occupies a large area. Utility model content:

[0004] In order to solve the above problems and overcome the shortcomings of the prior art, the utility model provides a cutting device with adjustable length of main reinforcement of a steel cage;

[0005] The first technical problem to be solved is that when the cutting device processes the ends of the main bars of the steel cage, mechanical errors are likely to occur, resulting in uneven cutting and low cutting efficiency, which not only affects product production efficiency but also product quality.

[0006] The second technical problem to be solved is that it is difficult to adjust the length of the steel bar ends when cutting the two ends of the steel bar, resulting in the cutting length being too long or too short, affecting the quality of the product, and the equipment occupies a large area.

[0007] The specific technical solution of the utility model to solve the above technical problems is as follows: the length-adjustable cutting device for the main reinforcement of the steel cage comprises a steel structure frame arranged on the ground of the base, a processing assembly is arranged above the steel structure frame, the processing assembly comprises a sawing mechanism for processing the end of the main reinforcement of the steel cage and a clamping assembly for clamping the main reinforcement of the steel cage, and the clamping assembly is arranged at the front side of the sawing mechanism;

[0008] The sawing mechanism and the clamping assembly are symmetrically arranged at both ends of the steel structure frame. The symmetrically arranged sawing mechanisms are connected through a multi-stage length-adjustable sleeve assembly, and the sleeve assembly is formed by sequentially sleeve-connecting a preset number of hollow structure sleeves.

[0009] The adjacent sleeves are slidably connected via a guide wheel assembly of an auxiliary support sleeve, the guide wheel assembly is arranged at the sleeve sleeve end, and a limit plate is arranged on the inner wall of the tail end of the previous sleeve to prevent the next sleeve from falling off;

[0010] The processing assembly at any one end of the steel structure frame is fixedly connected to the steel structure frame, and the processing assembly at the other end is movably connected to the steel structure frame through a travel drive component.

[0011] Preferably, the guide wheel assembly includes an outer guide wheel assembly and an inner guide wheel assembly, the outer guide wheel assembly is arranged in the form of a ring matrix on the outer wall of the tail end of the previous sleeve section, and the inner guide wheel assembly is arranged in the form of a ring matrix on the inner wall of the head end of the next sleeve section.

[0012] Preferably, the outer guide wheel assembly includes an outer guide wheel support, an outer guide wheel and an outer guide wheel shaft. The outer guide wheel support is arranged around the side wall of the sleeve. The outer guide wheel is rotatably connected to the outer guide wheel support through the outer guide wheel shaft. The outer guide wheel passes through the outer wall of the sleeve and is slidably connected to the outer wall of the next section of the sleeve.

[0013] Preferably, the inner guide wheel assembly includes an inner guide wheel support, an inner guide wheel and an inner guide wheel shaft. The inner guide wheel extends to the outside of the sleeve through the inner guide wheel support and is slidingly connected to the inner wall of the previous sleeve section. The inner guide wheel support is arranged around the inner wall of the sleeve, and the inner guide wheel is rotatably connected to the inner guide wheel support through the inner guide wheel shaft.

[0014] Preferably, the walking drive assembly includes a walking mounting base plate and a driving motor that drives the walking mounting base plate to reciprocate, the sawing mechanism, the clamping assembly and the driving motor are installed on the walking mounting base plate, the walking mounting base plate is arranged on a steel structure frame and is slidably connected to the steel structure frame, the output end of the driving motor is provided with a walking mounting base plate key connected to a driving gear, and a driving rack matching the driving gear is arranged on the steel structure frame along the longitudinal direction.

[0015] Preferably, a preset number of sliding blocks are symmetrically arranged on the lower end surface of the walking installation base plate, and tracks matching the sliding blocks are arranged along the longitudinal direction on both side walls of the steel structure frame.

[0016] Preferably, the clamping assembly includes symmetrically arranged clamping blocks, a clamping shell and a clamping cylinder for driving the clamping blocks to move relative to each other for clamping, the clamping blocks are arranged in the clamping shell and are connected to the clamping shell in a transverse sliding manner, the symmetrically arranged clamping blocks are connected by a linkage block, a clamping cylinder is arranged below the linkage block, the clamping cylinder is fixedly arranged at the lower end of the clamping shell, and the output end of the clamping cylinder passes through the lower end surface of the clamping shell, extends to the inside of the clamping shell and is fixedly connected to the linkage block.

[0017] Preferably, the side walls at both ends of the clamping block are provided with transverse protrusions, the inner wall of the clamping shell is provided with transverse grooves matched with the protrusions, and the transverse protrusions are embedded in the transverse grooves and slidably connected with the transverse grooves.

[0018] Preferably, sliders protruding outward are respectively provided on both sides of the linkage block, the sliders are embedded in the clamping block and slidably connected with the clamping block, and a sliding groove matching with the slider is opened on the inner wall of the clamping block, and the slider and the sliding groove are in an eight-shaped shape as a whole.

[0019] The beneficial effects of the utility model are:

[0020] One advantage of the utility model is that the sawing mechanism and the clamping assembly are symmetrically arranged at both ends of the steel structure frame, the sawing mechanism can cut both ends of the steel bar at the same time, and the clamping assembly can clamp and fix the two ends of the main bars of the steel cage being processed, and the two cooperate with each other to achieve one-time clamping of the two ends of the main bars of the steel cage and simultaneous cutting, thereby improving processing efficiency, increasing processing accuracy, and reducing errors; it solves the problem in the prior art that when the cutting device processes the ends of the main bars of the steel cage, mechanical errors are easily generated, resulting in uneven cutting and low cutting efficiency, which not only affects product production efficiency but also affects product quality.

[0021] One advantage of the utility model is that the processing assembly at any end of the steel structure frame is fixedly connected to the steel structure frame, and the processing assembly at the other end is movably connected to the steel structure frame through a walking drive assembly. The symmetrically arranged sawing mechanisms are connected through a multi-stage length-adjustable sleeve assembly, and the position of the sawing mechanism can be adjusted according to the size of the main reinforcement of the steel cage to be processed, so that the main reinforcement of the steel cage of different sizes can be better adapted, which greatly increases the practicality of the equipment, and has a compact and reasonable structure, occupies a small space, saves the floor space of the equipment, and solves the problem in the prior art that it is difficult to adjust the length of the steel bar ends when cutting the two ends of the steel bar, resulting in the cutting length being too long or too short, affecting the quality of the product, and the equipment occupies a large area.

[0022] One advantage of the utility model is that adjacent sleeves are slidably connected via a guide wheel assembly, which includes an outer guide wheel assembly arranged in the form of a ring matrix on the outer wall of the tail end of the previous sleeve and an inner guide wheel assembly arranged in the form of a ring matrix on the inner wall of the head end of the next sleeve. The outer guide wheel assembly and the inner guide wheel assembly cooperate and support each other, which can not only solve the stability of the sleeve during adjustment, but also ensure the stability during the cutting of the main reinforcement of the steel cage, improve accuracy and reduce errors. Description of the drawings:

[0023] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Attached Figure 2 This is a schematic diagram of the sleeve assembly structure of the utility model in use state;

[0025] Attached Figure 3 This is a schematic diagram of the structure of the guide wheel assembly of the utility model;

[0026] Attached Figure 4 This is a schematic diagram of the structure of the travel drive assembly of the utility model;

[0027] Attached Figure 5 This is a partial schematic diagram of the top view of the structure of the travel drive assembly of the utility model;

[0028] Attached Figure 6 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0029] Attached Figure 7 This is a schematic diagram of the front cross-sectional structure of the clamping assembly of the utility model;

[0030] Attached Figure 8 It is a schematic diagram of the cross-sectional structure of the clamping assembly of the utility model from top view;

[0031] Attached Fig. 9 It is a schematic diagram of the side cross-sectional structure of the clamping assembly of the utility model; in the accompanying drawings:

[0032] 1. Steel structure frame; 11. Driving rack; 12. Track; 2. Processing assembly; 21. Sawing mechanism; 22. Clamping assembly; 221. Clamping block; 2211. Horizontal protrusion; 2212. Slide; 222. Clamping shell; 2221. Horizontal groove; 223. Clamping cylinder; 224. Linkage block; 2241. Slider; 3. Sleeve assembly; 31. Guide wheel assembly; 311. Outer guide wheel assembly; 3111. Outer guide wheel support; 3112. Outer guide wheel; 3113. Outer guide wheel shaft; 312. Inner guide wheel assembly; 3121. Inner guide wheel support; 3122. Inner guide wheel; 3123. Inner guide wheel shaft; 32. Limiting plate; 4. Travel drive assembly; 41. Travel mounting base plate; 411. Rail wheel; 42. Drive motor; 421. Drive gear. Specific implementation method:

[0033] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] The specific implementation of the utility model: a steel cage main reinforcement length adjustable cutting device, comprising a steel structure frame 1 arranged on the base ground, a processing assembly 2 is arranged above the steel structure frame 1, the processing assembly 2 comprises a sawing mechanism 21 for processing the end of the steel cage main reinforcement and a clamping assembly 22 for clamping the steel cage main reinforcement, the clamping assembly 22 is arranged at the front side of the sawing mechanism 21, the clamping assembly 22 is used to clamp the steel cage main reinforcement and assist the sawing mechanism 21 to process the end of the steel cage main reinforcement;

[0035] As a preferred embodiment of the present invention,

[0036] The sawing mechanism 21 and the clamping assembly 22 are symmetrically arranged at both ends of the steel structure frame 1. The sawing mechanism 21 can cut both ends of the steel bar at the same time, and the clamping assembly 22 can clamp and fix both ends of the main reinforcement of the steel cage processed on behalf of the steel bar. The symmetrically arranged sawing mechanism 21 is connected through a multi-stage length-adjustable sleeve assembly 3. The sleeve assembly 3 is formed by a preset number of sleeves of hollow structure being sleeved in sequence. The adjacent sleeves are slidably connected by a guide wheel assembly 31, and the guide wheel assembly 31 is arranged at the sleeve sleeve end;

[0037] With this structure, the sawing mechanism 21 cooperates with the clamping assembly 22 to achieve one-time clamping of both ends of the main reinforcement of the steel cage and simultaneous cutting, thereby improving processing efficiency, increasing processing accuracy, reducing errors, and

[0038] Preferably, the guide wheel assembly 31 includes an outer guide wheel assembly 311 and an inner guide wheel assembly 312, the outer guide wheel assembly 311 is arranged in the form of a ring matrix on the outer wall of the tail end of the previous section of the sleeve, the outer guide wheel assembly 311 includes an outer guide wheel support 3111, an outer guide wheel 3112 and an outer guide wheel shaft 3113, the outer guide wheel support 3111 is arranged around the outer wall of the sleeve, the outer guide wheel 3112 is rotatably connected to the outer guide wheel support 3111 through the outer guide wheel shaft 3113, and the outer guide wheel 3112 passes through the outer wall of the sleeve and is slidably connected to the outer wall of the next section of the sleeve.

[0039] The inner guide wheel assembly 312 is arranged in the form of a ring matrix on the inner wall of the head end of the next section of the sleeve; the inner guide wheel assembly 312 includes an inner guide wheel support 3121, an inner guide wheel 3122 and an inner guide wheel shaft 3123, the inner guide wheel 3122 extends to the outside of the sleeve through the inner guide wheel support 3121 and is slidingly connected to the inner wall of the previous section of the sleeve, the inner guide wheel support 3121 is arranged around the inner wall of the sleeve, and the inner guide wheel 3122 is rotatably connected to the inner guide wheel support 3121 through the inner guide wheel shaft 3123.

[0040] A limiting plate 32 is provided on the inner wall at the rear end of the previous sleeve section to prevent the next sleeve section from falling off; preferably, the limiting plate 32 is provided between the outer guide wheel 3112 and the inner guide wheel 3122 .

[0041] With this structure, the outer guide wheel assembly 311 and the inner guide wheel assembly 312 cooperate and support each other, which can not only solve the stability of the sleeve adjustment process, but also ensure the stability of the main reinforcement cutting process of the steel cage, improve accuracy and reduce errors.

[0042] As a preferred embodiment of the present invention,

[0043] The processing assembly 2 at any one end of the steel structure frame 1 is fixedly connected to the steel structure frame 1 , and the processing assembly 2 at the other end is movably connected to the steel structure frame 1 through a travel drive component 4 .

[0044] Preferably, the walking drive assembly 4 includes a walking mounting base plate 41 and a driving motor 42 for driving the walking mounting base plate 41 to reciprocate, the sawing mechanism 21, the clamping assembly 22 and the driving motor 42 are installed on the walking mounting base plate 41, the walking mounting base plate 41 is arranged on the steel structure frame 1 and is slidably connected to the steel structure frame 1, and a preset number of rail wheels 411 are symmetrically arranged on the lower end surface of the walking mounting base plate 41. Preferably, six rail wheels 411 are provided, which are symmetrically arranged at the front, middle and rear positions of the lower end surface of the walking mounting base plate 41.

[0045] The end surface of the steel structure frame 1 is symmetrically provided with a track 12 adapted to the rail wheel 411 along the longitudinal direction, and the end surface of the steel structure frame 1 located outside the track 12 is fastened with a track 12 guard plate by bolts.

[0046] Preferably, a pad is provided at the upper end of the rail wheel 411, and the pad is fixed between the rail wheel 411 and the walking installation base plate 41 by bolts. The pad is provided with a groove opening outward, and the upper end surface of the rail 12 guard plate extends into the groove.

[0047] The output end of the driving motor 42 is keyed through the travel mounting base plate 41 and connected with a driving gear 421. A driving rack 11 matching the driving gear 421 is provided on the steel structure frame 1 along the longitudinal direction, and the driving gear 421 and the driving rack 11 are meshed for transmission.

[0048] As a preferred embodiment,

[0049] The clamping assembly 22 includes a symmetrically arranged clamping block 221, a clamping housing 222, and a clamping cylinder 223 for driving the clamping block 221 to move relative to each other for clamping.

[0050] The clamping block 221 is arranged in the clamping housing 222, and the clamping block 221 is slidably connected with the clamping housing 222 in a transverse direction. The side walls at both ends of the clamping block 221 are provided with transverse protrusions 2211, and the inner wall of the clamping housing 222 is provided with transverse grooves 2221 adapted to the protrusions. The transverse protrusions 2211 are embedded in the transverse grooves 2221 and are slidably connected with the transverse grooves 2221.

[0051] The symmetrically arranged clamping blocks 221 are connected by linkage blocks 224, and sliders 2241 protruding outward are respectively arranged on both sides of the linkage blocks 224. The sliders 2241 are embedded in the clamping blocks 221 and slidably connected with the clamping blocks 221. A slide groove 2212 matching with the slide groove 2241 is provided on the inner wall of the clamping blocks 221, and the slider 2241 and the slide groove 2212 are in an eight-shaped shape as a whole.

[0052] A clamping cylinder 223 is provided below the linkage block 224. The clamping cylinder 223 is fixedly provided at the lower end of the clamping housing 222. The output end of the clamping cylinder 223 passes through the lower end surface of the clamping housing 222 and extends to the inside of the clamping housing 222 and is fixedly connected to the linkage block 224.

[0053] The clamping cylinder 223 is connected to the steel structure frame 1 through a cylinder bracket. The processing assembly 2 is connected to the movable end of the steel structure frame 1, and the clamping cylinder 223 is fixedly set on the walking mounting base plate 41 through the cylinder bracket; the processing assembly 2 is connected to the fixed end of the steel structure frame 1, and the clamping cylinder 223 is fixedly set on the steel structure frame 1 through the cylinder bracket.

[0054] With this structure, when the output end of the clamping cylinder 223 drives the linkage block 224 to move downward, the sliders 2241 on both sides of the linkage block 224 move downward in the slide groove 2212. Since the sliders 2241 and the slide groove 2212 are in an eight-shaped shape, the lateral protrusion 2211 of the clamping block 221 will be driven to slide in the lateral groove 2221, thereby driving the clamping block 221 to move relative to each other to achieve clamping; conversely, when the output end of the clamping cylinder 223 drives the linkage block 224 to move upward, it will drive the clamping blocks 221 to move toward each other, thereby canceling the clamping state.

[0055] It should be noted that the utility model is a cutting device with adjustable length of main reinforcement of steel cage.

[0056] According to the size of the main reinforcement of the steel cage to be processed, the position between the processing assemblies 2 is adjusted, and the sawing mechanism 21 and the clamping assembly 22 at the movable end of the processing assembly 2 and the steel structure frame 1 are reciprocated by manually turning on the driving motor 42, so as to adjust the position to meet the needs of the main reinforcement of the steel cage of different sizes and improve the practicality of the equipment; the driving motor 42 is turned on, and the driving motor 42 drives the driving gear 421 to rotate, and the driving gear 421 is meshed with the driving rack 11 on the steel structure frame 1 for transmission, and the rail wheel 411 on the lower end surface of the walking installation base plate 41 is mounted on the track 12 and is slidably connected to the track 12, so as to drive the walking installation base plate 41 to move along the steel structure frame 1, thereby driving the sawing mechanism 21 and the clamping assembly 22 to move;

[0057] After determining the position between the processing assemblies 2, the two ends of the main reinforcement of the steel cage are manually placed into the clamping assemblies 22 located at the two ends of the steel cage, and the clamping cylinder 223 is manually opened. When the output end of the clamping cylinder 223 drives the linkage block 224 to move downward, the sliders 2241 on both sides of the linkage block 224 move downward in the slide groove 2212, thereby driving the lateral protrusion 2211 of the clamping block 221 to slide horizontally in the lateral groove 2221, thereby driving the clamping block 221 to move relative to each other, thereby clamping the main reinforcement of the steel cage, so that the steel bars will not be offset during the cutting process, thereby improving the processing accuracy; after the clamping assembly 22 clamps the main reinforcement of the steel cage, the sawing mechanism 21 is manually started to cut the two ends of the main reinforcement of the steel cage.

[0058] With this structure, the processing assembly 2 at any end of the steel structure frame 1 is fixedly connected to the steel structure frame 1, and the processing assembly 2 at the other end is movably connected to the steel structure frame 1 through a travel drive assembly 4. The symmetrically arranged sawing mechanisms 21 are connected through a multi-stage length-adjustable sleeve assembly 3. The position of the sawing mechanism 21 can be adjusted according to the size of the main reinforcement of the steel cage to be processed, and the main reinforcement of the steel cage of different sizes can be better adapted, which greatly increases the practicability of the equipment. In addition, the structure is compact and reasonable, and the space occupied is small, which saves the equipment's floor space.

[0059] The sawing mechanism 21 is purchased in the market, and its model is an automatic circular saw machine JB-315B, which belongs to the prior art and does not belong to the protection scope of the present utility model, and will not be described in detail here.

[0060] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steel cage main reinforcement length adjustable cutting device, comprising a steel structure frame (1) arranged on a base surface, a processing assembly (2) arranged above the steel structure frame (1), the processing assembly (2) comprising a sawing mechanism (21) for processing the end of the steel cage main reinforcement and a clamping assembly (22) for clamping the steel cage main reinforcement, the clamping assembly (22) being arranged on the front side of the sawing mechanism (21); characterized in that: The sawing mechanism (21) and the clamping assembly (22) are symmetrically arranged at two ends of the steel structure frame (1); the symmetrically arranged sawing mechanism (21) is connected via a multi-stage length-adjustable sleeve assembly (3); the sleeve assembly (3) is formed by a preset number of sleeves with hollow structures being connected in sequence; adjacent sleeves are slidably connected via a guide wheel assembly (31); the guide wheel assembly (31) is arranged at the sleeve connection end; a limit plate (32) is arranged on the inner wall of the tail end of the sleeve of the previous section to prevent the sleeve of the next section from falling off; The processing assembly (2) at any one end of the steel structure frame (1) is fixedly connected to the steel structure frame (1), and the processing assembly (2) at the other end is movably connected to the steel structure frame (1) via a travel drive assembly (4).

2. The steel cage main reinforcement length adjustable cutting device according to claim 1 is characterized in that The guide wheel assembly (31) includes an outer guide wheel assembly (311) and an inner guide wheel assembly (312). The outer guide wheel assembly (311) is arranged on the outer wall of the tail end of the previous sleeve section in the form of a ring matrix, and the inner guide wheel assembly (312) is arranged on the inner wall of the head end of the next sleeve section in the form of a ring matrix.

3. The adjustable length cutting device for main reinforcement cage according to claim 2 is characterized in that The outer guide wheel assembly (311) comprises an outer guide wheel support (3111), an outer guide wheel (3112) and an outer guide wheel shaft (3113); the outer guide wheel support (3111) is arranged on the side wall of the sleeve; the outer guide wheel (3112) is rotatably connected to the outer guide wheel support (3111) via the outer guide wheel shaft (3113); the outer guide wheel (3112) passes through the outer wall of the sleeve and is slidably connected to the outer wall of the next sleeve section.

4. The steel cage main reinforcement length adjustable cutting device according to claim 2 is characterized in that The inner guide wheel assembly (312) comprises an inner guide wheel support (3121), an inner guide wheel (3122) and an inner guide wheel shaft (3123); the inner guide wheel (3122) extends to the outside of the sleeve through the inner guide wheel support (3121) and is slidably connected to the inner wall of the previous sleeve; the inner guide wheel support (3121) is arranged on the inner wall of the sleeve; the inner guide wheel (3122) is rotatably connected to the inner guide wheel support (3121) through the inner guide wheel shaft (3123).

5. The steel cage main reinforcement length adjustable cutting device according to claim 1 is characterized in that The travel drive assembly (4) comprises a travel installation base plate (41) and a drive motor (42) for driving the travel installation base plate (41) to move back and forth; the sawing mechanism (21), the clamping assembly (22) and the drive motor (42) are mounted on the travel installation base plate (41); the travel installation base plate (41) is arranged on the steel structure frame (1) and is slidably connected to the steel structure frame (1); an output end of the drive motor (42) is provided with a drive gear (421) connected to the travel installation base plate (41) through a key; and a drive rack (11) is provided on the steel structure frame (1) along the longitudinal direction and matches the drive gear (421).

6. The adjustable length cutting device for main reinforcement cage according to claim 5 is characterized in that A preset number of rail wheels (411) are symmetrically arranged on the lower end surface of the walking installation base plate (41), and tracks (12) matching the rail wheels (411) are arranged along the longitudinal direction on both side walls of the steel structure frame (1).

7. The steel cage main reinforcement length adjustable cutting device according to claim 1 is characterized in that The clamping assembly (22) comprises a symmetrically arranged clamping block (221), a clamping shell (222) and a clamping cylinder (223) for driving the clamping block (221) to move relative to each other for clamping; the clamping block (221) is arranged in the clamping shell (222) and is laterally slidably connected to the clamping shell (222); the symmetrically arranged clamping blocks (221) are connected via a linkage block (224); a clamping cylinder (223) is arranged below the linkage block (224); the clamping cylinder (223) is fixedly arranged at the lower end of the clamping shell (222); an output end of the clamping cylinder (223) passes through the lower end surface of the clamping shell (222) and extends to the inside of the clamping shell (222) and is fixedly connected to the linkage block (224).

8. The steel cage main reinforcement length adjustable cutting device according to claim 7 is characterized in that The side walls at both ends of the clamping block (221) are provided with transverse protrusions (2211), the inner wall of the clamping shell (222) is provided with transverse grooves (2221) adapted to the protrusions, and the transverse protrusions (2211) are embedded in the transverse grooves (2221) and are slidably connected to the transverse grooves (2221).

9. The steel cage main reinforcement length adjustable cutting device according to claim 7 is characterized in that Slide blocks (2241) protruding outward are respectively arranged on both sides of the linkage block (224); the slide blocks (2241) are embedded in the clamping block (221) and are slidably connected to the clamping block (221); a slide groove (2212) matching with the slide block (2241) is provided on the inner wall of the clamping block (221); the slide block (2241) and the slide groove (2212) are in an eight-shaped shape as a whole.

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