WO2022033032A1 - Novel force measurement and height adjustment apparatus and support - Google Patents

Abstract

A force measurement and height adjustment apparatus and support, comprising a height adjustment apparatus. The height adjustment apparatus comprises an upper adjustment plate (6) and a lower adjustment plate (8). The upper adjustment plate (6) and the lower adjustment plate (8) jointly enclose to form an adjustment cavity (9). Two adjustment blocks (3) are provided in the adjustment cavity (9). The top surfaces or bottom surfaces of the adjustment blocks (3) are wedge-shaped surfaces, the wedge-shaped surfaces being inclined flat surfaces or cylindrical surfaces or curved surfaces. Inclined flat surface or cylindrical surface or curved surface matching contact is formed between the top surface of the adjustment cavity (9) and the top surfaces of the adjustment blocks (3), and inclined flat surface or cylindrical surface or curved surface matching contact is formed between the bottom surfaces of the adjustment blocks (3) and an upper bearing surface of the lower adjustment plate (8). The relative sliding between the two adjustment blocks (3) causes a change in the height of the upper adjustment plate (6). Such a structures implements the accurate adjustment of the height of the support, automatically adjusts a height and makes up for a gap, can obtain a large vertical force merely by a small horizontal force, and has a force measurement function.

Description

A new type of force-measuring height-adjusting device and support technical field

The invention relates to the technical field of rail transit structural engineering, and can also be applied to the structural engineering fields of highways, municipal administrations, and buildings, in particular to a novel force-measuring height-adjusting device and a support.

Background technique

With the rapid development of the national economy, the scale and quantity of municipal infrastructure construction is increasing year by year, among which the construction of bridge facilities not only provides more convenience for citizens' lives, but also promotes urban transportation and economic development. Bridges are generally located on rivers and canyons, so ensuring the quality of bridges is an important task that cannot be ignored.

In bridge construction projects, the commonly used prefabricated beam structures such as hollow slabs and small box girder have a series of advantages such as mature technology, fast construction, reliable quality and beautiful appearance, and have been widely used in bridge engineering. Commonly used prefabricated beams such as hollow-core slabs and small box beams usually adopt the form of four-point support, that is, four supports are set at both ends of the bottom of a beam. Manufacturing errors, construction errors of beam erection, uneven settlement of the foundation, etc. will cause uneven stress on the beam body. The structure of four-point support often becomes three-point support. Once three-point support occurs, it will not only It will have an adverse effect on the support bearing itself, and will cause greater harm to the bridge structure. It will cause the hollow slab and other structures to distort during operation, and when the vehicle passes on the bridge, it will have a huge impact effect. It will have a large negative impact on the bridge structure and the environment.

At present, the commonly used measure to solve the hollowing out disease of the bearing is to adopt the height-adjusting bearing, and the beam body can be prevented from hollowing out by adjusting the height of the bearing, so as to ensure the uniform force of each bearing. The wedge-shaped adjustment method is the best height adjustment method at present, but after the wedge-shaped adjustment block method is adjusted to the set height, there is no reliable locking device to lock the two wedge-shaped blocks. Under the long-term action of the upper dynamic load, the two wedge-shaped blocks are prone to occur. The relative displacement makes the height of the support change, and it is impossible to reliably achieve accurate height adjustment. Moreover, the height adjustment device is affected by the upper load. When adjusting the height, it is necessary to vertically lift the beam body to release the load before adjustment, which is time-consuming and labor-intensive. low efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a novel force measuring height-adjusting device and a support to solve the problems in the background art.

In order to solve the above-mentioned technical problems, the present invention adopts the following scheme:

A new type of force-measuring height-adjusting device and support, including a height-adjusting device, the height-adjusting device includes an upper adjusting plate and a lower adjusting plate, the upper adjusting plate and the lower adjusting plate together form an adjusting cavity, and two adjusting chambers are arranged in the adjusting cavity. an adjustment block, the top surface and/or the bottom surface of the adjustment block is a wedge-shaped surface, the wedge-shaped surface is an oblique straight surface, a cylindrical surface or a curved surface, and the top surface of the adjustment cavity and the top surface of the adjustment block are an oblique straight surface or a column. The bottom surface of the adjustment block and the supporting surface of the lower adjustment plate are in matching contact with an oblique straight surface or a plane or a curved surface, and the relative sliding of the two adjustment blocks promotes the height change of the upper adjustment plate.

Due to the adoption of the above technical solution, the present invention changes the height of the upper adjustment plate by sliding the two adjustment blocks relative to each other. When the two adjustment blocks are far away from each other, the height of the upper adjustment plate rises, and vice versa. Conversion, only a small horizontal force can be used to lift the beam body, and the height of the support can be adjusted, which is simple and fast, saves time and effort, and improves efficiency.

Preferably, one or more combined limit locking devices are provided between the two wedge-shaped adjustment blocks. After the height adjustment device reaches the required elevation, a limit locking device is arranged between the two adjustment blocks, which can effectively reduce the gap between the two adjustment blocks. Relative displacement is not easy to occur again, so that the adjustment height can be maintained, which is beneficial to the safety of the beam body.

Preferably, the limit locking device is a steel plate, a profiled steel, an adjusting screw, a wedge block or a concrete block. A variety of limit locking devices can be used in combination according to the actual situation of the site, so that the limit locking device can be adjusted in a wider range.

Preferably, one or more sensing devices are arranged between the two wedge-shaped adjustment blocks, and the sensing devices are arranged independently or the sensing devices are combined in series with the limit locking device. The electrical signal generated by the sensing device under the action of the horizontal force is transmitted to the data acquisition system through a wireless or wired network to collect, analyze, process and measure the load. By decomposing the mechanical balance on the adjustment block, the vertical load is obtained in the reverse direction to achieve the purpose of force measurement. .

Preferably, the sensing device is combined with a limit locking device in series, and the limit locking device is located on one side of the sensing device or symmetrically arranged on both sides of the sensing device.

Preferably, a self-resetting elastic device is provided between the two wedge-shaped adjustment blocks, and the elastic device is arranged alone or combined with the limit locking device in series or in parallel, or in parallel or in series with the sensing device. When the support and the upper member are emptied, the load on the height-adjusting device is reduced, and the elastic device arranged between the two adjusting blocks releases the elastic force, so that the two adjusting blocks slide in the adjusting cavity and move away from each other at a certain distance, thereby Promote the height of the upper adjustment plate to rise, make up the void gap, realize the self-reset function, automatically adjust the height and make up the void gap.

Preferably, the elastic device is a spring or rubber body or polyurethane or spring steel.

Preferably, a support is provided above or below the height-adjusting device, and the support is any one of a basin support, a spherical support, a rubber support, and a shock-absorbing support.

Preferably, the support is an intelligent support, the support is placed in the pelvic cavity structure, the pelvic cavity is provided with a load-measuring body located on the bottom surface or the top surface of the support, the side of the load-measuring body is provided with a sensing device, and the sensing device is installed in the pelvic cavity. The signal line of the device is connected with an external data acquisition system. The force change of the upper support or the beam body is felt through the force-measuring body, and the force-measuring body is isotropic when it bears pressure in the pelvis, the pressure of each part inside is uniform, and the positive pressure and the force-measuring body on the pelvic body side pressure Basically the same principle, the force of the bearing is reflected to the external data acquisition system through the sensing device. The computer system in the system displays the actual load of the bearing and compares it with the normal load of the bearing. Real-time monitoring of the support load from a long distance, and real-time acquisition of the force data of the support.

Preferably, the front and rear sides or ends of the height-adjusting device are symmetrically provided with a power device, the output end of the power device acts on the end of an adjustment block, the output end of the power device is connected with a sensing device in series, and the fixed end of the power device is connected in series. Acting on the end of the other adjusting block, the power device is a hydraulic cylinder or a pneumatic cylinder or a mechanical transmission mechanism

Due to the adoption of the above technical solution, the power device exerts a horizontal or lateral force on the adjustment block, which urges the two adjustment blocks to slide relative to each other. When the two adjustment blocks are far away from each other, the height of the upper adjustment plate rises, and vice versa. The conversion to force requires only a small horizontal force to lift the beam body and realize the adjustment of the height of the bearing, which is simple and fast, saves time and labor, and improves the efficiency. With a small horizontal force, the upper structural member can be lifted up and the support can be replaced, which is convenient and quick, which greatly improves the replacement speed of the support, especially for the replacement of the support with a large load above. The sensor device connected in series at the output end of the power device can directly measure the horizontal or lateral force to achieve the purpose of force measurement; the electrical signal generated by the sensor device under pressure is transmitted to the data acquisition system through a wireless or wired network for collection and analysis The measured load is processed, and the vertical load is obtained in the reverse direction through the mechanical balance decomposition on the adjustment block, which can also calibrate the vertical force of the support.

The beneficial effects that the present invention has:

1. The present invention changes the height of the upper adjustment plate by sliding the two adjustment blocks relative to each other. When the two adjustment blocks are far away from each other, the height of the upper adjustment plate rises, and vice versa, and the horizontal force and the vertical force are converted through the adjustment block. The beam body can be lifted with a small horizontal force to realize the adjustment of the height of the support, which is simple and fast, saves time and labor, and improves the efficiency. The position locking device can control the gap between the two adjustment blocks, and the adjustment block is locked, so that the adjustment block is not easy to have relative displacement again under the action of the vertical force above, and the adjustment block is locked so that the adjustment block is vertically above. Under the action of the force, the relative displacement is not easy to occur again, so that the adjustment height can be maintained, which is beneficial to the safety of the beam body.

2. The limit locking device can achieve stepless and precise locking of the adjustment block, so that the adjustment block, limit locking device and sensing device are closely contacted with each other without installation gap, so that the height adjustment of the height adjustment device can reach the required elevation. Afterwards, the two adjustment blocks will no longer undergo relative displacement under the action of the upper vertical load, so that the height of the entire support will not change again, and the precise adjustment of the height of the device can be achieved.

3. When the support and the upper member are vacated, the load on the height-adjusting device is reduced, and the elastic device arranged between the two adjusting blocks releases the elastic force, so that the two adjusting blocks slide each other in the adjusting cavity and stay away from each other for a certain distance. , so as to promote the height of the upper adjustment plate to rise, make up the void gap, realize the self-reset function, automatically adjust the height and make up the void gap.

4. The limit locking device adopts two wedge-shaped blocks, and the relative sliding of the two wedge-shaped blocks can also realize the relative sliding of the wedge-shaped adjusting blocks. Thus, the height of the upper adjusting plate is changed. Therefore, through the multi-level lever principle of the wedge block and the adjusting block, the height of the device can be adjusted with a small force, so there is no need to invest more auxiliary equipment and the cost is saved.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a schematic structural diagram of the support below the height-adjusting device;

Figure 3 is a schematic structural diagram of the adjusting screw located on one side of the sensing device;

Figure 4 is a schematic structural diagram of the adjusting screw located on both sides of the sensing device;

Fig. 5 is the structural schematic diagram of the adjusting screw series sensing device;

6 is a schematic structural diagram of a sliding mode of a wedge block;

Fig. 7 is the top view of Fig. 6;

8 is a schematic structural diagram of another sliding mode of the wedge-shaped block;

Fig. 9 is the structural schematic diagram of the wedge block connected to the power device in Fig. 8;

10 is a schematic structural diagram of a sensor device and an elastic device connected in series;

Fig. 11 is the top view of Fig. 10;

12 is a schematic structural diagram of a parallel connection between a sensing device and an elastic device;

Figure 13 is a schematic diagram of the connection between the height-adjusting device and the power device;

Figure 14 is a perspective view of a power plant;

Fig. 15 is the schematic diagram of separately setting the adjustment screw;

Figure 16 is a schematic diagram of the combination of the adjusting screw and the steel plate;

Fig. 17 is another schematic diagram of the combination of adjusting screw and steel plate;

18 is a schematic structural diagram of Embodiment 6;

FIG. 19 is a schematic view of the structure in which the adjustment block is a double wedge surface.

Reference numerals: 1-support, 2-upper friction pair, 3-adjustment block, 4-lower friction pair, 5-sensing device, 6-upper adjustment plate, 7-bolt, 8-lower adjustment plate, 9- Adjustment cavity, 10-adjustment screw, 11-limit locking device, 12-wedge block, 13-first base plate, 14-second base plate, 15-power source, 16-elastic device, 17-power device, 18-steel plate , 19-force-measuring body, 20-data acquisition system, 21-pelvic cavity.

detailed description

The present invention will be further described in detail below with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal" , "inside", "outside", "front", "rear", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the attached drawings, or when the invention product is used The usual orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a Invention limitations.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "opened", "installed", "connected" and "connected" should be understood in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

As shown in Figures 1, 2, and 19, a new type of force-measuring height-adjusting device and support, including a height-adjusting device, the height-adjusting device includes an upper adjustment plate 6 and a lower adjustment plate 8, the upper adjustment plate 6 and the lower adjustment plate The plates 8 together form an adjustment cavity 9, and two adjustment blocks 3 are arranged in the adjustment cavity 9. The top and/or bottom surfaces of the adjustment blocks 3 are wedge-shaped surfaces, that is, the adjustment blocks are single-wedge-shaped surfaces or double-wedge-shaped surfaces, so The wedge-shaped surface is an oblique straight surface or a cylindrical surface or a curved surface, the top surface of the adjusting cavity 9 and the top surface of the adjusting block 3 are in contact with an oblique straight surface or a cylindrical surface or a curved surface, and the bottom surface of the adjusting block 3 is supported on the lower adjusting plate 8. The surfaces are in contact with oblique straight surfaces or planes or curved surfaces, and the relative sliding of the two adjustment blocks 3 causes the height of the upper adjustment plate 6 to change. An upper friction pair 2 is provided between the top surface of the adjustment cavity 9 and the top surface of the adjustment block 3, and the contact surface between the top surface of the adjustment cavity 9 and the top surface of the adjustment block 3 and the upper friction pair 2 is an oblique straight surface, a cylindrical surface or a curved surface There is a lower friction pair 4 between the bottom surface of the adjustment block 3 and the upper bearing surface of the lower adjustment plate 8, and the contact surface of the adjustment block 3 and the lower adjustment plate 8 with the lower friction pair 4 is a plane or an oblique straight surface or a curved surface respectively. , the upper friction pair 2 enhances the wear resistance between the contact surfaces, and at the same time makes the two adjustment blocks 3 slide more smoothly in the adjustment cavity 9, and the lower friction pair 4 enhances the wear resistance between the contact surfaces, while making the two adjustment blocks 3 more smoothly. The adjusting block 3 slides more smoothly on the lower adjusting plate 8, so that the height adjustment of the height adjusting device is easier.

Specifically, the present invention changes the height of the upper adjustment plate 6 by sliding the two adjustment blocks 3 relative to each other. When the two adjustment blocks 3 are far away from each other, the height of the upper adjustment plate 8 rises, and vice versa. For force conversion, only a small horizontal force is needed to lift the beam body, and the height of the support can be adjusted, which is simple and fast, saves time and effort, and improves efficiency. After the height-adjusting device reaches the required elevation, by setting the limit locking device 11 between the two adjusting blocks 3, the gap between the two adjusting blocks 3 can be effectively reduced, and the adjusting block 3 is locked so that the adjusting block 3 is vertically positioned above Under the action of the force, the relative displacement is not easy to occur again, so that the adjustment height can be maintained, which is beneficial to the safety of the beam body.

Example 2

As shown in FIGS. 15-17 , one or more combined limit locking devices 11 are provided between the two wedge-shaped adjusting blocks 3 . After the height-adjusting device reaches the required elevation, by setting the limit locking device 11 between the two adjusting blocks 3, the gap between the two adjusting blocks 3 can be effectively reduced, and the adjusting block 3 is locked so that the adjusting block 3 is vertically positioned above Under the action of the force, the relative displacement is not easy to occur again, so that the adjustment height can be maintained, which is beneficial to the safety of the beam body.

The limit locking device 11 is a steel plate 18, a profiled steel, an adjusting screw 10, a wedge block 12 or a concrete block. A variety of limit locking devices 11 can be selected and used in combination according to the actual situation on site, so that the limit locking device 11 can be adjusted in a wider range. In this embodiment, the limit locking device 11 in the form of a steel plate 18 or a profiled steel or a concrete block is used. Taking the steel plate 18 as an example, the steel plate 18 is directly arranged between the two adjusting blocks 3 to limit the relative sliding of the two adjusting blocks 3 .

In this embodiment, an adjustment screw 10 is also provided on one side or both sides of the steel plate 18. One end of the adjustment screw 10 is threadedly connected with the adjacent adjustment block 3, and the other end is in contact with the steel plate 18. Since the gap between the two adjustment blocks 3 is in contact with the steel plate The thickness of 18 cannot be exactly the same. The steel plate 18 performs preliminary limit locking on the two adjustment blocks 3 to minimize the gap between the two adjustment blocks 3, reduce the adjustment distance of the adjustment screw 10, and improve the locking efficiency. The adjusting screw 10 can eliminate the installation gap between the two adjusting blocks 3 and the steel plate 18, and play the role of steplessly and precisely locking the adjusting blocks 3, so that the two adjusting blocks 3 will not be displaced relative to each other under the vertical load above. , so that the height of the support will not change, and the height of the device can be precisely adjusted.

In this embodiment, an adjustment screw 10 can also be directly arranged between the two adjustment blocks 3 . One end of the adjustment screw 10 is threadedly connected with the adjacent adjustment block 3 , and the other end is in contact with another adjustment block 3 , and the adjustment screw 10 is rotated to change the adjustment. The gap between the free end of the screw 10 and the adjusting block 3 makes the two adjusting blocks 3 no longer have relative displacement under the action of the vertical load above, so that the height of the support will not change, and the height of the device can be accurately adjusted.

Example 3

As shown in Figures 6-9, in this embodiment, a limit locking device 11 in the form of a combination of a wedge-shaped block 12 and a steel plate 18 is used between the two adjustment blocks 3. The wedge-shaped block 12 is arranged between the steel plate 18 and the adjustment block 3, and the steel plate 18 Select an appropriate number according to actual needs, the inclined surfaces of the two wedge-shaped blocks 12 match each other, and the two wedge-shaped blocks 12 slide up and down each other or slide each other forward and backward to adjust the installation gap between the steel plate 18 and the adjustment block 3. A plurality of steel plates 18 perform preliminary limit locking on the two adjusting blocks 3, minimize the gap between the two adjusting blocks 3, reduce the sliding adjustment distance of the wedge-shaped block 12, and improve the locking efficiency. The mutual sliding of the two wedge-shaped blocks 12, It can effectively make up the gap between the adjustment block 3 and the steel plate 18, realize the stepless and precise locking of the adjustment block 3, and at the same time, make the adjustment block 3, the wedge block 12 and the steel plate 18 close to each other in contact with each other without installation gap, so that After the height adjustment of the height-adjusting device reaches the required height, the two adjustment blocks 3 will no longer be displaced relative to each other under the action of the vertical load above, so that the height of the entire support will not change again, and the precise adjustment of the height of the device can be achieved; The relative sliding of the two wedge-shaped blocks 12 can also realize the relative sliding of the adjustment block 3. Through the lever principle of the wedge-shaped block 12, the relative sliding of the adjustment block 3 can be realized only with a small force, thereby changing the height of the upper adjustment plate 6. Therefore, through the multi-level lever principle in which the wedge block 12 and the adjustment block 3 cooperate, the height adjustment of the device can be achieved with a small force, thus eliminating the need to invest more auxiliary equipment and saving costs. In this embodiment, in order to facilitate the sliding of the wedge-shaped blocks 12, a power device 17 is installed on the two wedge-shaped blocks 12. The output end of the power device 17 acts on the end of one wedge-shaped block 12, and its fixed end acts on the other wedge-shaped block 12. At the end, the power device 17 provides power to complete the mutual sliding of the wedge blocks 12, which is efficient and convenient, saving time and effort.

Example 4

As shown in FIGS. 3-5 , one or more sensing devices 5 are arranged between the two wedge-shaped adjusting blocks 3 , and the sensing devices 5 are arranged independently or the sensing devices 5 are combined with the limit locking device 11 in series. The electrical signal generated by the sensing device 5 under the action of the horizontal pressure is transmitted to the data acquisition system 20 through a wireless or wired network to collect, analyze and process the measured load. purpose of force. The data acquisition system 20 includes a demodulator and a computer system, the input end of the demodulator is connected to the sensing device installed on the force-measuring body through a signal line, and the output end of the demodulator is connected to the sensor device through a wireless network or a wired network. The computer system is connected, and the computer system is also provided with a real-time monitoring and alarm system. By using a signal line, the sensing device 5 senses the compressive stress change of the force-measuring carrier and outputs the pressure wavelength signal to the demodulator, and the demodulator analyzes and processes the wavelength signal and transmits it to the computer system through a wireless network or a wired network for processing. Afterwards, the actual load of the support is visually displayed and compared with the normal use load of the support. When an abnormality occurs, an alarm is issued to monitor the load of the support from a long distance and collect the force data of the support in real time.

The sensing device 5 is combined with the limit locking device 11 in series, and the limit locking device 11 is located on one side of the sensing device 5 or symmetrically arranged on both sides of the sensing device 5 . The limit locking device 11 is in the form of a steel plate 18, an adjusting screw 10 or a combination of the two, or a combination of the steel plate 18 and the wedge block 12. The number of the steel plates 18 is multiple. Between the two steel plates 18, adjusting screws 10 are arranged on the sides of the steel plates 18 at both ends, and one end of the adjusting screws 10 away from the steel plates 18 is threadedly connected with the adjusting block 3, or two wedge-shaped blocks 12 are arranged on the sides of the steel plates 18 at both ends, so that the mutual connection between the two wedge-shaped blocks 12 The sliding or the rotation of the adjusting screw 10 makes the contact surfaces of the adjusting block 3, the wedge block 12, the steel plate 18 and the sensing device 5 close to each other without installation gap. 3 Under the action of the upper vertical load, there will be no relative displacement, so that the height of the entire support will not change again, and the precise adjustment of the height of the device can be achieved; another way is to use one end of the adjustment screw 10 and the adjacent adjustment block. 3 threaded connections. The other end is in contact with the steel plate 18 , and the sensing device 5 is sandwiched between the steel plate 18 and the adjusting block 3 , so that the effect of close contact between the contact surfaces can be achieved by rotating the adjusting screw 10 .

Example 5

As shown in FIGS. 10-12 , a self-resetting elastic device 16 is provided between the two wedge-shaped adjustment blocks 3 , and the elastic device 16 is arranged alone or combined with the limit locking device 11 in series or in parallel, or in parallel with the sensing device 5 or a series combination. The elastic device 16 is a spring or rubber body or polyurethane or spring steel. If it is connected in series with the sensing device 5, the sensing device 5 is located between the end of the elastic device 16 and the adjustment block 3, and if it is in parallel, the sensing device 5 and the elastic device 16 are distributed between the adjustment blocks 3 at intervals. When the support and the upper member are emptied, the load on the height-adjusting device is reduced, and the elastic device 16 disposed between the two adjusting blocks 3 releases the elastic force, so that the two adjusting blocks 3 slide and move away from each other in the adjusting cavity 9 A certain distance, so as to promote the height of the upper adjustment plate 6 to rise, make up the void gap, realize the self-reset function, automatically adjust the height and make up the void gap.

Example 6

As shown in FIG. 18 , a support 1 is provided above or below the height adjusting device, and the support 1 is any one of a basin support, a spherical support, a rubber support, and a shock-absorbing support.

The support 1 is an intelligent support, the support 1 is placed in the structure of the pelvic cavity 21, and the pelvic cavity 21 is provided with a force-measuring carrier 19 located on the bottom or top surface of the support 1, and the side of the force-measuring carrier 19 is provided with a sensor. In the device 5, the signal line of the sensing device 5 is connected to the external data acquisition system 20. The sensing device 5 in this embodiment selects an alloy thin film resistive pressure sensor. This kind of sensor is small in size, high in measurement accuracy (up to 0.2 level and above), strong in corrosion resistance, strong in vibration resistance, and can measure accurately in a wide temperature range (-200℃～100℃), which is in line with the requirements of the support. external environment. The force change of the upper support or the beam is sensed through the force-measuring body 19 , and the force-measuring body 19 is isotropic when it bears pressure in the pelvic cavity 21 , the pressure of each internal part is uniform, and the positive pressure is opposite to the force-measuring body 19 . The principle of the pressure on the side of the pelvis is basically the same, so that the force of the support 1 is reflected to the external data acquisition system 20 through the sensing device. The computer system in the system displays the actual load of the support 1 and compares it with the normal use load of the support 1 , and alarm when abnormality occurs, so as to monitor the load of the support 1 from a long distance, and collect the force data of the support 1 in real time. When the data acquisition system detects that the force of the support 1 is unreasonable, it is necessary to change the height of the support to make the force change. It only needs to adjust the distance between the two adjustment blocks 3, and then the adjustment of the upper adjustment plate 6 can be quickly adjusted. Height, to achieve stepless adjustment.

Example 7

As shown in Figures 13 and 14, a power device 17 is symmetrically arranged on the front and rear sides or ends of the height adjusting device. In the sensing device 5, the fixed end of the power device 17 acts on the end of the other adjustment block 3. In this embodiment, the power device 17 includes a first base plate 13, a second base plate 14 and a power source 15. Two base plates 14 are used to realize the connection between the power device 17 and the adjustment block 3 , the first base plate 13 is connected to the end of one of the adjustment blocks 3 , the second base plate 14 is connected to the end of the other adjustment block 3 , and the power source 15 is installed on the second On the base plate 14, the output end of the power source 15 is fixed with the first base plate 13, the first base plate 13 and the second base plate 14 are located at the same end of the two adjustment blocks 3, and the power source 15 is a hydraulic cylinder or a pneumatic cylinder or a mechanical transmission mechanism.

Specifically, the power device 17 applies a horizontal or lateral force to the adjustment block 3 to urge the two adjustment blocks 3 to slide relative to each other. When the two adjustment blocks 3 move away from each other, the height of the upper adjustment plate 6 rises, and vice versa. The conversion of force and vertical force only requires a small horizontal force to lift the beam body and realize the adjustment of the height of the bearing, which is simple and fast, saves time and labor, and improves the efficiency. At the same time, when the bearing needs to be replaced, The power unit 17 provides a small horizontal force, which can lift the upper structural member and replace the support, which is convenient and quick, and greatly improves the replacement speed of the support, especially for the support with a large load above. Strong practicability, the sensor device 5 connected in series with the output end of the power device 17 can directly measure the horizontal or lateral force to achieve the purpose of force measurement; the electrical signal generated by the sensor device 5 after being subjected to pressure can pass through a wireless or wired network. The load is transmitted to the data acquisition system to collect, analyze, process, and measure the load. Through the mechanical balance decomposition on the adjustment block 3, the vertical load is obtained in the reverse direction, which can also calibrate the vertical force of the support.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. According to the technical essence of the present invention, within the spirit and principles of the present invention, any simple Modifications, equivalent replacements and improvements, etc., still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A novel force-measuring height-adjusting device and a support, comprising a height-adjusting device, the height-adjusting device comprising an upper adjustment plate (6) and a lower adjustment plate (8), an upper adjustment plate (6) and a lower adjustment plate (8) An adjustment cavity (9) is formed together, and two adjustment blocks (3) are arranged in the adjustment cavity (9), characterized in that the top surface and/or the bottom surface of the adjustment block (3) are wedge-shaped The surface is an oblique straight surface or a cylindrical surface or a curved surface, the top surface of the adjustment cavity (9) and the top surface of the adjustment block (3) are in matching contact with an oblique straight surface or a cylindrical surface or a curved surface, and the bottom surface of the adjustment block (3) is in contact with the lower surface of the adjustment block (3). The upper supporting surfaces of the adjustment plate (8) are in matching contact with oblique straight surfaces or planes or curved surfaces, and the relative sliding of the two adjustment blocks (3) promotes the height change of the upper adjustment plate (6).
2. A new type of force-measuring height-adjusting device and support according to claim 1, characterized in that, one or more combined limit locking devices (11) are arranged between the two wedge-shaped adjusting blocks (3). .
3. A new type of force-measuring height-adjusting device and support according to claim 2, characterized in that the limit locking device (11) is a steel plate (18), a section steel, an adjusting screw (10), a wedge-shaped block (12) ) or concrete blocks.
4. A new type of force-measuring height-adjusting device and support according to claim 1, characterized in that, one or more sensing devices (5) are arranged between the two wedge-shaped adjusting blocks (3) for sensing The device (5) is arranged independently or the sensing device (5) is combined with the limit locking device (11) in series.
5. A new type of force-measuring height-adjusting device and support according to claim 4, characterized in that the sensing device (5) is combined with the limit locking device (11) in series, and the limit locking device (11) is located in the One side of the sensing device (5) or symmetrically arranged on both sides of the sensing device (5).
6. A new type of force-measuring height-adjusting device and support according to claim 4, characterized in that a self-resetting elastic device (16) is provided between the two wedge-shaped adjustment blocks (3), and the elastic device (16) It is set alone or combined with the limit locking device (11) in series or in parallel, or combined with the sensing device (5) in parallel or in series.
7. A new type of force-measuring height-adjusting device and support according to claim 6, characterized in that, the elastic device (16) is a spring or a rubber body or a polyurethane or spring steel.
8. A novel force-measuring height-adjusting device and support according to claim 1, characterized in that, a support (1) is provided above or below the height-adjusting device, and the support (1) is a basin-type support, Any one of spherical bearings, rubber bearings and shock isolation bearings.
9. A new type of force-measuring height-adjusting device and support according to claim 8, characterized in that, the support (1) is an intelligent support, and the support (1) is placed in the pelvic cavity (21) structure, and the pelvic cavity (21) A force-measuring carrier (19) located on the bottom or top surface of the support (1) is provided inside, and the side of the force-measuring carrier (19) is provided with a sensing device (5), and the signal of the sensing device (5) line to connect to an external data acquisition system.
10. A new type of force-measuring height-adjusting device and support according to claim 1, characterized in that, a power device (17) is symmetrically arranged on the front and rear sides or ends of the height-adjusting device, and the power device (17) The output end of the power device (17) acts on the end of an adjusting block (3), the output end of the power device (17) is connected with a sensing device (5) in series, and the fixed end of the power device (17) acts on the end of another adjusting block (3), The power device (17) is a hydraulic cylinder or a pneumatic cylinder or a mechanical transmission mechanism.

Images