211results about How to "Change support height" patented technology

The invention discloses an underground pipeline box culvert. The underground pipeline box culvert comprises sequentially-connected box culvert units. Fire disaster expansion gaps are reserved between the box culvert units. Each box culvert unit comprises an inverted-U-shaped upper cement cover plate, a middle cement partition plate, a cement base plate and a pipe support installed on the vertical surfaces of the inner side of the upper cement cover plate and / or the vertical surfaces of the middle cement partition plate, wherein the upper cement cover plate, the middle cement partition plate and the cement base plate are matched, the lower end of the upper cement cover plate and the cement base plate are matched on the two transverse sides of the box culvert in the longitudinal direction of the box culvert in an embedded and sleeved mode, and the embedded, sleeved and matched structure A comprises fire disaster expansion gaps formed in the transverse direction of the box culvert; the lower end of the middle cement partition plate and the middle of the upper side of the cement base plate are matched in the longitudinal direction of the box culvert in an embedded and sleeved mode; the upper end of the middle cement partition plate and the middle of the lower side of the upper cement cover plate are matched in the longitudinal direction of the box culvert in an embedded and sleeved mode, and the embedded, sleeved and matched structure B comprises fire disaster expansion gaps formed in the height direction of the box culvert. By means of the underground pipeline box culvert, cracking and collapsing, caused by expansion of concrete coarse aggregate, of a box culvert structure during a fire disaster can be avoided, the transport cost and the installation cost are low, the fireproof limitation of the box culvert is high, and the pipe supports bring convenience to pipeline installation.

The invention relates to a single-column lifting machine which comprises a base and a stand column fixed to the base. A lifting arm is connected to the stand column in a sliding manner. A transverse beam is fixed to the rear portion of the lifting arm. A set of rear supporting arms are locked to the two ends of the transverse beam through locking rings correspondingly. Two sets of front supporting arms are symmetrically arranged at the front end of the lifting arm through supporting arm locking devices. A lengthening sleeve is detachably arranged at the front end of each rear supporting arm, and a lengthening sleeve is detachably arranged at the front end of each front supporting arm. Each lengthening sleeve is provided with a double-screw type supporting pad assembly in an inserted and sleeved manner. The single-column lifting machine can lift a vehicle, the length of the front supporting arms and the rear supporting arms can be adjusted fast through the lengthening sleeves, and the single-column lifting machine can be suitable for different vehicle types. The supporting height can be adjusted fast through the double-screw type supporting pad assemblies, and the single-column lifting machine is simple in structure, convenient to adjust and wide in application range.

The invention relates to the technical field of petroleum pipeline supporting equipment, and discloses a petroleum pipeline support. The petroleum pipeline support comprises a supporting base. The topof the supporting base is fixedly provided with a supporting loop bar. First sliding grooves are formed in the two side walls of an inner cavity of the supporting loop bar, and sliding rails are fixedly arranged in the first sliding grooves. Two first rotary discs are movably arranged on the opposite sides of the sliding rails. The axis positions of the first rotary discs are fixedly connected with output shafts of drive motors, and two fixing lantern rings located on the rear side wall of the inner cavity of the supporting loop bar are fixedly arranged above the first rotary discs. Accordingto the petroleum pipeline support, movable push rods are arranged, the drive motors drive the first rotary discs to rotate, the first rotary discs are in an oval shape, and when the first rotary discs rotate to the long end and make contact with the movable push rods, the movable push rods are pushed to move upwards, accordingly, the distance between a supporting frame rod and the supporting loopbar is adjusted, the supporting height of the support is conveniently adjusted according to different installing terrains of the petroleum pipeline, and using is very convenient.

The invention relates to a plastic greenhouse steel structure framework installation construction method. The method mainly comprises the following steps of installation preparation, frame installation, soil burying, inspection and acceptance and other processes. A steel structure framework positioning and righting device used in the method comprises a bottom plate, a rotating device, a lifting device, a clamping device and a locking device. The method can solve the following problems existing in the installation operation of an existing plastic greenhouse: a, when a traditional plastic greenhouse is installed, after a steel structure is inserted into soil, a supporting column needs to be used for supporting the steel structure to ensure the stability of the steel structure, the supportingcolumn cannot stably support the steel structure, the steel structure is prone to collapse, and safety accidents are prone to occurring; and b, when an existing plastic greenhouse supporting device supports the steel structure, the steel structure cannot be stably supported, the supporting angle and height cannot be adjusted, and the supporting quality of the steel structure can be improved.

The invention relates to the technical field of office tables, in particular to an intelligent office table with a massage function. The intelligent office table comprises a table top plate, wherein table legs are vertically and fixedly mounted at four corners of the bottom end of the table top plate; a groove is formed in the left side of the top end of the table top plate; mounting holes are formed in the upper parts of the groove walls of the left and right sides of the groove; rotating rods are movably mounted in the mounting holes; a lifting device is jointly and fixedly mounted between the two rotating rods; and an adjusting mechanism is arranged at the top end of the table top plate and located behind the lifting device. According to the intelligent office table, the top ends and the side faces of the legs of a user can be massaged back and forth, so the legs are fully relaxed, and the intelligent office table can adapt to people with different leg widths; the lifting device is arranged and can lift the jaw of a user, so cervical vertebra pressure is relieved to relax the cervical vertebra; and the intelligent office table can adjust the supporting height of a computer through an adjusting mechanism, so the intelligent office table meets the use requirements and is worthy of application and popularization.

The invention relates to the technical field of medical equipment, and discloses an auxiliary supporting device for ophthalmic surgery. The auxiliary supporting device includes a supporting seat, lifting rods are slidably installed on the two sides of the supporting seat, a positioning mechanism for limiting the up-down movement of the lifting rods is arranged on the supporting seat, a horizontalplate is installed at the top, a column body is fixedly installed at the top of the horizontal plate, an adjustment block is slidably installed on the column body, an adjustment rod is hinged to the adjustment block, a placing plate is hinged to the top of the column body, the top of the adjustment rod is hinged to the placing plate, a chin pad is arranged at the top of the placing plate, a vertical rod is installed at the top of the placing plate, a top board is installed at the top of the vertical rod, and a sleeve is fixedly installed on the top board. The positioning of the head of a patient is realized, the head of the patient is supported, the adjustment of the head placement angle of the patient is realized, doctors can perform observation and treatment from different angles conveniently, the adjustment of the supporting height facilitates the use by people of different heights, and the quality of use is improved.

The invention discloses an adjustable movable agricultural seedling transplanter, which comprises a seedling picking shovel, a water tank and a handle. A first movable rod is arranged on the top of the seedling picking shovel, a movable hole is arranged on the side face of a second movable rod, a movable connecting frame is arranged on the inner side of the movable hole, a spray head is arranged at the lower part of the movable connecting frame, a movable pressure silo is arranged on the upper part of the movable connecting frame, a reset spring is arranged on the inner side of the movable pressure silo, a water inlet is arranged on the lateral upper side of the movable pressure silo, the water tank is located at the end of a connecting pipe, the handle is located above the first movable rod, an adjusting sleeve rod is arranged at the lower part of the handle, and a stretching spring is arranged on the inner side of the adjusting sleeve rod. The adjustable movable agricultural seedlingtransplanter is equipped with the first movable rod and the second movable rod, the seedling picking shovel on both sides can be driven to open and close at a suitable angle during the application ofthe device, so that the soil can be excavated and clamped at the same time from both sides of the seedling.

The invention discloses a supporting component and detection equipment, relates to the technical field of glass substrate detection, and is used for improving the detection accuracy of glass substrateverticality. The invention has the main technical scheme that the supporting component comprises a base, a supporting part and a lifting mechanism, wherein the lifting mechanism comprises a telescopic airbag and an inflation and deflation component; the bottom of the telescopic airbag is connected to the base; the top of the telescopic airbag is connected to the supporting part; and the inflationand deflation component is connected to the telescopic airbag for inflating or deflating the telescopic airbag so as to regulate the supporting height of the supporting part.

The invention relates to a walking-assisted tool, in particular to a walking stick. The walking stick assists an old man or a disabled person of walking, the supporting part under the arm can be adjusted, the height of the position where the hand holds a handle is convenient to adjust, an exercise effect on the hand of a user can be achieved, the supporting height of the walking stick can be adjusted, and a buffer effect is achieved. A support rest is movably connected with a supporting body; a handle groove is formed in the supporting body, and rails are arranged in the supporting body; the handle is arranged in the handle groove; the upper end of a telescoping rod is connected with the supporting body, and the lower end of the telescoping rod is connected with an adjusting plate; a first bolt installation groove is formed in a first adjusting sleeve, a second bolt installation groove is formed in a second adjusting sleeve, and a cushion is arranged between the first adjusting sleeve and the second adjusting sleeve; a third threaded hole is formed in the second adjusting sleeve and located at the lower end of the second adjusting sleeve, and a height adjusting cylinder is in threaded connection with the third threaded hole; a second through hole is formed in the height adjusting cylinder, and a rubber plug is connected with the second through hole.

The invention discloses a waist supporting pad for the general surgery department, and belongs to the technical field of medical equipment. The waist supporting pad comprises a first rubber pad, a rubber partition plate, an air pad, a second rubber pad and fixing plates, wherein the air pad is arranged at the top of the first rubber pad, the rubber partition plate is arranged at the top of the airpad, the second rubber pad is arranged at the top of the rubber partition plate, two fixing blocks are arranged at the top of the rubber partition plate and located on the two sides of the second rubber pad respectively, grooves are formed in the fixing blocks, the fixing plates are symmetrically arranged on the two sides of the upper part of the second rubber pad and are perpendicular to the fixing blocks, sliding blocks are arranged at the two ends of the bottom of each fixing plate, the fixing plates are slidingly connected with the grooves through the sliding blocks, an inflating pipe isarranged on one side of the air pad, an air bag is arranged at the movable end of the inflating pipe, and a deflating port is formed in the air pad. The waist supporting pad for the general surgery department is adjustable in height, comfortable to use and capable of fixing the body posture, thereby having high practicability.

The invention discloses an end portion balance supporting device for a compartment of an agricultural tractor. The device comprises a triangular block and a hollow shell; the bottom of the side face of the triangular block is provided with an insertion block structure, and the triangular block and the insertion block structure are of an integrated structure; limiting fixing mechanisms are arrangedon the two sides of one end of the insertion block structure and integrated with the insertion block structure; a rectangular insertion hole communicating with the surface of the triangular block isformed inside the center of the triangular block; a through hole structure for communicating the rectangular insertion hole and the outside is arranged inside the triangular block; and a rectangular block is inserted into the rectangular insertion hole. During working, the device can be directly inserted into a herringbone triangle position in the end portion of the compartment and is very convenient to use; in addition, the device has the function of adjusting the supporting height, when the device and a machine head are dismounted and mounted, convenience and rapidness are achieved; and besides, the device can effectively ensure the stress condition of an inner thread structure, prevents the phenomenon that threads are damaged due to stress overload and is high in practicability.

The invention provides a novel laptop heat dissipation base. The novel laptop heat dissipation base comprises a heat dissipation seat, a height adjustment seat and a fixing seat in sequential arrangement from top to bottom. The fixing seat is provided with a plurality of vertically through fixing holes, upper and lower ends of the height adjustment seat are provided with the heat dissipation seat and the fixing seat respectively to realize height adjustment of the heat dissipation seat, and a lower heat dissipation space is formed between the heat dissipation seat and the height adjustment seat. A vertically through heat dissipation passage is formed in the middle of the heat dissipation seat, a heat dissipation fan is mounted in the heat dissipation passage, a plurality of supporting columns protruding upwards are arranged on the upper end surface of the heat dissipation seat, and upper end surfaces of the supporting columns are laptop supporting surfaces. After a laptop is put on the laptop supporting surfaces of the supporting columns, an upper heat dissipation space is formed between the laptop and the heat radiation seat, and the upper heat dissipation space and the lower heat dissipation space are both connected with the heat dissipation passage. The novel laptop heat dissipation base can be mounted on a desktop of an office desk, a speech desk, a teacher's desk, a school desk and the like in various places and is capable of adjusting the laptop supporting height while providing a laptop heat dissipation function.

The invention discloses a concrete pipe gallery inner mold in-place and demolding method. The concrete pipe gallery inner mold in-place and demolding method comprises an inner mold frame and a liftingtrolley used for moving the inner mold frame in place, the inner mold frame comprises a portal frame, movable stand columns are arranged on the two sides of the portal frame, side mold plates are installed on the movable stand columns, and the movable stand columns are connected with the portal frame through translation drivers; a top mold plate is mounted at the top of the portal frame; stand column lifting supporting legs are arranged at the bottoms of the movable stand columns, and the height of the whole inner mold frame is adjusted through the stand column lifting supporting legs; and bottom middle supporting legs capable of rising and falling are further arranged at the bottom of the portal frame. During construction, the lifting trolley lifts the inner mold frame to move and be preliminarily in place, the position and the height of the side mold plate are adjusted by combining the inner mold frame, and mold erecting and demolding work is achieved.

The invention discloses a bridge structure supporting frame with a stabilizing function. The bridge structure supporting frame can effectively support a bridge structure, the supporting height of the supporting frame can be adjusted reasonably, applicability is good, the supporting effect is better, using is more convenient, and the construction quality of the bridge structure is effectively ensured; the position of balance posts can be adjusted correspondingly according to actual requirements so that the supporting frame can be effectively supported, relative stability of the supporting frame is ensured, the phenomenon of tilting of the supporting frame is effectively avoided, and stability is great; and pressure borne by a supporting base can be effectively relieved, the supporting frame has shock absorption performance and antiskid performance to a certain extent, relative stability of the supporting frame is ensured, and the supporting effect is better.

The invention discloses a building construction supporting device with a damping function. The building construction supporting device comprises a base, wherein a concrete reinforcing layer is arranged on the inner side of the base; an outer sleeve is arranged on the inner side of the concrete reinforcing layer; an inner sleeve column matched with the outer sleeve is arranged on the inner side ofthe outer sleeve in a sleeving mode; a fixing seat is arranged in the middle of the top of the inner sleeve column; a sleeve is arranged in the middle of the interior of the fixing seat; an inner sleeve matched with the sleeve is arranged on the inner side of the sleeve in a sleeving mode; and a spring A connected with the sleeve is arranged at the bottom of the inner sleeve. According to the building construction supporting device with the damping function, through sleeving connection of the outer sleeve and the inner sleeve column, during attaching supporting of the device, a pressing damping assembly and an attaching damping assembly are combined with each other and matched in a linkage mode, so that the supporting effect and strength of the device are greatly improved, impact force andvibration force which are generated during supporting are relieved, the overall structural strength of the device is enhanced, and the buffering function and the compression resistance effect of thedevice are improved.

The invention discloses an auxiliary support for lap joint of heat supply pipelines. The auxiliary support comprises a support member, a mounting base, a gas conveying channel, stop blocks and attaching pieces, wherein the inner end of the support member is in threaded connection with a threaded rod; the outer surface of the support member is in bearing connection with a movable rod; a first rotating shaft is arranged at the outer end of the movable rod in a penetrating mode; the upper end of the movable rod is in bearing connection with the mounting base; the outer side of the lower end of the movable rod is fixedly connected to a first pull rope; and the first pull rope is connected to the inner side of the support member. According to the auxiliary support for lap joint of the heat supply pipelines, an abutting piece making contact with a pipe fitting in advance is stressed along with automatic upward movement of the mounting base according to the height of the pipe fitting, and then the stop blocks connected to the abutting piece are stably driven to move inwards by the corresponding pull ropes through meshing structures between the abutting piece and gears, so that the workingeffect of automatic limiting is achieved on the outer side of the pipe fitting; and meanwhile, a third pull rope in butt joint with the upper end of the pipe fitting drives the two sets of attachingpieces to synchronously move downwards, and then the working effect of secondary self-limiting on the upper end of the pipe fitting is achieved.

The invention discloses a device for tunnel excavation and unloading. The device comprises a center shaft, support structures and steel tube pieces, wherein the two or more steel tube pieces are arranged and are arc-shaped pieces; the radians of the steel tube pieces are compatible with the inner wall of a tunnel to be simulated; the two or more steel tube pieces are sequentially stuck on the inner wall of the tunnel to be simulated in a surrounding way, and a cylindrical inner cavity is formed by the two or more steel tube pieces; the center shaft is arranged at a central axis of the cylindrical inner cavity; each support structure comprises a connecting rod and support rods respectively connected with the two ends of the connecting rod; the connecting rods are fixedly installed on the center shaft by means of the support rods; bearings are also installed on the connecting rods; the bearings are connected with the inner tube walls of the steel tube pieces in a sliding support way. Thedevice for tunnel excavation and unloading has the beneficial effect that the device can well replace a water bag and wax in the traditional scheme, thus realizing first loading and then excavating.

The invention discloses a wheelchair and walking stick matching device, which comprises a wheelchair shell, a shell cavity is formed in the wheelchair shell, a cushion overturning mechanism is arranged in the shell cavity, the cushion overturning mechanism comprises a base shell, the base shell is fixedly arranged on the inner wall of the left side of the shell cavity, a base cavity with an upward opening is formed in the base shell, a turnover motor is arranged in the base cavity,a seat cushion reversing mechanism is arranged in the seat, the seat cushion reversing mechanism can actively raise the height and then slowly descend, the handicapped can sit down more conveniently, a walking stick telescopic mechanism is arranged in the seat, the walking stick can automatically ascend and descend, therefore, the supporting height of a user is changed, the user can conveniently sit down by lowering the center and lift the center, standing is facilitated, the walking stick and the wheelchair are combined, the disabled people are facilitated, supporting force can be provided for the handicapped when sitting down and standing up, and the problem that the disabled people are difficult to achieve the two actions is solved.

The invention discloses a head bracket for an interventional therapy pacemaker. The head bracket has powerful functions and easy to operate, and the labor and the time are saved; firstly, a lifting mechanism is designed, so that the problems that the height of a traditional bracket is fixed and cannot be adjusted, and the traditional bracket cannot meet the requirements of patients with differenthead sizes are solved; secondly, by conveniently expanding the cooperative effect with a storage mechanism, the placement area of a framework is increased and is used for placing surgical instruments,and medical workers can conveniently fetch the surgical instruments during the operation, so that the working efficiency of the medical workers is effectively increased, the volume is reduced after the storage, the occupied space is small, and the carrying and placement of the medical workers are facilitated; and finally, by designing an air cushion supporting manner, the soft contact between thehead of a patient and the device is realized, and the supporting height of the head of the patient is conveniently adjusted so as to meet clinical requirements, so that the popularization and application of medical treatment industry are promoted.

An improved capacitive manometer, the manometer comprises: a diaphragm including (a) a common electrode and (b) an electrode structure including a center electrode and ring electrode, wherein the diaphragm is movable between (i) a zero position when the pressure on each side of the diaphragm is the same and (ii) a maximum differential position when the maximum measurable differential pressure is applied to the diaphragm, and a support structure arranged so as to support the diaphragm so that the diaphragm is constrained relative to the electrode structure, and the common electrode is spaced from and axially aligned with the center and ring electrodes relative to an alignment axis of the manometer; wherein the electrode structure is secured relative to the diaphragm at least three clamping locations angularly spaced around the alignment axis; and wherein the angle defined within each right plane containing a point of constraint of the diaphragm and the point of each clamping location relative to the plane of the diaphragm in the zero position is between 60 DEG and 90 DEG so as to reduce changes in electrode disk support height, enable smaller gaps and improved stability between the diaphragm and electrode structure. An additional improvement is provided by including a spacer ring including a plurality of tabs; and a clamp arranged to clamp the electrode structure to the spacer ring at the location of each of the tabs so as to define a plurality of equiangularly spaced, clamped locations around the alignment axis, so as to eliminate the possibility of an occasional spacer induced radial shear force and subsequent potential stick slip condition that could impact repeatability and stability.

The invention discloses a multifunctional writing desk with an adjustable lifting height. The writing desk comprises a writing desk panel and a lifting support device. The writing desk panel is arranged on the lifting support device. The writing desk is characterized in that the lifting support device comprises an upper supporting framework, bottom face supporting transverse legs and inclined supporting legs. The two sides of the upper supporting framework are provided with upper side supporting cross beams, upper sliding grooves are formed in the upper side supporting cross beams, lower sliding grooves are formed in the bottom face supporting transverse legs, the middles of the two inclined supporting legs are crossed and hinged through a pin shaft, the upper ends and the lower ends of the inclined supporting legs are provided with upper sliders and lower sliders respectively, and the inclined supporting legs are installed in the upper sliding grooves of the upper side supporting cross beams through the upper sliders and installed in the lower sliding grooves of the bottom face supporting transverse legs through the lower sliders. A length adjusting device is arranged between the two lower sliders in the lower sliding grooves.

The invention discloses an adjustable laptop support and relates to the technical field of laptop accessories. The adjustable laptop support mainly solves a series of problems caused when the laptop is horizontally placed. The adjustable laptop support comprises a base. The base is provided with a holding plate groove, and a holding plate is placed in the holding plate groove. A first rotary shaftis arranged on the holding plate, and the holding plate is rotated in the holding plate groove by means of the first rotary shaft. A support device is also arranged in the holding plate groove, and the support device comprises a support rod which is perpendicularly and fixedly connected with a fixing rod. A fixation adjustment groove is arranged in the holding plate, and the upper surface of thefixation adjustment groove is evenly provided with fixing grooves used for being matched with the fixing rod. The lower side of the holding plate is provided with a fixing rod mounting groove for installing the fixing rod. The holding plate is also provided with a supporting rod groove for swinging the support rod. The adjustable laptop support supports the laptop through the holding plate, the support device and the base.

The invention relates to a surgical traction rack for a wrist arthroscopy. The surgical traction rack for the wrist arthroscopy comprises a stand column and a traction device, wherein the traction device comprises a traction rope, a traction rope guiding wheel assembly and a traction force control mechanism, wherein a cross beam is arranged at the top end of the stand column; a fixing finger cot is arranged at the front end of the traction rope; the tail end of the traction rope is connected with a traction force control mechanism; the cross beam comprises a mounting beam and a front-back traction position adjusting beam; the mounting beam and the top end of the stand column are fixed; the front-back traction position adjusting beam slides in the length direction of the mounting beam to realize guiding fit; the front-back traction position adjusting beam is matched with a retractable driving device; the front end of the front-back traction position adjusting beam slides in the left-right direction and is matched with a left-right traction position adjusting slider; the left-right traction position adjusting slider is matched with a left-right adjusting driving device; the tractiondevice further comprises a traction force detecting sensor which is used for detecting and displaying a traction force; and a traction wheel assembly comprises a front end guide wheel and a middle guiding wheel set, the front end guide wheel is arranged on the left-right traction position adjusting slider, and the middle guiding wheel set is used for guiding the traction rope from the front end guide wheel to the traction force control mechanism. The traction position of an arm in a surgery process can be adjusted.

The invention discloses a novel single-tube support for lifting a precast beam and precast laminated slabs. The support comprises a shell, a supporting rod and a top plate. The interior of the shell is in sliding connection with the surface of the supporting rod. The bottom of the top plate is fixedly connected with the top end of the supporting rod. A first annular plate is fixedly connected to the bottom of the surface of the shell, a second annular plate is arranged at the surface of the shell and located over the first annular plate in a sliding connection mode, and the two sides of the top of the first annular plate are each movably connected with a first movable rod. The invention relates to the technical field of building construction. According to the novel single-tube support forlifting the precast beam and the precast laminated slabs, the interior of the shell is slidably connected with the surface of the supporting rod, the floor space is small during working, and the support has the advantages of being low in cost, adjustable in supporting height, stable in supporting, rapid to assemble and disassemble, convenient to transfer and store and the like; a transverse rod ismovably connected between the shell and the surface of the supporting rod, and the whole device is adjusted simply.

The invention discloses an efficient damping device applicable to a seeding machine. The efficient damping device comprises a chassis and a top plate. Movable supporting rods are arranged on the chassis. A connecting block is arranged on the inner sides of sliding grooves. Sleeve rods are arranged on the upper portions of the movable supporting rods. Connecting sliding blocks are arranged on the upper portions of the sleeve rods. The top plate is located on the connecting sliding blocks. An oil filling hole is formed in the side face of a sliding rail. An oil groove is formed in the inner sideof the sliding rail. Damping springs are arranged at the two ends in the sliding rail. A dustproof cover is arranged on the outer sides of the movable supporting rods. According to the efficient damping device applicable to the seeding machine, the movable supporting rods are arranged, waggling of the device can be transferred to the horizontal damping springs through rotating of the movable supporting rods to carry out damping, waggling of the device in the horizontal direction can be reduced effectively, meanwhile, the two movable supporting rods rotating and stretching can provide the larger supporting face for the upper portion device of the seeding machine, and supporting of the device is more stable.

The invention relates to a guitar saddle which comprises a tailpiece, a passing slider and a string mounting block. The guitar saddle is characterized in that the passing slider and the string mounting block are mounted on the tailpiece in a front-and-back direction; the passing slider is provided with a plurality of pairs of steel balls; and the steel balls in each pair abut against each other. The guitar saddle provided by the technical solution has advantages of small length, small size and small weight. Furthermore the guitar saddle can reduce string wearing and prolong service life of the string.