CN106965123A - Suitable for the pretension force loading device of the flexible restraining of package - Google Patents

Abstract

The invention discloses a pre-tightening force loading device suitable for a flexible restraint belt of a cargo bag, which mainly includes a continuous loading ratchet, a two-section tension belt, a tension belt joint, a tension sensor, a connecting buckle, two connecting bolts and a tension test During the cargo bag binding operation, two flexible straps of the cargo bag are fastened. When the device preloads the flexible straps of the cargo bag, the connecting buckles are respectively connected with the connecting rings on the flexible straps. There is a loading ratchet in the middle of a certain section of the tension belt, and the loading ratchet mechanism realizes the output of force. The two sections of tension belt are respectively connected to a tension sensor through bolts, and the tension sensor measures the pretension force in real time through the tension tester. During the loading process pull value. The invention realizes the reliable loading and quantitative control of the binding pretightening force of the flexible binding belt of the cargo bag, and effectively ensures the consistency of the binding tightness of the flexible binding belt of the cargo package and the reliability of the binding quality.

Description

Pre-tightening force loading device suitable for flexible restraint belt of cargo package

technical field

The invention belongs to the field of pre-tightening force loading tooling for cargo strap straps, and in particular relates to a force applying device suitable for cargo strap flexible straps, which can realize pre-tightening force loading, tension measurement, and binding of cargo strap straps, and realize the flexibility of cargo bags. Functions such as pre-tightening force and quantitative fastening of the restraint belt.

Background technique

The cargo bag is an important carrier for loading space materials and replenishing space materials. It has functions such as cargo loading, product safety assurance, quick handover, and eyedropping. The flexible restraint belt of the cargo bag is a kind of grass green cotton ribbon, which is composed of a restraint belt body, a metal buckle, and a restraint belt installation angle piece, which is used to bind the cargo bag so as to achieve the purpose of limiting and fixing the cargo bag. The end is provided with an installation angle piece, and the installation angle piece is buckled together by a metal buckle. During the transportation of the package, it is placed on the shelf, and the package is bound on the shelf through the flexible binding belt of the package, and the pre-tightening force is applied to the flexible binding belt of the package, so as to restrain the package in X, Y, The purpose of the displacement in the three directions of Z.

During the binding process of the cargo package, according to the relevant technical requirements, the pre-tightening force of the cargo package binding belt needs to reach the quantitative requirement of 300N, which is difficult for the operator to complete with bare hands, and the degree of tightness of the cargo package binding is also completely determined by the operator based on experience, so that the cargo During the binding process of the package, the consistency of the tightness of the flexible restraint is poor, it is difficult to quantify the pre-tightening force of the restraint belt, and it is difficult to guarantee the quality of the binding, and the reliability of the binding of the package cannot be evaluated.

Therefore, it is urgent to design a set of loading device for the pre-tightening force of the flexible strap of the cargo bag, apply the pre-tightening force to the strapping strap of the cargo bag, and measure the magnitude of the pre-tightening force in real time to realize the reliable binding and pre-tensioning of the flexible strap of the cargo bag.

Invention content:

In view of the above problems, the object of the present invention is to provide a device suitable for loading the pre-tightening force in the binding process of the flexible binding belt of the cargo bag, aiming at adapting to the quantitative loading of the pre-tightening force on the flexible binding belt during the binding and fixing process of the cargo package , measurement requirements, so as to reduce the dependence on the operator's experience, solve the problem of poor consistency of the tightness of the flexible restraint belt and the measurement of the tension of the flexible restraint belt during the binding process of the cargo bag, and finally achieve the pre-tightening force loading of the cargo restraint belt Quantitative control of the process.

The present invention is achieved through the following technical solutions:

It is suitable for the pre-tightening force loading device of the flexible binding belt of the cargo bag, mainly including the continuous loading ratchet, two tension belts, the tension belt joint, the tension sensor, the connecting buckle, two connecting bolts and the tension tester, which are used in the cargo bag binding During the operation, it is fastened by two flexible straps of the cargo bag, and each flexible strap of the cargo bag is attached to the surface of the cargo bag. One end of the strap is connected to the mounting angle piece of the strap and the shelf, and the other end of the strap is a metal buckle. The tie belt is sewn with a connecting ring near the metal buckle as a structure for applying the pretension force of the tie belt. The connecting rings are connected, and the two ends of the tension belts are respectively connected with connecting buckles, and a loading ratchet is arranged in the middle of one of the tension belts. The loading ratchet mechanism is used as a tension output mechanism, and the two ends are connected in series in the middle of a tension belt. To realize the force output, the two tension belts are respectively connected to a tension sensor through bolts, and the tension sensor measures the tension value during the pre-tightening loading process in real time through the tension tester.

Among them, the tension sensor, the connecting bolt and the tension tester are integrated as the tension measurement unit of the loading device.

Wherein, the connecting buckle is used as a pre-tightening force transmission part of the flexible restraint belt of the cargo bag, and is directly connected with the connecting ring of the restraint belt.

Among them, two tension rings are respectively set on the left and right sides of the tension sensor. The tension ring is an "isosceles trapezoidal" structure, which is integrally processed and formed by aluminum alloy.

Among them, the measuring range of the tension sensor is 50kg, the voltage is less than 24V, and it is an S-type tension sensor with a sensitivity not greater than 2mV/V.

Among them, the connecting bolts are M6 bolts to ensure accurate and linear transmission of tension.

Wherein, the loading ratchet consists of a handle, a non-return ratchet mechanism, a driving pawl, a driving sleeve, a rope reel, a rotating shaft, and a rope. The second handle is a motion handle, and the second handle is connected to the non-return ratchet through a rotating shaft. When in use, drive the handle two to rotate to the side of the winding rope. At this time, the handle two can drive the rotation shaft of the drive sleeve and the ratchet mechanism to rotate, and the rope winding drum will also rotate accordingly, thereby shrinking the winding rope one by one to achieve the effect of tightening the restraint belt. . On the contrary, when the driving handle 2 rotates away from the side of the winding rope, that is, it rotates in the opposite direction of the one-way rotation of the driving ratchet mechanism, the ratchet mechanism does not hinder and achieves the effect of "non-return". "Back" to achieve the purpose of tightening the rope. That is, after turning over a certain angle, reversely drive the ratchet. At this time, the non-return ratchet mechanism hinders the rotation of the rope drum, and the driving ratchet pawl does not work, thereby realizing continuous rope tightening. Through the continuous tightening of the coiled rope, the rope generates a tension output, which is finally transmitted to the flexible restraint belt of the cargo bag, so as to realize the pretension of the restraint belt.

Among them, the tensile tester is used to display the tensile value exerted by the loading device on the flexible restraint belt in real time, and the tecsis B6480 handheld tensile tester is selected.

Among them, the tension belt adopts 44-1600B grass green thick brocade ribbon, which has connecting joints connected with the sensor tension ring, connecting buckle, and loading ratchet respectively. While ensuring the reliable transmission of pre-tightening force, it can adapt to the stress of the flexible restraint belt of the package. - Non-linear change of strain and timely adjustment of tension direction.

The invention solves problems such as excessive dependence on operator experience and purely manual fastening during the binding and fixing process of the cargo bag, insufficient loading of the pre-tightening force of the flexible restraint belt of the cargo package, poor consistency of the degree of tightness of the flexible restraint belt, and measurement of the tension of the flexible restraint belt. A series of difficult problems, and finally achieve the quantitative control of the loading process of the pre-tightening force of the cargo strap strap.

Advantage of the present invention and salient feature are as follows:

The invention adopts the integration of the loading ratchet mechanism and the tension sensor system, realizes the reliable loading and quantitative control of the binding pre-tightening force of the flexible restraint belt of the cargo bag, and effectively ensures the consistency of the degree of tightness of the flexible restraint belt of the cargo package and the binding quality reliability;

The invention adopts the loading ratchet as the tension output unit, uses the passive tension sensor and the digital display instrument as the force measurement unit, does not need an external power supply, and is easy to operate, safe, and has high execution efficiency;

The structure of the device is simple, there is no special requirement for the binding position and interface of the cargo strap, and it is easy to install and disassemble;

It is suitable for loading and testing the pre-tightening force of flexible restraint belts of different sizes and weights, and has a wide range of applications;

The device has a compact structure and takes up little space, which is suitable for the operation requirements of binding and fastening the packages on the airtight and narrow shelves.

Description of drawings

Fig. 1 is a schematic diagram of a pre-tightening force loading device suitable for a flexible restraint belt of a cargo bag according to the present invention;

Among them, 1-connection buckle; 2-tension belt; 3-tension sensor; 4-loading ratchet; 5-tension tester.

Fig. 2 is a structural schematic diagram of the connecting buckle fixed with the connecting ring of the cargo bag in the pre-tightening force loading device suitable for the flexible restraint belt of the cargo bag of the present invention;

Wherein, the connection port structure is integrally formed, the first opening is smaller, the second opening is larger, 21-the first opening; 22-the second opening; 23-the anti-falling barb.

Fig. 3 is the schematic diagram of the pretension testing unit in the pretension loading device applicable to the flexible restraint belt of the cargo bag according to the present invention;

Among them, 31-tension ring; 32-M6 bolt; 33-tension tester terminal.

Fig. 4 is a structural schematic diagram of the tension belt in the pretension loading device suitable for the flexible restraint belt of the cargo bag according to the present invention; the structure of the tension belt is the same as that of the existing tension belt.

Wherein, 41-constraint belt installs angle piece; 42-grass green thick profile ribbon (ie restraint belt body); 43-metal buckle; 44-sewing connection buckle.

Fig. 5 is a structural schematic diagram of the loading ratchet mechanism in the pre-tightening force loading device suitable for the flexible restraint belt of the cargo bag according to the present invention;

Among them, 51-handle one; 52-handle two; 53-rope drum; 54-non-return ratchet mechanism; 55-drive sleeve and rotating shaft; 56-rope roll.

detailed description

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but these are only exemplary and not intended to limit the scope of protection thereof.

Referring to Fig. 1, Fig. 1 is a schematic diagram of a pre-tightening force loading device suitable for a flexible restraint belt of a cargo bag according to the present invention. Belt 2, tension belt joint, tension sensor 3, connecting buckle 1, two connecting bolts and tension tester 5, during the cargo bag binding operation process, it is fastened by two flexible cargo straps, and each cargo bag is flexible The restraint belt is attached to the surface of the cargo bag, one end of the restraint belt is connected with the restraint belt installation angle piece and the shelf, the other end of the restraint belt is a metal buckle, and the restraint belt is sewn with a connecting ring near the metal buckle, which is used as a pre-tightening force application structure for the restraint belt , when the pre-tightening force loading device pre-loads the flexible restraint belt of the cargo bag, the connecting buckles 1 are respectively connected to the connecting rings on the flexible restraint belt, and the two ends of the tension belts are respectively connected with the connecting buckles 1, A loading ratchet 4 is arranged in the middle of a certain section of the tension belt, and the loading ratchet mechanism is used as a tension output mechanism, and the two ends are connected in series in the middle of a tension belt to realize the output of force. The tension sensor 3 is connected, and the tension sensor 3 measures the tension value during the pre-tightening force loading process in real time through the tension tester 5 .

Referring to Fig. 2, Fig. 2 is a schematic structural view of the connecting buckle fixed with the connecting ring of the cargo bag in the pre-tightening force loading device suitable for the flexible restraint belt of the cargo bag according to the present invention, wherein the connecting buckle structure is integrally formed in an S shape, The S-shaped upper opening 1 21 is smaller, and the lower opening 2 22 is larger. The bottom wall of the lower opening 2 is provided with an anti-falling barb to prevent the buckled part from falling off.

Referring to Figure 3, Figure 3 shows the preload test unit, which consists of a tension sensor, a tension ring, M6 bolts, and a tension tester. 3 is the tension sensor, select S type tension sensor for use. 31 is a tension ring, and two tension rings are set on the left and right sides of the sensor respectively. The tension ring is an "isosceles trapezoidal" structure, which is integrally processed and formed by aluminum alloy. The end surface of the head is a "rhombic" structure with a "circular" connection hole. 32 are special M6 bolts. When in use, the tension on the restraint belt is transmitted to the tension sensor through the two tension rings of the pretension test unit, so that the pretension force on the restraint belt can be measured.

Referring to Fig. 4, Fig. 4 is a flexible restraint belt for binding cargo bags. Each set of restraint belt consists of 2 installation angle pieces, 2 sections of grass-green thick-profile ribbons, and 1 set of metal buckles (including male and female parts). 41 is the corner piece installed for the restraint belt, 42 is the grass green thick profile ribbon (ie the restraint belt body), 43 is the metal buckle, and 44 is the sewing connection buckle. Each package needs to be bound with several sets of flexible restraint straps. Two installation angle pieces are respectively installed at both ends of the restraint belt, and are connected to the installation angle pieces by sewing connecting rings on the restraint belt. The installation corner piece is connected to the shelf through M5 bolts. The two restraint straps are made of grass green thick ribbon, one end of which is connected to the installation corner piece, and the other end is connected to the male and female metal buckles respectively. The structure of the restraint belt is the same as that of the existing tension belt. When using the loading device to tighten the restraint belt, the package (full of goods) is placed horizontally on the shelf, the flexible restraint belt of the cargo package is closely attached to the surface of the package, and the pre-tightening force loading device of the flexible restraint belt of the cargo package Placed horizontally on the upper surface of the cargo bag, the connecting buckles (Fig. 1) at both ends of the loading device are respectively connected with the sewing connecting buckles (Fig. 4) of the flexible restraint belt of the cargo bag, and the restraint belt is tightened by the tension generated by the shrinkage of the winding rope of the loading device .

Referring to Fig. 5, Fig. 5 is a schematic diagram of a ratchet mechanism for loading in a pre-tightening force loading device suitable for a flexible restraint belt of a cargo bag. The loading ratchet mechanism consists of a handle, a non-return ratchet mechanism, a driving pawl, a driving sleeve, a rope reel, a rotating shaft, and a rope reel. The first handle is a fixed handle, which is connected to one end of the restraint belt and kept relatively stationary during use. The second handle is a motion handle, and the second handle is connected to the non-return ratchet through a rotating shaft. When in use, the operator rotates the driving ratchet in the direction opposite to the one-way rotation of the driving ratchet mechanism. At this time, the non-return ratchet mechanism does not act as a hindrance. The driving pawl drives the driving sleeve to rotate, and the reeling rope is curled along the driving sleeve to realize rope retraction. . After turning over a certain angle, the ratchet is driven in reverse. At this time, the non-return ratchet mechanism hinders the rotation of the rope drum, and the driving ratchet pawl does not work, thereby realizing continuous rope winding. Through the continuous tightening of the coiled rope, the rope generates a tension output, which is finally transmitted to the flexible restraint belt of the cargo bag to realize the pretension of the restraint belt. Repeat this operation until the value displayed by the tension sensor reaches the set pretension force, and the loading is completed.

The present invention combines the demand of the binding pre-tightening force of the flexible binding belt of the cargo bag, and designs a pre-tightening force loading device suitable for the flexible binding belt of the cargo bag. The device can effectively solve the problem of fixing the pre-tightening force during the binding process of the cargo bag. The problem of force loading and accurate measurement met the technical index requirements of the pre-tightening force of the package binding, and successfully completed the binding assembly of a large number of packages of a certain type.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the technology of the present invention, some improvements and modifications can also be made. These improvements and modifications All should also be within the protection scope of the present invention.

Claims (9)

1. Applicable to the pre-tightening force loading device of the flexible restraint belt of the cargo bag, mainly including the continuous loading ratchet, two-section tension belt, tension belt joint, tension sensor, connecting buckle, two connecting bolts and a tension tester. During the bag binding operation, it is fastened by two flexible straps of the cargo bag. Each flexible strap of the cargo bag is attached to the surface of the cargo bag. One end of the strap is connected with the corner piece of the strap and the shelf, and the other end of the strap is metal Buckle, the tie belt is sewn with a connecting ring near the metal buckle, as a structure for applying the pre-tightening force of the tie belt. The two ends of the tension belt are respectively connected with connecting buckles, and a loading ratchet is arranged in the middle of a certain section of the tension belt. In the middle, the output of the force is realized, and the two sections of the tension belt are respectively connected to a tension sensor through a bolt, and the tension sensor measures the tension value during the pre-tightening force loading process in real time through the tension tester. 2. The pre-tightening force loading device according to claim 1, wherein the tension sensor, the connecting bolt and the tension tester are integrated as a tension measuring unit of the loading device. 3. The pre-tightening force loading device according to claim 1, wherein the connecting buckle is used as a pre-tightening force transmission part of the flexible restraint belt of the cargo bag, and is directly connected with the connecting ring of the restraint belt. 4. The pre-tightening force loading device as claimed in claim 1, wherein two tension rings are respectively arranged on the left and right sides of the tension sensor, the tension rings have an "isosceles trapezoidal" structure, and are integrally processed and formed by aluminum alloy, and the end face of the head is "Rhombic" structure with a "circular" connecting hole in the middle. 5. The pre-tightening force loading device according to any one of claims 1-4, wherein the tension sensor has a measuring range of 50kg, a voltage of less than 24V, and an S-type tension sensor with a sensitivity not greater than 2mV/V. 6. The pre-tightening force loading device according to any one of claims 1-4, wherein the connecting bolts are M6 bolts to ensure accurate and linear transmission of tension. 7. The pre-tightening force loading device according to any one of claims 1-4, wherein the loading ratchet is composed of a handle, a non-return ratchet mechanism, a driving pawl, a driving sleeve, a rope drum, a rotating shaft, and a rope, and the handle One is a fixed handle, which is connected to one end of the restraint belt and kept relatively still when in use. The second handle is a motion handle, which is connected to the non-return ratchet through a rotating shaft. When in use, the handle is driven to rotate to the winding rope side. The second can drive the drive sleeve rotating shaft and the ratchet mechanism to rotate, and the rope drum will also rotate accordingly, thereby shrinking the winding rope one by one to achieve the effect of tightening the restraint belt; on the contrary, when the driving handle two turns away from the side of the winding rope, that is Rotate along the opposite direction of the one-way rotation of the drive ratchet mechanism, the ratchet mechanism does not hinder, and achieves the effect of "non-return". After a certain angle, the ratchet is driven in reverse. At this time, the non-return ratchet mechanism hinders the rotation of the rope drum, and the driving ratchet pawl does not work, so as to realize continuous tightening of the rope. Through continuous tightening of the rope, the rope produces a pulling force output, and finally It is transmitted to the flexible restraint belt of the cargo bag to realize the pretension of the restraint belt. 8. The pre-tightening force loading device according to any one of claims 1-4, wherein the tensile tester is used for real-time display of the tensile value applied by the loading device to the flexible restraint belt, and the tecsis B6480 hand-held tensile tester is selected. 9. The pre-tightening force loading device as claimed in any one of claims 1-4, wherein the tension band adopts a 44-1600B grass green thick brocade ribbon, which is connected with the sensor tension ring, the connecting buckle and the loading ratchet respectively. The connection joints can adapt to the nonlinear stress-strain change of the flexible restraint belt of the cargo package and the timely adjustment of the tension direction while ensuring the reliable transmission of the preload force.