Protective clamp device capable of preventing hoisting belt from resisting shear and using method of protective clamp device

Abstract

The invention discloses a protective clamp device for preventing a hoisting belt from resisting shear and a using method thereof, and relates to the technical field of hoisting construction. The lifting device comprises a lifting belt, a lifting assembly and a protection assembly, the lifting assembly comprises a lifting rod and a lifting belt sliding sleeve, and the protection assembly comprises a clamping piece and an edge protection piece. The protection assembly is installed on the edge of the truss, the lifting belt is connected to the rolling wheels of the protection assembly in a winding mode, so that when the truss is lifted, the lifting belt is not subjected to shearing force of the contact edge of the truss, and the damping springs are arranged between the clamping pieces and the edge protection pieces, so that when the truss is lifted, the lifting belt is not damaged. Instant stress borne by the lifting belt is buffered through the damping springs, so that instant impact force borne by the lifting belt is reduced, and the service life of the lifting belt is prolonged; the driving wheel is rotated through the driving motor, so that the hoisting belt sliding sleeve moves to the position corresponding to the protection assembly on the hoisting rod, the stress on the two sides of the hoisting belt is balanced when the truss is hoisted and the hoisting belt is in a tightened state, and the situation that the service life is shortened due to the fact that one side of the hoisting belt is excessively stressed is prevented.

Description

Technical Field

[0001] The invention belongs to the technical field of hoisting aids, and particularly relates to a shear-resistant protection clamp device for a hoisting belt and a using method thereof. Background Art

[0002] In modern architecture, steel I-shaped trusses are often used as basic structural materials. During the construction process, they need to be hoisted and moved to corresponding positions for welding and installation after being tied with polyester hoisting belts. When the hoisting belt is tied to the truss and hoisted by a crane, especially when the truss is lifted instantaneously and shakes after being lifted, the edge of the truss will form impact stress on the flat polyester hoisting belt. Directly tying the hoisting belt to the truss for a long time will reduce the service life of the hoisting belt and increase the construction cost. In addition, there is even a risk of accidental fracture during the hoisting process. Therefore, a shear-resistant protection device for the hoisting belt is needed. Summary of the Invention

[0003] The purpose of the invention is to provide a shear-resistant protection clamp device for a hoisting belt. By installing a protection component at the edge where the truss contacts the hoisting belt, fixing the protection component to the edge of the truss through the clamping piece of the protection component, winding the hoisting belt around the roller of the edge protection piece in the protection component, and using the shock-absorbing spring between the edge protection piece and the clamping piece, it is realized that the hoisting belt will not be damaged by the shear force of the truss edge when being tied and hoisted, and the impact force on the hoisting belt at the moment when the truss is lifted is buffered by the shock-absorbing spring, solving the problem that the existing hoisting belt is easily damaged and its service life is reduced when directly installed on the truss and hoisted.

[0004] To solve the above technical problems, the invention is realized through the following technical solutions:

[0005] The invention is a shear-resistant protection clamp device for a hoisting belt, including a hoisting belt, a hoisting component and a protection component. The protection component includes a clamping piece and an edge protection piece. The clamping piece includes a U-shaped steel, the open end of the U-shaped steel is located on the horizontal side, a stud channel is opened on the upper transverse plate of the U-shaped steel, a pressing stud is threadedly connected to the stud channel, a pressing plate is arranged between the upper and lower transverse plates of the U-shaped steel, and a rubber pad is fixedly arranged on one side surface of the pressing plate;

[0006] The edge protection piece includes a cylindrical wheel shaft, shock-absorbing spring sleeves are arranged at both ends of the cylindrical wheel shaft, shock-absorbing springs are arranged in the shock-absorbing spring sleeves, shock-absorbing spring columns are arranged at the front and rear ends of the U-shaped steel on the side far from the pressing plate, one end of the shock-absorbing spring sleeve is sleeved on the shock-absorbing spring column, a shock-absorbing spring telescopic rod is fixedly connected to the end of the shock-absorbing spring column close to the shock-absorbing spring sleeve, the shock-absorbing spring telescopic rod passes through the shock-absorbing spring sleeve, and the shock-absorbing spring is sleeved on the shock-absorbing spring telescopic rod. A telescopic rod cap is arranged at the end of the shock-absorbing spring telescopic rod far from the shock-absorbing spring column;

[0007] At the ends of the cylindrical wheel shaft away from the shock-absorbing springs, the two shock-absorbing spring sleeves are respectively provided with a first sling edge guard and a second sling edge guard.

[0008] A further setting of the present invention is that the edge guard member further includes a sling guard plate. One end of the sling guard plate is hinged to the first sling edge guard at the end away from the shock-absorbing spring sleeve. A first threaded through-hole is provided at the end of the sling guard plate away from the hinged end. A second threaded through-hole matching the first threaded through-hole is provided at the end of the second sling edge guard away from the shock-absorbing spring sleeve. The first threaded through-hole and the second threaded through-hole are threadedly connected by a stud.

[0009] A roller is sleeved on the cylindrical wheel shaft.

[0010] A further setting of the present invention is that on the side of the U-shaped steel where the stud channel is provided, a tie rod channel is provided, and a tie rod is sleeved in the tie rod channel.

[0011] A further setting of the present invention is that the lifting assembly includes a lifting rod and a sling sliding sleeve. The sling sliding sleeve is slidably sleeved on the lifting rod, and the sling sliding sleeve is provided with a sling groove.

[0012] The lifting rod is provided with a wheel groove. One end of the sling sliding sleeve is fixedly provided with a driving motor. The output end of the driving motor is fixedly connected with a driving wheel, and the driving wheel matches the wheel groove.

[0013] A further setting of the present invention is that a hook positioning sleeve is fixed on the lifting rod. A buffer spring top rod is fixedly provided on the hook positioning sleeve. A hook hanging sleeve is sleeved on the buffer spring top rod. A buffer spring top rod cap is fixed at the end of the buffer spring top rod away from the hook positioning sleeve. A buffer spring is sleeved on the buffer spring top rod between the buffer spring top rod cap and the hook hanging sleeve.

[0014] A further setting of the present invention is that first and second chucks are respectively fixed at both ends of the sling. The first and second chucks are both provided with mutually matching threaded holes, and the first and second chucks are connected by a stud spirally penetrating the threaded holes.

[0015] A further setting of the present invention is that a shear-resistant protection fixture device for a sling is used according to the following steps, including the following steps: S1: Adjust the position of the lifting assembly; S2: Fix the protection assembly; S3: Tie the sling; S4: Lift the installation truss; S5: Remove the protection assembly; In S1, the hook hanging sleeve on the lifting rod is fixedly connected to the crane hook, and the driving motor is started to drive the driving wheel to rotate in the wheel groove of the lifting rod, so that the sling sliding sleeve moves to the corresponding position where the sling can effectively tie the truss.

[0016] A further setting of the present invention is that in S2, a protection component is installed at the same cross-section position on the four edges of the truss. The U-shaped steel of the protection component is clamped on the edge of the truss and corresponds to the sling sliding sleeve. The side of the backing plate with a rubber pad is oriented towards the surface of the truss. By screwing the nut on the stud channel, the backing plate is pressed tightly against the surface of the truss. The tension rod is passed through the tension rod channels on the opposing U-shaped steels on both sides above the truss, and a nut is screwed on the tension rod on the side of the tension rod channel close to the edge protection piece to tighten the tension rod.

[0017] A further setting of the present invention is that in S3, the sling guard plate of the protection component is opened, the sling is wound around the rollers of the four protection components, and the threaded through holes on the first and second chucks at both ends of the sling are aligned, and the stud is screwed through for connection.

[0018] A further setting of the present invention is that in S5, the pressing stud is screwed, the clamping piece is removed from the edge of the truss, and then the pressing stud is screwed to make the backing plate press tightly against the transverse plate on the side of the U-shaped steel away from the stud channel.

[0019] The present invention has the following beneficial effects:

[0020] 1. By installing the protection component on the edge of the truss and winding the sling around the rollers of the protection component, when the truss is lifted, the sling is no longer directly subjected to the shear force at the contact edge with the truss, which improves the service life of the sling, reduces the construction cost, and at the same time reduces the construction hidden danger caused by the fracture of the sling during construction.

[0021] 2. By arranging a shock-absorbing spring between the clamping piece and the edge protection piece of the protection component, when the truss is lifted instantaneously and when the truss shakes during the lifting process, the stress on the sling is transmitted to the shock-absorbing spring through the protection component for buffering, reducing the instantaneous impact force on the sling and further improving the service life of the sling.

[0022] 3. By opening a wheel groove on the lifting rod of the lifting component, sleeving the sling sliding sleeve on the lifting rod, fitting the driving wheel at the output end of the driving motor at one end of the sling sliding sleeve into the wheel groove, and rotating the driving wheel by the driving motor, the sling sliding sleeve is moved on the lifting rod to a position corresponding to the protection component, so that when the truss is lifted, the two sides of the sling are evenly stressed when in a taut state, preventing one side of the sling from being overstressed and reducing the service life.

[0023] 4. The installation of the protection component is realized by screwing the pressing stud through the U-shaped steel and pressing the backing plate tightly against the truss. Different thickness and size trusses can be installed by adjusting the pressing stud, realizing the fixed installation of trusses with different thickness and size according to construction needs, and improving the adaptability of the device.

[0024] 5. By arranging a buffer spring between the lifting positioning sleeve and the lifting hanging sleeve on the lifting rod, the present invention can absorb the impact stress on the lifting belt through the buffer spring at the moment when the crane lifts, so as to reduce the influence of the shear force generated by the impact force on the lifting belt.

[0025] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0027] Figure 1 It is a front view of the installation of a shear-resistant protection fixture device for a lifting belt.

[0028] Figure 2 For Figure 1 The partial enlarged view of A in

[0029] Figure 3 For Figure 1 The partial enlarged view of B in

[0030] Figure 4 It is a schematic installation diagram of the present invention.

[0031] Figure 5 For Figure 4 The partial enlarged view of C in

[0032] Figure 6 For Figure 4 The partial enlarged view of D in

[0033] Figure 7 It is an exploded view of the lifting positioning sleeve and the lifting hanging sleeve.

[0034] Figure 8 It is an exploded view of the protection component.

[0035] Figure 9 It is a partial sectional view of the protection component.

[0036] Figure 10 It is a flowchart of the usage method of a shear-resistant protection fixture device for a lifting belt.

[0037] In the drawings, the list of components represented by each reference numeral is as follows:

[0038] 1 - Lifting belt, 101 - First chuck, 102 - Second chuck, 2 - Lifting assembly, 201 - Lifting rod, 201a - Wheel groove, 201b - Hook positioning sleeve, 201b - 1 - Buffer spring ejector rod, 201b - 2 - Buffer spring ejector rod cap, 201c - Hook hanging sleeve, 201d - Buffer spring, 202 - Lifting belt sliding sleeve, 202a - Lifting belt groove, 202b - Driving motor, 202c - Driving wheel, 3 - Protection assembly, 301 - Clamping piece, 301a - U-shaped steel, 301b - Stud channel, 301c - Pressing stud, 301d - Pressing plate, 301d - 1 - Rubber pad, 301e - Shock-absorbing spring abutment column, 301f - Opposing tension screw channel, 301f - 1 - Opposing tension screw, 302 - Edge protection piece, 302a - Cylindrical wheel shaft, 302b - Shock-absorbing spring sleeve, 302c - Shock-absorbing spring, 302d - Shock-absorbing spring telescopic rod, 302e - 1 - First lifting belt edge protection, 302e - 2 - Second lifting belt edge protection, 302f - Lifting belt protection plate, 302f - 1 - First threaded through hole, 302f - 2 - Second threaded through hole, 302g - Roller. Detailed implementation mode

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] Embodiment 1

[0041] Please refer to Figures 1 to 7 , the present invention is a shear-resistant protection fixture device for a lifting belt, including a lifting belt 1, a lifting assembly 2 and a protection assembly 3. The protection assembly 3 includes a clamping piece 301 and an edge protection piece 302. By installing the protection assembly 3 on the edge of the truss and winding the lifting belt 1 around the roller 302g of the protection assembly 3, when the truss is lifted, the lifting belt no longer directly receives the shear force at the contact edge with the truss. By setting a shock-absorbing spring 302c between the clamping piece 301 and the edge protection piece 302 of the protection assembly 3, when the truss is lifted instantaneously, the instantaneous stress received by the lifting belt 1 is transmitted to the shock-absorbing spring 302c through the protection assembly 3 for buffering, reducing the instantaneous impact force received by the lifting belt 1, improving the service life of the lifting belt 1 and reducing the construction cost.

[0042] Specifically, the clamping member 301 includes a U-shaped steel 301a. The open end of the U-shaped steel 301a is located on the horizontal side. A stud channel 301b is provided on the upper transverse plate of the U-shaped steel 301a. A pressing stud 301c is threadedly connected to the stud channel 301b. A pressing plate 301d is provided between the upper and lower transverse plates of the U-shaped steel 301a. A rubber pad 301d-1 is fixedly provided on one side of the pressing plate 301d;

[0043] The edge protection member 302 includes a cylindrical wheel shaft 302a. Shock-absorbing spring sleeves 302b are provided at both ends of the cylindrical wheel shaft 302a. A shock-absorbing spring 302c is provided inside the shock-absorbing spring sleeves 302b. Shock-absorbing spring abutment posts 301e are provided at the front and rear ends of the U-shaped steel 301a on the side away from the pressing plate 301d. One end of the shock-absorbing spring sleeve 302b is sleeved on the shock-absorbing spring abutment post 301e. A shock-absorbing spring telescopic rod 302d is fixedly connected to the shock-absorbing spring abutment post 301e near the shock-absorbing spring sleeve 302b. The shock-absorbing spring telescopic rod 302d passes through the shock-absorbing spring sleeve 302b, and the shock-absorbing spring 302c is sleeved on the shock-absorbing spring telescopic rod 302d. A telescopic rod cap 302d-1 is provided at the end of the shock-absorbing spring telescopic rod 302d away from the shock-absorbing spring abutment post 301e;

[0044] At both ends of the cylindrical wheel shaft 302a, a first lifting belt edge protection 302e-1 and a second lifting belt edge protection 302e-2 are respectively provided at the ends of the two shock-absorbing spring sleeves 302b away from the shock-absorbing spring 302c.

[0045] Further, the edge protection member 302 further includes a lifting belt guard plate 302f. One end of the lifting belt guard plate 302f is hinged to the end of the first lifting belt edge protection 302e-1 away from the shock-absorbing spring sleeve 302b. A first threaded through hole 302f-1 is provided at the end of the lifting belt guard plate 302f away from the hinged end. A second threaded through hole 302f-2 matching the first threaded through hole 302f-1 is provided at the end of the second lifting belt edge protection 302e-2 away from the shock-absorbing spring sleeve 302b. The first threaded through hole 302f-1 and the second threaded through hole 302f-2 are threadedly connected by a stud;

[0046] A roller 302g is sleeved on the cylindrical wheel shaft 302a.

[0047] Further, a tie rod channel 301f is provided on the side of the U-shaped steel 301a where the stud channel 301b is provided. A tie rod 301f-1 is sleeved in the tie rod channel 301f.

[0048] The operation process of this embodiment is as follows:

[0049] Install the U-shaped steel 301a at the edge of the truss. Place the backing plate 301d above the truss with the side having the rubber pad 301d-1 facing the truss surface. Tighten the backing plate 301d against the truss by screwing the pressing stud 301c threadedly connected to the inner thread of the stud channel 301b. The rubber pad 301d-1 in contact with the truss on the backing plate 301d increases the friction between the backing plate 301d and the truss, making the installation and fixation more stable and firm.

[0050] Wind the lifting belt 1 around the roller 302g on the edge protection member 302. Close the lifting belt guard plate 302f to align the first threaded through hole 302f-1 with the second threaded through hole 302f-2, and screw the stud to connect the lifting belt guard plate 302f to the second lifting belt edge guard 302e-2.

[0051] The tie rod 301f-1 connects the U-shaped steels 301a on both sides of the upper surface of the truss in a tension connection, connecting the protection components 3 on both sides of the edge of the upper surface of the truss, ensuring the firm connection of the protection components 3.

[0052] When the crane lifts, the lifting belt 1 contacts the cylindrical surface of the roller 302g. When the lifting belts 1 on both sides of the truss are tied unevenly, the rolling of the roller 302g can quickly restore the force balance on both sides of the lifting belt 1, and greatly reduce the friction between the lifting belt 1 and the truss surface during the process of restoring the balance on both sides, achieving the technical effect of improving the service life of the lifting belt 1.

[0053] The cylindrical surface of the roller 302g bears the pressure of the lifting belt 1, which can effectively distribute the shear force received by the lifting belt 1. At the same time, the roller 302g transmits the impact stress generated during the instant of lifting and the subsequent shaking to the shock-absorbing spring 302c for buffering and shock absorption, reducing the influence of the impact stress on the tensile force of the lifting belt 1, achieving the technical effect of improving the service life of the lifting belt 1.

[0054] Embodiment 2

[0055] Please refer to Figures 1 to 5 , on the basis of Embodiment 1, the lifting assembly 2 includes a lifting rod 201 and a lifting belt sliding sleeve 202. By starting the driving motor 202b to drive the driving wheel 202c to rotate in the wheel groove 201a of the lifting rod 201, the lifting belt sliding sleeve 202 is moved to the corresponding position where the lifting belt 1 is tied to the truss, so that when the truss is lifted, the two sides of the lifting belt 1 are evenly stressed in the tightened state, preventing the lifting belt 1 from being bent and causing excessive stress on one side, resulting in edge tearing.

[0056] Specifically, the lifting assembly 2 includes a lifting rod 201 and a lifting belt sliding sleeve 202. The lifting belt sliding sleeve 202 is slidably sleeved on the lifting rod 201, and the lifting belt sliding sleeve 202 is provided with a lifting belt groove 202a.

[0057] The hoisting rod 201 is provided with a wheel groove 201a. One end of the hoisting belt sliding sleeve 202 is fixedly provided with a driving motor 202b, and the output end of the driving motor 202b is fixedly connected with a driving wheel 202c, and the driving wheel 202c is matched with the wheel groove 201a.

[0058] Furthermore, a hook positioning sleeve 201b is fixed on the hoisting rod 201. A buffer spring ejector rod 201b-1 is fixedly provided on the hook positioning sleeve 201b. A hook hanging sleeve 201c is sleeved on the buffer spring ejector rod 201b-1. One end of the buffer spring ejector rod 201b-1 far from the hook positioning sleeve 201b is fixedly provided with a buffer spring ejector rod cap 201b-2, and a buffer spring 201d is sleeved between the buffer spring ejector rod cap 201b-2 and the hook hanging sleeve 201c on the buffer spring ejector rod 201b-1.

[0059] Furthermore, the two ends of the hoisting belt 1 are respectively fixedly provided with a first chuck 101 and a second chuck 102. The first chuck 101 and the second chuck 102 are both provided with threaded holes that match each other, and the first chuck 101 and the second chuck 102 are connected by a stud spirally penetrating through the threaded holes.

[0060] The operation process of this embodiment is as follows:

[0061] The hook positioning sleeve 201b on the hoisting rod 201 is fixedly connected with the crane hook. The driving motor 202b is started to make the driving wheel 202c rotate in the wheel groove 201a opened on the hoisting rod 201, so that the hoisting belt sliding sleeve 202 moves to a position corresponding to the protection component 3. After the hoisting belt 1 is wound around the protection component 3, the first chuck 101 and the second chuck 102 are connected by a stud spirally penetrating through the threaded through holes, completing the tying of the hoisting belt 1 to the truss, and making the contact ends of the hoisting belt 1 with the hoisting component 2 and the protection component 3 be in the same cross-sectional position. When the crane hoists, the overall force on the hoisting belt 1 is balanced, preventing the edge from being torn due to excessive force on one side of the hoisting belt 1;

[0062] At the same moment when the crane starts to hoist, the hook hanging sleeve 201c squeezes the buffer spring 201d, and then drives the hook positioning sleeve 201b to lift the hoisting rod 201. During the process of the buffer spring 201d being squeezed, the impact stress generated at the moment of hoisting is absorbed, reducing the influence of the impact stress on the shearing force of the hoisting belt 1 and improving the service life of the hoisting belt 1.

[0063] Embodiment 3

[0064] A using method of an anti-shear protection fixture device for a hoisting belt includes the following steps:

[0065] S1: Adjust the position of the hoisting component 2;

[0066] Fix the hook sleeve 201c on the hoisting rod 201 to the crane hook, start the driving motor 202b to drive the driving wheel 202c to rotate in the wheel groove 201a of the hoisting rod 201, and move the sling sliding sleeve 202 to the corresponding position where the sling 1 can effectively tie the truss.

[0067] S2: Fix the protection component 3;

[0068] Install the protection component 3 at the same cross-section position on the four edges of the truss. The U-shaped steel 301a of the protection component 3 is clamped on the edge of the truss and corresponds to the sling sliding sleeve 202. Place the side of the backing plate 301d with the rubber pad 301d-1 facing the surface of the truss. By screwing the nut 301c on the stud channel 301b, make the backing plate 301d press tightly against the surface of the truss. Pass the tie rod 301f-1 through the tie rod channels 301f on the U-shaped steels 301a on the opposite sides above the truss, and screw the nut on the tie rod 301f-1 close to the edge protection member 302 on the tie rod 301f-1 to tighten the tie rod 301f-1.

[0069] S3: Tie the sling 1;

[0070] Open the sling guard plate 302f of the protection component 3, wind the sling 1 around the rollers 302g of the four protection components 3, align the threaded through holes on the first chuck 101 and the second chuck 102 at both ends of the sling 1, and screw the stud through and connect them.

[0071] S4: Lift and install the truss;

[0072] S5: Remove the protection component 3

[0073] Screw the pressing stud 301c, remove the clamping member 301 from the edge of the truss, and then screw the pressing stud 301c to make the backing plate 301d press tightly against the transverse plate on the side of the U-shaped steel 301a away from the stud channel 301b.

[0074] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0075] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A shear protection clamp device for a lifting belt, comprising a lifting belt (1), characterized in that: It also comprises a lifting component (2) and a protection component (3), wherein the protection component (3) comprises a clamping member (301) and an edge protection member (302), wherein the clamping member (301) comprises a U-shaped steel (301a), wherein the open end of the U-shaped steel (301a) is located on a horizontal side, a stud channel (301b) is provided on a transverse plate at the upper end of the U-shaped steel (301a), a pressing stud (301c) is threadedly connected to the stud channel (301b), a pressing plate (301d) is provided between the upper and lower transverse plates of the U-shaped steel (301a), and a rubber pad (301d-1) is fixedly provided on one side of the pressing plate (301d); The edge guard (302) comprises a cylindrical wheel shaft (302a), and shock-absorbing spring sleeves (302b) are provided at both ends of the cylindrical wheel shaft (302a), and shock-absorbing spring sleeves (302c) are provided inside the shock-absorbing spring sleeves (302b). Shock-absorbing spring support columns (301e) are provided at the front and rear ends of the U-shaped steel (301a) away from the support plate (301d), and one end of the shock-absorbing spring sleeve (302b) is sleeved on the shock-absorbing spring support column (301e). ), the shock absorbing spring support column (301e) is fixedly connected with a shock absorbing spring telescopic rod (302d) at one end close to the shock absorbing spring sleeve (302b), the shock absorbing spring telescopic rod (302d) passes through the shock absorbing spring sleeve (302b), and the shock absorbing spring (302c) is sleeved on the shock absorbing spring telescopic rod (302d), and the shock absorbing spring telescopic rod (302d) is provided with a telescopic rod cap (302d-1) at one end away from the shock absorbing spring support column (301e); The two shock-absorbing spring sleeves (302b) at both ends of the cylindrical wheel shaft (302a) are respectively provided with a first lifting belt edge guard (302e-1) and a second lifting belt edge guard (302e-2) at one end away from the shock-absorbing spring (302c).

2. A hoisting belt anti-shear protection fixture device according to claim 1, characterized in that: The edge guard (302) also includes a lifting belt guard plate (302f), one end of the lifting belt guard plate (302f) is hinged to the first lifting belt edge guard (302e-1) at the end away from the shock-absorbing spring sleeve (302b), the lifting belt guard plate (302f) is provided with a first threaded through hole (302f-1) at the end away from the hinged end, and the second lifting belt edge guard (302e-2) is provided with a second threaded through hole (302f-2) matching the first threaded through hole (302f-1) at the end away from the shock-absorbing spring sleeve (302b), and the first threaded through hole (302f-1) and the second threaded through hole (302f-2) are threadedly connected by a stud; a roller (302g) is sleeved on the cylindrical wheel shaft (302a).

3. A hoisting belt anti-shear protection fixture device according to claim 2, characterized in that: The U-shaped steel (301a) is provided with a tension screw channel (301f) on one side of the stud channel (301b), and the tension screw channel (301f) is sleeved with a tension screw (301f-1).

4. A hoisting belt anti-shear protection fixture device according to claim 3, characterized in that: The hoisting assembly (2) comprises a hoisting rod (201) and a hoisting belt sliding sleeve (202); the hoisting belt sliding sleeve (202) is slidably sleeved on the hoisting rod (201); and the hoisting belt sliding sleeve (202) is provided with a hoisting belt groove (202a); The hoisting rod (201) is provided with a wheel groove (201a); a driving motor (202b) is fixedly provided at one end of the hoisting belt sliding sleeve (202); an output end of the driving motor (202b) is fixedly connected to a driving wheel (202c); and the driving wheel (202c) matches the wheel groove (201a).

5. A hoisting belt anti-shear protection fixture device according to claim 4, characterized in that: A hook positioning sleeve (201b) is fixed on the hoisting rod (201), a buffer spring top rod (201b-1) is fixed on the hook positioning sleeve (201b), a hook hanging sleeve (201c) is sleeved on the buffer spring top rod (201b-1), a buffer spring top rod cap (201b-2) is fixed to one end of the buffer spring top rod (201b-1) away from the hook positioning sleeve (201b), and a buffer spring (201d) is sleeved on the buffer spring top rod cap (201b-2) and the hook hanging sleeve (201c) of the buffer spring top rod (201b-1).

6. A hoisting belt anti-shear protection fixture device according to claim 5, characterized in that: A first clamp (101) and a second clamp (102) are respectively fixed at both ends of the lifting belt (1); the first clamp (101) and the second clamp (102) are both provided with threaded holes matching each other; the first clamp (101) and the second clamp (102) are connected by a stud screw passing through the threaded holes.

7. A method for using a shear protection clamp device for a lifting belt, characterized in that: The hoisting belt anti-shear protection clamp device described in claim 6 is used according to the following steps: The following steps are involved: S1: adjusting the position of the lifting component (2); S2: fixing the protection component (3); S3: tying the lifting belt (1); S4: lifting and installing the truss; S5: removing the protection component (3); in S1, the hook hanging sleeve (201c) on the lifting rod (201) is fixedly connected to the crane hook, and the driving motor (202b) is started to drive the driving wheel (202c) to rotate in the wheel groove (201a) of the lifting rod (201), so that the lifting belt sliding sleeve (202) moves to the corresponding position where the lifting belt (1) can effectively tie the truss.

8. The method for using the hoisting belt anti-shear protection fixture device according to claim 7, characterized in that: In S2, a protection assembly (3) is installed at the same cross-sectional position on the four edges of the truss, the U-shaped steel (301a) of the protection assembly (3) is clamped on the edge of the truss and corresponds to the lifting belt sliding sleeve (202), the side of the abutment plate (301d) provided with the rubber pad (301d-1) is directed toward the truss surface, the abutment plate (301d) is pressed against the truss surface by screwing the nut (301c) on the stud channel (301b), the tension screw (301f-1) is passed through the tension screw channels (301f) on the U-shaped steel (301a) on both sides above the truss, and the nut is screwed on the tension screw (301f-1) on the side of the tension screw channel (301f) close to the edge guard (302) to tighten the tension screw (301f-1).

9. A method for using a lifting belt anti-shear protection fixture device according to claim 8, characterized in that: In S3, the lifting belt guard plate (302f) of the protection component (3) is opened, the lifting belt (1) is wound around the rollers (302g) of the four protection components (3), the first clamps (101) at both ends of the lifting belt (1) are aligned with the threaded through holes on the second clamps (102) and the studs are screwed through to connect.

10. A method for using a hoisting belt anti-shear protection fixture device according to claim 9, characterized in that: In S5, the pressing stud (301c) is screwed, the clamp (301) is removed from the edge of the truss, and the pressing stud (301c) is screwed again to make the pressing plate (301d) press against the transverse plate on the side of the U-shaped steel (301a) away from the stud channel (301b).

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